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April 2016 - FINAL DRAFT pw://Carollo/Documents/Client/CA/Modesto/9704A00 - WW Collection/Deliverables/App Cover Pages.docx Wastewater Treatment Master Plan APPENDIX G – BROWN AND CALDWELL WASTEWATER COLLECTION SYSTEM CONDITION ASSESSMENT REPORT FOR CITY OF MODESTO ---PAGE BREAK--- ---PAGE BREAK--- Wastewa Conditio C Fe ater Collec n Assessm Prepared f City of Mode Modesto, C ebruary 1, 2 ction Syste ment Repo for esto CA 2016 em ort ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- This is of the wor It s P Wast Cond En a draft and rk done or should not 201 North Walnut hone: 925.937 tewater dition As Pre City of Febru BC Proje gineer in R Christ CA P d is not int recommen be relied Civic Drive, Suit Creek, CA 9459 .9010, Fax: 925 Collectio ssessme epared for f Modesto, uary 1, 201 ect No. 147 Responsibl opher Pete P.E. C6966 tended to b dations ma upon; cons te 115 96 5.937.9026 on Syste ent Repo CA 6 7759 e Charge: ers 6 be a final r ade by Bro sult the fin m ort representa own and Ca nal report. tion aldwell. ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- P:\14700 Ack Brown an conductin Specifica Larry Willia Migu Jesse Pete Jim A Robe John The BC p Chris Erik Z Berna Timot Ari El Pete Gary Natio PICA 00\147759 - Modes know nd Caldwell (B ng the Waste lly, the projec y Parlin, Direc am Wong, En el Alvarez, As e Franco, Sen Kambel, Ass Alves, Associa ert Englent, W Adams, Was roject team m s Peters, Proje Zalkin, Projec adette Visita thy Banyai, P den, Project Bellows, Tec Skipper, Tec onal Plant Se Corporation, sto WW Collection Sy wledg BC) acknowle ewater Collec ct team reco ctor of Utilitie gineering Div ssociate Eng nior Engineer sociate Engin ate Engineer Wastewater C stewater Colle members inc ect Manager ct Engineer cion-Sumida Project Engine Engineer chnical Adviso chnical Adviso rvices, Collec Siphon Insp ystem\Report\Mode geme edges the va tion System gnizes the fo es vision Manag ineer, Projec r eer Collections M ections Inspe luded: r , Project Eng eer or or ction System pection ii esto WW Collection S ents luable contri Condition As ollowing perso ger t Manager anager ection Coordi gineer Inspection System Condition As butions mad ssessment Re onnel for the ination ssessment Report_ de by the City eport. eir efforts: Draft_02-01-2016.d y of Modesto docx in ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- City of Mod Tab List of Fig List of Ph List of Ta List of Ab Executive Back Meth Pipe Man Lift S Siph Reha Addit Introduct 1.1 1.2 1.3 Risk Asse 2.1 2.2 2.3 2.4 2.5 2.6 2.7 Field Inve 3.1 3.2 3.3 esto Wastewate DRAFT for review p ble of gures otographs bles breviations . e Summary kground hodology line Conditio Structural C Operationa hole Conditio Station Condi on Condition abilitation Pro tional Recom ion Backgroun Project Loc Scope of W essment and Introductio Desktop Da Inspection Proposed A Initial Inspe 2.5.1 Lik 2.5.2 Co 2.5.3 Cr Pipe Select Manhole S estigations Gravity Ma Manhole F Pipeline an 3.3.1 Ins er Collection Sys purposes only. Use o Modesto WW Col f Con n Assessmen Condition al Condition on Assessme ition Assessm n Assessment ojects and Co mmendations d cation Work Inspection P on ata Review Frequency B Approach ection Priorit kelihood of F onsequence o riticality Ratin tion election in Field Data ield Data Col nd Manhole I spection Dat stem Condition of contents on this s lection System Cond ntent nt Results ent Results ment Results t Results onstruction C s Prioritization . Benchmarkin tization Failure Rating of Failure Ra ng a Collection llection nspection an ta Assessment Re iii sheet is subject to th dition Assessment R ts s Costs g g ting nd Assessme eport he limitations specif Report_Draft_02-01 ent Data Man fied at the end of thi 1-2016.docx nagement Table of Co is document. ontents v vi vi viii ix ix ix x x xi xii xii xiii xiii xv 1-1 1-1 1-1 1-1 2-1 2-1 2-1 2-2 2-2 2-2 2-3 2-4 2-4 2-4 2-7 3-1 3-1 3-3 3-4 3-4 ---PAGE BREAK--- City of Mod P:\14700 3.4 3.5 3.6 Condition 4.1 4.2 Condition 5.1 5.2 5.3 5.4 5.5 Capital Im 6.1 6.2 6.3 esto Wastewate DRAFT for review p 00\147759 - Modes 3.3.2 Ge Siphon Ins Lift Station Quality Con 3.6.1 Fie 3.6.2 Vid n Assessment Pipeline De 4.1.1 Se 4.1.2 Pip 4.1.3 Ma Recommen 4.2.1 Re 4.2.2 Re 4.2.3 Re 4.2.4 Re 4.2.5 Re 4.2.6 O& n Assessment Gravity Ma 5.1.1 Gr 5.1.2 Gr Manhole A Priority Ass Siphon Ins 5.4.1 Sh 5.4.2 Si Woodland 5.5.1 Wo 5.5.2 Lif 5.5.3 Lif 5.5.3 Lif 5.5.4 Lif 5.5.5 Wo mprovement Introductio Formulatio Repair, Reh 6.3.1 Un Pipeline Co er Collection Sys purposes only. Use o sto WW Collection Sy eographical I pection n Inspection . ntrol and Qua eld Visits deo and Data t efects ewer Defect G peline Struct anhole Cond ndation Desc e-inspection a e-inspection t epair, Rehabi epair, Rehabi epair, Rehabi &M Recomm t Results in Assessme ravity Main S ravity Main O ssessment R sets Requirin pection and A hackelford Si phon Structu Lift Station In oodland Lift S ft Station Con ft Station Inv ft Station Con ft Station Con oodland Lift S Plan on on of Projects habilitation a nit Costs onstruction C stem Condition of contents on this s ystem\Report\Mode nformation S ality Assuranc a Review Grades tural and O&M ition Ratings criptions and Tracking to Monitor St ilitation, and ilitation, and ilitation, and endations ent Results tructural Ass Operational As Results g Immediate Assessment phon Inspect ure Inspection nspection an Station Back nditions Asse estigation Pr ndition Asses ndition Asses Station Reco s and Replacem Costs Assessment Re iv sheet is subject to th esto WW Collection S System Servic ce M Condition s g to Identify M tructural Defe Replacemen Replacemen Replacemen sessment Res ssessment R e Rehabilitatio Results tion n nd Assessme kground......... essment rocedures ssment ssment Obse ommendation ment Costs eport he limitations specif System Condition As ce Grades and Maintenance fects nt Methods fo nt Methods fo nt Prioritizatio sults Results on nt Results ervations ns fied at the end of thi ssessment Report_ Ratings Problems or Pipelines . or Manholes on Executive Su is document. Draft_02-01-2016.d mmary docx 3-5 3-5 3-6 3-7 3-7 3-7 4-1 4-1 4-1 4-3 4-4 4-4 4-4 4-5 4-5 4-7 4-8 4-8 5-1 5-1 5-1 5-6 5-7 . 5-10 . 5-11 . 5-11 . 5-14 . 5-15 . 5-15 . 5-15 . 5-16 . 5-18 . 5-19 . 5-21 6-1 6-1 6-1 6-4 6-4 6-4 ---PAGE BREAK--- City of Mod P:\14700 6.4 Additiona 7.1 7.2 Limitation Referenc Appendix Appendix Appendix Appendix Appendix Appendix Appendix Appendix Appendix List of Figure ES Figure ES Figure ES Figure ES Figure ES Figure 1-1 Figure 2-1 Figure 2-2 Figure 3-1 Figure 3-2 Figure 5-1 Figure 5-2 Figure 5-3 Figure 5-5 Figure 6-1 esto Wastewate DRAFT for review p 00\147759 - Modes 6.3.2 To Prioritizatio 6.4.1 Ca al Recommen Additional Manhole R ns es A: Project Pi B: Panoram C: Manhole D: Pipeline a E: Structura F: Operation G: PICA Sha H: Lift Statio I: Capital Im f Figures S-1. Condition S-2. Pipeline S S-3. Pipeline O S-4. Manhole S-5. CIP Proje 1. Project Inv 1. Pipe Critic 2. Investigati 1. PipeLogix 2. PipeLogix® 1. Gravity Ma 2. Pipeline O 3. Manhole C 5. Shackelfor 1. Likelihood er Collection Sys purposes only. Use o sto WW Collection Sy otal Capital C on of Repairs apital Improv ndations Pipeline Insp Rehabilitation pes and Man o and CCTV P Inspection F and Manhole l Assessmen nal Assessme ckelford Siph on Inspection provement P s n Assessmen Structural Co Operational C Condition Ra ect Locations vestigation Ar ality Ratings on Areas ® CCTV Surv ® CCTV Surve ain Structura perational Co Condition Rat rd Siphon Pla of Failure Ov stem Condition of contents on this s ystem\Report\Mode osts s and Rehabi ement Plan . pections n/Replaceme nholes Pipe Inspecti orms and Ph e Assessment t Maps ent Maps hon Report n Forms Project Descr nt Project Met ondition Grad Condition Gra ating Distribu reas vey Inspectio ey Inspection l Condition G ondition Grad ting Distribut an and Profile verview Assessment Re v sheet is subject to th esto WW Collection S litation ent on Reports hotographs t Summary riptions thodology de Distributio ade Distribut ution n Screen: 36 n: Unfolded V Grade Distribu de Distributio tion e eport he limitations specif System Condition As on tion 60 Viewer View ution on fied at the end of thi ssessment Report_ Executive Su is document. Draft_02-01-2016.d mmary docx 6-5 6-5 6-6 7-1 7-1 7-1 8-1 9-1 A-1 B-1 D-1 E-1 F-1 G-1 H-1 I-1 x xi xi xii xvi 1-3 2-8 2-9 3-1 3-2 5-1 5-6 5-7 . 5-13 6-3 ---PAGE BREAK--- City of Mod P:\14700 List of Photogra Photogra Photogra Photogra Photogra Reinf Photogra Corro Photogra Reinf Photogra Visibl Photogra Roots Photogra Aggre Photogra Photogra Photogra Missi Photogra Photogra Photogra Photogra Photogra Photogra Photogra Photogra Photogra Photogra Photogra esto Wastewate DRAFT for review p 00\147759 - Modes f Photog ph 3-1. PICA ph 3-2. PICA ph 3-3. PICA ph 3-4. PICA ph 5-1. Reac orcement wit ph 5-2. Reac oded Reinforc ph 5-3. Reac orcement Co ph 5-4. Reac e ph 5-5. Reac s through Bar ph 5-6. SSM egate ph 5-7. SSM ph 5-8. SSHM ph 5-9. SSM ng ph 5-10. SSM ph 5-11. Woo ph 5-12. Woo ph 5-13. Woo ph 5-14. Woo ph 5-15. Woo ph 5-16. Woo ph 5-17. Woo ph 5-18. Woo ph 5-19. Woo ph 5-20. Woo er Collection Sys purposes only. Use o sto WW Collection Sy graphs Cleaning Pig Gauge Tool . SeeSnake To SeeSnake To ch SSMH 060 th Missing W ch SSMH060 cement ch SSMH250 orroded ch SSMH280 ch SSMH190 rrel H32030912 H32030909 M21030904 H27030905 MH2703090 odland Lift St odland Lift St odland Lift St odland Lift St odland Lift St odland Lift St odland Lift St odland Lift St odland Lift St odland Lift St stem Condition of contents on this s ystem\Report\Mode gs ool ool Deployme 04091603B Wall 04091603B t 03080304 to 03090810 to 03091002 to 19: Heavy W 907: Missing 405: Walls sp 503: Adjacent 0503: Heavy tation Influen tation Wet W tation Wemc tation Discha tation Pump tation Pump tation Sump tation MCC – tation 150 k tation Odor C Assessment Re vi sheet is subject to th esto WW Collection S ent to SSMH 060 to SSMH060 SSMH2503 SSMH2803 SSMH1903 Wall Deteriora brick with vo palling with re t Pipe View w Deterioration nt Gate – Lea Well – Corrode co Style Pump arge Piping – Discharge M Removal Eq Pump – Only – Outdated a W Generator Control Fans . eport he limitations specif System Condition As 04091603C 04091603C ( 080301 (Em 090811 (Sa 091003 (Em ation with Pro oid visible einforcement with Aggregat n of Adjacent aking Gate ed Walls and ps – Check Valve Manifold uipment y One Pump nd Located i r – Only sized fied at the end of thi ssessment Report_ C (Sutter Trun (Sutter Trunk merald South nta Rosa Tru merald North ojecting and t visible te Project and t Pipe Wall d Stairs e Located in n a Potentia d for Three P Executive Su is document. Draft_02-01-2016.d nk): Corroded Visible and Tributary): unk): Hole Vo West Tributa Missing d Possibly the Vertical l Flood Area . umps mmary docx 3-5 3-5 3-6 3-6 d 5-2 d 5-3 5-3 oid 5-4 ary): 5-4 5-8 5-8 5-8 . 5-14 . 5-14 . 5-23 . 5-23 . 5-23 . 5-23 . 5-24 . 5-24 . 5-24 . 5-24 . 5-25 . 5-25 ---PAGE BREAK--- City of Mod P:\14700 List of Table ES- Table 2-1 Table 2-2 Table 4-1 Table 2-3 Table 4-1 Table 4-2 Table 4-3 Table 4-4 Table 4-5 Table 5-1 Table 5-2 Table 5-3 Table 5-4 Table 5-5 Table 5-6 Table 5-7 Table 6-1 Table 6-2 Table 6-3 Table 6-3 Table 7-1 esto Wastewate DRAFT for review p 00\147759 - Modes f Tables Summary 1. Priority Bas 2. City-Inspect 1. Inspection 3. Siphon Stru 1. Sewer Defe 2. Structural C 3. O&M Cond 4. Manhole Co 5. Structural C 1. Structural S 2. Reaches Re 3. Severe Rat 4. Manholes N 5. Structural S 6. Siphon Stru 7. Condition A 1. Unit Costs . 2. Pipeline Co 3. Estimate M 3. Summary o 1. Additional M er Collection Sys purposes only. Use o sto WW Collection Sy s of Sewer Re sed on Critica ted Trunk Se Areas uctures ect Descriptio Condition Gra ition Grade Im ondition Rati Condition Gra Severe Rated equiring Clea ted Manholes Not Accessed Severe Rated uctures Assessment R onstruction U Markups of Sewer Reh Manholes for stem Condition of contents on this s ystem\Report\Mode ehabilitation C ality Rating ewers from 20 ons ade Implicati mplications ings and Imp ades and Re- d Pipes aning for Full s d or Found d Pipes Results for W nit Costs abilitation Co r Rehabilitati Assessment Re vii sheet is subject to th esto WW Collection S Costs 010 to 2014 ons plications -inspection In Inspection Woodland Lift osts on eport he limitations specif System Condition As 4 ntervals t Station fied at the end of thi ssessment Report_ Executive Su is document. Draft_02-01-2016.d mmary docx xiv 2-3 2-5 2-5 2-7 4-2 4-3 4-3 4-4 4-5 5-4 5-7 5-9 . 5-10 . 5-10 . 5-14 . 5-21 6-4 6-4 6-5 6-6 7-1 ---PAGE BREAK--- City of Mod List of 3D ACP ASCE BC Cal/OSHA Caltrans CCTV CIP CIPP City CIWQS CMMS COF CR DSMH DVD DVS ft FWSP H2S In HD JPEG LF LOF MACP MH mm NASSCO PACP PDF PICA QA/QC esto Wastewate DRAFT for review p f Abbrev three-dimensi asbestos cem American Soc Brown and Ca California Divi and Health California Dep Closed Circuit Capital Improv Cured-in-Place City of Modest California Inte Computerized System consequence criticality ratin m Digital Versati Digital Video S feet Fieldwork Safe Hydrogen Sulf inches high definition Joint Photogra Linear Feet likelihood of fa Manhole Asse Program manhole millimeters National Asso Companies Pipeline Asses Program Portable Docu Pipeline Inspe Corporation Quality Assura er Collection Sys purposes only. Use o Modesto WW Col viations onal ment pipe iety of Civil Eng aldwell sion of Occupa partment of Tra t Television vement Progra e Piping to ( egrated Water Q d Maintenance of failure ng manhole le Disc Survey ety Plan fide n (as in digital i aphic Experts G ailure essment and Ce ciation of Sewe ssment and Ce ument Format ection & Condit ance/Quality Co stem Condition of contents on this s lection System Cond gineers ational Safety ansportation m Quality System Monitoring mage) Group Format ertification er Service ertification tion Analysis ontrol Assessment Re viii sheet is subject to th dition Assessment R RCCP RCP ROW SAPT SSO SWR USEP USM VCP WER WWT eport he limitations specif Report_Draft_02-01 P reinforce reinforce W rights-of TP Sutter A Sanitary CB State W PA U.S. Env H upstrea vitrified F Water E TP Wastew fied at the end of thi 1-2016.docx ed concrete cy ed concrete pi f-way Avenue Primary y Sewer Overflo Water Resources vironmental Pro m manhole clay pipe Environment Re water Treatmen Table of Co is document. ylinder pipe pe y Treatment Pla ows s Control Board otection Agenc esearch Founda t Plant ontents ant d cy ation ---PAGE BREAK--- Exe This proje manhole unlined re and findin pipeline a Backg As with m system de modern s concrete rehabilita As a resu update its City to ev years. It w deteriorat Metho A selectio for inspec Woodland inspectio DRAFT for review p ecutiv ect provides t conditions in einforced con ngs of the inv and manhole ground many older co eterioration. standards. M pipe that is s ation projects lt of these on s 2005 colle aluate the cu will also be th ted portions odology on of 210 ma ction. Additio d Lift Station n and condit purposes only. Use o Modesto WW Col ve Su the City of M n the collectio ncrete pipe ( vestigation a e assets. ollection syste Portions of t uch of the la susceptible t s to address d ngoing issues ction system urrent system he basis to de of the collect anholes and 2 onally, the Cit to inspect as ion assessm of contents on this s lection System Cond umm odesto (City) on system by RCP) reaches nd provides ems, the City he collection rge diameter o H2S induce deterioration s, the City ha condition as m condition a evelop a cap tion system. 25,000 linea ty selected 36 s part of this ent methodo ix sheet is subject to th dition Assessment R mary with an und y inspecting a s and manho recommenda y has experie n system are r trunk sewer ed corrosion. n on several t as taken a pro ssessment. T and quantify s pital improvem ar feet (LF) of 60 LF of the s project. The ology is prese he limitations specif Report_Draft_02-01 erstanding o and assessin oles. This rep ations for rep nced a numb more than 1 r system is c The City has trunk sewers oactive asse This updated system deter ment program f unlined RCP Shackelford e wastewater ented below. fied at the end of thi 1-2016.docx of current pip ng a represen port documen pair and reha ber of issues 100 years old onstructed o s completed o s. t manageme assessment rioration over m (CIP) to reh P gravity mai Siphon and collection sy is document. peline and ntative numb nts procedure abilitation of s related to d and do not of unlined or is undergo ent approach t will allow th r the past 10 habilitate sev ns were sele the No. 39 ystem project ber of es meet oing to e 0 verely ected t ---PAGE BREAK--- City of Mod P:\14700 Pipelin Pipeline s pipelines could not Structur Figure ES Structura visible, pr 23 perce immediat corrosive esto Wastewate DRAFT for review p 00\147759 - Modes ne Condit structural and on the origin t be complete ral Conditio S-2 presents t l defects ide rojecting or m nt (19 reache te-attention r sewer enviro er Collection Sys purposes only. Use o sto WW Collection Sy Figure ES- tion Asse d operationa nal inspection ed, other pipe n the distributi ntified includ missing. Pipe es) in poor co reaches were onment. stem Condition of contents on this s ystem\Report\Mode Condition A essment l condition a n list were no elines were i on of structu de unlined RC line reaches ondition or re e due to unlin Assessment Re x sheet is subject to th esto WW Collection S Assessment P Results ssessment re ot complete d nspected as ural condition CP with reinfo assessed we equiring imm ned RCP corr eport he limitations specif System Condition As Project Method esults are pr due to debris directed by t n grades for p orcement vis ere primarily mediate atten rosion resulti fied at the end of thi ssessment Report_ dology resented belo s or high wate the City. pipeline reac sible/projecti in moderate ntion. The poo ng from expo Executive Su is document. Draft_02-01-2016.d ow. A few of t er level. If the ches assesse ing and aggre e condition w or and osure to the mmary docx the ey ed. egate ith ---PAGE BREAK--- City of Mod P:\14700 Operatio Figure ES Operation operation reaches) that affec 23% (19 reache (8 esto Wastewate DRAFT for review p 00\147759 - Modes onal Condit S-3 presents t nal defects fo nal condition in moderate cted the insp es) 10% 8 reaches) 2% (2 reac er Collection Sys purposes only. Use o sto WW Collection Sy Figure ES-2. tion the distributi ound include with only ap and poor co ection of the Figure ES-3. P 14% (11reaches) 14% (11 reac % ches) stem Condition of contents on this s ystem\Report\Mode Pipeline Stru on of operat d minor roots proximately t ndition, resp e pipeline wer Pipeline Opera % ches) Assessment Re xi sheet is subject to th esto WW Collection S ctural Conditi ional conditio s and debris ten percent ( pectively. Pipe re not cleane ational Condit eport he limitations specif System Condition As on Grade Dist on grades fo . Pipeline rea eight reache elines with a ed as part of tion Grade Dis 21 (17 rea 42% (34 rea fied at the end of thi ssessment Report_ tribution r pipeline rea aches are ge es) and 2 per ny significant this investiga stribution 1% aches) % ches) 74% (60 reach Executive Su is document. Draft_02-01-2016.d aches assess nerally in goo cent (two t level of deb ation. Mild Moderate Severe Incomplete hes) Mild Moderat Severe Incomple mmary docx sed. od bris e ete ---PAGE BREAK--- City of Mod P:\14700 Manho Inspectio to access The resul Defects fo generally (55 manh designate for repair Lift Sta BC comp the condi review of recomme The c part o Repa isolat conce Repla integ Repla The s outag Provi fans of co 25 (55 man esto Wastewate DRAFT for review p 00\147759 - Modes ole Cond ns were atte s issues or we ting conditio ound include in fair condit holes) in fair ed for immed r or rehabilita ation Con leted a cond tion assessm past reports endations are corroded con of this condit air the concre tion gate cou erns. ace the fiberg grity of the sta ace the MCCs standby gene ge. de a “fresh-a with exhaust rrosion in the 5% nholes) (16 m er Collection Sys purposes only. Use o sto WW Collection Sy ition Ass mpted on a t ere not found n rating distr e settled depo tion with 63 condition, an diate attentio ation within 5 Figure E ndition A ition assessm ment, discuss s, the followin e provided in crete in the w tion assessm ete around th uld not be ins glass stairs i airs. s and consid erator size sh air” supply ve ts fans that c e wet well. 7% manholes) stem Condition of contents on this s ystem\Report\Mode essment total of 219 m d. At total of ributions for t osits and deb percent (138 nd 7 percent on based on t 5 years. ES-4. Manhole Assessme ment of the W sions with op ng major imp Section 5-3. wet well shou ment because he frame or re spected as pa nto the wet w der moving th hould be incre entilation into can provide a 5% (10 manhol Assessment Re xii sheet is subject to th esto WW Collection S t Results manholes. Te 209 manhole these 219 m bris, spalling 8 manholes) (16 manhole their structur e Condition Ra ent Resul Woodland Lift peration and rovements a uld be repair e of safety co eplace the le art of this con well. Current he MCCs to a eased to ope o the wet wel at least 20 ai es) eport he limitations specif System Condition As en manholes es were insp manholes are g, and severe in good or ex es) in poor co ral condition ating Distribut lts t Station. Bas maintenance are recomme ed. The wet w oncerns. eaking isolati ndition asses access is lim n above grad erate all five p ll and replace r exchanges fied at the end of thi ssessment Report_ s could not be pected, coded presented in corrosion. M xcellent cond ondition. Two and 14 were tion sed on the o e staff from t nded. Additio well could no on gate for t ssment beca mited due to t de location. pumps durin e the existing per hour to r 83% (138 manhole Executive Su is document. Draft_02-01-2016.d e inspected d d, and assess n Figure ES-4 Manholes are dition, 25 per o manholes w e recommend bservations f the City and onal ot be inspecte he wet well. T ause of safety the comprom g a power g exhaust fou reduce the le es) Mild Moderate Severe Incomplete mmary docx due sed. 4. e rcent were ded from ed as The y mised ul air evel e ---PAGE BREAK--- City of Mod P:\14700 Repla meet Cons shoot The s pump the s comp The w pump confi stand Siphon BC and P inspectio linear fee Tuolumne Dryden Pa obstructio clear the be fully co The inspe very likely approxim was subm remained Based on that the p conveyan 3+50 to S and allow Station 2 Rehab A ten-yea pipeline r neighbori larger reh criticality of rehabil years. Th Level Level Level esto Wastewate