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RESOLUTION NO. 2014 - 06 A RESOLUTION OF THE CITY OF MOSCOW, IDAHO, A MUNICIPAL CORPORATION OF THE STATE OF IDAHO, ADOPTING AMENDED STANDARD CONSTRUCTION DRAWINGS RELATING TO THE CONSTRUCTION OF PUBLIC STREETS AND UTILITIES WITHIN CITY LIMITS. WHEREAS, the City has been utilizing City of Moscow Standard Construction Drawings, specifications and notes contained therein as standards to be applied to construction of public streets and utilities within City limits; and WHEREAS, such standards are in need of amendment; and WHEREAS, the City adopted in Resolution No. 2006-12 amended standard construction drawings as part of Moscow City Code Section 5-1-5 to be used in the construction of streets; and WHEREAS, the standards contained in this current Resolution are the updated 2014 standard construction drawings which specifically set forth the requirements for the construction of public streets and utilities, including, but not limited to public sidewalks, curbs, paving, storm sewer systems, sanitary sewer systems and water systems and all related appurtenances; and WHEREAS, public streets and utilities, upon completion of their installation, will thereinafter be permanently owned and maintained by the City for public use; and WHEREAS, the purpose of this Resolution is to clarify that the drawings adopted hereby and all specifications and notes contained therein are those to be applied to all construction, repair and maintenance of public streets and utilities within the City limits from and after the effective date of this Resolution; NOW, THEREFORE, BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF MOSCOW, IDAHO AS FOLLOWS: The City Council hereby adopts City of Moscow Standard Construction Drawings one through thirty six (36), including subsections, attached hereto. It is the intent of the Council to apply the standards herein adopted for the construction, repair and maintenance of public streets and utilities and that they apply to requirements of Moscow City Code Section 5-1-5 from and after the date of passage of this Resolution. All City of Moscow Standard Construction Drawings, specifications and notes not consistent with those adopted herein shall be and are hereby superseded by the City of STANDARD CONSTRUCTION DRAWINGS - 2014-06 APRIL 7, 2014 PAGE I OF2 ---PAGE BREAK--- Moscow Standard Construction Drawings one through thirty six (36), including subsections, attached hereto. PASSED by the City Council and APPROVED by the Mayor this J1h day of April, 2014. 3M, Bill Lambert, Mayor ATTEST: STANDARD CONSTRUCTION ORA WINGS -2014-06 APRIL 7, 2014 PAGE2 OF2 ---PAGE BREAK--- APPROVED BY MOSCOW CITY COUNCIL APRIL 7, 2014, RESOLUTION 2014-06 PUBLIC WORKS ENGINEERING DEPT. 221 E. SECOND ST. (208) 883-7034 "CALL BEFORE YOU DIG" 811 ---PAGE BREAK--- STAN DARD CONSTRUCTION DRAWI NGS TAB LE OF C O NTE NTS 1a LOCAL STREET - (36' Street) 18 SUBSURFACE DRAINAGE 1b ALTERNATE LOCAL STREET - (28' Street) 19 STREET MONUMENT 1c COLLECTOR 20 SURVEY MONUMENT 1d COLLECTOR WITH LEFT TURN LANE 21 STORM SEWER MANHOLE 1e COLLECTOR PARKING DETAIL 22 SANITARY SEWER MANHOLE 1f MINOR ARTERIAL 23 SHALLOW SANITARY MANHOLE 1g MINOR ARTERIAL WITH LEFT TURN LANE 24 STORM & SANITARY MANHOLE RING & COVER 1h LARGE LOT SUBDIVISION STREET 25 MANHOLE BASE DETAILS 2 ALLEY STANDARD 26 CATCH BASIN & CATCH INLET 3 