DRAFT for review p 00\147759 - Modes ace the 2,00 t future peak ider adding a ting pump pe suction and d ping capacity uction and d pleted to mee wet well does p service life. guration sho dards where n Conditi ipeline Inspe n of the Shac et (LF) of the e River (River ark Golf Cou ons were enc obstructions ompleted. ections concl y to have bee ately 10 perc merged within d. n the inspecti pipeline has n nce, renewal Station 3+28 w additional in +90. bilitation r rehabilitatio reaches and ing reaches’ habilitation p rating, locati litation to ass he four priorit l A – Repair/ l B –Repair/r l C – Repair/ er Collection Sys purposes only. Use o sto WW Collection Sy 0 and 3,500 wet well flow a flow meter erformance. discharge pip y and pump s ischarge pip et Hydraulic I s not meet Hy . When a maj uld be review feasible. on Asses ection & Cond ckelford Siph siphon was i Inspection rse, because countered. M s; however, th uded that ar en subjected cent of the p n the first 60 ons, conditio not held its in of the pipelin 8.9. Addition nspection, co Projects on or replace manholes an likelihood of rojects. Proj ions and pote sist in prioriti ty levels are a rehabilitation rehabilitation /rehabilitation stem Condition of contents on this s ystem\Report\Mode 0 gpm pump p w requiremen to the pump ping do not m service life. W ing configura Institute stan ydraulic Insti jor rehabilita wed and imp ssment R dition Analys hon during th nspected fro n was not atte e access was Multiple unsuc he obstructio eas above th to corrosive ipe wall of th 0 LF of inspec on assessme ntegrity. If th ne via rehabi ally, the pipe ondition asse and Con ement CIP wa nd pole came failure and c ects were the ential for cos izing and dev as follows: n recommend n recommend n recommen Assessment Re xiii sheet is subject to th esto WW Collection S per the Colle nts. station. The meet Hydrauli When a major ation should ndards where tute standar ation occurs a rovements co Results is Corporatio e week of No om the siphon empted from not granted ccessful atte ons could not he invert elev environment he steel cylind ction, approx ent and analy he pipeline w litation, repa eline will requ essment, and nstruction as developed era data. Sinc consequence en refined ba st savings. La veloping a sc ded for comp ded for comp ded for comp eport he limitations specif System Condition As ection System flow meter c ic Institute st r rehabilitatio be reviewed e feasible. rds. This can at the lift stat ompleted to on (PICA) perf ovember 16, n inlet manh m the western at this locat empts were m t be cleared a vation of the ts, including der remained imately 99 p ysis performe will be reinsta air or replace uire cleaning d analysis of n Costs d utilizing stru ce limited as e of failure ra ased on the t astly, these p chedule for re pletion as so pletion within pletion within fied at the end of thi ssessment Report_ m Master Plan can provide i tandards. Thi on occurs at and improve affect pump tion, the wet meet Hydrau formed the p 2015. Appr ole on the ea n bank of the ion. At 60 LF made by PICA and the inspe siphon outle H2S gases s d. In areas w percent of the ed, it has bee ted for waste ment is need g to remove th the pipeline uctural Grade ssessment da atings were u type of rehab projects were ehabilitation on as possib n three years. n three to five Executive Su is document. Draft_02-01-2016.d n schedule to nput into tro is can affect the lift statio ements ing capacity well ulic Institute physical pipel roximately 60 astern bank o e River, within F, impassable A and the City ection could et (EL 51.50) ince where the pip e pipe wall en determine ewater ded from Sta he obstructio e 4 and 5 ata was avail utilized to form bilitation, e assigned a over the nex ble. . e years. mmary docx o uble on, and line 0 of the n the e y to not were pe ed tion on(s) m of lable, m level xt ten ---PAGE BREAK--- City of Mod P:\14700 Level These pro are displa Project No. A-1 S S A-2 S S S S A-3 S S B-1 SS SS B-2 SS SS C-1 SS SS C-2 SS SS C-3 SS SS esto Wastewate DRAFT for review p 00\147759 - Modes l D – Repair/ ojects and th ayed in Figure Project (Start Manhole SSMH270309011 SSMH330309070 SSMH060409160 SSMH050409130 SSMH080409010 SSMH050409130 SSMH190309100 SSMH190309152 MH0804091201 MH0504091202 MH2503080105 MH3003090712 MH2503080107 MH0604091604 MH2903091315 MH2903091310 MH2903090905 MH2903091416 er Collection Sys purposes only. Use o sto WW Collection Sy /rehabilitatio eir associate e ES-5. Table Segment to End Manhole 5- 04 03 to 06 03 to 07 02 to 1 to to to to to stem Condition of contents on this s ystem\Report\Mode n recommen ed costs are l e ES-1. Summary e)1 Recommen Method Repair CIPP CIPP CIPP CIPP Sliplining/C Sliplining CIPP CIPP CIPP Assessment Re xiv sheet is subject to th esto WW Collection S ded for comp located in Ta y of Sewer Reha nded of r Pipe Sizes (in) 16 - 30 24 - 33 18 SUB-T 30 CIPP3 18 - 54 SUB-T or 54 - 60 18 27 SUB-T eport he limitations specif System Condition As pletion within able ES-1. The abilitation Costs Trunk(s) or Tributaries Santa Rosa Rose/Celeste Sutter South Emerald Northwest TOTAL OF PRO Crows Landing South West Emerald South TOTAL OF PRO West Sutter Downtown TOTAL OF PRO fied at the end of thi ssessment Report_ n five to ten y e locations o s Total Length (ft) 8,815 2,210 2,955 OJECT COSTS = 5,621 7,503 $ OJECT COSTS = $ 24,882 $ 374 3,288 OJECT COSTS = $ Executive Su is document. Draft_02-01-2016.d years. of these proje Capital Costs $5,564,000 $1,518,000 $1,566,000 $8,648,000 $3,813,000 $4,354,000 (Sliplining/CIP $4,446,000 (CIPP $8,167,000 (Sliplining/CIP $8,279,000 (CIPP $18,122,000 (Sliplining Onl $26,373,000 (CIP $379,000 $2,062,000 $20,563,000 (Sliplining/CIP $28,814,000 (CIP mmary docx ects s2 0 0 0 0 0 0 PP) P Only) 0 PP) P Only) 0 ly) P Only) 0 0 PP) P Only) ---PAGE BREAK--- City of Mod P:\14700 Project No. D-1 SS SS D-2 SS SS Notes: 1See Figure E 2Costs are fo 3Sliplining re of sliplining a Additio During th are not a City staff. Pipel clean segm and n Inacc found Pipel shou Manh repla emer City c esto Wastewate DRAFT for review p 00\147759 - Modes Project (Start Manhole MH3303090129 MH3303090618 MH1703091315 MH1703091316 ES-6 for extents o or planning purpos ehabilitation meth and CIPP or CIPP onal Rec e investigatio priority relat . lines requirin ning to allow ments by City needs for per cessible Man d or were ina lines to be in ld be further hole Rehabil cement that rgency repair consider insp er Collection Sys purposes only. Use o sto WW Collection Sy Table Segment to End Manhole to to of project. ses only and were ods considered fo only. ommend on there wer tive to the reh ng cleaning a the pipe insp Maintenance riodic mainte nholes and M accessible du nspected und explored and itation/Repla are currently r projects. Th pecting other stem Condition of contents on this s ystem\Report\Mode e ES-1. Summary e)1 Recommen Method Repair CIPP CIPP TOTAL e developed base or all pipe diamet dations e some addit habilitation p and debris re pection to be e Crews shou enance. The Manholes Not ue to their loc der other prog d inspected. acements. T y not grouped ese manhole manholes in Assessment Re xv sheet is subject to th esto WW Collection S y of Sewer Reha nded of r Pipe Sizes (in) 21 – 27 30 SUB-T L 10-YEAR CAPITA ed rehabilitation p ters 36 inches or tional concer projects ident moval. There completed. uld be condu pipe segmen t Found. Ther cation. The m grams. Ther The pipeline here are five d into a Capi es are listed i n the vicinity o eport he limitations specif System Condition As abilitation Costs Trunk(s) or Tributaries Downtown Emerald Northeast TOTAL OF PRO AL IMPROVEMENT projects construct larger. Project co rns that shou tified above, e were eight Future inves ucted to moni nts are listed re were ten m manholes are re are severa es are detaile e manholes th tal Improvem in Table 7-2. of the damag fied at the end of thi ssessment Report_ s Total Length (ft) 1,799 110 OJECT COSTS = T PLAN COST = $ ted within the pas osts were calculat uld be addres but should b pipe segmen stigation and itor potential d in Table 5-2 manholes tha listed in Tab al unlined RC ed in Section hat require re ment Project We also rec ged manhole Executive Su is document. Draft_02-01-2016.d Capital Costs $1,508,000 $320,000 $1,828,000 $39,206,000 (Sliplining/CIP $47,569,000 (CIP st five years. ted with a combin ssed. These be addressed nts that requ cleaning of t l re-accumula 2. at could not b ble 5-4. P reaches th n 7. ehabilitation or current Ci ommend tha es. mmary docx s2 0 0 0 PP) P Only) nation items d by ired these ation be at or ty at the ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- DRY CREEK TUOLUMNE RIVER MILNES RD OAKDALE RD MC HENRY AVE W WHITMORE AVE LANGWORTH RD COFFEE RD CALIFORNIA AVE MAZE BLV DAKOTA AVE TULLY RD PARADISE RD CLAUS RD ROSELLE AVE WELLSFORD RD CARVER RD BLUE GUM AVE AMERICAN AVE STODDARD RD LANGWORTH RD BECKWITH RD SHOEMAKE AVE NORTH AVE WOODLAND AVE FINNEY RD PARKER RD Figure ES-1. Capital Improvement Project Overview CITY OF MODESTO WW COLLECTION SYSTEM INVENTORY AND CONDITION ASSESSMENT STUDY q 0 5,000 10,000 2,500 Scale in Feet Path: C:\Users\bvisitacion\Documents\Modesto Condition Assessment\GIS\Modesto_ProjectInspections_LOF_11x17.mxd LEGEND: DRAFT CONDITION ASSESSMENT REPORT Project Areas Capital Projects Pipes Non-Project Trunk Sewers Major Roads Railroad Canal Service Layer Credits: City of Modesto 2 Capital Improvement Project No. Project D-2 Project A-3 Project B-2 Project C-1 Project C-2 Project C-3 Project D-1 Project A-1 Project B-1 Project A-2 ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- P:\14700 Sectio Intr The purpo collection projects t 1.1 B The City o associate wastewat primary a Portions o large diam corrosion system in all large d investigat equal to 1 The 2005 reinspect identified reinspect were not Additiona Station (W update to SeeSnake of the ups condition 1.2 P The overa manholes boundarie respectiv 1.3 S The purpo siphons a needs for DRAFT for review p 00\147759 - Modes on 1 roduc ose of this pr n pipeline, ma that may be r Backgrou owns and ope ed manholes ter generated and secondar of the City’s c meter trunk s . The City co n 2005 and a diameter, unl te and asses 16 inches in 5 condition a tion in the fut d by the 2005 tion. This proj previous inve ally, the City r Woodland LS o an inspectio e Technology stream and d of the sipho Project Lo all project are s are primari es, respectiv ely, within th Scope of ose of this in and lift statio r the City. The purposes only. Use o sto WW Collection Sy ction roject is to in anhole, sipho required to p und erates over 6 and junction d in the colle ry wastewate collection sys sewer system mpleted a co additional stu lined RCP tru ss the conditi diameter. ssessment s ture. This pro 5 study that h ject also incl estigated in p requested BC ) and the sip on completed y (Section 3-4 ons at each e ocation ea and major ly located be ely, and Stod e City of Mod Work vestigation is n; and recom e project sco of contents on this s ystem\Report\Mode n vestigate a r on, and lift st roperly main 600 miles of n structures. ction system er treatment f stem are mo m are compris ondition asse udies in 2009 unk sewers. T on of approx study identifie oject provides have not bee udes the ins previous stud C to perform a phons within t d in 2005. Th The rema siphon struc nd. r trunk sewer etween Sylvan ddard Road a desto. s to identify t mmend future pe included t 1-1 sheet is subject to th esto WW Collection S epresentativ tation conditi tain the oper gravity and p The City also service area facilities for t re than 100 y sed of unline essment stud 9 and 2014; The City retai ximately 25,0 ed several se s an update t en rehabilitat pection of la dies. a mechanica their system. he Shackelfo ining siphons ctures provide rs are shown n Ave and Wh and Langwort the current c e rehabilitatio the following he limitations specif System Condition As ve sample of ions; and to ration of thes pressure colle o has approx a is conveyed treatment an years old and ed RCP that is dy of the large however, the ned Brown a 000 LF of unl egments requ to the condit ed or were re rge diameter al inspection . The Woodla ord siphon wa s were not in ed some pre n on Figure 1- hitmore Ave th Road at th conditions wit on, replacem g tasks: fied at the end of thi ssessment Report_ the current w identify main se facilities. ection system ximately 40 li d to the Sutte nd disposal. d a significan s susceptible e diameter tr e studies did and Caldwell lined RCP sew uiring rehabi tion of high p ecommended r, unlined RC of the No. 39 and LS was in as inspected nspected; how liminary info The proje at the North he West and thin the pipe ment and re-in is document. Draft_02-01-2016.d wastewater ntenance or r m pipes and ift stations. T er and Jennin nt amount of e to H2S indu runk sewer not encomp (BC) to wers greater litation or priority sewer d for CP sewers tha 9 Woodland nspected as using PICA wever, inspec rmation on th ct pipelines a and South East bounda lines, manho nvestigation docx repair The ngs f the uced pass r or rs at Lift an ction he and aries, oles, ---PAGE BREAK--- City of Mod P:\14700 Revie the s Risk infras inspe diam Field LF of ident of sip Cond cond Reco rehab Capit cost e rehab Cond proje esto Wastewate 00\147759 - Modes ew Existing In ystem with h Assessment structure by d ections for th eter sewers. Investigatio sewer pipeli tification of d phon pipe an dition Assess itions were a ommendation bilitation wer tal Improvem estimates, an bilitation, or r dition Assess ect. er Collection Sys sto WW Collection Sy nformation. R historic maint and Inspect determining is project an ns. Field inve nes and 210 efects. Field d mechanica ment. Based assessed usin ns. Recomm re made base ment Projects nd a propose replacement ment Report stem Condition ystem\Report\Mode Review back tenance and tion Prioritiza the asset’s c d recommen estigations in 0 manholes t d investigatio al inspection d on identified ng observed mendations fo ed on the con s. BC develop ed implemen within the n t. This report Assessment Re 1-2 esto WW Collection S ground data structural iss ation. Identify criticality. Ass nd long-term ncluded CCTV o collect data ons also inclu of the Wood d defects, pi defects or maintenan ndition asses ped Capital Im tation sched ext ten years was prepare eport System Condition As provided by sues. y critical was set criticality inspection in V investigatio a pertaining uded PICA Se land LS. pe, manhole nce, re-invest ssment. mprovement ule for all as s. ed to summa ssessment Report_ the City to id stewater colle was used to ntervals for th ons of approx to their cond eeSnake insp , siphon and tigation, repa t Projects (CIP ssets requirin arize the findi Sec Draft_02-01-2016.d dentify areas ection system prioritize he City’s large ximately 25,0 dition and pection of 36 lift station air or planning l ng repair, ings of the ction 1 docx of m e 000 0 LF level ---PAGE BREAK--- #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #7 #I #I #I #I E M E R A L D E M E R A L D S C E N I C S C E N I C T H O U S A N D T H O U S A N D O A K S O A K S W O O D L A N D W O O D L A N D DRY CREEK TUOLUMNE RIVER MILNES RD OAKDALE RD MC HENRY AVE W WHITMORE AVE LANGWORTH RD COFFEE RD CALIFORNIA AVE MAZE BLV DAKOTA AVE TULLY RD PARADISE RD CLAUS RD ROSELLE AVE WELLSFORD RD CARVER RD BLUE GUM AVE AMERICAN AVE STODDARD RD LANGWORTH RD BECKWITH RD SHOEMAKE AVE NORTH AVE WOODLAND AVE FINNEY RD PARKER RD C O S T C O C O S T C O S E V E N S E V E N F A L L S F A L L S N E W N E W B R I G H T O N B R I G H T O N C I R C L E C I R C L E T H O U S A N D T H O U S A N D O A K S O A K S T R A S K & T R A S K & E N C I N A E N C I N A T O R R I D & T O R R I D & D I A B L O D I A B L O R O S E & R O S E & C E L E S T E C E L E S T E P E P S I P E P S I N O R T H G A T E N O R T H G A T E H A H N H A H N E V E R G R E E N E V E R G R E E N & G A Y & G A Y C L A Y T O N & C L A Y T O N & N M A R T I N N M A R T I N C A R V E R C A R V E R & S C O T T & S C O T T AT H E N S AT H E N S F L E U R D E F L E U R D E V I L L E V I L L E H O L I D A Y H O L I D A Y E X P R E S S E X P R E S S C H E Y E N N E / D U T C H O L L O W C H E Y E N N E / D U T C H O L L O W P H O E N I X & P H O E N I X & E D G E B R O O K E D G E B R O O K M A R K M A R K R A N D Y R A N D Y O R A N G E B U R G O R A N G E B U R G PA R K PA R K C O D O N I C O D O N I B E N S O N B E N S O N B E A R D B R O O K B E A R D B R O O K L A L O M A L A L O M A & M O R T O N & M O R T O N E L T E R I N O E L T E R I N O & F A I R M O N T & F A I R M O N T C O L L E G E & C O L L E G E & O R A N G E B U R G O R A N G E B U R G C O L D W E L L C O L D W E L L & N O L I V E & N O L I V E R U M B L E R U M B L E 1 0 0 0 1 0 0 0 O A K S A U X O A K S A U X T R E A T M E N T T R E A T M E N T P L A N T P L A N T C E N T R E C E N T R E P L A Z A P L A Z A N O R T H N O R T H C A L I F O R N I A C A L I F O R N I A T. R . R . P T. R . R . P M A Z E & M A Z E & S P E N C E R S P E N C E R L A L O M A L A L O M A J E F F E R S O N J E F F E R S O N C O F F E E & C O F F E E & C L A R A T I N A C L A R A T I N A M O D E S T O M O D E S T O C O M M E R C E C O M M E R C E P U B L I C P U B L I C S A F E T Y S A F E T Y C E N T E R C E N T E R M U R I E L M U R I E L T U L L Y & T U L L Y & D A V I S D A V I S C A R V E R & C A R V E R & S T A N D I F O R D S T A N D I F O R D F A I R V I E W F A I R V I E W Figure 1-1. Study Area and Trunk Sewers CITY OF MODESTO WW COLLECTION SYSTEM INVENTORY AND CONDITION ASSESSMENT STUDY q 0 5,000 10,000 2,500 Scale in Feet Path: P:\147000\147759 - Modesto WW Collection System\GIS\Modesto_Trunk_11x17.mxd LEGEND: DRAFT CONDITION ASSESSMENT REPORT Study Area Trunk Sewers CANNERY SEGREGATION CERES EMERALD LAKEWOOD NORTH RIVER ROSE/CELESTE RUMBLE SANTA ROSA SONOMA SOUTH SUTTER WEST #I Major Lift Station #7 Lift Stations Major Roads Railroad River/Creek Canal Service Layer Credits: City of Modesto ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- P:\14700 Sectio Ris Prio 2.1 In It is the C system to agencies compone varying in (likelihoo each of th effective. As part of gravity se for re-insp sewers to critical loc selected This secti during thi inspectio 2.2 D BC review Curre Sanit Califo Summ Segre Previ 2 2 2 2 1 00\147759 - Modes on 2 k Ass oritiz ntroducti City’s goal to d o support its approach th ents sew nspection freq d and conseq hese program f this project, ewers (greate pection is inc o inspect as p cation within using a risk-b ion discusses is project. Ins n intervals. Desktop D wed the follow ent City Sewe tary Sewer Ov ornia Integrat mary inspect egation Trunk ous Reports 2007 Wastew 2005 Collect 2011 Hydrog 2009 West T 1994 Manho sto WW Collection Sy sess zation ion develop a mo CIP. System e task system wer basin or a quencies for quence of fa ms so the City , BC will be in er than or equ cluded in the part of this p the system. based approa s BCs approa spection prio Data Rev wing data so er GIS layers verflows (SSO ted Water Qu tion results a k (not includi and Studies water Collect ion System C gen Sulfide Re runk Conditio le Inspection ystem\Report\Mode ment n ore proactive -wide inspec matically by r atlas map pag different par ilure). It is th y’s plan is ris nspecting up ual to 16 inc total of 25,0 roject based The remaini ach. ach for rankin oritization will view urces provide Os) as docum uality System nd defect ma ing review of ion System M Condition Ass eport on Assessme n Results 2-1 esto WW Collection S t and e, system-wid tion program regularly insp ge). Other ag rts of the sys e intention o sk-based, wh to a total of hes) within th 000 lf. The Ci on known op ng 10,583 lf ng, prioritizin l also facilitat ed by the City mented in the m CIW aps of curren f CCTV video) Master Plan sessment ent System Condition As d Ins de inspection ms can take a pecting their gencies use r stem depend of this plan to ile remaining 25,000 linea he City’s syst ity has select perational an f of gravity se ng and select te the develo y and obtaine e State Wate WQS) nt Sutter Trun ) ssessment Report_ pect n approach of a variety of fo system in log risk-based ap ing on an ass o incorporate g systematic ar feet (lf) of tem. An allow ted 11,917 l nd maintenan ewers for insp ting sewers to opment of lon ed from othe er Resources nk, River Trun Draft_02-01-2016.d tion f their collect orms. Some gical geograp pproaches, w set’s criticali e the benefits and cost- large diamet wance of 2,50 f of gravity nce issues a pections wer o be inspecte ng-term er sources: Control Boar nk, and Cann docx tion phic with ty s of ter 00 lf nd re ed rd nery ---PAGE BREAK--- City of Mod P:\14700 2.3 In CCTV insp system gr Environm System M optimized survey of performa collection behind cl The ASCE widely thr while mos Another r Systems, assessme relatively this exam and its co entitled “ decision m In genera identify a CCTV prog due to the ten years frequency 2.4 P The propo frequency on each t criticality identified project, B condition This appr leveragin informatio 2.5 In In order t rating (CR conseque The risk a a series o esto Wastewate 00\147759 - Modes nspection pection is a c ravity pipes. mental Protec Maintenance d approach fo 42 wastewa nce paramet n system insp eaning, pum E/USEPA repo roughout the st agencies h recent USEPA ” discusses a ent. The rep simple matr mple, inspecti onsequence o Developmen making proce al, a ten-year, nd address s gram in place eir likelihood . For this rea y of each col Proposed osed approac y is two-fold. trunk sewer p rating were i d and prioritiz BC recommen (likelihood o roach relies o g available a on provided nitial Ins o develop the The CR is ence of failur assessment p of LOFs and a er Collection Sys sto WW Collection Sy n Freque common tech In 1999, the tion Agency ( Frequencies or collection ater agencies ters. In this re pection tool, a p station ser ort survey dis e country, with had inspecte A White Pape a risk-based ort summariz ix approach t ion frequenc of failure. A 2 nt of a Tool to ess. , system-wide structural or o e. As experie d or conseque ason, a risk-b lection syste Approac ch to develop The initial in pipe reach (m inspected firs zed using the nds a new ins of failure) and on the conce attribute data by the City. pection P e prioritized calculated b re (COF) ratin process utiliz a COF for eac stem Condition ystem\Report\Mode ency Benc hnology used American So (USEPA) prod s and System system main s on various w eport, CCTV i and the fourt rvice and ma scussed abov h some agen d less than h er entitled “Co decision-mak zes a numbe to establish v ies range fro 2004 Water o Prioritize Se e inspection operational p ence dictates ence of failur ased approa m pipe. ch p the City’s sy spection prio manhole to m st as a part o e pipe critical spection prio d the impacts pts establish a within the C Prioritiza inspection pr y multiplying ng: CR = (LOF zes existing a ch pipe. Each Assessment Re 2-2 esto WW Collection S chmarkin for condition ociety of Civil duced a repo Performanc ntenance. Thi wastewater c inspection wa th most impo inline rehabi ve identified ncies inspect half of their s ondition Asse king process er of models a varying inspe m two to 25 Environment ewer Inspecti program is s problems for , some pipes re. For some ach is conside ystem-wide l ority was dev manhole) in th of this project ity ratings fo ority and sche s if the pipe w hed in the US City’s existing tion rogram, each g the pipe’s li F) x (COF). Th attribute data h pipe’s final eport System Condition As ng n assessmen l Engineers (A ort entitled “O whose go is report incl collection ma as identified ortant operat litation. that CCTV in ing their enti systems in the essment of W es that can b and tools ava ection freque years depen t Research Fo ions” also su ufficient for i utilities that s may require pipes, the fr ered appropr arge diamete veloped by pe he City’s serv t. Additional r more efficie edule be esta were to fail (c SEPA and WE g GIS and CM h pipe was as kelihood of f is section de a from the Cit LOF and COF ssessment Report_ nt of wastewa ASCE) and th Optimization oal was to de uded the res aintenance pr as the most tion and main nspection freq ire system ev e previous 2 Wastewater C be used to pr ailable, one o encies based nding on the a oundation (W upports the ri inspecting al t already have e more frequ requency may riate to ident er trunk sewe erforming a r vice area. Pip trunk sewers ent inspectio ablished bas consequence RF documen MMS, and oth ssigned an o failure (LOF) escribes that ty’s GIS and F rating will b Sec Draft_02-01-2016.d ater collectio he U.S. of Collection evelop an sults of a nati ractices and t important ntenance act quencies var very five year 0 years. Collection rioritize cond of which is a on asset risk asset’s cond WERF) study sk-based l gravity pipe e an investig ent inspectio y be longer t tify the inspec er inspection isk assessme pes with a hig s can be ons. Following ed on each p e of failure). nts, while er relevant verall critical rating by its procedure. CMMS to ass be determine ction 2 docx on ional tivity ry rs, dition k. In ition es to gative on han ction n ent gh g this pipe’s lity sign ed ---PAGE BREAK--- City of Mod P:\14700 using the Pipes tha and will b and their priority is Trunk sew pipes tha 2.5.1 L Each of th or 5. The non-RCP Therefore Age and M pipe. Unl corroded 5 = U 3 = U 1 = L Crown Su througho acid corro typically h therefore 5 = < 3 = B 1 = G Peak H2S select ma released surfaces greater th producing 5 = 2 esto Wastewate 00\147759 - Modes highest LOF at have a criti be inspected inspection w summarized wers will be p t compose th ikelihood o he three ratin e peak value materials do eam of Major e, lined RCP a Material Rat lined RCP is s with age. Ag Unlined RCP i Unlined RCP i Lined RCP an urface pH Ra ut the collect osion. New p have a pH of , Crown Surfa Pipe ng g ble ting ded s 10 - 2 25 - 5 >50 Insignifica <50 >50 eport System Condition As nce the majo cts included s described in rrel, L for lateral, C criptions Defect Size/ - Not visibly o Visibly op Not visibly o Visibly op Not visibly o Visibly op Not visibly o Visibly op < 5 percent of pip cent - 10 percent >10 percent of pip - - - - 25 percent Pipe D 50 percent Pipe D 0 percent Pipe Dia ant Amount of Pip 0 percent Pipe Dia 0 percent Pipe Dia ssessment Report_ ority of pipelin surface dam subsequent C for Connection, /Extent open. en. open. en. open. en. open. en. pe diameter of pipe diameter pe diameter iameter Blocked Diameter Blocked ameter Blocked pe Diameter Block ameter Blocked ameter Blocked Sec Draft_02-01-2016.d nes inspected age (corrosio sections. and J for Joint. Defect G 4 - 5 4 - 5 2 2 - 3 2 - 3 3 - 4 3 4 - 5 2 - 3 4 - 5 3 4 5 4 - 5 4 - 5 1 - 2 2 - 3 2 - 5 3 2 3 3 4 4 5 5 5 1 - 2 2 - 5 2 - 3 3 - 4 4 - 5 ked 1 - 2 3 – 4 4 - 5 ction 4 docx d as on) rade 4 ---PAGE BREAK--- City of Mod P:\14700 4.1.2 P All CCTV a provided important previous on the de Finally, th deteriorat and is ba is importa condition Structura condition condense O&M con ratings fa preventat on the co before th Co G esto Wastewate 00\147759 - Modes Pipeline Stru and inspectio for defects w t because th or future inve efect types ob he Condition tion of these sed on inspe ant to note th s change an al condition g , while Grade es the five gra Condition Grade 1 2 3 4 5 ndition grade acilitate ident tive measure onditions at th e inspections ondition Grade Cond Rat 1 Mi 2 3 Mode 4 Sev 5 er Collection Sys sto WW Collection Sy uctural and on data colle with NASSCO ey help estab estigations. T bserved, and Rating is bas pipes. This p ection data, G hat assessme d additional grades and ra e 1 represent ades into thr Table Condition Rating Mild M D Moderate M Severe S D s and ratings tification of n es (root treatm he time of ins s, the inspec Ta dition ting ld No O&M d up/down Typically r percent o erate Typically r percent a vere Typically r percent a Typically r 30 percen inspectio stem Condition ystem\Report\Mode d O&M Cond cted during t PACP scores blish current The overall co is typically e sed on the co procedure is GIS data, oth ent ratings a inspection da atings are de ts a sewer in ree levels for e 4-2. Structura Minor defects. Defects that have n Moderate defects t evere defects that Defects requiring a s are display needed maint ment). It is im spection and tions cannot ble 4-3. O&M C defects found; Ver ) that do not affec roots, obstacles, d of pipe cross-sectio roots, obstacles, d and 20 percent of p roots, obstacles, d and 30 percent of p roots, obstacles, d nt of pipe cross-se n. Assessment Re 4-3 esto WW Collection S dition Grad the field activ s of three, fou conditions w ondition grad equal to the w ondition grad the basis of er available i re dynamic a ata becomes etailed in Tab n good condit use in devel l Condition Grad Defect not begun to deter that will continue t t will become Grad ttention soon. ed in Table 4 tenance activ mportant to n d are subject t determine t Condition Grade Defect rmin (roaches, no ct operation observ deposits, and intru onal area. deposits, and intru pipe cross-section deposits, and intru pipe cross-section deposits, and intru ectional area. Obje eport System Condition As es and Rat vities were re ur, and five. T within the pip de applied to worst corrosi de and the po the condition information a and are subje s available. ble 4-2. Grade tion. The ove loping rehab de Implications Description riorate. to deteriorate. de 5 defects within 4-3. Moderate vities such a note that O& to change. he need for f Implications t Description rats) and construc ved. uding sealing rings uding sealing rings nal area. uding sealing rings nal area. uding sealing rings ects in pipe preven ssessment Report_ tings eviewed. Spe The coding o pe that can be o each pipelin on grade for otential for fu n assessmen and engineer ect to change e 5 represen rall Condition ilitation reco s n the foreseeable e and severe s cleaning an &M ratings ar If pipes were future cleani ction features (line s observed that ar s observed that ar s observed that ar s observed that ar nted completion o Sec Draft_02-01-2016.d ecial attention of defects is e compared ne reach is ba RCP reaches urther nt of each as ring judgmen e as pipe nts the worst n Rating mmendation future. e O&M condit nd implemen e assigned b e recently clea ng. e left/right or re less than 10 re between 10 re between 20 re greater than of full ction 4 docx n was to ased s. set, nt. It ns. tion nting based aned ---PAGE BREAK--- City of Mod P:\14700 4.1.3 M Condition inspectio pan up at and hamm o’clock po the surfac reasonab condition scratch a Table 4-4 assigned condition steps of d Conditio Mi Mode Sev 4.2 R Descriptio give the C 4.2.1 R In order t defects, s defect oc maintena defects. W even freq one meth esto Wastewate 00\147759 - Modes Manhole Co n data on the ns at CCTV c t the end of p mer test at th osition indica ce manhole i ble sample fro , and supple nd hammer t 4 presents the to manholes assessment defect coding on Rating ild No de Incre Soun Ham erate Surfa Mode Mode Ham op vere Surfa Seve Seve Seve Ham (s ecomme ons of the str City a genera Re-inspectio o determine such as roots ccurrence ma ance cle Ways to track quent re-inspe hod to determ er Collection Sys sto WW Collection Sy ndition Rat manholes w amera insert pipeline inspe he three o’clo ates the posit inspections w om surface in ment this inf tests. e manhole st s. Note that s t jumps straig g and assigni Table 4- efects or minor de eased surface roug nd surface or mino mer rebounds and ace spalling corros erate defects that erate scratch (less mer does not read pposed to a hard s ace aggregate proj re defects that wil re defects requirin re scratch (greate mer test not perfo surface is obviousl endation ructural and l idea of the on and Trac O&M and ma s, grease, and ay be determ aning and ro k O&M proble ections to mo mine the freq stem Condition ystem\Report\Mode tings were collected tion points an ections. Man ock, nine o’c tion of the ou was not to ins nspection to formation wit tructural Con since individu ght from insp ing an overal Manhole Co Defect Desc efects observed. ghness of manhole or scratch (less tha d insignificant inde sion and/or expos will continue to d s than 1/2 inch) re dily rebound during surface and easily jecting or missing ll become Grade 5 ng attention soon. r than 1/2 inch) o ormed for safety re ly deteriorated inc Descript O&M recomm impacts of a cking to Ide aintenance p d sags be tra ined. Once th oot treatment ems include onitor mainte uency of occ Assessment Re 4-4 esto WW Collection S d using non-e nd views from nholes inspec lock, and ele utgoing pipe) spect every p allow charac th CCTV and ndition Rating ual defect gra pection to Co l condition g ndition Ratings cription/Example e interior observed an 1/8 inch) result entation is made d sed aggregate obs eteriorate. esulting from scrat g hammer test. St y makes an indenta g observed. 5 defects within th or indentation resu asons due to adva cluding aggregate tions mendations a ddressing th ntify Maint problems, we acked such th he frequency t) can be esta logging pipe enance prob currence may eport System Condition As entry inspect m the pipelin cted from the even o’clock ) below the m part of every cterization of Polecam cam g system. O& ades were no ondition Ratin grade. s and Implicatio es d. ting from scratch t during hammer tes served. tch test. trike sounds dulled tation in the surfac e foreseeable futu ulting from scratch anced degree of co or material missin are provided e problems i tenance Pro e suggest tha hat the frequ y of occurrenc ablished to m blockages/s lems. If O&M y be to double ssessment Report_ tions includin e using the C e surface und manhole pos manhole rim. manhole, bu f the overall m mera inspect &M condition ot recorded, m ng without th ons Co test. st. Re-A d as ce. Re- ure. h test. orrosion ng). d in the follow identified. oblems at the pipes w uency of prob ce is found, s mitigate the i stoppages, od M re-inspectio e the time be Sec Draft_02-01-2016.d ng surface CCTV camera derwent a sc sitions (the s The objectiv ut to obtain a manhole tion data and ratings were manhole e intermedia ondition Implicat Assess within 10 y -Assess within 5 ye Rehabilitate soon wing sections with known O blematic O&M scheduled mpacts of th dor complain ons are empl etween re- ction 4 docx a to ratch ix ve of a d e not ate tion years. ears. n. s to O&M M ese nts, or oyed, ---PAGE BREAK--- City of Mod P:\14700 inspectio is found. establish removed the type a The prese they can further de laterals, a blockages usually co offer othe 4.2.2 R This proje however, criticality. to monito structura industry s Pipes tha exhibit ch rated pipe pipes are assigned condition reaches a NASSCO Condition Grade 1 - 2 3 4 - 5 4.2.3 R Based on manhole sliplining, described esto Wastewate 00\147759 - Modes ns if no O&M Once freque ed to mitigat during clean and amount o ence of roots lead to struc eteriorate an and pipe join s. It is difficu ompleted on er ways to pla Re-inspectio ect helps esta the inspectio . Since the st or their trunk l defects. BC standard and at have no or haracteristics es, more freq e recommend based on th grade reach are in fairly g n Condition Rating Minor Moderate Severe Repair, Reha n the types of rehabilitatio , 3) open cut d below. er Collection Sys sto WW Collection Sy M defect is fou ncy of occurr te the impact ning cycles. T of debris rem s may be the tural damage y structural d ts. Roots ma lt to determi a two to thre an scheduled on to Monito ablish a base ons only inclu tructural con sewer system C recommend d BC’s profes minor defect s that put the quent inspec ded for repair e resulting st hes require re ood conditio Table 4-5. Str n Minor Defec e Moderate d Severe defe foreseeable abilitation, f severe struc n or replacem , and 3) pipe stem Condition ystem\Report\Mode und and halv rence is foun ts of these de he frequency moved. most destruc e to the pipe defects withi ay also cause ne the rate o ee year cycle d maintenanc or Structura eline of the s uded a repre dition of pipe m for new str ds that a ten-y ssional knowl ts do not req em at risk for tion is warra r, rehabilitatio tructural grad e-inspections n and may be ructural Conditi Defect cts; Defects that h efects that will co ects that will becom e future; Defects re and Replac ctural defects ment are reco e bursting. Th Assessment Re 4-5 esto WW Collection S ving the time nd, scheduled efects. Anoth y of cleaning ctive O&M de line and prov n the pipe. R e debris and g of root growth . Otherwise, ce for root tre al Defects tructural con esentative sa elines is dyna ructural defe year re-inspe edge and ex quire frequen failure. Inst nted to moni on, or replac des/ratings a s sooner, whi e re-inspecte ion Grades and t Description ave not begun to d ntinue to deteriora me Grade 5 defect equiring attention cement Me s identified, t ommended: hese rehabilit eport System Condition As between re- d maintenanc her method is may be incre efect found i vide a means Roots may en grease accum h; therefore, re-inspectio eatment. ndition of the mple of pipe amic, it is imp ects or the de ection cycle b xperience. t inspection tead, we reco itor defects t cement. Re-in as shown in T le lower stru ed further int Re-inspection I deteriorate ate ts within the soon. ethods for P the following 1) Cured-in-P tation and re ssessment Report_ -inspections ce or cleanin s to monitor t eased or dec n a sewer sys s for infiltrati ter cracks in mulation that root treatme ns or trackin e City’s trunk elines based perative that eterioration o be implemen as they curre ommend that that may wor nspection inte Table 4-5. Hi ctural condit to the future. Intervals Re-Inspect Within ten year Within five year Repair, rehabil Pipelines g methods of Place Piping eplacement m Sec Draft_02-01-2016.d if an O&M de ng routines ca the debris creased base stem becaus on which ma the pipe, t may cause ent (foaming) g complaints sewer system on the pipes t the City con of current ted based on ently do not t for moderat rsen. Severe ervals were gher structu tion grade tion/Repair Inte rs. rs. itate, or replace s manhole-to- (CIPP), 2) methods are ction 4 docx efect an be ed on se ay pipe is s may m; ’ tinue n te rated ral rval oon. ---PAGE BREAK--- City of Mod P:\14700 4.2.3.1 Trenchles for reache consist of CIPP (Ma into the s resin. The exfiltratio compose polyester to accom be design Full bypas required f be cleane Sliplining installed corrosion deteriorat pipeline w With the s pit. The s insertion fusion we processes slipliner p Insertion extend do pipe wou reinforced After the is filled w prevent d cross-sec 4.2.3.2 Replacem with a ne that preve pipeline is pipeline is Dig and R open tren be jack a Pipe Burs pipe. Pipe esto Wastewate 00\147759 - Modes Rehabilitatio ss rehabilitat es of pipe tha f CIPP or slip anhole-to-Ma sewer, filling t e resulting ca on, and root i d of layers of , vinylester, o modate sma ned to be pro ssing of flow for several d ed of debris, g. Sliplining is using the con resistant ma tion. The slip where neede sectional pip lipliner pipe s pit and push elded togethe s work best w pipe while it i pits are requ own to about ld be remove d concrete ca slipliner pipe with grout to a damaging the ctional area a Replacemen ment entails c w pipe. Repla ent rehabilita s very short a s replaced w Replace. A re nch excavatio nd bore or tu sting. Pipe b e bursting is er Collection Sys sto WW Collection Sy on tion is a popu at have cont lining metho nhole). The C the liner with ast-in-place p ntrusion; and f polyester fe or epoxy resin all deformatio ovide full stru is necessary ays for each but the walls s the process ntinuous or s aterial, and p pliner pipe ca d. pe slipliner m sections are hed into place er into a cont when some w s being inser uired to place t the spring li ed. The pits w ap is constru e is in place, t anchor the sl e slipliner pip and hydraulic nt constructing acement is ty ation by othe and replacem with a new pip eplacement p on. However, unneling. The ursting is a t similar to the stem Condition ystem\Report\Mode ular alternativ inuous struct ds CIPP process h steam or wa pipe forms a p d it also prov elt or woven f ns immediate ons and align uctural rehab y to install an liner insertio s do not requ s of inserting sectional pipe provides long an also be spe ethod, sliplin typically join e. In the cont tinuous lengt wastewater re rted. e the slipliner ne of the inte would need to ucted over the the annular s ipliner pipe. T pe or leaking c capacity of t a new pipe a ypically used er means, the ment is the ea peline along t pipeline or pi crossing of r e replacemen renchless me e sliplining re Assessment Re 4-6 esto WW Collection S ve to dig-and tural defects s involves ins ater, and the permanent b ides added s fiberglass fab ely before ins nment or diam ilitation if the nd cure the lin on. During thi uire significan a new pipe w e method. Th g-term protec ecified to pro ner pipe is pla ed together tinuous slipli th of pipe bef emains in the r pipe into th erceptor and o be 20 to 30 e pipeline to space betwe The grouting grout into th the pipeline. along a paral when the ex e pipeline nee asiest rehab the same alig ipe segment railroad track nt pipe mater ethod of inst ehabilitation eport System Condition As d-replace met s. Manhole-to serting a flex en heating the barrier that p structural stre bric that are s stallation. Th meter change e integrity of ner. Continuo is period, the nt cleaning. within an exis he slipliner pi ction of the ex ovide additio aced into the using gasket ner method, fore inserting e interceptor e intercepto d the top half 0 ft long. Afte prevent over en the existi g process mus e existing pip lel alignment xisting pipelin eds to be rea ilitation meth gnment, flow would be ins ks or storm d rial should be talling a new method, exce ssessment Report_ thods and is o-manhole re ible, resin-im e steam or w revents corro ength. The lin saturated wit he lining may es in the sew the pipe is c ous bypassin e pipeline inv sting pipe an ipe is manufa xisting pipe f nal structura e existing pip ts or mechan the pipe is ty g into the sew r to provide f r. The inserti f of the existi er the slipline rloading the ng pipe and t st be careful pe. Sliplining t or replacing ne has hydra aligned, or th hod to apply. w bypassing is stalled prima drain culverts e resistant to pipe in place ept an expan Sec Draft_02-01-2016.d frequently us habilitation m mpregnated li water to cure osion, infiltra ner is typical th thermoset y be manufac wer. The liner ompromised ng is typically vert would ne nd can be actured of from addition al capacity to pe via an inse nical joints at ypically butt- wer. These lotation of th ons pits wou ng intercepto er is inserted slipliner. the slipliner ly performed g reduces the g the existing aulic constrai e existing If the existin s required. arily by traditi s would need o corrosion. e of the exist nder head is ction 4 docx sed may ner the ation, ly tting ctured r can d. y eed to nal the ertion t the he uld or d, a pipe d to e g pipe nts ng onal to ing used ---PAGE BREAK--- City of Mod P:\14700 at the beg of the sam bursting i the old an in capacit 4.2.4 R The follow 2) manho methods 4.2.4.1 Manhole where the rehabilita adjustme The City w crews. 