PRIVATE STREETS 27a CURB & GUTTER PAN 4 CUL-DE-SAC DETAILS 27b COMBINATION INLET 5 TEMPORARY TURNAROUND 27c CATCH BASIN & INLET TYPE GRATE 6 CURBS & GUTTERS 27d CATCH BASIN & INLET TYPE GRATE (Rolled Curb) 7 SIDEWALKS & PATHWAYS 28 SANITARY & STORM SEWER SERVICE CONNECTIONS 8 PEDESTRIAN RAMPS 29 WATER SERVICE CONNECTIONS 9 DRIVEWAY APPROACHES 30 FIRE HYDRANT ASSEMBLY 10 CEMENT CONCRETE PAVEMENT 31 WATER MAIN THRUST BLOCKING 11 PARKING LOT STANDARDS 32 WATER MAIN CREEK CROSSING 12 DRIVEWAY GRADE LIMITATIONS 33a BACKFILL - CLASS A & B 13 UTILITY & MAILBOX LOCATIONS 33b BACKFILL - CLASS C & D 14 FRANCHISE UTILITY DETAILS 33c BACKFILL - CLASS E & F 15 RESIDENTIAL STREET LIGHTING 34 STREET I ALLEY CUT REPAIR 16 END OF ROAD MARKERS & DEAD END SIGNS 35 SILT FENCE 17 INTERSECTION SIGHT TRIANGLE 36 CONSTRUCTION ENTRANCE AND INLET PROTECTION A.S.T.M. AMERICAN SOCIETY FOR TESTING & MATERIALS JT. JOINT AASHTO AMERICAN ASSOCIATION OF STATE HIGHWAY AND TRANSPORTATION OFFICIALS MECH_ MECHANICAL AGGREGATE METAL A.DA AMERICAN DISABILITIES ACT M.J. MECHANICAL JOINT AGGR. AGGREGATE MUTCD MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES C.I. CAST IRON O/C ON CENTER NOTE: CL. CLASS OSHA OCCUPATIONAL AND SAFETY HAZARD ASSOCIATION CONCRETE @ CIRCLED NUMBERS HEREIN CMP CORRUGATED METAL PIPE R RADIUS THESE STANDARDS INDICATE COMP. COMPACTED or COMPACTION R/W RIGHT-OF-WAY A NOTE REFERENCE CONC. CONCRETE SPEC. SPECIFICATION EARTH D.I. DUCTILE IRON STA. STATION DIA. DIAMETER SL. SLOPE l.D. INSIDE DIAMETER THK. THICK FLG. FLANGE TYP. TYPICAL PAVEMENT G.V. GATE VALVE WSDOT WASHINGTON STATE DEPARTMENT OF TRANSPORTATION ---PAGE BREAK--- 8' Public ® GXID Sidewalk & (Min.) R/W Utility Easement'* W 8' Public ® Sidewalk & '*:tility Easement Scarify Subgrade Surface Prior to Topsoil Backfill min. depth) Comp. Aggr. Base (4''mln.) Concrete Sidewalk as per Std. Dwg. for Sidewalks & Pathways Bituminous Pavement Surface (4"min., 2 lifts), 2.5" Base Course and 1 Top Course Type Combination Curb and Gutter (non-mountable) as per Std. Dwg. for Curbs (Typical) Notes: 1 . This street section should be used as the minimum standard for all streets not classified as Collector or Arterial, or under conditions in which the Standard Drawing for Alternate Local Street (28' Street) is allowed. 2. The eight foot wide green strip may be narrowed to a minimum width of five feet in areas of excessive cuts and fills. as approved by City Engineer. 3. Center streets in platted right-of-way, unless approved otherwise by the City Engineer. Additional right-of-way shall be required as necessary to accommodate topography, utilities, or other needs as determined by the City Engineer. 4. Compact all subgrade and base aggregate to 95% of AASHTO 199 max. proctor density. 5. Seed all roadside backfill and excavations as per Standard Specifications. 6. Wider platted rights-of-way allow n.arrower easements, proportionately. Addition al easements may be required as necessary. 7. Maximum street centerline profile grade shall equal 1 0.0% or as approved by the City Engineer. 8. Subgrade underdrain systems are required in inherently "wet" areas, as specified by the City Engineer, see Standard Drawing for Subsurface Drainage. 9. Tree selection and planting shall comply with the City's Arboricultural Standards and Specification Guide. 