4.2.4.2 If active s comprom potential removing is rebuilt applied o 4.2.4.3 There are replace p existing m Dig and R rehabilita cases, it i and safet esto Wastewate 00\147759 - Modes ginning of the me size as or s typically pu nd new pipes ty is not acce Repair, Reha wing methods ole rehabilita are describe Point Repair point repairs ere are defec ation or repla ent rings, reb will likely be a Manhole Re surface corro mised, manho for further co g soft, corrode utilizing grou ver the unde Manhole Re e two method provides a wh manhole. Replace. In s ated with the is better to re ty risks to the er Collection Sys sto WW Collection Sy e new pipe to r larg ulled into the s. Pipe bursti eptable. abilitation, s of repair an tion, 3) dig a ed below. rs s are recomm cts on a limite cement. The uilding and/o able to addre habilitation osion is occur ole rehabilitat orrosion by c ed material t ut or mortar u erlayment. placement ds for manho hole new man some cases, installation o emove and re e public. stem Condition ystem\Report\Mode o break or bu er than the e place of the ng is used w and Replac nd rehabilitat nd replace, a mended wher ed number o y include a v or resurfacin ess the major rring within th tion may be u coating or lini through sand underlaymen ole replaceme nhole, while m the manhole of a corrosion eplace the de Assessment Re 4-7 esto WW Collection S urst the old p existing pipe. e existing pipe hen the pipe cement Me tion are reco and 4) manh re defects are of manhole co variety of repa g the bench rity of these r he manhole a used to resur ng. Manhole dblasting dow t and a corro ent: 1) dig an manhole inse e is structura n-resistant co efective man eport System Condition As pipe to make Also, pipe th e, which leav eline requires ethods for M mmended fo ole inserts. T e found in ge omponents t airs, such as or channel, a repairs by ut and the man rface the ma e preparation wn to sound m osion-resistan nd replace an erts provide a lly compromi oating system nhole to elimi ssessment Report_ room for the hat is installe ves no annula s upsizing or Manholes or manholes: These repair enerally soun that do not w patching ga and installing ilizing their m nhole is not st anhole interio is typically a material. The nt coating or nd 2) manho a new manho ised and can m or CIPM lin inate potenti Sec Draft_02-01-2016.d e new pipe th ed using pipe ar space betw when reduct 1) point repa and rehabilit nd manholes warrant full ps in the g inside drop maintenance tructurally or and elimin accomplished e interior surf material is le inserts. Dig ole within the nnot be ner. In these al for collaps ction 4 docx hat is e ween tion airs, tation or s. ate d by face g and e se ---PAGE BREAK--- City of Mod P:\14700 Manhole inserts th are typica procedure washing t rebuilding between installed installatio bench are manhole 4.2.5 R Criticality conseque is discuss benefit fr criticality prioritizat 4.2.6 O TyPICAl O These rec 4.2.6.1 Foreign m removed More tha debris. If Heavy cle the stand Pipelines at a faste but does 4.2.6.2 Root trea treatmen winches) treatmen may still g cut ends. Contact h the whole A commo both kills or at sele method, r esto Wastewate 00\147759 - Modes Inserts. Man hat are corros ally designed es include cu the inside of g and/or reha the insert an when dig and on of manhol ea which may is red Repair, Reha ratings were ences of failu sed in detail om investing was conside tion. O&M Recom O&M recomm commendatio General Clea materials, deb from pipeline n one cleanin several clean eaning is defi dard water jet where sags er rate due to not complete Root Treatm tment can be t involves the that are spe t provide imm grow back sin Chemical m herbicides on e plant. on chemical r the roots an ect spots. Tre root treatme er Collection Sys sto WW Collection Sy nhole inserts sion resistant to withstand utting the asp the manhole abilitating th nd existing m d replace cos le inserts stil y not be mor duced with p abilitation, e assigned to ure. Criticality in Section 2. g rehabilitatio ered in the re mmendation endations in ons are desc aning bris, grease, es using an i ng pass with ning passes ined as clean tter is not su are identified o the low poin ely eliminate ment e achieved th e use of mac cifically desig mediate remo nce damaged ethods involv nly kill the pa root treatmen d inhibits roo ated roots ar nt is likely ne stem Condition ystem\Report\Mode s consist of fi t and can be d HS-20 traff phalt, excava e, placing the e bench area anhole walls sts exceed th l requires exc re cost effect lacement of and Replac o each pipelin y was perform Experience on and repair epair, rehabili ns volve genera cribed briefly and accumu ndustry stan the water jet cannot remo ning activities fficient. d may requir nt in the pipe the problem hrough mech chines d gned to cut, s oval and are d roots tend ve the applic rts exposed t nt is the appl ot growth. Th re killed with eeded every t Assessment Re 4-8 esto WW Collection S berglass-rein installed wit ic loading. Ty ating, and rem e manhole ins a, installing t s with grout. I he costs for m cavation of t tive than dig a the manhole cement Pri ne reach to id med as part o has shown th r resources in itation, and r al cleaning, ro below. lated sedime dard, high-pr tter may be n ove the debris s requiring us e frequent cl e. Cleaning m m. hanical or che drilling mach scrape, or pu useful in rem grow back th cation of a co to the herbic ication of Me he foam may in hours of a three years ( eport System Condition As nforced, poly thin an existi ypical manho moving the e sert inside th he insert and n some case manhole inse he existing c and replace e insert. oritization dentify sewer of the prioriti hat the City w n the most cr replacement oot treatmen ents may be ressure wate needed to re s, then heavy se of a speci leaning as th may also be us emical metho ines, rodding ull roots. Mec moving large hicker and fo ontact herbic ide and syste etam-Sodium be applied th application. T University of ssessment Report_ ester or poly ng manhole. ole insert inst xisting manh he manhole b d filling the a es, manhole i ert installatio one and reha methods. Th rs with high l zation of ins will receive th ritical sewers recommend nt, and greas dislodged, co er jetter and V move the ac y cleaning m alized head o hey tend to ac sed to remov ods. Mechan g machines, j chanical mea blockages; h rm a protect ide or a syste emic herbicid m and Dichlob hroughout th Through the u California – Sec Draft_02-01-2016.d mer manhole These insert tallation hole cone, po barrel to cut t annular space inserts may b n. However, abilitation of he diameter o ikelihood an pection effor he greatest s. Therefore, ations and e mitigation. ollected, and Vactor truck. cumulated ay be needed or attachmen ccumulate de ve some root nical root jetters, or ans of root however, roo ive barrier at emic herbicid des typically benil foam th he entire pipe use of this Davis, 1996 ction 4 docx e ts ower to fit, e be the of the d rt and the d d. nt if ebris ts, ts t the de. kill hat eline ---PAGE BREAK--- City of Mod P:\14700 4.2.6.3 If grease but ident The City c particular devices (e grease ac esto Wastewate 00\147759 - Modes Grease Mitig accumulatio ifying and eli currently has r area, the Ci e.g., grease t ccumulation er Collection Sys sto WW Collection Sy gation n is a freque minating the a grease ed ty may need traps and inte in the sewer stem Condition ystem\Report\Mode ent problem i e source of th ucation prog to revisit the erceptors) an system. Assessment Re 4-9 esto WW Collection S n select sewe he problem is gram in place ese areas to nd/or to educ eport System Condition As er pipelines, s often a mor e. If grease ac identify resta cate neighbo ssessment Report_ frequent cle re effective lo ccumulation aurants witho orhoods abou Sec Draft_02-01-2016.d eaning may h ong-term solu is seen in a out grease co ut ways to red ction 4 docx elp, ution. ontrol duce ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- P:\14700 Sectio Con The cond summariz 5.1 G The follow assessed 5.1.1 G Figure 5-1 project sy the corres defects fo and aggre condition and imme corrosive 23% (19 reache DRAFT for review p 00\147759 - Modes on 5 nditio ition assessm zed in the fol Gravity M wing section d during this p Gravity Main 1 illustrates t ystem. The pe sponding gra ound include egate visible, with 23 perc ediate-attent sewer enviro es) purposes only. Use o sto WW Collection Sy on As ment results llowing sectio ain Asse summarizes project. n Structural the distributi ercentages o ade divided b e unlined rein , projecting o cent (19 reac tion reaches onment. Figure 5-1. Gr 14% (11reaches) of contents on this s ystem\Report\Mode ssess of the gravity ons. essment R structural an l Assessme on of pipe re of each grade by the total nu nforced concr or missing. Pi ches) in poor were due to ravity Main Str 5-1 sheet is subject to th esto WW Collection S smen y main, manh Results nd operationa ent Results eaches by str e are based o umber of tru rete pipe (RC peline reach r condition or unlined RCP ructural Condi he limitations specif System Condition As nt Re holes, siphon al grade dist ructural cond on the numbe nk sewer rea CP) with reinf hes assessed r requiring im corrosion re ition Grade Di (17 42 (34 re fied at the end of thi ssessment Report_ esult n, and lift sta tributions for dition grades er of reaches aches (1,240 forcement vis d were primar mmediate atte esulting from stribution 21% reaches) 2% aches) is document. Draft_02-01-2016.d s ation are pipelines for the entire s with a defe Structural sible/projecti rily in modera ention. The p exposure to Mild Moderate Severe Incomplete docx e ct of ing ate poor the ---PAGE BREAK--- City of Mod P:\14700 5.1.1.1 Examples included sample o spot repa undergo C Photogra Photogra occurred (Photogra Within thi has not b esto Wastewate DRAFT for review p 00\147759 - Modes Structural G s of structura corroded, mi f these defec aired; howeve CIPP rehabili phs 5-1 to 5- ph 5-1 shows in an isolate aph 5-2). Pho is reach, muc begun to show Pho er Collection Sys purposes only. Use o sto WW Collection Sy rade 5 Reac al Grade 5 de issing and pr cts is display er, we genera tation to prev -3 display var s reinforcem d area with v otograph 5-3 ch of the con w. These pipe otograph 5-1. R (Sutter Trun stem Condition of contents on this s ystem\Report\Mode hes efects are hig rotruding rein ed in Photog ally recomme vent further d rious exampl ent corroded visible and co shows anoth ncrete is dete es are recom Reach SSMH 0 nk): Corroded Assessment Re 5-2 sheet is subject to th esto WW Collection S ghlighted belo nforcement; m graphs 5-1 to end that RCP deterioration les of visible, d and missing orroded reinf her example eriorating or m mmended for [PHONE REDACTED] Reinforceme eport he limitations specif System Condition As ow. Grade 5 missing porti 5-5. Some o reaches with n. , corroded, a g with some forcement in of visible and missing abov immediate r 3B to SSMH 06 nt with Missin fied at the end of thi ssessment Report_ structural de ions of wall; a of the worst h such advan nd missing re missing wall. the remaind d corroded re ve the flow lin rehabilitation 604091603C ng Wall Sec is document. Draft_02-01-2016.d efects in RCP and holes. A defects may nced corrosio einforcemen . This missing der of the pip einforcement ne. However, n. ction 5 docx P be on t. g wall pe t. , soil ---PAGE BREAK--- City of Mod P:\14700 Photogra to SSMH2 indicative by BC in t that appe outward f the concr immediat esto Wastewate DRAFT for review p 00\147759 - Modes Pho Ph phs 5-4 and [PHONE REDACTED] e of severely the past in se ear to be grow from a joint, rete’s structu te repair/reh er Collection Sys purposes only. Use o sto WW Collection Sy otograph 5-2. (Sutter T hotograph 5-3 (Emeral 5-5 are exam 1, a hole with corrosive env everely corro wing through but through t ural integrity h abilitation. stem Condition of contents on this s ystem\Report\Mode Reach SSMH0 Trunk): Visible 3. Reach SSMH ld South Tribu mples additio h a void visib vironments w ded unlined, the barrel of the concrete has been com Assessment Re 5-3 sheet is subject to th esto WW Collection S [PHONE REDACTED] e and Corrode H250308030 tary): Reinforc onal severe d ble was obser was found. Th RCP. Photog f the pipe. Th . If the roots mpromised. T eport he limitations specif System Condition As 3B to SSMH06 ed Reinforcem 04 to SSMH25 cement Corro defects. Withi rved. In addit his filamento graph 5-5 inc he roots do n are indeed g These pipes fied at the end of thi ssessment Report_ 604091603C ment 503080301 ded in Reach SSM tion, filament ous growth ha cludes a phot not appear to growing throu were also re Sec is document. Draft_02-01-2016.d MH2803090 tous growth as been obse tograph of ro o originate ugh the conc commended ction 5 docx 0810 erved oots rete, d for ---PAGE BREAK--- City of Mod P:\14700 Assessme assessme summary during ou esto Wastewate DRAFT for review p 00\147759 - Modes Ph Ph ents and reco ent ratings fo y with line ass ur investigatio er Collection Sys purposes only. Use o sto WW Collection Sy hotograph 5-4 ( hotograph 5-5 (Emerald ommendatio or all reaches sessment an on. stem Condition of contents on this s ystem\Report\Mode 4. Reach SSMH (Santa Rosa T 5. Reach SSMH d North West T ons for all pro s are displaye d recommen Assessment Re 5-4 sheet is subject to th esto WW Collection S H280309081 Trunk): Hole Vo H190309100 Tributary): Roo oject reaches ed graphicall ndations for a eport he limitations specif System Condition As 10 to SSMH28 oid Visible 02 to SSMH19 ots through Ba s can be foun ly in Appendi all structural fied at the end of thi ssessment Report_ 803090811 903091003 arrel nd in Append x E. Table 5- severe-rated Sec is document. Draft_02-01-2016.d ix D. Structu -1 presents a d reaches fou ction 5 docx ural a und ---PAGE BREAK--- City of Mod P:\14700 R SSMH050 SSMH050 SSMH060 SSMH050 SSMH060 SSMH050 SSMH170 SSMH170 SSMH190 SSMH190 SSMH250 SSMH250 SSMH280 SSMH280 SSMH280 SSMH280 SSMH290 SSMH290 SSMH290 SSMH290 SSMH290 SSMH290 SSMH300 SSMH300 SSMH300 SSMH300 SSMH330 SSMH330 SSMH330 SSMH330 esto Wastewate DRAFT for review p 00\147759 - Modes Reach 04091502- 04091207 04091603B- 04091603C 04091603D- 04091306 03091315- 03091316 03091002- 03091003 03080301- 03080304 03090810- 03090811 03090811- 03091222 03091417- 03091426 03091426- 03091501 03091501- 03091416 03090104- 03090105 03090105- 03090201 03090401- 03090402 03090611- 03090614 er Collection Sys purposes only. Use o sto WW Collection Sy Pipe Size (in) Le 30 5 24 24 2 30 18 4 27 24 24 3 27 2 27 2 27 3 27 27 4 30 3 27 5 stem Condition of contents on this s ystem\Report\Mode Table 5-1. Struc ength (ft) T 567 Not indic 38 S 245 S 110 Em 448 S 659 S 110 San 369 San 203 Not indic 258 Not indic 350 Not indic 153 Not indic 481 Not indic 307 San 562 Not indic Assessment Re 5-5 sheet is subject to th esto WW Collection S ctural Severe Ra Trunk cated in GIS. Su an not Sutter Re Re Sutter Su an rea alig merald Su un Sutter Fu dir ba agg mi Sutter Su ft t rei nta Rosa Su thr SS nta Rosa Re cor cated in GIS. Su are cated in GIS. Su are cated in GIS. Ag agg ins cated in GIS. Su thr ne cated in GIS. Su rei cor nta Rosa Su Re cated in GIS. Su agg esp 33 eport he limitations specif System Condition As ated Pipes urface reinforceme d missing aggrega t be completed du ebar missing and w ebar visible and co urface aggregate v d missing aggrega ach lined. Inspecti gnment change. urface corroded wit known. Settled de ll inspection not a rection due to deb arrel in many areas ggregate visible thr ssing aggregate. urface reinforceme to 658 ft upstream nforcement is cor urface rebar visible roughout. Hole wit SMH2803090810 einforcement visib rroded. Aggregate urface aggregate p eas of missing agg urface projecting a eas of missing agg ggregate projecting ggregate missing. D spection. urface reinforceme roughout with rein ar upstream manh urface aggregate v nforcement visible rrosion. However, urface aggregate p einforcement also urface roughness in ggregate projecting pecially near down 303090614. fied at the end of thi ssessment Report_ Assessment ent visible with pro ate also observed. ue to debris. wall missing at SS orroded in some ar visible with some a ate for the first 10 ion couldn't be co th coating missing eposits observed. achieved with insp bris within flow. Fin s affecting structu roughout with area ent visible through m of SSMH250308 rroded. Settled de e. Missing wall and th void visible at 1 0. Pipe appears to le in several locat e projecting throug projecting and spa gregate. Settled gr and surface spallin gregate. Settled gr g and spalling thro Debris/obstacle p ent visible from 1 t nforcement project hole. visible throughout. e throughout with it could also be lin projecting and visib visible. ncreased through g and missing wal nstream manhole Sec is document. Draft_02-01-2016.d ojecting aggregate . Full inspection co MH0604091603 reas. areas of projecting 02 feet. Remainde ompleted due to g. Thickness of CM pection from either ne roots through ral integrity. Surfa as of projecting an hout, except from 6 80304 where bris observed. d attached deposi 16 ft o surcharge. ions with some ghout. alling throughout w ravel observed. ng throughout. Som ravel observed. oughout with som prevented full to 3 o'clock ting and corroded . Surface some areas of ned CMP. ble throughout. out with surface l within flow line, , SSMH ction 5 docx e ould C. g r of MP r ace nd 638 its of with me e ---PAGE BREAK--- City of Mod P:\14700 R SSMH330 SSMH330 SSMH330 SSMH330 SSMH330 SSMH330 SSMH330 SSMH330 5.1.2 G Figure 5-7 in this pro with only poor cond of the pip A summa provided inspectio cleaned t (8 esto Wastewate DRAFT for review p 00\147759 - Modes Reach 03090705A- 03090705B 03090705- 03090705A 03091101- 03091101A 03091104A- 03091101 Gravity Main 7 represents oject include approximate dition, respec peline were n ary with the p in Appendix n. These reac to complete a 10% reaches) 2% (2 reac er Collection Sys purposes only. Use o sto WW Collection Sy Pipe Size (in) Le 48 48 48 48 3 n Operation the distribut debris and r ely ten percen ctively. Pipeli ot cleaned a Figure 5-2. P ipe size, pipe D. Table 5-2 ches were gi a full inspect 14% (11 reac % ches) stem Condition of contents on this s ystem\Report\Mode Table 5-1. Struc ength (ft) T 66 23 141 392 nal Assessm tion of the op roots. Pipelin nt (eight reac nes with any s part of this Pipeline Opera e material an 2 includes rea ven and ope ion of the rea % ches) Assessment Re 5-6 sheet is subject to th esto WW Collection S ctural Severe Ra Trunk River Su wh River Su River Su SS pro River Re thr ment Result perational co e reaches ar ches) and two y significant l s investigatio ational Conditi nd the type of aches where rational ratin ach. eport he limitations specif System Condition As ated Pipes urface reinforceme hether rebar is corr urface reinforceme urface reinforceme SMH3303091101 ojecting throughou einforcement visib roughout. ts ondition grade re generally i o percent (tw evel of debri n. ion Grade Dist f operational debris or ob ng of modera fied at the end of thi ssessment Report_ Assessment ent visible through roded. ent visible at down ent visible around 1. Surface aggrega ut. le, aggregate proj es. Operatio n good opera wo reaches) i s that affecte tribution l defect for a bstacles preve ate or severe, 74% (60 reach Sec is document. Draft_02-01-2016.d hout. Unable to see nstream manhole. 100 ft ate visible and ecting and visible onal defects f ational condi n moderate a ed the inspec ll reaches is ented their f , and should es) Mild Moderat Severe Incomple ction 5 docx e m of e found tion and ction ull be e ete ---PAGE BREAK--- City of Mod P:\14700 SSMH0 SSMH0 SSMH0 SSMH0 SSMH SSMH2 SSMH SSMH2 Note: 1GIS sh 5.2 M Inspectio the ten w manhole total of 20 distributio deposits 63 perce condition immediat rehabilita 25 (55 man esto Wastewate DRAFT for review p 00\147759 - Modes Re 0604091603A-SS [PHONE REDACTED]-SS [PHONE REDACTED]-SS [PHONE REDACTED]-SS [PHONE REDACTED]-SS [PHONE REDACTED]-SS [PHONE REDACTED]-SS [PHONE REDACTED]-SS hape length may b Manhole ns were atte were part of th within the sy 09 manholes ons for these and debris, s nt (138 man , and 7 perce te attention b ation. 5% nholes) (16 m er Collection Sys purposes only. Use o sto WW Collection Sy Table 5-2 ach SMH0604091603 MH0504091207 MH0504091502 MH0804090404 MH1203081401 MH2503090103 MH1903091003 MH2903091416 be a discrepancy. Assessm mpted on a t he original pr ystem. Seven s were inspec e 219 manho spalling, and holes) in goo ent (16 manh based on the Figure 7% manholes) stem Condition of contents on this s ystem\Report\Mode 2. Reaches Req Tru 3B N/ N/ N/ N/ We Lakew N/ N/ ment Resu total of 219 m roject list; bu n could not be cted, coded, oles are prese severe corro od or excellen holes) in poo eir structural c 5-3. Manhole 5% (10 manhole Assessment Re 5-7 sheet is subject to th esto WW Collection S uiring Cleaning unk Pipe S (in /A 36 /A 30 /A 30 /A 30 est 39 wood 36 /A 18 /A 27 ults manholes. Te t were subst e inspected d and assesse ented in Figu osion. Manho nt condition, or condition. F condition an Condition Ra es) eport he limitations specif System Condition As g for Full Inspect Size n) Inspec 6 0 0 0 9 6 8 7 en manholes ituted with a due to acces ed. The result ure 5-8. Defe oles are gene 25 percent ( Four manhol d 12 were re ting Distributi ( fied at the end of thi ssessment Report_ tion ction Length (LF) 54 289 34 197 230 223 428 327 s were not ins nearby man ss issues or w ting conditio ects found inc erally in fair c (55 manhole es were desi ecommended ion 83% (138 manholes Sec is document. Draft_02-01-2016.d GIS Length (LF) 335 567 53 497 2141 253 448 350 spected. Thre nhole or anot were not foun n rating clude settled condition with es) in fair ignated for d for repair o s) Mild Moderate Severe Incomplete ction 5 docx ee of her nd. A h r ---PAGE BREAK--- City of Mod P:\14700 Some of t Photogra concrete. Photogra with soil v Photogra esto Wastewate DRAFT for review p 00\147759 - Modes the defects id ph 5-6 shows ph 5-7 shows visible. Phot aph 5-7. SSMH with er Collection Sys purposes only. Use o sto WW Collection Sy dentified in p s an uncoate Photograph 5 w s a manhole ograph 5-8 d H3203090907 void visible stem Condition of contents on this s ystem\Report\Mode poor-rated ma ed manhole w 5-6. SSMH320 with Projecting with brick th displays a ma 7: Missing bric Assessment Re 5-8 sheet is subject to th esto WW Collection S anholes are d with corroded 03091219: He g and Missing hat appears t anhole with v ck Photog eport he limitations specif System Condition As displayed in d walls and e eavy Wall Dete Aggregate to have collap visible reinfor graph 5-8. SSH with re fied at the end of thi ssessment Report_ the photogra exposed aggr erioration psed at the p rcement in th HM21030904 inforcement v Sec is document. Draft_02-01-2016.d aphs below. regate in the pipe connecti he lower wall 405: Walls spa visible ction 5 docx ion . alling ---PAGE BREAK--- City of Mod P:\14700 The manh replacem project. T deteriorat Man Rehabilitate SSMH2303 SSMH3203 SSMH3203 SSMH3303 Rehabilitate SSMH0504 SSMH0504 SSMH0504 SSMH0604 SSMH1903 SSMH2103 SSMH2803 SSMH2803 SSMH2803 SSMH2903 SSMH3303 SSMH3303 The seven that were esto Wastewate DRAFT for review p 00\147759 - Modes holes picture ment. The man The manhole tion. nhole ID e/Repair Immedia 3091620 3090907 3091219 3091004 e/Repair Soon 4091106 4091203 4091502 4091403 3091002 3090405 3090806 3090809 3090811 3090908 3090531 3090709 n manholes t e not found m er Collection Sys purposes only. Use o sto WW Collection Sy ed in Photogra nhole in Phot in Photograp Trunk ately Lakewood Sutter River River Ceres Ceres Not Provided West Not Provided Non-Trunk Santa Rosa Santa Rosa Santa Rosa Not Provided Not Provided Cannery Segregat that were ina may be buried stem Condition of contents on this s ystem\Report\Mode aphs 5-6 and tograph 5-6 i ph 5-8 should Table 5-3. S k Rei Bric exp Ext Rei Rei Hea Hol cor Pen cor cor App agg Bol res agg Mo cor Wa in t Agg Agg Agg Ma wal Agg ben tion Ma Rei accessible or d or paved ov Assessment Re 5-9 sheet is subject to th esto WW Collection S d 5-7 are rec is located in d be rehabilit evere Rated Ma inforcement visibl ck covered with ce posed in lower half erior manhole bro inforcement visibl inforcement visibl avy grease in man le for bolt stripped rroded in wall and netration test and rrosion. Sediment rroded reinforceme proximately 5 inch gregate projecting lted cover style fra ulted in 1/8 inch t gregate missing ne ost of the manhole rroded reinforceme lls spalling with re the chimney. gregate projecting gregate projecting gregate projecting anhole severely cor ll. gregate visible wit nch. anhole full of greas inforcement within not found ar ver. eport he limitations specif System Condition As commended f the emergen tated soon to anholes Asse e and projecting. ementitious coatin f of the manhole. M oken at surface. Ag e and corroding. e and corroded an hole. d out. Manhole su aggregate project hammer test resu estimate approxim ent observed. hes of sediment ob g in lower wall with ame and cover but to 1/2 inch scratc ear pipe mouth. e in fair condition, ent at a lateral. einforcement visib g and some aggreg g and missing. Hea g and missing. Mis rroded with reinfo thin manhole with se and surcharged n manhole project re displayed fied at the end of thi ssessment Report_ for immediat ncy River Trun o prevent furt essment Heavy spalling. ng. Coating deteri Missing brick with ggregate missing a nd wall heavily det rcharged. Reinforc ting. ulted in determina mately 3 inches. M bserved with greas h aggregate missin t it is not bolted do ch. Aggregate visib except that there ble in the lower wa gate missing on be avy spalling throug ssing mortar medi rcement visible ad aggregate project d to height of 41 in ting and corroded. below in Tab Sec is document. Draft_02-01-2016.d te repair or nk rehabilitat ther structur iorating with brick h void and soil visi and projecting. teriorated and soft cement visible and ation of severe Missing wall and se on bench. Surfa ng near bench. own. Penetration t ble and projecting is spalling and all. Projecting aggr ench. ghout manhole. um in brick near b d corroded and mi ting and missing o nches from rim. . ble 5-4. Manh ction 5 docx tion al k ble. ft. d ace test g with regate bench. issing on holes ---PAGE BREAK--- City of Mod P:\14700 5.3 P Field inve immediat immediat rehabilita Reach/ Pipe Reach SSMH06040 SSMH05040 SSMH19030 SSMH19030 SSMH28030 SSMH28030 Manholes SSMH23030 SSMH32030 SSMH32030 SSMH33030 esto Wastewate DRAFT for review p 00\147759 - Modes Priority As estigation pro te rehabilitat te attention. ation. /Manhole P hes 091603B to 091603C 091002 to 091003 090810 to 090811 091620 090907 091219 091004 er Collection Sys purposes only. Use o sto WW Collection Sy Ta Manhole ID SSMH0904091 SSMH2903090 SSMH3003100 SSMH3303090 SSMH3303090 SSMH3403090 SSMH3503091 ssets Re otocol include ion. The inve The following Pipe Size (in) Len (f 24 3 18 44 24 1 - - - - stem Condition of contents on this s ystem\Report\Mode able 5-4. Manho D 008 Train tr 215 Not Fou 904 Not Fou 626 Not Fou 706 Can't a 703 Not Fou 102 Unable quiring Im ed the identif estigation ide g manholes a Table 5-5. Struc ngth ft) T 38 S 48 S 10 San - Lak - S - R - R Assessment Re 5-10 sheet is subject to th esto WW Collection S oles Not Access C rack easement, un und und und access; unable to und e to inspect becau mmediat fication of pr entified three and pipelines ctural Severe Ra Trunk Sutter Reb Reb Sutter Ful dire ma visi agg ta Rosa Sur thro SSM kewood Rei Sutter Bric det Mis River Ext pro River Rei det eport he limitations specif System Condition As sed or Found omments nable to access. lift lid. se too close to tra te Rehab riority manho pipelines an s considered ated Pipes bar missing and w bar visible and cor l inspection not ac ection due to debr any areas affecting ible throughout wi gregate. rface rebar visible oughout. Hole wit MH2803090810 inforcement visibl ck covered with ce teriorating with br ssing brick with vo terior manhole bro ojecting. Reinforce inforcement visibl teriorated and soft fied at the end of thi ssessment Report_ ain tracks. bilitation oles and pipe nd four manh to be in nee Assessment wall missing at SSM rroded in some ar chieved with inspe ris within flow. Fin g structural integri ith areas of projec e. Missing wall and h void visible at 16 . Pipe appears to le and projecting. ementitious coatin ick exposed in low oid and soil visible oken at surface. Ag ement visible and le and corroded an ft. Heavy grease in Sec is document. Draft_02-01-2016.d elines requirin holes requirin ed of immedia t MH0604091603C reas. ection from either ne roots through ba ity. Surface aggreg cting and missing d attached deposit 6 ft o surcharge. Heavy spalling. ng. Coating wer half of the man e. ggregate missing a corroding. nd wall heavily manhole. ction 5 docx ng ng ate C. arrel in gate ts of nhole. and ---PAGE BREAK--- City of Mod P:\14700 The pipe improvem larger cap areas; the SSMH320 planned f 5.4 S Siphon in structure 5.4.1 S The City o Shackelfo construct currently the State A com A det BC and P inspectio See Snak was selec steel cylin Site cond within the Thus, the river. The wall of th obstructio made by abandone Analysis o 1. STA 3 2. STA 3 rema 3. STA 3 Based on it is antic Areas abo subjected to an app 3+38.6 is Based on that the p esto Wastewate DRAFT for review p 00\147759 - Modes reaches liste ment project. pital improve erefore, thes 03091219 a for emergenc Siphon In nspections co inspection to Shackelford of Modesto re ord Sewer Sip ted in the ear not in servic Lands Lease mplete analys termination if ipeline Inspe ns during the ke, utilizes Re cted based o nder embedd ditions at the e Dryden Par e tool was dep e tool travele e siphon inle on(s) was en PICA and the ed. Figure 5-5 of the inspec 3+50 – 3+38 3+38.6 – 3+ aining 3+28.9 – 2+ n the vertical ipated that th ove the inver d to corrosive proximate ele s in similar de n the inspecti pipeline has n er Collection Sys purposes only. Use o sto WW Collection Sy ed above are Manholes SS ement project e manholes and SSMH33 cy repair and spection onsisted of P o gauge the c Siphon Ins etained Brow phon. Per do rly 1970s an e. The purpo e, dated Sept sis of the pip f the pipeline ection & Cond e week of No emote Field T n its capabili ded in the CC siphon outle k Golf Course ployed into th ed approxima et manhole (a countered at e City to clear 5 displays th ction data obt 8.6: No inspe 28.9: Approx 90: Approxim alignment in he entire pip rt elevation o e environmen evation of 51 eteriorated c ons, conditio not held its in stem Condition of contents on this s ystem\Report\Mode recommend SMH230309 t as there wa should be ad 303091004, rehabilitatio n and Ass ICA SeeSnak condition of t spection wn and Caldw ocuments pro d the pipe m ose of the ins tember 20, 2 peline e has held its dition Analys vember 16, 2 Testing (RFT) ity of measur CP. et manhole lo e, did not allo he pipeline a ately 60 linea approximate t approximate r the obstruct e extents of tained in the ection data o ximately 10 p mately 99 per n the 1970 re eline was no f the siphon nts, including .50. Thus, it condition to t on assessme ntegrity. If th Assessment Re 5-11 sheet is subject to th esto WW Collection S ed for rehab 91620 and S as insufficien ddressed sep are located o on. sessment ke inspection the siphon p well (BC) to co ovided by the material is Con spection was 2013. The re s integrity or i is Corporatio 2015. PICA’ technology. ring the full le ocated on the ow for the de t the siphon ar feet (LF) do STA 3+50), c e STA 2+90. tion(s). The the inspectio field yielded btained due percent of the rcent of the p ecord drawing ot fully subme outlet (EL 51 g H2S gases. t can be conc hat of STA 3+ ent, and analy he pipeline is eport he limitations specif System Condition As bilitation as p SSMH320309 nt project to b parately. The on the River t Results of the Shack ipes. These r onduct an ins e City, the 18 ncrete Cylind s to satisfy th equirements if rehabilitati on (PICA) perf s in-line insp The Chimer ength 360-de e western ba eployment of inlet manho a collecting dat Multiple un obstruction(s on. d the followin to the config e pipe wall of pipe wall of t gs, the pipeli erged during 1.50) were ve The elevatio cluded that th +38.6 – 3+2 ysis performe s to be reinsta fied at the end of thi ssessment Report_ art of a large 90907 are n build a projec two manhole Trunk which s kelford sipho results are pr spection of th 8-inch diamet der Pipe (CCP e requireme include: on is needed formed the p pection (ILI) to ra model of th egree wall th nk of the Tuo f the Chimera le on the eas s measured ta, until an im successful a s) caused the g findings: guration of th f the steel cy the steel cylin ine’s hydraul operation of ery likely to h on at STA 3+2 he pipe from 28.9. ed, it has bee ated for wast Sec is document. Draft_02-01-2016.d er capital ot grouped in ct around the es, is currently on, and sipho resented bel he existing ter pipeline w The pipeli nts set forth d physical pipel ool, called th he See Snak hickness of th olumne River a at this locat stern bank of from the effl mpassable attempts were e inspection he Chimera to ylinder is nder is remai lics are such f the pipeline have been 28.9 corresp STA 3+50 – en determine tewater ction 5 docx n a ese on ow. was ine is in line he ke he r, tion. f the uent e to be ool ining that e. ponds – ed ---PAGE BREAK--- City of Mod P:\14700 conveyan 3+50 – S allow insp copy of th esto Wastewate DRAFT for review p 00\147759 - Modes nce, renewal STA 3+28.9. pection, cond he PICA repor er Collection Sys purposes only. Use o sto WW Collection Sy of the pipelin Additionally, dition assess rt is located i stem Condition of contents on this s ystem\Report\Mode ne via rehabi the pipeline sment, and a in Appendix G Assessment Re 5-12 sheet is subject to th esto WW Collection S litation, repa e will require c nalysis of the G. eport he limitations specif System Condition As air, or replace cleaning to r e pipeline do fied at the end of thi ssessment Report_ ement is nee remove the o of Sec is document. Draft_02-01-2016.d ded from STA bstruction(s) f STA 2+90. A ction 5 docx A ) and A ---PAGE BREAK--- ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- City of Mod P:\14700 5.4.2 S Select sip siphons a and any r Siph Shacke Thousand River T Cannery Seg South T Based on (Shackelf inspectio manhole The Thou revealed displayed Photogra View wit esto Wastewate DRAFT for review p 00\147759 - Modes Siphon Struc phon structur at each end. T ratings of the on Up elford SS d Oaks SS Trunk SS gregation SS Trunk SS n the surface ford) and SSM n observatio wall. sand Oaks S heavy deteri d below in Ph aph 5-9. SSMH th Aggregate P er Collection Sys purposes only. Use o sto WW Collection Sy cture Inspe re inspection Table 5-5 su e siphon pipe pstream Structur SMH0504091203 SMH270309050 SMH3303091004 SMH3303090706 SMH0804090103 manhole ins MH3303091 ns at these m Siphon Struct oration in the otographs 5- H2703090503 Project and Po stem Condition of contents on this s ystem\Report\Mode ection ns provided s mmarizes th es from PoleC Table 5-6 re Manho Conditi Ratin 3 Severe 1 Mild 4 Severe 6 Not Acces 3 Modera spections, ma 1004 (River) a manholes inc tures were in e adjacent pi -9 and 5-10. 3: Adjacent Pi ossibly Missin Assessment Re 5-14 sheet is subject to th esto WW Collection S ome prelimin e results of t Cam photogra 6. Siphon Struct ole ion g Downst e SSMH SSMH e SSMH ssible SSMH ate SSMH anholes SSM are recomme cluded heavy fair conditio ipes. PoleCam pe g Pho eport he limitations specif System Condition As nary informat the surface in aphs. tures tream Structure H0504091106 H2703090503 H3303091005 H3303090607 H0804090102 MH 0504091 ended for reh y corrosion an on; however, m photograp otograph 5-10 Deterioratio fied at the end of thi ssessment Report_ tion on the c nspections o Manhole Condition Ra Severe Mild Mild Not Inspect Mild 1203 and SSM habilitation. M nd deteriorat PoleCam pho phs of SSMH2 0. SSMH27030 on of Adjacent Sec is document. Draft_02-01-2016.d ondition of th f these struc e ating PoleC Rating o N/A Seve Unable t pipes d surchar and/or g ted N/A Unable t well du grease bu MH0504091 Manhole tion of the otographs [PHONE REDACTED] 090503: Heav t Pipe Wall ction 5 docx he ctures Cam of Pipe A ere o view ue to rging grease. A o view ue to uild up. 1106 3 are vy ---PAGE BREAK--- City of Mod P:\14700 The rema manholes require re structures of the sip 5.5 W This secti condition 5.5.1 W The Wood Woodland residentia rehabilita The entra vegetatio neighbors on the so Two abov pumps ar Raw sewa pumped a of Woodla primary tr manual b The Wood gallons pe pumps ra capacity o the larges gpm. The elect generator is located the five p Odor cont 5.5.2 L The evalu investigat maintena Four docu included: Colle esto Wastewate DRAFT for review p 00\147759 - Modes aining siphon s. At a minim ehabilitation s should be i phon conditio Woodland ion provides assessment Woodland L dland Lift Sta d Lift Station al area with h ation of the p ance to the W n surrounds s. Asphalt pa outh side of th ve grade mas re located. Th age from the approximate and Avenue. reatment. Or bar rack prior dland Lift Sta er minute (gp ange from 25 of the Woodl st pumps out rical equipm r manufactur d below the s pumps. A load trol for the W ift Station C uation of the tion, field inv ance history o uments were ction System er Collection Sys purposes only. Use o sto WW Collection Sy pipes could mum, the Thou in areas that inspected to on. d Lift Sta background t procedures ift Station B ation is one o is located on homes very n umps and el Woodland Lift the site and vement surro he property. sonry block st he above gra West Trunk ly 100 feet in The raw sew iginally, the r r to being pum ation is a wet pm), Pump 2 5 to 50 horse and Lift Stati t of service a ent is located red by Onan standby gene d bank with a Woodland Lift Conditions lift stations i vestigations a of the lift stat e reviewed as m Condition A stem Condition of contents on this s ystem\Report\Mode not be viewe usand Oaks s t are frequen determine th ation Insp information , results from Background of 39 lift stati n the northea near the prop ectrical equi t Station is fro provides a v ounds the Lif tructures pro de structures Sewer enters n a 36-inch w wage then gra raw sewage a mped but the t well/dry we is 3,500 gpm power and a ion based on nd the peak d on an inter provides stan rator. The sta a resistive ca Station is pr Assessmen ncluded deve at the lift stat tion, and rati s part of the c Assessment, A Assessment Re 5-15 sheet is subject to th esto WW Collection S ed to due gre siphon shoul ntly not subm he general co pection a on the Wood m the conditio d ons that the ast corner of perty line. It w pment occur om Poust Ro visual screen ft Station Bu ovide access s are separa s the Woodla welded steel f avity flows to at the Woodla e screen was ll configuratio m and Pump re manufact n the pump n pumping cap rmediate floo ndby power. andby genera pacity of 150 rovided by a s nt elopment of tion with City ng the lift sta condition ass August 2005 eport he limitations specif System Condition As ease build up ld be inspect merged. Addit ondition of th and Asses dland Lift Sta on assessme City of Mode f Woodland A was originally rring over sev oad. A chain-l from the stre ilding and ad to the wet w ted by an op and Lift Statio force main to the Sutter Av and Lift Stat s removed for on with five p ps 3, 4, and 5 ured by Wem ameplate da pacity with a or below grad The diesel fu ator only has 0 kW accomp soil bed filter an inspectio y maintenanc ation. sessment. Th 5 – Carollo En fied at the end of thi ssessment Report_ p or surcharg ted further an ionally, the C he structures ssment R tion and disc ent, and reco esto owns an Avenue and P y built in 196 veral projects ink fence wit eet and the n dditional vege well and dry w pen mezzanin on in a 51-in o a manhole venue Plant ion was scre r safety reaso pumps. Pum 5 are each 4, mco. The firm ata is 14,500 ll pumps in s de. A 150 kilo uel for the sta s capacity to panies the st r. on form to be ce staff famil he document ngineers Sec is document. Draft_02-01-2016.d ging of the nd will likely Can-Seg sipho s as an indica Results cusses the ommendation nd operates. T Poust Road in 68 with major s in the 1990 th PVC slats a next-door etation is loc well where the ne area. ch RCP and on the south where it rece ened with a ons. p 1 is 2,000 ,500 gpm. Th m pumping 0 gpm with on service is 19, owatt (kW) andby genera operate thre tandby gener used for the iar with the ts reviewed ction 5 docx on ation ns The n a r 0s. and cated e it is h side eives he ne of 000 ator ee of rator. e field ---PAGE BREAK--- City of Mod P:\14700 Wast O&M Draft The follow these rep 1. In p 2. In 3. P 4. R lif 5. R 6. In 7. In 8. R The pump 5.5.3 L Investigat lift station 5.5.3.1 The forms each lift s staff fam on condit informatio Condition Inventory Basic info and inclu Num Stand Pump Othe Site C Site cond Acces Turf/ Futur Fall P “Each esto Wastewate DRAFT for review p 00\147759 - Modes tewater Colle Comments o t Wastewater wing items w ports. nstall new mo otential for th nstall awning rovide additi eplace pump fe eplace sluice nstall a hatch nspect and re epair asphal ps and valve ift Station I tion forms an n investigatio Condition As s were devel station invest iliar with the tion assessm on needed fo n and reliabili y Confirmatio ormation prov ded the follo ber of pumps dby power p controls r equipment Condition ditions includ ss landscaping re expansion Protection - O h employee o er Collection Sys purposes only. Use o sto WW Collection Sy ction System on the Wood r Collection S ere recomme otor control c he MCCs to b g between the onal site ligh ps and valves e gate that is h for better ac eplace media t on the site replacement Investigatio nd procedure on. A descript ssessment Fo oped to capt tigated based operation an ment forms us or this projec ity data colle on vided by the owing items: s such as odo ed the follow maintenanc (proximity to Occupational on a walking/ stem Condition of contents on this s ystem\Report\Mode m Master Plan land Lift Stat System Maste ended for co centers (MCC be flooded e above grad hting and rep s on pumps a solates wet w ccess to the a in the soil b t have been on Procedu es for the con tion of the fo orms ture specific d on a visual nd maintenan sed on other ct. cted on the f City in the lif r control faci wing items: e. o residents a Safety and H /working surf Assessment Re 5-16 sheet is subject to th esto WW Collection S n, March 200 tion er Plan, Nove nsideration a C) and relocat e structures lace interior and valves th well from the influent man bed filter used or are planne res ndition asses orms is provid information o inspection o nce of the W BC projects a forms is grou ft station inve lities, hoists, nd pedestria Health Act (O face (horizon eport he limitations specif System Condition As 07 – Carollo ember 2015 at the Woodla te them abov for weather lighting hat have reac collection sys nhole d for odor co ed for compl ssment were ded in the fol on the physic of the equipm oodland Lift and customi uped into the entory was co , flow meter, an access). OSHA) Standa ntal and verti fied at the end of thi ssessment Report_ Engineers – Carollo Eng and Lift Stati ve grade to r protection fr ched the end stem ontrol etion by the developed b llowing sectio cal condition ment and disc Station. The zed to captu following ca onfirmed dur etc. ard 1926.50 ical surface) Sec is document. Draft_02-01-2016.d gineers ion as part of educe the om rain and d of their usef City. by BC prior to ons. and reliabilit cussion with forms are ba re specific tegories: ring the site v 1(b)(1) state with an ction 5 docx f sun ful the ty of City ased visits es ---PAGE BREAK--- City of Mod P:\14700 unpro fallin Structura Deteriora Structura well was Dry w Build Meta Equip Pumping The pump reliability condition under pea operation Pump (asse were Pump Standby G Standby g compone Stand Fuel t Porta Autom Electrica Electrical antiquate difficult to electrical assessme compone Moto Light Contr Alarm esto Wastewate DRAFT for review p 00\147759 - Modes otected side g by the use al Condition ated structura l conditions w not inspected well/wet well ing condition al corrosion (h pment layout g System ping system w problems. It s occurring a ak wet weath nal problems p operation i essment of th not performe p suction and Generator generators a ents of the sta dby generato tank storage able generato matic transfe l and Instrum systems inc ed and obsole o maintain an system were ent of the ele ents were par or control cen ing (power) rols (control) ms and senso er Collection Sys purposes only. Use o sto WW Collection Sy or edge whic of guardrail s al condition c were comple d. The follow corrosion. n including w hatches, raili t sufficie was visually should be no at the time of her flow cond . The followin ncluding vibr hese items w ed). d discharge p re one of the andby genera or size e and spill con or connection er switch mentation an lude power s ete sooner th nd find spare e made by vis ectrical powe rt of the cond nter (MCC) an ors (control) stem Condition of contents on this s ystem\Report\Mode ch is 6 feet o systems, saf can lead to st eted visually i wing items we walls, finish, ro ngs, etc.). ent working s investigated oted that the f the investig ditions. City s ng pumping s ration, cavita was based on piping and va e primary sou ator system w ntainment ns nd Control S systems and han other eq e parts for, w sual investiga er and contro dition assess nd power Assessment Re 5-17 sheet is subject to th esto WW Collection S r more above fety net syste taff injuries o in the dry we ere visually ob oof, doors, w space). where acces e pumping sy gation (dry we staff provided system comp tion, bearing conversatio alves. urces of redu were part of t System control syste uipment at a which increase ation and dis l systems wa ment: eport he limitations specif System Condition As e a lower leve ems, or perso or overflows i ell but becaus bserved: windows, etc. ss was availa ystem operat eather flow) a d additional i ponents were g noise, and m ns with City s ndancy in a l the condition ems. These s a lift station. T es the risk of scussion with as not perform fied at the end of thi ssessment Report_ el shall be pr onal fall arres if the lift stat se of safety c able to identif tion was obse and could sig nformation a e part of the a motor tempe staff; physica lift station. Th n assessmen systems can b These system f a failure. Ob h City staff. A med. The foll Sec is document. Draft_02-01-2016.d rotected from st systems”. tion fails. concerns, the fy specific erved under t gnificantly va about previou assessment: erature al measurem he following nt: become ms can becom bservations o An operationa lowing electr ction 5 docx m e wet the ry us ents me of the al rical ---PAGE BREAK--- City of Mod P:\14700 Other Me These sys systems w improvem Heati Odor Auxili The cond ratings ar Ratin syste funct Ratin but fu Ratin main Ratin funct Ratin equip Hydraulic The Amer pumps an misunder to provide Standard greater m the ANSI/ an indust Wet w Appro Sucti 5.5.3 L Condition City opera 