1 0. This dimension shall be four feet where standard franchise utility pedestals (excluding transformers) are to be located and shall be six feet where pedestals and an AVISTA power transformer pad is required (see Standard Drawing for Franchise Utility Details). z 0 iY z 0 w > 0 w w I- 0 w _J en 0 -c N I ca ro ca o 0 C9 I U) w w w z I- I- . Á D z LL(_) LI..i C2 w C2 I- I 0 0 0 I- 0 z w u I- en Q) 0 Q) Q) w Q) 0 en 11. z - en 0 ro w {O w 0 CV') z _J z - w u DRAWING NUMBER: 1 a ---PAGE BREAK--- 10' ® @ 10' ® Public (Min.) Utility Easement Easement 5' min. Sidewalk Approved Topsoil (16" thick min.) Seed per Specs. Scarify Subgrade Surface Prior to Topsoil Backfill min. depth) \ Subgrade Separationi Geotextile Fabric (ITD type II, Woven or Nonwoven) 1 -1 Comp. Aggr. Base min.) 3/4" Comp. Aggr. Base min.) a·CD o.5• @ 5' min. 1 o·---.-j1i-·--·Parking Sidewalk -o.5' -----+--Street Trees Required . ® ( ) Concrete Sidewalk as per Std. Dwg . for Sidewalks & Pathways -Type 'B ' Combination Curb and Gutter (non-mountable) as per Std. Dwg. for Curbs (Typical) Bituminous Pavement Surface min, in 2 lifts), 2.5" Base Course and 1 Top Course Notes: 1. Use of this street standard shall be limited to cul-de-sacs and one to two block unextendable streets. In addition, this standard shall only be used in Residential Zones unless otherwise approved by the City Engineer. Engineering plans for subdivisions must specify on which side of street parking will be allowed. 2. The 1 O' wide green strip may be narrowed to a minimum width of five feet in areas of excessive cuts and fills. as approved by City Engineer. 3. Center streets in platted right-of-way, unless approved otherwise by the City Engineer. Additional right-of-way shall be required as necessary to accommodate topography, utilities. or other needs as determined by the City Engineer. 4. Compact all subgrade and base aggregate to 95% of AASHTO T99 max. proctor density. 5. Seed all roadside backfill and excavations as per Standard Specifications. 6. Wider platted rights-of-way allow narrower easements, proportionately. Additional easement may be required as necessary. 7. Maximum street centerline profile grade shall equal 10.0% or as approved by the City Engineer. 8. Subgrade underdrain systems are required in inherently "wet" areas, as speclfied by the Engineer, see Standard Drawing for Subsurface Drainage. 9. Tree selection and planting shall comply with the City's Arboricultural Standards and Specification Guide. 10. This dimension shall be four feet where standard franchise utility pedestals (excluding transformers) are to be located and shall be six feet where pedestals and an AVISTA power transformer pad is required (see Standard Drawing for Franchise Utility Details). 11. All signs to be furnished and installed by 'Developer.' Signs and installation to be in accordance with MUTCD. z 0 a. iY z t) 0 w > Cl w w I- Cl w _J en 0 • . N t) I co ro co Cl  Cl (j I Cf) w w w z I- . Á D z u. u t) w (2 w (2 I- I Cl t) Cl Cl I- 0 z Q) w Q) 0 À I- en en 0 Q) w ro 0 Q) CJ À 0 lJ. z _J en Q) 0 w co w z ro N CJ c z Z - w Q) 0 DRAWING NUMBER: 1 b ---PAGE BREAK--- 8' Public® Easement R w Utility -r ®'.IDD) 8' Public® 70' (Min.) R/W Utility Rlw Easement 1 sTæ;çikJ- o.s·--1 1rvarie,li':::..2 , 0.5' 5' i--12· Bike Lane 0.5' 5' -Bike Lane ̥ lsTè;:éik I 1----Varies71 f--o.5' ...-->--Street Trees Required® ® Varies 1- I ' I •ˡ 00 Ă㥹Ćć=±==i==ĈĉĊċČT:)'ijlčĎl==jďĐTil đ I- e Cl w w I- Cl w en 0 N "E ' CXl CXl Cf) ro Cl s: Cl £ (9 ' -0 w CJ) w w z I- 0 & I- LL z w Á w Á I- I Cl Cl Cl ¿ 0 z w u ¿ 0 w 0 0 (9 Q) LL. z - 0 0 w w z (9 z w u DRAWING NUMBER: 1 c ---PAGE BREAK--- 8' Public ® Easement ʛ W r Utility 5' min. U 0 5.T 8' Public® Ɋ BO' (Min.) Utillty ˞ R Easement -OS' ·I 5' min. Sidewalk · o.s·--l Varies @ ʜ· I --B1ke-j Lane 1 2' 1 Turn Lane Cf@ 5' 1-Bike Lane · Sidewalk I 1----Varies *ef:" " . Approved T:psoil (16" min. thick) Seed per Specs. (typ) Scarify Subgrade Surface Prior to Topsoil Backfill m in. depth) Notes: ˟ ' Subgrade Separation Geotextile Fabric J (ITD Type II, Woven or Nonwoven) 1 -1 Comp. Aggr. Base min.) Comp. Aggr. Base min.) 1. This street section shall be used as a minimum standard for collector class streets in a ll zones or for other high volume Collector streets where on-street parking is not considered essential and future travel lanes are not anticipated. 2. The green strip may be narrowed to a minimum width of five feet in areas of exces:sive cuts and fills, as approved by City Engineer. 3. Center streets in platted right-of-way, unless approved otherwise by the City Engineer. Additional right-of-way width shall be required as necessary to accommodate topography, utilities, turn lanes, roundabouts, signalized intersections, or other needs as determined by the City Engineer. Additional right-of-way required for transit stomps at Minor Arteria I and Collector intersections or every thousand feet ( 1 000'). 4. Compact all subgrade and base aggregate to 95% of MSHTO T99 max. proctor density. 5. Seed all roadside backfill and excavations as per Standard Specifications. 6. Wider platted rights-of-way allow narrower easements, proportionately. Additional easements may be required as necessary. 7. Maximum street centerline profile grade shall equal 1 0.0% or as approved by the City Engineer. Bituminous Pavement Surface min, 2 lifts), 2.5" Base Course and 1 Top Course Type Combination Curb and Gutter (non-mountable) as per Std. Dwg. for Curbs (Typical) 1Wi;. Ā$$0' 15 ɋ $r S. :0$s ® 5 tel.,t.v.,gas, Cs.J power.etc Concrete Sidewalk as per Std. Dwg. for Sidewalks & Pathways (Typical) 8. Subgrade underdrain systems are required in inherently "wet" areas, as specified by the City Engineer, see Standard Drawing for Subsurface Drainage. 9. Tree selection and planting shall comply with the City's Arboricultural Standards and Specification Guide. 1 0. This dimension shall be four feet where standard franchise utility pedestals (no transformers) are to be located and shall be six feet where pedestals and an AVISTA power transformer pad is required (see Standard Drawing for Franchise Utility Details). 11. On-street parking width for Residential and 1 O' width for Collector/Industrial) is optional in this road standard. If included on one or both sides, then additional right-of-way shall be required (see Standard Drawing for Collector Parking Detail). 1 2. A center median is an option in this road standard. Minimum planter width shall be seven feet with curbs on each side. Travel lanes adjacent to median shall be increased two feet in width. Additional right-of-way shall be required to accommodate the median, curbs, and additional lane widths. 1 3. Collector streets in Commercial and Industrial zones shall be subject to access control. z Q ŗ . • en ¾ C:C ro 0 w ill I- . 