2015. A c documen The visua condition performa standby g Similarly, on-going esto Wastewate DRAFT for review p 00\147759 - Modes echanical Sy stems do not will factor int ment project. ing, ventilatio control facili iary equipme ition assessm re from one t ng 5 - Structu ems are unre tioning for its ng 4 - Structu unction or re ng 3 - Visible tenance or o ng 2 - Well ma tions as inten ng 1 - New or pment. c Institute St rican Nationa nd pumping s rstandings re e guidance o s may not m maintenance, /HI Standard try standard. well configura oach conditio on/discharge ift Station C n and reliabili ation and ma condition ass nt the conditio al condition a assessment nce testing o generators, s the pumps w operation or er Collection Sys purposes only. Use o sto WW Collection Sy stems t generally lea to the overall The followin on, and cooli ities. ent such as h ment forms h to five. A gen re or equipm liable. Possib s intended us re or equipm liability is com degradation operational re aintained, lik nded. nearly-new s tandards al Standards stations. The elated to pum n pump sele eet flow and and have re s. Complianc For this eva ation ons for pump e pipe and va Condition A ity assessme aintenance st sessment for on of the lift assessments t forms and d of the lift stat sump pumps, were not test operated/te stem Condition of contents on this s ystem\Report\Mode ad to a pump assessment g component ng (HVAC). oists and ba have a condit eral definitio ment integrity ble imminent se. ment integrity mpromised. of equipmen equirements ke-new condit structure or e institute/Hyd e ANSI/HI Sta mp performan ction. Pumps pressure req educed servic ce with the A aluation, the f p inlets alve configur Assessment ents were per taff. Lift stati m was comp station. focused on o determine th tion systems , seal water s ted for vibrat sted as part Assessment Re 5-18 sheet is subject to th esto WW Collection S ping system f t in determin ts were part r screens. tion and func n of the ratin y severely com t failure. Stru y is comprom nt or structur are excessiv tion of equip equipment. S draulic Institu andards were nce between s and pumpin quirements, h ce life than p NSI/HI Stand following item ration t rformed by a on condition pleted for the obtaining the e overall con including ele systems, and ion or bearin of the regula eport he limitations specif System Condition As failure. Howe ing if a lift st of the condit ctional system ngs is as follo mpromised b ucture or equ ised. Structu e. Structure ve. ment or stru Structure or e ute (ANSI/HI e created to h the manufac ng stations th have higher umps and pu dards are vol ms were asse two-person n assessment e lift station a e information ndition of the ectrical contr d odor contro ng problems. ar operations fied at the end of thi ssessment Report_ ever, the con tation is part tion assessm m rating for e ows: by corrosion a ipment is no ure or equipm or equipmen cture. Struct equipment fu ) has develo help eliminat cturer and th hat do not m power consu umping statio luntary but a essed: BC crew with t occurred on and photos w n needed to c lift station. C rol and SCAD ol systems we These system s and mainte Sec is document. Draft_02-01-2016.d dition of thes of an ment: each group. T and wear or ot currently ment is in ser nt is in service ture or equip unctions like ped standard te he end user a eet ANSI/HI umption, requ ons that do m re recognized h assistance n December were taken to complete the Consequently DA systems, ere not includ ms are eithe nance progra ction 5 docx se The rvice e but ment new ds for and uire meet d as from 1, e y, ded. r in am. ---PAGE BREAK--- City of Mod P:\14700 For exam maintena staff. Also with thes The wet w entered b 5.5.4 L The follow Photos fro The m The l Acces statio Site d the s The l The l repla The i See P The w venti wet w The o Wem clogg All th the p have The d The s straig stand to ac The p cond Acces 16. The s sump The l The M which esto Wastewate DRAFT for review p 00\147759 - Modes ple, standby ance program o, maintenan e systems th well wall was because of sa ift Station C wing conditio om the cond majority of th ift station is a ss to the lift s on building. L drainage is a ite needs to ift station is s ift station do ced. nfluent isolat Photograph 5 wet well inter lation only dr well ventilatio original manu co style pum ged on occas e pumps are pump station sufficient ca dry well has l suction and d ght run of pip dards. In add cumulate on pump discha ition. See Ph ss for remova site has not f p pump. See ift station do MCCs are rea h exposes the er Collection Sys purposes only. Use o sto WW Collection Sy generator te m. Issues rela nce histories at may requi visually obse afety concern Condition A on assessmen ition assessm e Woodland a wet well/dr station is acc Large vehicle dequate exc be repaired. surrounded b es not have tion gate lea 5-11. rior concrete raws air from on system ma ual bar scree mps are able t ion. e Wemco style has adequat apacity for fut imited space discharge pip pe on the suc dition, the che the valve an rge manifold otograph 5-1 al of equipme looded but a Photograph es not have aching the en em to potent stem Condition of contents on this s ystem\Report\Mode esting and ex ated to the pe were discuss ire an improv erved from th ns. Assessment nt observatio ment are loca Lift Station is ry well config ceptable and es cannot driv ept for betwe by a chain-lin adequate sit ks or the con structure an m the wet wel ay not be ade n in the wet to pump the e pumps. Ba te capacity fo ture peak we e to perform m ping and valv ction and disc eck valve is l nd prevent it pipe is a 36 15. ent and valve broken pipe 5-17. a flow meter nd of their us tial flooding. Assessment Re 5-19 sheet is subject to th esto WW Collection S xercising is a erformance o sed with City vement proje he ground su t Observatio ons were mad ated at the e s in good con guration. a City truck ve completed een the two a nk fence. One te lighting an ncrete around d fiberglass s l and does n equately size well was rem debris that t sed on the D or the existin et weather flo maintenance ing configura charge pipe f ocated in the from fully op -inch welded es from the d e caused the on the force eful life and See Photogra eport he limitations specif System Condition As part of the C of these syste staff to iden ect to address urface during ons de during the end of this se ndition for a s can drive co d around the above grade e break-in ha d the interior d the gate ha stairs are se ot have “fres ed. See Photo moved becaus the lift station Draft 2015 Co ng peak wet w ow. See Phot e on the pum ation do not m for each pum e vertical pos pening. See P d steel pipe a dry well is acc dry well to fl e main. are located o aph 5-18. fied at the end of thi ssessment Report_ City’s operatio ems were pro tify chronic o s. g the site visit e lift station i ection. structure nea mpletely aro building. structures. T as occurred a r lighting nee as corroded c verely corrod sh air” supply ograph 5-12. se of safety c n experience ollection Syst weather flow tograph 5-13 mps. meet ANSI/H mp is less tha sition, which Photograph 5 and appears t ceptable. Se ood. The dry on the interm Sec is document. Draft_02-01-2016.d on and ovided by Cit or acute prob t and was no investigation arly fifty year und the lift The asphalt o at the lift stat eds to be causing the l ded. The wet y ventilation. concerns. Th es but they ha tem Master P but does not 3. HI standards. an ANSI/HI can allow de 5- 14. to be in good e Photograp well has one mediate floor ction 5 docx ty blems t . rs old. on tion. eak. well The e ave Plan, t The ebris d h 5- e , ---PAGE BREAK--- City of Mod P:\14700 The s below sized Two u ultras contr The d Gas m Mech There Table 5-7 The comp esto Wastewate DRAFT for review p 00\147759 - Modes standby gene w the standby d to only oper ultrasonic lev sonic level in rollers is conn dry well does monitoring is hanical ventil e have not be 7 provides a s pleted forms er Collection Sys purposes only. Use o sto WW Collection Sy erator and loa y generator a rate three pu vel detectors ndicator does nected to sta not have gas s not provided lation in the d een odor con summary tab are located i stem Condition of contents on this s ystem\Report\Mode ad bank are and does not mps. See Ph are needed s not have the andby power. s detection e d in the wet w dry well is pro ntrol complain ble with each in Appendix H Assessment Re 5-20 sheet is subject to th esto WW Collection S located outd t contain spil hoto Photogra in the wet we e ability to co . equipment. well. ovided and a nts at the lift of the lift sta H. eport he limitations specif System Condition As oors. The die l provisions. aph 5-19. ell to operate ontrol all five appears adeq t station. ation categor fied at the end of thi ssessment Report_ esel fuel stor The standby e the five pum pumps. Only quate. See P ries rated fro Sec is document. Draft_02-01-2016.d age is locate y generator is mps because y one of the l hotograph 5- om one to five ction 5 docx ed s e one level -20. e. ---PAGE BREAK--- City of Mod P:\14700 5.5.5 W Based on maintena recomme The c part o to de the in Repa isolat conce Bypa Repla esto Wastewate DRAFT for review p 00\147759 - Modes Condit Site Structural Pumps and Standby Po Electrical P Control Sys HVAC Odor Contr Auxiliary Eq Redundanc Maintenan Notes: Rating are unr intende Rating functio Rating mainte Rating functio Rating equipm Woodland L n the observa ance staff fro ended. corroded con of this condit etermine the nspection an air the concre tion gate cou erns. The iso ss pumping w ace the fiberg er Collection Sys purposes only. Use o sto WW Collection Sy Table 5-7. Co ion Assessment d Piping ower Power stem rol quipment cy nce 5 - Structure or eq eliable. Possible i ed use. 4 - Structure or eq n or reliability is co 3 - Visible degrad nance or operatio 2 - Well maintaine ns as intended. 1 - New or nearly- ment. ift Station R ations from th m the City an crete in the w tion assessm extent of dam d rehabilitati ete around th uld not be ins olation gate s will be requir glass stairs i stem Condition of contents on this s ystem\Report\Mode ondition Assessm Criteria O quipment integrity mminent failure. S quipment integrity ompromised. ation of equipmen nal requirements ed, like-new condi new structure or e Recommen he condition nd review of wet well shou ment because mage to the c ion. he frame or re spected as pa hould be ins red to comple nto the wet w Assessment Re 5-21 sheet is subject to th esto WW Collection S ment Results fo Overall Rating 2/3 3/4/5 3 3/4 3 3 3/4 3/4 3 3 2 y severely comprom Structure or equip y is compromised. nt or structure. Str are excessive. ition of equipment equipment. Structu ndations assessment, past reports, uld be repair e of safety co concrete. Byp eplace the le art of this con pected to de ete the inspe well. eport he limitations specif System Condition As or Woodland Lift Co Asphalt needs t Wet well has sev Standby genera operate three pu Wet well should supply and incre to reduce corros The odor contro replaced. Redundancy pro flows but not fut flows. The lift station is mised by corrosion pment is not curren Structure or equip ructure or equipme t or structure. Stru ure or equipment f , discussions , the followin ed. The wet w oncerns. The pass pumpin eaking isolati ndition asses etermine the ection and re fied at the end of thi ssessment Report_ t Station omments to be repaired at s vere corrosion. ator only sized to umps d have “fresh-air” ease in ventilation sion. ol soil media shoul ovided for current ture peak wet wea s well maintained n and wear or syst ntly functioning fo pment is in service ent is in service bu ucture or equipme functions like a ne s with operat g improveme well could no wet well sho ng will be req on gate for t ssment beca extent of rep habilitation. Sec is document. Draft_02-01-2016.d ite. n rate ld be ather . tems or its e but ut ent ew ion and ents are ot be inspecte uld be inspe uired to com he wet well. T ause of safety pairs needed ction 5 docx ed as cted mplete The y . ---PAGE BREAK--- City of Mod P:\14700 The s outag Provi fans of co Insta the a Impro A sec Repla meet Cons shoot Repa The s pump the s comp The w pump confi stand Cons The follow A cap pump capa capa When stora Comp upda A futu the re esto Wastewate DRAFT for review p 00\147759 - Modes standby gene ge. Spill prov de a “fresh-a with exhaust rrosion in the ll an awning rea from rain ove the site l cond sump p ace the 2,00 t future peak ider adding a ting pump pe air the aspha suction and d ping capacity uction and d pleted to mee wet well does p service life. guration sho dards where ider addition wing items ar pacity and pu ping capacity city for curre city analysis. n the standby ge capacity s plete a struct ted building ure lift statio ecommendat er Collection Sys purposes only. Use o sto WW Collection Sy erator size sh isions for die air” supply ve ts fans that c e wet well. over the area n and sun. ighting and r ump should 0 and 3,500 wet well flow a flow meter erformance. lt on the site discharge pip y and pump s ischarge pip et Hydraulic I s not meet Hy . When a maj uld be review feasible. nal security m re recommen ump performa y. City operat nt flows but t . y generator is should be co tural seismic codes. n condition a tions for add stem Condition of contents on this s ystem\Report\Mode hould be incre esel fuel shou entilation into can provide a a between th replace the in be added to 0 gpm pump p w requiremen to the pump . ping do not m service life. W ing configura Institute stan ydraulic Insti jor rehabilita wed and imp measures for nded for addi ance analysis ion maintena this should b s replaced w mpleted. c analysis to d assessment, itional invest Assessment Re 5-22 sheet is subject to th esto WW Collection S eased to ope uld be provid o the wet wel at least 20 ai he above grad nterior lightin the dry well t per the Colle nts. station. The meet Hydrauli When a major ation should ndards where tute standar ation occurs a rovements co the exterior f itional invest s of each pum ance staff ind be verified fo with a larger g determine im beyond curre tigations, sho eport he limitations specif System Condition As erate all five p ded to contain ll and replace r exchanges de structures ng. to provide a ection System flow meter c ic Institute st r rehabilitatio be reviewed e feasible. rds. This can at the lift stat ompleted to fence to imp tigation: mp should be dicated the li r future peak generator, an mprovements ent preventiv ould be comp fied at the end of thi ssessment Report_ pumps durin n any spills o e the existing per hour to r s at the lift st redundant p m Master Plan can provide i tandards. Thi on occurs at and improve affect pump tion, the wet meet Hydrau rove overall s e completed ift station has k wet weathe n analysis on s to the struct ve maintenan pleted every Sec is document. Draft_02-01-2016.d g a power of diesel fuel. g exhaust fou reduce the le tation to prot ump. n schedule to nput into tro is can affect the lift statio ements ing capacity well ulic Institute site security. to confirm th s adequate er flows with a diesel fuel tures to mee nce activities ten years. ction 5 docx . ul air evel tect o uble on, and he a et s and ---PAGE BREAK--- City of Mod P:\14700 Photogr Photogr esto Wastewate DRAFT for review p 00\147759 - Modes raph 5-11. Wo Gate – raph 5-13. Wo Sty er Collection Sys purposes only. Use o sto WW Collection Sy oodland Lift St Leaking Gate oodland Lift St le Pumps stem Condition of contents on this s ystem\Report\Mode tation Influent tation Wemco Assessment Re 5-23 sheet is subject to th esto WW Collection S t Photog o Photog Pip eport he limitations specif System Condition As graph 5-12. W Corrode graph 5-14. W ping – Check V fied at the end of thi ssessment Report_ Woodland Lift S ed Walls and S Woodland Lift S Valve Located Sec is document. Draft_02-01-2016.d Station Wet W Stairs Station Discha in the Vertica ction 5 docx Well – arge al ---PAGE BREAK--- City of Mod P:\14700 Photog Photog esto Wastewate DRAFT for review p 00\147759 - Modes graph 5-15. W Discha graph 5-17. W Pump – O er Collection Sys purposes only. Use o sto WW Collection Sy Woodland Lift S arge Manifold Woodland Lift S Only One Pum stem Condition of contents on this s ystem\Report\Mode Station Pump Station Sump mp Assessment Re 5-24 sheet is subject to th esto WW Collection S Phot Phot Outd eport he limitations specif System Condition As tograph 5-16. Rem tograph 5-18. ated and Loca fied at the end of thi ssessment Report_ Woodland Lif moval Equipme Woodland Lif ated in a Pote Sec is document. Draft_02-01-2016.d ft Station Pum ent ft Station MCC ential Flood Ar ction 5 docx mp C – rea ---PAGE BREAK--- City of Mod P:\14700 Photogr Gen esto Wastewate DRAFT for review p 00\147759 - Modes raph 5-19. Wo nerator – Only er Collection Sys purposes only. Use o sto WW Collection Sy oodland Lift St y sized for Thre stem Condition of contents on this s ystem\Report\Mode tation 150 kW ee Pumps Assessment Re 5-25 sheet is subject to th esto WW Collection S W Photogr eport he limitations specif System Condition As raph 5-20. Wo fied at the end of thi ssessment Report_ oodland Lift St Fans Sec is document. Draft_02-01-2016.d tation Odor Co ction 5 docx ontrol ---PAGE BREAK--- P:\14700 Sectio Cap 6.1 Int Each pipe was orga rating (Se groupings and urgen projects; CIP. 6.2 Fo As noted inspected structura There are pipeline w system de parenthes 1. Visua 2. Visua 3. Peak The final rehabilita Since alm level of th ratings th visually in scale (mi shows the Appro level Appro Appro be a Seve Based on LOF rating high base DRAFT for review p 00\147759 - Modes on 6 pital troductio e reach or ma nized into a t ections 2 and s. Then, each ncy of repair repair, rehab ormulatio above, only a d. This sectio l condition ra e 1,240 pipes was assigned escribed belo ses is the ap al interior ins al inspection k LOF from Se ratings also ated, i.e. lined most 75 perce his method w hat are based nspected (Pa ld-moderate- e following: oximately 75 too high (i.e. oximately 12 oximately 12 one) n times (16-inch dia OF. This LOF c e to lowest co tings from ea m (224) that are know rd method, th LOF ratings about 390 pip s were comp al Condition G hed the final el too low els too high (f w (one turned n agreement w n the third m tion based on is document. Draft_02-01-2016.d he next ten ye ctural condit and econom of failure (CO e formulation y of the ten-y oles were vis lated to assig ameter). Eac comes from t onfidence (in ach method): wn to have be he confidenc with final LO pes that were pared on a 1-3 Grade. Data rating or was five turned o d out to be a f with the revis method is rela nly on this rat docx ears tion mic OF) n of year ually gn h the een ce OF e 3-5 s one out to five) sed atively ting, ---PAGE BREAK--- City of Mod P:\14700 and not o during the LOF rating as pre-ins Figure 6-1 studies a secondar moderate then they identifyin esto Wastewate 00\147759 - Modes on one of the e capital proj gs of medium spection LOF 1 displays th nd this proje ry rating to fa e to severe p y were includ g areas with er Collection Sys sto WW Collection Sy visual inspe ject prelimina m to high sho F and criticalit e revised LO ct as the prim acilitate the fo re-inspection ed in an over a high conse stem Condition ystem\Report\Mode ction method ary design ph ould be condu ty ratings are F ratings bas marily LOF ra ormulation o n LOF and we rall capital im equence of fa Assessment Re 6-2 esto WW Collection S ds, should be hase. In addi ucted to esta e not always sed on visual ating. The pre f capital imp ere adjacent t mprovement ailure and ge eport System Condition As e fully inspec ition, further ablish a base indicative of l inspection d e-inspection L provement pro to moderate project. Proje enerally along ssessment Report_ cted using Pa inspections eline conditio actual field c data availabl LOF rating is ojects. If pipe to severe ins ects formed g the same tr Sec Draft_02-01-2016.d anoramo or C of pre-inspec on of these se conditions. e from previo also display es were given spected pipe based on runk line. ction 6 docx CCTV ction ewers ous as a n a es, ---PAGE BREAK--- DRY CREEK TUOLUMNE RIVER MILNES RD OAKDALE RD MC HENRY AVE W WHITMORE AVE LANGWORTH RD COFFEE RD CALIFORNIA AVE MAZE BLV DAKOTA AVE TULLY RD PARADISE RD CLAUS RD ROSELLE AVE WELLSFORD RD CARVER RD BLUE GUM AVE AMERICAN AVE STODDARD RD LANGWORTH RD BECKWITH RD SHOEMAKE AVE NORTH AVE WOODLAND AVE FINNEY RD PARKER RD Figure 6-1. Likelihood of Failure (LOF) Overview CITY OF MODESTO WW COLLECTION SYSTEM INVENTORY AND CONDITION ASSESSMENT STUDY q 0 5,000 10,000 2,500 Scale in Feet Path: P:\147000\147759 - Modesto WW Collection System\GIS\Modesto_ProjectInspections_LOFReport_11x17.mxd LEGEND: DRAFT CONDITION ASSESSMENT REPORT BC Inspected LOF (CCTV & Pole Cam) Low Medium High Manhole Condition Rating Mild Moderate Severe Peak LOF with No Inspection Low Medium High Major Roads Railroad Canal Service Layer Credits: City of Modesto ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- City of Mod P:\14700 6.3 Re Costs pre costs. 6.3.1 U Unit price projects i was esca San Franc Unit costs unit price Pipeline Table 6-2 diameters activities, pumping; Diam esto Wastewate 00\147759 - Modes epair, Re esented in thi Unit Costs es for pipeline n Northern C lated by the cisco Bay Are s per inch dia es were utilize e Constructi 2 presents co s using the c , including m ; they do not meter, inches 16 18 21 24 27 30 33 36 39 42 45 er Collection Sys sto WW Collection Sy ehabilitat is section inc e and manho California, Re July, 2015 E ea (11,155.0 ameter per li ed to develop Slipline CIPP Pipe burst Open Cut on Costs onstruction co costs present obilization, p include proc T Slip $ $ $ $ $ $ $ $ $ stem Condition ystem\Report\Mode ion and R clude unit cos ole rehabilita no and Temp ngineering N 07). near foot p CIP project Table Method osts per linea ted in Table 6 pipeline and m curement of p able 6-2. Pipeli line, $/lf $85 $95 $111 $127 $143 $159 $175 $190 $206 $222 $238 Assessment Re 6-4 esto WW Collection S Replacem sts, pipeline tion were de pe, and with News Report C /in-diam.-foot construction e 6-1. Unit Costs $ ar foot for a r 6-1. Costs inc manhole con permanent o ne Construction CIPP, $/lf $115 $129 $151 $172 $194 $215 $237 $258 $280 $301 $323 eport System Condition As ment Cos construction eveloped by a input from p Construction t) are display n costs. s $/inch-diam.