0 z 0 i= a_ u w 0 w I- 0 c:c 0 á w Ø & u w I u Q) c ro _J c 0 þÿ 0 Q) _J $ w _J u <9 z Cf) I- z 0 0 u en 0 Lt. 0 u DRAWING NUMBER: 1 d ˠ C> 'i-1 M w I- 0 I- z w I- w Cl z w w z z w ---PAGE BREAK--- !L.l:==;:ǍÉǎǏ lÊblǐǑ bÉlÊb- bb::blA = d = d = it = io = n = a = l = R/W l = (s = e = e = S = t = d = . = D = w = g = . = fo = r = C = o = ll = ec = t = o = r) ǒǓb =oLJ Sidewalk Green Strip @ R. 5' Min. 9'-10' Parking CD _ Min. Length 75' _ _ _ (3 Stalls) 5' Bike Lane - . · \ - - 1 1 O' Min. 2' Travel Lane - 40' Minimum - 5' Bike Lane 1 0' Min., 1 2' Travel Lane Notes: 0 - * U5 Cl n Q) R/W 1 . Parking on Collector streets shall be a minimum of nine feet wide in Residential zanies and ten feet ( 1 wide in Commercial and Industrial zones. 2. The green strip may be narrowed to a minimum width of five feet in areas of excessive cuts and fills, as approve by the City Engineer. 9'-10' Parking CD ) ê---,Sid7ewalk----'------ LAdditional R/W (see Std. Dwg. for Collector)----1 ) 0 - L Q) -UJ Cl I z 0 Cl. UJ ( z 0 Q UJ UJ w > 0 w w f- 0 w _J en 0 • . N 0 I co ro co UJ N oʚ 0 I Cf) N ww w z I- f- . Ø D z u 0 w w h I 0 0 0 ro I- 0 z w Q) u 0 I- U) 0) 0 c w 0 å CJ LL. z ro a_ 0 w w z 0 CJ z Q) - w u - - 0 DRAWING NUM BER: 1e ---PAGE BREAK--- 8' Public® 8' Public ® Utility 90' Min. Utility - Easement Easement R w oä Sidewalk ̣ -1-----1--Street Trees Requirec@ I I I Subgrade Separation j J Geotextile Fabric (ITD Type II, Woven or Nonwoven) Bituminous Pavement Surface min, 2 lifts), 2.5" Base Course and 1.5" Top Course 1' ) ® Varies Concrete Sidewalk as per Std. Dwg. for Sidewalks & Pathways (Typical) Scarify Subgrade Surface Prior to Topsoil Backfill min. depth) Comp. Aggr. Base min.) Type Combination Curb and - Gutter (non-mountable) as per Std. Dwg. for Curbs (Typical) 2" Dia. PVC or PE Conduit for Future Use Comp. Aggr. Base min.) Notes: 1. This street section shall be used as a minimum standard for Minor Arterial class streets in all zones. 2. The green strip may be narrowed to a minimum width of eight feet to accommodate bus pull-outs, additional lanes, and other needs, as approved by City Engineer. 3. Center streets in platted right-of-way, unless approved otherwise by the City Engineerr. Additional right-of-way width shall be required as necessary to accommodate topography, utilities, turn lanes, parking, roundabouts, signalized intersections, or other needs as determined by the City Engineer. Additional right-of-way required for transit stops at Minor Arterial and Collector intersections or thousand feet ( 1000'). 4. Compact all subgrade and base aggregate to 95% of MSHTO T99 max. proctor density. 5. Seed all roadside backfill and excavation as per Standard Specifications. 6. Wider platted rights-of-way allow narrower easements, proportionately. Additional easements may be required. 7. Maximum street centerline profile grade shall equal 10.0% or as approved by the City Engineer. 8. Subgrade underdrain systems are required in inherently "wet" areas, as specified by the City Engineer, see Standard Drawing for Subsurface Drainage. 9. Tree selection and planting shall comply with the City's Arboricultural Standards and Specification Guide. 10. This dimension shall be four feet where standard franchise utility pedestals (no transformers) are to be located and shall be six feet where pedestals and an AVISTA power transformer pad is required (see Standard Drawing for Franchise Utility Details). 11. On-street parking width for Residential and 1 O' width for Commercial/Industrial) is optional in this road standard. If included on one or both sides, additional right-of-way shall be required. 12. A center median is an option in this road standard. Minimum planter width shall be ten feet (10') for Residential and eleven feet (11 for Commercial/Industrial with curbs on each side. Travel lanes adjacent to median shall be increased two feet in width. Additional right-of-way shall be required to accommodate the median, curbs, and additional lane widths. 13. Minor Arterial streets shall be subject to access control. No residential driveways shall be permitted. 14. Minimum sidewalk widths shall be six feet in Residential zones and eight feet in Commercial and Industrial zones. Back of sidewalk to be at the right-of-way line. z 0 ii: z Q w > 0 w w I- 0 w v _J â en 0 N I ã ro 0 ã 0 , ý -c w Cf) w w z I- ci Ø & I- LL z w w I- I 0 0 0 I- 0 z w u I- ro ·c 0 w LlJ . . en "O m ro 0 3: LlJ (B I- . LL 0 z 0 ii: Cf) LlJ 0 LlJ I- 0 Cll 0 , LlJ Ø â LlJ I Q) c ro ro _J ·c c Q) 0 Q) _c _J 9 s LI..i Cf) z I- z 0 0 u en 0 LL. 0 u DRAWING NUMBER: 1 C> ß M LlJ I- 0 I-z w w 0 CJ z w w z CJ z w ---PAGE BREAK--- NOTES: 1 . No parking allowed on either side of street. 2. Use of this street standard shall be limited to areas with low potential for "pass through" traffic and shall not conflict with or hinder the public street system configuration and logical extensions. 60'R/W 8' Public Utilit y Easement 28' ct. Ditch - - - R- o ·d a_ y 321 ct. Ditch Franchise Utility Pedestals 4' 48' 2' 8' 28' Shdr 1 4' 1 4' 0 rn -2.75% 4" Bituminous Pavement Surface (2 Lifts; 2-1 base, 1-1/2" top) -2.75% 6" Min. Comp. Aggregate 2' Shdr 32 0 rn 8' -.cf f ( 6' 4' \ d \ )7 7 Compact Subgrade to 95% of MSHTO T99 max. Proctor Density 8' - 1· - Ditch and driveway culverts maintained by property owners. 1 2" RCP, CMP or smooth wall interior HOPE pipe culvert with flared ends required at all driveways. Minimum coverage as per manufacturer recommendations. Culvert provided by property owner. Approved Topsoil (16" min. thick) Seed per Specs. (typ.) 5' Concrete Sidewalk (see Std. Dwg. for Sidewalks & Pathways) Scarify Subgrade surface prior to Topsoil Backfill min. depth) Plant trees according to City planting guidelines TYPICAL SECTION 8' Public Utility Easement 3.5' r Min. z 0 ̤ a. Cf) (2 z 0 Cf) Ci5 w 0 > w 0 w I- 0 w I- 0 z 0 Cl) ý > 00 ca z Cl) ü I- 1- 0 w _J w w (9 l Cl) _J DRAWING NUMBER: 1h 0 N ' CD N ' N ---PAGE BREAK--- NOTES: 1 . No parking allowed on either side of alley. 2. "No Parking in Alley" signage to be installed by developer in accordance with MUTCD and City Specifications if required by City Engineer. 3. Drainage system required as approved by the City Engineer. 4. Geotechnical Engineering assessment of soil conditions may be required by City Engineer to determine if additional asphalt pavement and aggregate base depth will be required. 