-foo $5 $7.16 $18.66 $24.22 range of cons clude all dire nstruction, tra r temporary e n Unit Costs Pipe Bur $29 $33 $39 $44 $50 $56 $61 $67 $72 $78 $84 ssessment Report_ sts n unit costs, a analyzing cos ipe vendors. n Cost Index ( yed below in ot struction met ect constructi affic control, easements. rst, $/lf 99 36 92 48 04 60 16 72 28 84 40 Sec Draft_02-01-2016.d and total cap sts of similar Cost informa (ENRCCI) for Table 6-1. Th thods and pi ion-related and bypass Open Cut, $/lf $388 $437 $509 $582 $655 $727 $800 $873 $945 $1,018 $1,091 ction 6 docx pital ation the hese pe f ---PAGE BREAK--- City of Mod P:\14700 Diam The mark rehabilita Ne G 6.3.2 T Total cap percent to 6.4 Pr In Section were indi the pipe c Rehabilita or replace three prio Level Level Level Level The levels schedulin esto Wastewate 00\147759 - Modes meter, inches 48 51 54 60 66 72 84 kups shown in ation costs, b et Cost Markups Labor, material handling ross Cost Marku Contractor gene Contingency Bonds and insu otal Capita ital costs pre o constructio rioritizatio n 5, pipeline cated as nee condition rat ation Levels. ement is reco ority levels ar l A – Repair/ l B –Repair/r l C – Repair/ l D – Repair/ s are used to ng over the co er Collection Sys sto WW Collection Sy T Slip $ $ $ $ $ $ $ n Table 3-2, ypassing, an s ls, subcontractor, ups eral conditions urance l Costs esented in th on costs as a on of Re reaches with eding repair, ing (Section 4 The levels o ommended. re listed belo rehabilitation rehabilitation /rehabilitation /rehabilitatio o establish pr ourse of the stem Condition ystem\Report\Mode able 6-2. Pipeli line, $/lf $254 $270 $285 $317 $349 $380 $444 based on sim d traffic cont Table 6-3 Item sales tax, equipm e remaining n allowance pairs and h a structural rehabilitation 4) and critica of rehabilitati Four priority w: n should be c n should be c n should be c n should be c rioritized CIPs next ten yea Assessment Re 6-5 esto WW Collection S ne Construction CIPP, $/lf $344 $366 $387 $430 $473 $516 $602 milar projects trol to yield th 3. Estimate Mark ment, and shipping subsections for engineer d Rehabi l rating of “Se n or replacem ality rating (S ion represent y levels were completed as completed wi completed w completed w s to address rs. eport System Condition As n Unit Costs Pipe Bur $89 $95 $1,0 $1,1 $1,2 $1,3 $1,5 s, were applie he construct kups g and herein were ing design, le ilitation evere” (i.e. w ment within t Section 2) wa t the time fra assigned to t s soon as pos thin three ye within three to within five to t the repairs a ssessment Report_ rst, $/lf 96 52 008 120 232 344 568 ed to the mo ion costs for Rate 8 10 35 3.5 developed b egal and adm with grade 4 a ten years. A c as used to de ame that rep the “Severe” ssible. ears. o five years. ten years. and rehabilita Sec Draft_02-01-2016.d Open Cut, $/lf $1,163 $1,236 $1,309 $1,454 $1,599 $1,745 $2,035 bilization, ov each project by adding 30 ministrative c and/or 5 defe combination etermine air, rehabilita ” reaches. Th ation and the ction 6 docx f verall t. costs. ects) of ation he eir ---PAGE BREAK--- City of Mod P:\14700 6.4.1 C Projects w location a level and levels. De Project No. (S A-1 SSMH A-2 SSMH SSMH A-3 SSMH B-1 SSMH B-2 SSMH C-1 SSMH C-2 SSMH C-3 SSMH D-1 SSMH D-2 SSMH esto Wastewate 00\147759 - Modes Capital Impr were identifie and criticality cost. The pro etailed descr Project Se tart Manhole to [PHONE REDACTED]-SS [PHONE REDACTED] to S [PHONE REDACTED] to S [PHONE REDACTED] to S [PHONE REDACTED] to S [PHONE REDACTED] to S [PHONE REDACTED] to S [PHONE REDACTED] to S [PHONE REDACTED] to S [PHONE REDACTED] to S [PHONE REDACTED] to S er Collection Sys sto WW Collection Sy rovement P ed based on y. Table 6-3 a oject numbe iptions and lo Table egment End Manhole)1 SMH3303090704 SSMH050409130 SSMH050409130 SSMH190309152 SSMH050409120 SSMH300309071 SSMH060409160 SSMH290309131 SSMH290309141 SSMH330309061 SSMH170309131 stem Condition ystem\Report\Mode Plan the type of d and Figure 6 r contains “A ocation maps e 6-3. Summary Recommen Method o Repair 4 CIPP 06 07 CIPP 21 CIPP 02 CIPP 12 Sliplining/CI 04 Sliplining o CIPP 10 CIPP 16 CIPP 18 CIPP 16 CIPP TOT Assessment Re 6-6 esto WW Collection S efect, repair/ -2 summariz or s of each ind y of Sewer Rehab ded of Pipe Sizes (in) 16 - 30 24 - 33 18 SUB 30 IPP3 18 - 54 SUB or 54 - 60 18 27 SUB 21 – 27 30 SUB TAL 10-YEAR CAPIT eport System Condition As /rehabilitatio ze recommen as a designa dividual proje bilitation Costs Trunk(s) or Tributaries Santa Rosa Rose/Celeste Sutter South Emerald Northwest B-TOTAL OF PR Crows Landing South West Emerald South B-TOTAL OF PR West Sutter Downtown B-TOTAL OF PR Downtown Emerald Northeast B-TOTAL OF PR TAL IMPROVEMEN ssessment Report_ on method, s nded projects ation represe ect are provid s Total Length (ft) 8,815 2,210 2,955 ROJECT COSTS = 5,621 7,503 ROJECT COSTS = 24,882 374 3,288 ROJECT COSTS = 1,799 110 ROJECT COSTS = NT PLAN COST = Sec Draft_02-01-2016.d size of pipe, s and their pr enting the pri ded in Appen Capital Co $5,564,0 $1,518,0 $1,566,0 $8,648,0 $3,813,0 $4,354,0 (Sliplining/ $4,466,000 (C $8,167,0 (Sliplining/ $8,279,000 (C $18,122,0 (Sliplining O $26,373,000 (C $379,00 $2,062,0 $20,563,0 (Sliplining/ $28,814,000 (C $1,508,0 $320,00 $1,828,0 $39,206,0 (Sliplining/ $47,569,000 (C ction 6 docx riority iority dix I. osts2 000 000 000 000 000 000 CIPP) IPP Only) 000 CIPP) IPP Only) 000 Only) CIPP Only) 00 000 000 CIPP) CIPP Only) 000 00 000 000 CIPP) CIPP Only) ---PAGE BREAK--- City of Mod P:\14700 Project No. (S Notes: 1See Figure ES-6 2Costs are for pl 3Sliplining rehab sliplining and CIP esto Wastewate 00\147759 - Modes Project Se tart Manhole to 6 for extents of pr anning purposes bilitation methods PP or CIPP only. er Collection Sys sto WW Collection Sy Table egment End Manhole)1 roject. only and were de s considered for a stem Condition ystem\Report\Mode e 6-3. Summary Recommen Method o Repair eveloped based o all pipe diameters Assessment Re 6-7 esto WW Collection S y of Sewer Rehab ded of Pipe Sizes (in) n rehabilitation p 36 inches or larg eport System Condition As bilitation Costs Trunk(s) or Tributaries projects completed ger. Project costs ssessment Report_ s Total Length (ft) d within the past were calculated Sec Draft_02-01-2016.d Capital Co five years. with a combinatio ction 6 docx osts2 on of ---PAGE BREAK--- P:\14700 Sectio Add During th are not a addresse 7.1 Ad There are Condition Sewers co locations as old as recomme represent can also 7.2 Ma The follow into a Cap and/or pr Ma SSMH33030 SSMH05040 SSMH05040 SSMH23030 SSMH21030 SSMH32030 DRAFT for review p 00\147759 - Modes on 7 dition e investigatio priority relat ed by City staf dditional e several unli n Assessment onsist of unli upstream of the other pip ended. At a m tative sample help identify anhole R wing five man pital Improve roximity to se nhole ID 090709 091106 091203 091620 090405 090907 purposes only. Use o sto WW Collection Sy nal R on there wer tive to the reh ff. Pipeline ned RCP rea t program. Th ined RCP tha f major pump pes within th minimum, Pol es if CCTV ca reaches that Rehabilita nholes requir ement Projec evere –rated Tabl Trunk Cannery Segreg Ceres Ceres Lakewood Non-Trunk Sutter of contents on this s ystem\Report\Mode Recom e some addit habilitation p e Inspecti aches that sh he Rumble, S at were not se p stations an e City’s syste eCam photog annot be perf t further inve ation/Re re rehabilitat t or current C pipes. These e 7-1. Additiona gation Manhole f 41 inches manhole p Hole for b Reinforce aggregate Penetratio determina estimate a corroded Reinforce spalling. Walls spa lower wall Brick cove deteriorat the manh visible. 7-1 sheet is subject to th esto WW Collection S mme tional concer projects ident ions ould be furth Sonoma, and elected for in d their age. A em, additiona graphs may b formed along estigation will eplaceme ion or replac City emergen e manholes a al Manholes for Assessm full of grease and s from rim. Reinfor projecting and cor olt stripped out. M ment visible and c e projecting. on test and hamm ation of severe cor approximately 3 in reinforcement obs ment visible and p lling with reinforce l. Projecting aggre ered with cementit ting with brick exp ole. Missing brick he limitations specif System Condition As endat rns that shou tified in Sect her explored d upper portio nspection und Although thes al inspection be taken on t g the entire tr l be warrante ent cement. They ncy repair pro are listed in T r Rehabilitation ment surcharged to hei rcement within rroded. Manhole surcharge corroded in wall a mer test resulted in rrosion. Sediment nches. Missing wa served. projecting. Heavy ement visible in th egate in the chimn tious coating. Coa posed in lower half k with void and soil fied at the end of thi ssessment Report_ tions uld be addres ion 6, but sh as part of th ons of Lakew der this proje se trunk sew along these trunk manho runk. PoleCa ed. y are currentl ojects due to Table 7-2. Re ight of Rehabilita ed. nd Rehabilita n t all and Rehabilita Rehabilita he ney. Perform s rehabilita ating f of l Rehabilita is document. Draft_02-01-2016.d s ssed. These ould be e Trunk Sew wood Trunk ect due to the wers may not trunks is oles to obtain m photograp y not groupe their locatio ecommendation ate soon. ate soon. ate soon. ate immediately. pot repairs or ate soon. ate immediately. docx items er eir be n phs ed n ---PAGE BREAK--- City of Mod P:\14700 Manholes rehabilita recomme inspected esto Wastewate DRAFT for review p 00\147759 - Modes s SSMH2303 ation. The rem ended that th d. er Collection Sys purposes only. Use o sto WW Collection Sy 3091620 and maining man he manholes stem Condition of contents on this s ystem\Report\Mode d SSMH3203 holes are rec and pipes w Assessment Re 7-2 sheet is subject to th esto WW Collection S 3090907 are commended ithin the vicin eport he limitations specif System Condition As e recommen for repair/re nity of the ma fied at the end of thi ssessment Report_ ded for imme ehabilitation s anholes liste Sec is document. Draft_02-01-2016.d ediate soon. It is ed above also ction 8 docx o be ---PAGE BREAK--- P:\14700 Sectio Lim This docu the time t and Brow work auth regulatory instructio have mad informatio DRAFT for review p 00\147759 - Modes on 8 mitati ument was pr the services wn and Caldw horized by Cit y authorities ons provided de no indepe on. purposes only. Use o sto WW Collection Sy ons repared sole were perform well dated Ma ty of Modesto contemplate by City of Mo endent invest of contents on this s ystem\Report\Mode ly for City of M med and in ac arch 24, 201 o; it is not int ed by the sco odesto and ot tigation as to 8-1 sheet is subject to th esto WW Collection S Modesto in a ccordance w 5. This docum tended to be ope of work. W ther parties a o the validity, he limitations specif System Condition As accordance w with the contr ment is gove e relied upon We have relie and, unless o completenes fied at the end of thi ssessment Report_ with professio act between erned by the s by any other ed on inform otherwise ex ss, or accura is document. Draft_02-01-2016.d onal standard City of Mode specific scop r party except ation or pressly indic acy of such docx ds at esto pe of t for ated, ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- P:\14700 Sectio Ref Feeney, C.S System Merrill, M.S Enviro National As Progra Nelson, R.E Perfor University o Davis, DRAFT for review p 00\147759 - Modes on 9 feren Thayer, B ms, U.S. Enviro Lukas, Pa onment Resear ssociation of S am, Version 6.0 Hsuing, P.H rmance, Americ of California - D Statewide Inte purposes only. Use o sto WW Collection Sy nces Bonomo, M nmental Protec almer, R.N., an ch Foundation ewer Service C 0.1, NASSCO, O and Witt, A.A can Society of C Davis, Sewer Li egrated Pest M of contents on this s ystem\Report\Mode Martel, White ction Agency, 2 nd Hahn, M.A., (WERF), 2004 Companies (NA Owings Mills, M Optimization Civil Engineers ine Root Contro Management Pr 9-1 sheet is subject to th esto WW Collection S e Paper on Con 2009. Development o 4. ASSCO), NASSC MD, November 2 n of Collection S s and U.S. Envir ol, Section 2, “ roject, Pesticide he limitations specif System Condition As ndition Assessm of a Tool to Prio CO Pipeline Ass 2010, Page nu System Mainte ronmental Prot “Roots in Sewe e Education Pr fied at the end of thi ssessment Report_ ment of Waste oritize Sewer In sessment and C umbers 1-362. enance Frequen tection Agency ers”, University rogram, 1996, is document. Draft_02-01-2016.d water Collectio nspections, Wa Certification ncies and Syst , 1999. of California – Pages 9 - 20. docx on ater tem ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- City of Mod P:\14700 Appe esto Wastewate DRAFT for review p 00\147759 - Modes endix A: er Collection Sys purposes only. Use o sto WW Collection Sy : Projec stem Condition of contents on this s ystem\Report\Mode ct Pipes Assessment Re A-1 sheet is subject to th esto WW Collection S s and M eport he limitations specif System Condition As Manhole fied at the end of thi ssessment Report_ es is document. Draft_02-01-2016.docx ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- City of Mod P:\14700 Appe Repo . esto Wastewate DRAFT for review p 00\147759 - Modes endix B: orts er Collection Sys purposes only. Use o sto WW Collection Sy : Panor stem Condition of contents on this s ystem\Report\Mode ramo an Assessment Re B-1 sheet is subject to th esto WW Collection S nd CCT eport he limitations specif System Condition As TV Pipe fied at the end of thi ssessment Report_ Inspec is document. Draft_02-01-2016.d ction docx ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- City of Mod P:\14700 Appe Photo . esto Wastewate DRAFT for review p 00\147759 - Modes endix C: ograph er Collection Sys purposes only. Use o sto WW Collection Sy Manho s stem Condition of contents on this s ystem\Report\Mode ole Insp Assessment Re C-1 sheet is subject to th esto WW Collection S pection eport he limitations specif System Condition As n Forms fied at the end of thi ssessment Report_ s and is document. Draft_02-01-2016.docx ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- City of Mod P:\14700 Appe Summ esto Wastewate DRAFT for review p 00\147759 - Modes endix D: mary er Collection Sys purposes only. Use o sto WW Collection Sy : Pipeli stem Condition of contents on this s ystem\Report\Mode ne and Assessment Re D-1 sheet is subject to th esto WW Collection S Manho eport he limitations specif System Condition As ole Ass fied at the end of thi ssessment Report_ sessme is document. Draft_02-01-2016.d nt docx ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- City of Mod P:\14700 Appe esto Wastewate DRAFT for review p 00\147759 - Modes endix E: er Collection Sys purposes only. Use o sto WW Collection Sy Struct stem Condition of contents on this s ystem\Report\Mode ural As Assessment Re E-1 sheet is subject to th esto WW Collection S ssessm eport he limitations specif System Condition As ent Ma fied at the end of thi ssessment Report_ aps is document. Draft_02-01-2016.docx ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- City of Mod P:\14700 Appe esto Wastewate DRAFT for review p 00\147759 - Modes endix F: er Collection Sys purposes only. Use o sto WW Collection Sy Operat stem Condition of contents on this s ystem\Report\Mode tional A Assessment Re F-1 sheet is subject to th esto WW Collection S Assessm eport he limitations specif System Condition As ment M fied at the end of thi ssessment Report_ Maps is document. Draft_02-01-2016.docx ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- City of Mod P:\14700 Appe esto Wastewate DRAFT for review p 00\147759 - Modes endix G: er Collection Sys purposes only. Use o sto WW Collection Sy : PICA S stem Condition of contents on this s ystem\Report\Mode Shacke Assessment Re G-1 sheet is subject to th esto WW Collection S elford S eport he limitations specif System Condition As Siphon R fied at the end of thi ssessment Report_ Report is document. Draft_02-01-2016.docx ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- City of Mod P:\14700 Appe esto Wastewate DRAFT for review p 00\147759 - Modes endix H: er Collection Sys purposes only. Use o sto WW Collection Sy : Lift St stem Condition of contents on this s ystem\Report\Mode tation In Assessment Re H-1 sheet is subject to th esto WW Collection S nspecti eport he limitations specif System Condition As ion For fied at the end of thi ssessment Report_ ms is document. Draft_02-01-2016.docx ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- City of Modesto Lift Station Condition Assessment Form 1 1. LIFT STATION NAME: Woodland Lift Station 2. DATE: December 1, 2015 3. TIME: 10:00 am to 12:30 pm 4. CONSULTANT STAFF: Bernadette Visitacion and Tim Banyai 5. DISTRICT STAFF: Miguel Alvarez, David Felix, and Pete Kambel Background Information NOTE: SEE INVENTORY FORM FOR BACKGROUND INFORMATION Pump Equipment Summary NOTE: SEE INVENTORY FORM FOR EQUIPMENT NOT LISTED HERE Pump Information Pump 1 Pump 2 Pump 3, 4 and 5 Capacity, gpm 2,000 3,500 4,500 Manufacturer Wemco Wemco Wemco Motor Configuration Horizontal Horizontal Horizontal ---PAGE BREAK--- City of Modesto Lift Station Condition Assessment Form 2 Site NOTE: SEE INVENTORY FORM FOR SITE INFORMATION NOT LISTED HERE Access 58. General Condition Rating 1 2 3 4 5 - Repaving 59. General Functionality Rating 1 2 3 4 5 – Tight/limited access Turf / Landscaping 60. General Condition Rating 1 2 3 4 5 61. General Functionality Rating 1 2 3 4 5 Future Expansion Area 62. Space available for future expansion Y N Building Structure Superstructure Building 63. General Condition Rating 1 2 3 4 5 - Dry well is in good condition. Condition of wet well appears to be in poor condition. Further investigation needed. 64. General Functionality Rating 1 2 3 4 5 – Access to wet well limited due to corroding stair and handrail, limited ventilation, and no lighting. Criteria Comments 65. Exterior wall condition 1 2 3 4 5 66. Interior wall condition 1 2 3 4 5 67. Exterior finish condition 1 2 3 4 5 68. Interior finish condition 1 2 3 4 5 69. Equipment finish condition 1 2 3 4 5 70. Roof condition 1 2 3 4 5 71. Door condition 1 2 3 4 5 72. Window condition 1 2 3 4 5 73. Pipe support condition 1 2 3 4 5 74. Grating condition 1 2 3 4 5 75. Layout OK for equipment access Y N Wet Well 76. General Condition Rating 1 2 3 4 5 77. General Functionality Rating 1 2 3 4 5 Criteria Comments 78. Top slab condition 1 2 3 4 5 N/A 79. Interior wall condition 1 2 3 4 5 80. Hatchway condition 1 2 3 4 5 N/A ---PAGE BREAK--- City of Modesto Lift Station Condition Assessment Form 3 81. Hatchway accessible Y N N/A Pumps, Valves and Piping Suction Piping and Valve(s) 82. General Condition Rating 1 2 3 4 5 83. General Functionality Rating 1 2 3 4 5 Criteria Comments 84. Velocity < 8 fps Y N 85. At least 5 pipe diameters straight run to pump from last fitting Y N 86. No air entrainment problems Y N 87. No loss of pump prime Y N N/A Pump 88. General Condition Rating 1 2 3 4 5 89. General Functionality Rating 1 2 3 4 5 Criteria Comments Pump 90. Pumps performing near rated capacity Y N 91. Seals functional Y N 92. Seal water system functional Y N N/A 93. Pump parts available Y N Motor 94. High efficiency Y N Not known 95. Over-temperature protection Y N Not known ---PAGE BREAK--- City of Modesto Lift Station Condition Assessment Form 4 Discharge Piping and Valve(s) 96. General Condition Rating 1 2 3 4 5 97. General Functionality Rating 1 2 3 4 5 Criteria Comments Discharge Valve 98. Accessible for operation and maintenance Y N 99. Horizontal Y N Check Valve 100. Accessible for operation and maintenance Y N 101. Horizontal Y N Flow Meter 102. Reliable output Y N N/A 103. Sufficient straight run Y N N/A Piping 104. Evidence of corrosion Y N None from exterior. Difficult to inspect interior. 105. Evidence of leaks Y N 106. Hydraulic transient effects Y N N/A Pump Connections 107. Isolation from piping strains Y N 108. Restrained in accordance with Hydraulic Institute standards Y N Back-up Power NOTE: SEE INVENTORY FORM FOR BACK-UP POWER INFORMATION NOT LISTED HERE 109. General Condition Rating 1 2 3 4 5 110. General Functionality Rating 1 2 3 4 5Comments Only sized for 3 pumps. Criteria Comments 111. Generator size sufficient for pumps and auxiliary equipment Y N 112. Fuel tank sized for 24 hour operation Y N Not known 113. Fuel tank spill containment provisions Y N 114. Outdoor panel location area satisfactory for portable generator Y N N/A 115. Transfer switch condition satisfactory Y N ---PAGE BREAK--- City of Modesto Lift Station Condition Assessment Form 5 Electrical – Power 116. General Condition Rating 1 2 3 4 5 117. General Functionality Rating 1 2 3 4 5 Comments Criteria Comments MCCs 118. Condition satisfactory Y N Location not suitable. Reaching the end of its useful life. 119. Parts available Y N Lighting 120. Suitable for electrical classification Y N Electrical – Controls NOTE: SEE INVENTORY FORM FOR CONTROLS INFORMATION NOT LISTED HERE 121. General Condition Rating 1 2 3 4 5 122. General Functionality Rating 1 2 3 4 5 Comments Criteria Comments Level Controls 123. Sensors reliable Y N Only one set of Hydrorangers on backup power and Hydroranger only capable of connecting to three pumps maximum. 124. Parts available Y N VFDs 125. Parts available Y N N/A 126. Controls stable Y N N/A ---PAGE BREAK--- City of Modesto Lift Station Condition Assessment Form 6 Heating and Ventilation Equipment 127. General Condition Rating 1 2 3 4 5 128. General Functionality Rating 1 2 3 4 5 Comments Ventilation in wet well inadequate, no powered “fresh-air” provided. Criteria Comments Wet Well Ventilation 129. Mechanical ventilation provided Y N No “fresh-air” supply. 130. Separate from dry well Y N Dry Well Ventilation 131. Mechanical ventilation provided Y N 132. Gas detection equipment Y N 133. Ventilation requirements meet NFPA 820 Y N Dehumidification 134. Effective Y N Heating 135. Effective Y N N/A Odor Control Facilities NOTE: SEE INVENTORY FORM FOR CONTROLS INFORMATION NOT LISTED HERE 136. General Condition Rating 1 2 3 4 5 137. General Functionality Rating 1 2 3 4 5 Soil media has not been replaced in 20- years of operation. Criteria Comments 138. No objectionable odors Y N Biofilter must be operating properly with adequate moisture. 139. Accessible for maintenance Y N 140. Reasonable operational cost Y N Auxiliary Equipment – Hoists NOTE: SEE INVENTORY FORM FOR HOIST INFORMATION NOT LISTED HERE 141. General Condition Rating 1 2 3 4 5 142. General Functionality Rating 1 2 3 4 5 Criteria Comments 143. Hoist load tested within 10 years Y N 144. Hoists arrangement and location sufficient for required maintenance Y N ---PAGE BREAK--- City of Modesto Lift Station Condition Assessment Form 7 Auxiliary Equipment – Bar Screen – N/A NOTE: SEE INVENTORY FORM FOR BAR SCREEN INFORMATION NOT LISTED HERE 145. General Condition Rating 1 2 3 4 5 146. General Functionality Rating 1 2 3 4 5 Criteria Comments 147. Pump damage or pipe blockage due to lack of screening Y N 148. Adequate provisions for screenings removal from building Y N Safety Issues 149. Materials Handling 150. Chemical Exposure 151. Hydrogen Sulfide Exposure 152. Traffic Control 153. Confined Space 154. Other Limited access to wet well due to corroding handrails and stairs, inadequate air exchange, and limited lighting. 155. Other Maintenance Issues: 156. Comments: Rating Criteria (1 best to 5 worst) General Condition Rating 1 New or nearly-new equipment or structure. 2 Well maintained, like-new condition of equipment or structure. 3 Visible degradation of equipment or structure. 4 Equipment or structure integrity compromised by corrosion and wear. 5 Equipment or structure integrity severely compromised by corrosion and wear. Possible imminent failure. General Functionality Rating 1 Structure or equipment functions better than other similar structures or equipment. 2 Structure or equipment functions as intended. 3 Structure or equipment is in service but maintenance or operational requirements are excessive. 4 Structure or equipment is in service but function is highly impaired. 5 Structure or equipment is not currently functioning for its intended use. ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- City of Modesto Lift Station Condition Assessment Form 1 1. LIFT STATION NAME: Woodland Lift Station 2. ADDRESS: Northeast corner of Woodland Avenue and Poust Road Background Information 3. Year Built 1968 4. Year of 1st Rehabilitation 1992 5. Scope of Rehabilitation: Pumps and electrical 6. Year of 2nd Rehabilitation 7. Scope of Rehabilitation: 8. Pump Station Type Submersible Concrete Wet Well/Dry Well Steel Dry Well / Concrete Wet Well Self Priming Pumps Above Concrete Wet Well Other: Pump Equipment 9. Pump 1 16. Pump 2 23. Pump 3, 4 and 5 30. Pump 4 Pump Type Vertical Dry Centrifugal Submersible Self Priming Other Vertical Dry Centrifugal Submersible Self Priming Other Vertical Dry Centrifugal Submersible Self Priming Other Vertical Dry Centrifugal Submersible Self Priming Other Pump Manufacturer 10. Wemco 17. Wemco 24. Wemco 31. Pump Model 11. 18. 25. 32. Design Flow (nameplate) 12. 2,000 gpm 19. 3,500 gpm 26. 4,500 gpm 33. Design TDH (nameplate) 13. 20. 27. 34. Motor Horsepower 14. 21. 28. 35. Date Installed 15. 22. 29. 36. ---PAGE BREAK--- City of Modesto Lift Station Condition Assessment Form 2 Site/Building Criteria Comments 37. Station accessible by boom truck Y N 38. 39. Security (fences and gates) Y N 40. Only chain link fence. Recently security has not been an issue. In 1999, a break-in occurred resulting in flooding of the dry pit. 41. Turnaround provided Y N 42. Limited. 43. Bollard protection Y N of critical structures 44. Around generator and load bank. 45. Drainage sufficient Y N 46. In general drainage is sufficient, except area between buildings where equipment storage occurs and covering not available between buildings. This area is flat. 47. Snow removal provision Y N 48. N/A 49. Space available for future expansion Y N 50. 51. Fire break (defensible space) Y N 52. Near homes. 53. Landscaping Y N 54. Landscaping on biofilter and surrounding screening of neighboring homes. 55. Building Roof Type 56. Flow Bypass 57. Gravity Bypass Capability Y N Description 58. Portable Pump Bypass Capability Y N Description Needs to pump from manhole to manhole and requires shut down of Woodland Avenue. Back-up Power 59. Back-up Power None Redundant Power Service Emergency Generator 60. Generator Location On-site Portable (quick connect) Portable (no quick connect) 61. Generator Startup Manual Automatic Alarms Criteria Comments 62. Remote transmission of alarms Y N 63. 64. Alarm signals on building exterior Y N 65. 66. Fire Alarm Y N 67. ---PAGE BREAK--- City of Modesto Lift Station Condition Assessment Form 3 68. Intruder Alarm Y N 69. 70. Power Failure Alarm Y N 71. 72. Pump Failure Alarm Y N 73. 74. Other Alarm Y N 75. Wet well level, generator failure, dry well level alarm, communication failure Pump Controls 76. Level Sensor: Bubbler Floats Ultrasonic Other 77. Level Sensor Redundancy Y N 78. Pump Start: Constant Speed Variable Speed 79. Operation: Lead/Lag Duty/Standby Other __Alternate pump control in addition to Force Main – Not part of Scope of Work 80. Diameter (in.) 81. Material 82. ARV 83. CAV 84. Surge Control System Other: 85. Odor Control Facilities None Activated Carbon Chemical Addition using Other__Biofilter (Soil 86. Hoists None Monorail Hoist 87. Bar Screen None Trash rack (manual clean) Automatic bar screen Muffin Monster 88. Flow Meter None Ultrasonic Mag Other 89. Wet Well Isolation None Sluice Gate Operator Slide Gates Stop Logs 90. Dry Well Sump Pumps None Single Duplex 91. Wet Well Protection None Lining Coating ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- City of Mod P:\14700 Appe esto Wastewate DRAFT for review p 00\147759 - Modes endix I: er Collection Sys purposes only. Use o sto WW Collection Sy Capital stem Condition of contents on this s ystem\Report\Mode l Impro Assessment Re I-1 sheet is subject to th esto WW Collection S ovemen eport he limitations specif System Condition As nt Proje fied at the end of thi ssessment Report_ ect Desc is document. Draft_02-01-2016.d cription docx ns ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- Proj This proje Dr. Reach Sewer an the Rose/ Creek and main was PoleCam also ident SSMH280 were obse The estim US SSMH27 SSMH27 SSMH27 SSMH27 SSLS270 SSMH28 ect: A ect starts at S hes from SSM d range from /Celeste trun d into the Th s also include data at the n tified modera 03090810 to erved. mated projec SMH 03090115 03090501 03090503 03090522 03090501 03090806 A-1 Trun Seg Con Cap SSMH27030 MH2703090 m 16 inches t nk sewers tha ousand Oaks ed. From the north of end ate to severe o SSMH2803 ct cost is bas DSM SSMH2703 SSMH2703 SSMH2703 SSLS27030 SSMH2803 SSMH2803 nk Sewer: R ment: THO struction C ital Cost: 090115 on S 115 to SSMH to 30 inches at were repla s Lift Station. lift station, t of the projec e reaches alo 3091222, w sed on CIPP. MH 3090501 3090503 3090522 090501 3090810 3090809 ROSE CELE USAND OA Cost: $4 $5 cenic Dr and H27030905 in diameter. aced in 2007 . For budgeti he pipe diam ct identified p ong this proje here a hole a . Rehabilitat Diameter, in 24 16 30 30 16 18 ESTE AND S KS LIFT ST ,278,000 ,564,000 d ends at SSM 22 are part o These sewe 7. The project ng purposes meters range pipe in severe ect. Urgent re and visible an e 31 manho Reach Length, ft 133 266 137 36 1,306 134 SANTA ROS TATION TO O MH3303090 of the Rose/C rs are locate t then contin s, rehabilitatio from 16 inch e condition. C epairs are rec nd corroded les. Rehab Method CIPP CIPP CIPP CIPP CIPP CIPP A OREGON DR 0704 on Oreg Celeste Trun d ues below D on of the forc hes to 30 inc CCTV inspect commended reinforceme Note ROSE/CEL R/C--D R/C R/C SANTA ROS RIVE gon k m of ry ce ches. tions from nt es LESTE DIP SA--DIP ---PAGE BREAK--- USMH DSMH Diameter, in Reach Length, ft Rehab Method Notes SSMH2803090809 SSMH2803090810 18 26 CIPP SSMH2803090810 SSMH2803090811 24 110 CIPP SANTA ROSA SSMH2803090811 SSMH2803091222 24 369 CIPP SSMH2803091222 SSMH2803091221 24 361 CIPP SSMH2803091221 SSMH2803091219 24 154 CIPP SSMH2803091219 SSMH2803091216 24 169 CIPP SSMH2803091216 SSMH2803091215 24 421 CIPP SSMH2803091215 SSMH2803091611 24 421 CIPP SSMH2803091611 SSMH2803091609 30 86 CIPP SSMH2803091609 SSMH2803091608 30 316 CIPP SSMH2803091608 SSMH2803091623 30 341 CIPP SSMH2803091623 SSMH2803091629 30 693 CIPP SSMH2803091629 SSMH3303090406 30 380 CIPP SSMH3303090406 SSMH3303090404 30 79 CIPP SSMH3303090404 SSMH3303090401 30 258 CIPP SSMH3303090401 SSMH3303090402 30 307 CIPP SSMH3303090402 SSMH3303090301 30 170 CIPP SSMH3303090301 SSMH3303090403 30 492 CIPP SSMH3303090403 SSMH3303090707 30 426 CIPP SSMH3303090707 SSMH3303090701 30 257 CIPP SSMH3303090701 SSMH3303090708 30 200 CIPP SSMH3303090708 SSMH3303090702 30 123 CIPP SSMH3303090702 SSMH3303090703 30 319 CIPP SSMH3303090703 SSMH3303090704 24 327 CIPP TOTAL 8,815 ---PAGE BREAK--- Proj This proje 24 inches SSMH060 inspectio PoleCam from the s condition recomme was form the inspe The estim US SSMH06 SSMH06 SSMH06 SSMH06 SSMH06 ect: A ect consists o s to 33 inche 04091603B ns data on the south toward . The South T ended that th ed within the ection data an mated projec SMH 604091603 604091603A 04091603B 604091603C 04091603D A-2 Tru Seg Con Cap of trunk sewe es. Reinforce to SSMH060 am of this re South Trunk ds the Sutter Trunk siphon he siphon be e treatment p nd age of the ct cost is bas DSM SSMH0604 SSMH0604 SSMH0604 SSMH0604 SSMH050 nk Sewer: gment: SUT nstruction pital Cost: ers entering t ment corrode 04091603C ach could no sewers (SSM Treatment P n was include inspected ba plant area to e sewers. sed on CIPP. MH 4091603A 4091603B 4091603C 4091603D 04091306 SUTTER AN TTER TP AN Cost: $1 $1 the Sutter Tre ed with some , which is loc ot be achieve MH0804090 Plant, identifi ed in this proj ased on man encompass . Rehabilitat Diameter, in 24 24 24 24 24 ND SOUTH ND TUOLUM 1,167,000 1,518,000 eatment Plan e missing wa cated on the ed. 103 to SSMH ed pipes tha ject for budg hole PoleCam the trunk sew e 12 manho Reach Length, ft 71 335 38 65 245 MNE RIVER nt. Pipe diam all was observ Sutter Trunk H05040913 at in moderat geting purpos m data. Ther wers in the v les. Rehab Method CIPP CIPP CIPP CIPP CIPP CROSSING meters range ved on Reach k. Complete 07), extende te to severe i ses. It is refore, a proje vicinity based b d Not SUTT “ “ “ “ G from h ed n ect d on tes TER ---PAGE BREAK--- USMH DSMH Diameter, in Reach Length, ft Rehab Method Notes SSMH0804090103 SSMH0804090102 24 418 CIPP SOUTH SSMH0804090102 SSMH0804090101 33 570 CIPP “ SSMH0804090101 SSMH0504091303 33 208 CIPP “ SSMH0504091303 SSMH0504091307 33 259 CIPP “ TOTAL 2,210 ---PAGE BREAK--- Proj The proje on Haney inch diam SSMH190 recomme ages of th The estim US SSMH19 SSMH19 SSMH19 SSMH19 SSMH19 SSMH19 SSMH19 SSMH19 SSMH19 ect: A ect starts at S y Ave. The pro meter pipes. 03091003 w ended for urg he neighborin mated projec SMH 903091002 903091003 903091015 903091011 903091004 903091007 903091401 903091501 903091502 A-3 Tru Seg Con Cap SSMH190309 oject is locate Inspection w where roots g gent repair. T ng pipes. ct cost is bas DSM SSMH1903 SSMH1903 SSMH1903 SSMH1903 SSMH1903 SSMH1903 SSMH1903 SSMH1903 SSMH1903 nk Sewer: gment: CAR nstruction pital Cost: 901002 on W ed on Emera was complete growing throu he project wa sed on CIPP. MH 3091003 3091015 3091011 3091004 3091007 3091401 3091501 3091502 3091503 EMERALD RVER ROAD Cost: $1 $1 W Roseburg A ld North Wes ed on Reach S ugh the RCP b as extended . Rehabilitat Diameter, in 18 18 18 18 18 18 18 18 18 NORTH WE D AND 9TH S 1,204,000 1,566,000 Ave and exte st tributary p SSMH19030 barrel were o to the south te 11 manho Reach Length, ft 448 37 81 332 393 58 449 500 316 EST TRIBUT ST ends to SSMH ipelines and 091002 to observed. Th of this reach oles. Rehab Method 8 CIPP 7 CIPP 1 CIPP 2 CIPP 3 CIPP 8 CIPP 9 CIPP 0 CIPP 6 CIPP TARY H19030915 consists of 1 is pipe is h based on s b d Not 01 18- imilar tes ---PAGE BREAK--- USMH DSMH Diameter, in Reach Length, ft Rehab Method Notes SSMH1903091503 SSMH1903091521 18 343 CIPP TOTAL 2,955 ---PAGE BREAK--- Proj The upstr where it t The proje Pipeline i visible su taken ups observed along the The estim US SSMH08 SSMH08 SSMH08 SSMH08 SSMH08 SSMH08 ect: B ream end of t then turns so ect pipes cons nspection wa rface reinfor stream of the . Further pipe e remainder o mated projec SMH 804091201 804090806 804090807 804090801 804090406 804090405 B-1 Tru Seg Cap Cos the project st outh onto Spo sist of 30-inc as completed rcement and e reach on SS e investigatio of the project ct cost is bas DSM SSMH0804 SSMH0804 SSMH0804 SSMH0804 SSMH0804 SSMH0804 nk Sewer: gment: GLE pital sts: tarts at SSM okane St. The ch diameter R d on Reach S missing aggr SMH050409 ons are recom t. sed on CIPP. MH 4090806 4090807 4090801 4090406 4090405 4090404 CROWS LA ENN AVENU $2 $3 H05040912 e project end RCP and belo SSMH050409 regate was o 91204 where mmended in . Rehabilitat Diameter, in 30 30 30 30 30 30 ANDING SO UE TO TUOL ,933,000 ,813,000 204 and trave ds on E Glenn ong to the Cr 91502 to SS observed. Pol e pipe in pote the vicinity o e 20 manho Reach Length, ft 438 421 429 371 370 497 UTH TRIBU LUMNE RIV erses down t n Ave at SSM rows Landing SMH050409 leCam photo entially sever of SSMH050 les. t Rehab Metho 8 CIPP 1 CIPP 9 CIPP 1 CIPP 0 CIPP 7 CIPP UTARY ER to E Hatch Rd MH08040912 g South tribut 1207, where graphs were re condition w 4091204 an b od Not d 201. tary. e also was nd tes ---PAGE BREAK--- USMH DSMH Diameter, in Reach Length, ft Rehab Method Notes SSMH0804090404 SSMH0504091605 30 160 CIPP SSMH0504091605 SSMH0504091604 30 113 CIPP SSMH0504091604 SSMH0504091603 30 133 CIPP SSMH0504091603 SSMH0504091602 30 331 CIPP SSMH0504091602 SSMH0504091601 30 167 CIPP SSMH0504091601 SSMH0504091504 30 404 CIPP SSMH0504091504 SSMH0504091503 30 350 CIPP SSMH0504091503 SSMH0504091502 30 53 CIPP SSMH0504091502 SSMH0504091207 30 567 CIPP SSMH0504091207 SSMH0504091206 30 217 CIPP SSMH0504091206 SSMH0504091205 30 213 CIPP SSMH0504091205 SSMH0504091204 30 220 CIPP SSMH0504091204 SSMH0504091202 30 166 CIPP TOTAL 5,621 ---PAGE BREAK--- Proj The proje traverses 18-inch to during ins The estim verified d US SSMH250 SSMH250 SSMH250 SSMH250 SSMH250 SSMH250 SSMH250 ect: B ect starts at S s east along W o 54-inch dia spection incl mated projec during predes SMH 03080105 03080106 03080204 03080301 03080304 03080402 03080432 B-2 Tru Seg Con Cap SSMH250308 Woodland Av ameter RCP. uded visible ct cost is bas sign. Rehab DSMH SSMH25030 SSMH25030 SSMH25030 SSMH25030 SSMH25030 SSMH25030 SSMH25030 nk Sewer: gment: WO nstruction pital Cost: 80105 at the enue and en Four reaches reinforcemen sed on CIPP ilitate 20 ma H D 80107 80204 80301 80304 80402 80432 80405 WEST AND ODLAND AV Cost: $3 $3 $4 $4 e intersection nds at SSMH3 s were inspec nt with some and sliplinin anholes. iameter, in 54 18 18 27 27 27 27 D EMERALD VE TO HWY ,348,000 ,434,000 ,354,000 ,466,000 n of Woodlan [PHONE REDACTED] cted within t e areas of pro ng (one reach Reach Length, ft 66 1,062 920 659 151 269 236 D SOUTH TR Y 99 @ N. E (CIPP and (CIPP only (CIPP and (CIPP only nd Ave and M 2. The pipes his project. O ojecting reinf but hydra Rehab Method Slipline CIPP CIPP CIPP CIPP CIPP CIPP RIBUTARY EMERALD A Slipline) ) Slipline) ) Mercy Ave, the are comprise Observations forcement. aulics must b Note WES AVE en ed of be es ST ---PAGE BREAK--- USMH DSMH Diameter, in Reach Length, ft Rehab Method Notes SSMH2503080405 SSMH2503080408 27 621 CIPP SSMH2503080408 SSMH3003090112 27 53 CIPP SSMH3003090112 SSMH3003090101 27 12 CIPP SSMH3003090101 SSMH3003090113 27 30 CIPP SSMH3003090113 SSMH3003090102 27 617 CIPP SSMH3003090102 SSMH3003090103 27 202 CIPP SSMH3003090103 SSMH3003090104 27 247 CIPP SSMH3003090104 SSMH3003090105 27 153 CIPP SSMH3003090105 SSMH3003090201 27 481 CIPP SSMH3003090201 SSMH3003090202 27 717 CIPP SSMH3003090202 SSMH3003090203 27 473 CIPP SSMH3003090203 SSMH3003090712 27 533 CIPP TOTAL 7,503 ---PAGE BREAK--- Proj This proje SSMH060 complete continuou inches in The estim predesig US SSMH250 SSMH250 SSMH250 SSMH250 SSMH250 SSMH360 ect: C ect consists o 04091604 a ed on the maj us projecting diameter. mated projec n. Rehabilita SMH 03080107 03080113 03080603 03080606 03081001 03080101 C-1 Tru Seg Con Cap of the West T at the Sutter T jority of this p g and missing ct cost is bas ate 26 manh DSMH SSMH25030 SSMH25030 SSMH25030 SSMH25030 SSMH36030 SSMH36030 nk Sewer: gment: WO nstruction pital Cost: Trunk sewer t Treatment P project in 20 g aggregate a sed on sliplin holes. H Di 80113 80603 80606 81001 80101 80601 WEST ODLAND LI Cost: $1 $2 $1 $2 that starts at lant. A condit 09. Observat along the trun ning, but hyd iameter, in L 54 54 54 54 54 54 IFT STATIO 3,939,000 0,286,000 8,122,000 6,373,000 t SSMH2503 tion assessm tions during t nk. The pipel draulics mus Reach Length, ft 912 885 808 1,318 1,387 1,288 N TO DRYD 0 (Slipline) 0 (CIPP) 0 (Slipline) 0 (CIPP) 3080107 on W ment investig this investiga lines are 54 st be verified Rehab Method Slipline Slipline Slipline Slipline Slipline Slipline DEN BOX ) ) Woodland Av gation was ation include inches to 60 d during Note ve to ed es ---PAGE BREAK--- USMH DSMH Diameter, in Reach Length, ft Rehab Method Notes SSMH3603080601 SSMH3603081001 54 1,322 Slipline SSMH3603081001 SSMH3603081401 54 1,341 Slipline SSMH3603081401 SSMH0104080201 54 1,307 Slipline SSMH0104080201 SSMH0104080601 54 1,317 Slipline SSMH0104080601 SSMH0104081003 54 1,314 Slipline SSMH0104081003 SSMH0104081002 54 1,209 Slipline SSMH0104081002 SSMH0104081001 54 662 Slipline SSMH0104081001 SSMH0104081101 54 725 Slipline SSMH0104081101 SSMH0104081203 54 1,687 Slipline SSMH0104081203 SSMH0104081201 54 695 Slipline SSMH0104081201 SSMH0104081202 54 927 Slipline SSMH0104081202 SSMH0104081601 54 491 Slipline SSMH0104081601 SSMH0604091307 60 114 Slipline SSMH0604091307 SSMH0604091306 60 444 Slipline SSMH0604091306 SSMH0604091305 60 322 Slipline SSMH0604091305 SSMH0604091402 60 750 Slipline SSMH0604091402 SSMH0604091403 60 757 Slipline SSMH0604091403 SSMH0604091521 60 695 Slipline SSMH0604091521 SSMH0604091505 60 664 Slipline SSMH0604091505 SSMH0604091604 60 1,540 Slipline TOTAL 24,882 ---PAGE BREAK--- Proj This proje SSMH290 (VCP). The missing a conseque recomme The estim City will b US SSMH29 ect: C ect includes a 03091315 to e pipeline wa aggregate wa ence of failur ended for reh mated projec build a paral SMH 903091315 C-2 Tru Seg Con Cap an 18-inch R o SSMH2903 as investigate as observed. T re. Although t habilitation w ct cost is bas llel crossing DSM SSMH290 nk Sewer: gment: HIG nstruction pital Cost: CP crossing 3091310 wit ed by Panora The location this reach is ithin the nex sed on CIPP prior to reha MH 03091310 SUTTER GHWAY 99 C Cost: $2 $3 under Highw th neighborin amo and proj beneath Hig not as deteri t five years. of the existi abilitating th Diameter, in 18 TOTAL CROSSING 91,000 79,000 way 99. The p ng pipes com ecting aggre ghway 99 also iorated as th ing pipeline w his segment. Reach Length, ft 374 374 project reach mprised of vit egate with so o gives this r e others, this with the ass . Rehabilitat t Rehab Method CIPP extends from rified clay pip me areas of reach a high s reach is sti sumption tha te 2 manhole b d Not Hwy 99 m pe ll at the es. tes Xing ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- Proj This proje at SSMH2 located w inspectio and visib extended The estim US SSMH29 SSMH29 SSMH29 SSMH29 SSMH29 SSMH29 SSMH29 SSMH29 SSMH29 SSMH29 ect: C ect starts at S [PHONE REDACTED] within the Dow n of SSMH29 le reinforcem mated projec SMH 903090905 903090908 903090925 903091004 903091005 903091008 903091417 903091426 903091501 903091416 C-3 Tru Seg Con Cap SSMH29030 6 on 8th St. A wntown tribu 903091417 ment and dete m to include p ct cost is bas DSM SSMH290 SSMH290 SSMH290 SSMH290 SSMH290 SSMH290 SSMH290 SSMH290 SSMH290 SSMH290 nk Sewer: gment: DO nstruction pital Cost: 090908 near All the project tary. Projecti to SSMH290 erioration of pipes of simil sed on CIPP. MH 3090908 3090925 3091004 3091005 3091008 3091417 3091426 3091501 3091416 3091414 DOWNTOW OWNTOWN – Cost: $1 $2 r P Street and t pipes are co ing and miss 03091416. S the concrete lar size and a . Rehabilitat Diameter, in 27 27 27 27 27 27 27 27 27 27 TOTAL WN TRIBUTA – 9TH ST ,586,000 ,062,000 d traverses s omprised of 2 sing aggregat SSMH29030 e wall was ob age to those e 11 manho Reach Length, ft 161 104 376 478 484 486 203 258 350 389 3,288 ARY southeast alo 27-inch diam te were obse 090908 was bserved. The inspected. les. Rehab Method CIPP 4 CIPP 6 CIPP 8 CIPP 4 CIPP 6 CIPP CIPP 8 CIPP 0 CIPP CIPP 8 ong 9th St end meter RCP an rved during t also inspecte project was b d Not ding nd are the ed tes ---PAGE BREAK--- This page intentionally left blank. ---PAGE BREAK--- Proj This proje extending pipe insp and miss line. With corrosion Inspectio using Pol The estim US SSMH33 SSMH33 SSMH33 SSMH33 SSMH33 SSMH33 SSMH33 SSMH33 SSMH33 ect: D ect starts at S g onto S Mort ection of Rea ing wall belo in sewers, co . Since the c n of SSMH33 eCam photog mated projec SMH 303090129 303090121 303090535 303090531 303090526 303090541 303090604 303090605 303090608 D-1 Tru Seg Con Cap SSMH33030 ton Blvd. The ach SSMH33 w the flow lin orrosion is ty orrosion is b 303090531 graphs. ct cost is bas DSM SSMH3303 SSMH3303 SSMH3303 SSMH3303 SSMH3303 SSMH3303 SSMH3303 SSMH3303 SSMH3303 nk Sewer: gment: IND nstruction pital Cost: 090129 and e project is lo 303090611 t ne; however, pically seen a elow the flow revealed sim sed on CIPP. MH 3090121 3090531 3090531 3090526 3090541 3090604 3090605 3090608 3090611 DOWNTOW DUSTRIAL O Cost: $1 $1 ends at SSM ocated in an i to SSMH330 the pipe was above the flo w line, the co milar corrosio . Rehabilitat Diameter, in 21 21 24 27 21 27 27 27 27 WN TRIBUTA ON 12TH ST 1,159,000 1,508,000 MH33030906 industrial are 03090614 in s in overall go ow line as a r rrosion appe on below the e 13 manho Reach Length, ft 56 68 108 59 27 251 55 120 125 ARY T AND MOR 618 and is lo ea. Observati ncluded miss ood conditio result of H2S ears to be che flow line as d les. Rehab Method 6 CIPP 8 CIPP 8 CIPP 9 CIPP 7 CIPP 1 CIPP 5 CIPP 0 CIPP 5 CIPP TON BLVD ocated on 12t ions during th ing aggregat n above the f induced emically caus documented b d Not th St he e flow sed. tes ---PAGE BREAK--- USMH DSMH Diameter, in Reach Length, ft Rehab Method Notes SSMH3303090611 SSMH3303090614 27 562 CIPP SSMH3303090614 SSMH3303090616 27 328 CIPP SSMH3303090616 SSMH3303090618 27 39 CIPP TOTAL 1,799 ---PAGE BREAK--- Proj This proje intersecti manholes CMP bene the outsid location b The estim US SSMH17 ect: D ect consists o on of W Brigg s SSMH1703 eath has sta de of the pipe beneath a bu mated projec SMH 703091315 D-2 Tru Seg Con Cap of a single re gsmore Ave a 3091315 and rted to corrod e and its thic usy intersecti ct cost is bas DSM SSMH170 nk Sewer: gment: TUL nstruction pital Cost: ach of corrug and Tully Rd. d SSMH1703 de. It is diffic ckness from i on, this pipe sed on CIPP. MH 03091316 EMERALD LLEY RD @ Cost: $2 $3 gated metal p . The reach c 3091316. Th cult to determ interior inspe is recomme . Rehabilitat Diameter, in 30 TOTAL W. BRIGGS 46,000 20,000 pipe (CMP) lo consists of 30 he pipe coati mine the exte ection. Due to nded for reha e 2 manhole Reach Length, ft 110 110 SMORE AVE ocated benea 0-inch CMP b ng has deter ent of corrosi o the unknow abilitation. es. Rehab Method CIPP E EASTBOU ath the bounded by riorated and on of the CM wn thickness b d Not UND the MP on s and tes ---PAGE BREAK--- This page intentionally left blank.