5. Truncated domes are required at sidewalk crossings of public alleys. - 2' - Subgrade Separation Geotextile Fabric ( ITD Type II, Woven or Nonwoven) @ 3" Asphalt Pavement Q) -0 0 Cf) N 24' 16' - TYPICAL SECTION - 2' 4" Min. Comp. Aggregate @ 4" Min. 1 1 Comp. Aggregate Compact Subgrade to 95% of AASHTO T99 max. proctor density z 0 i= a. en z 0 en en w > 0 w w 0 0 w 0 0 z 0 w z (9 en en LU "E _J ro 3: 0 Ill Ill en N -0 en I 0 w 0 Å (9 I- LO w u w z I z I- LL LU w h I 0 0 0 0 I- z u w C en I- w _I 0 _I w 0 C) LL. z 0 w _I w z cc ã C) z w u DRAWING NUMBER: 2 ---PAGE BREAK--- ® 1--------1EasementҶ--------1 20' min. - No Fire Hydrants 26' min. - Fire Hydrant Access @ Varies _ Varies 1 0'-1 3' 1 0'-1 3' NOTES: Subgrade Separation Geotextile Fabric (ITD Type II, Woven or Nonwoven} 1 -1 Comp. Aggr. Base min.) Comp. Aggr. Base min.) 1. Compact all subgrade and aggregate base to 95% of AASHTO T99 max. proctor density. 2. Seed all roadside backfill and excavations as per specifications. 3. Maximum centerline profile grade equals 1 0.0% or as approved by the City Engineer. Additional easements may be required as necessary. 4. Subgrade underdrain systems are required in inherently "wet" areas, as specified by the Engineer. 5. This dimension shall be four feet where standard franchise utility pedestals (no transformers) are to be located and shall be six feet where pedestals and an AVISTA power transformer pad is required (see Standard Drawing for Franchise Utility Details). 6. Sidewalks, vehicular cubs cuts/approaches, and pedestrian drops shall comply with City Sttandards where required and installed. 7. Designated fire lanes shall be signed for no parking and curbs (if present) shall be painted yellow. Additional width my be required for Fire Department access. 0.5' ® Varies Type Combination Concrete Curb and Gutter (non-mountable) Bituminous Pavement Surface min.) 8. Gates shall not be permitted. 9. Public utility and franchise utility easements shall be provided per City Standards for utilities within thle roadway area. 1 0. Private streets shall be limited in use to Planned Unit Developments (PUD) and shall not conflict with or hinder the public street system configuration and logical extensions. Private streets shall not promote "pass through" traffic between public streets. 1 1 . Sidewalks or other pedestrian pathways shall be installed if required by the PUD process and shall be a minimum of five feet in width. 1 2. City shall not provide any maintenance, repair, or snow removal on private streets. 1 3. A street light shall be installed at each intersection of a private street with a public street per the Residential Street Lighting Standard Drawing. 14. Vertical and horizontal alignment of private streets shall meet the requirements for Fire Department access as per the International Fire Code. C/J z 0 C/J > w • . en ¾ OJ ro 0 w ill I- . LL 0 0 z 0 f= a_ à u C/J w 0 w I- 0 OJ 0 w ̦ u w I u Cf) w w Cf) w > - LU _J u CJ) á (9 z Cf) & I- z 0 0 0 en 0 LL. 0 0 DRAWING NUMBER: 3 Ҳ 0 ß co ß N LU I- 0 I- z w I- w 0 z w w z z w ---PAGE BREAK--- Trees, Shrubs, Ground Cover and ® Irrigation (as directed by City) 2' Min. (Typ.) PLAN I Location will vary depending on surrounding street, lot lines, and topographic conditions. Street Light as per Standard Drawing for Residential Street Lighting 8' Utility Easement 5' Sidewalk · 6' min. Concrete Sidewalk to Public Street or Walk. For Sidewalk width greater than R/W width shall be Sidewalk width plus 4' wide Paver Block Strip Behind Sidewalk I 11 Sidewalk shall be 6" thick with reinforcement along Rolled Curb Paver Block Strip Standard 1 6" Non Mountable Curb Positive Draina e a -aroun 1 0' Min. 16' Max. ELEVATION 2' min. 3' thick Topsoil (mounded 1 ' Max.) T ɉ'2-'0 : ʖ Utility Easementû! ct: (per Street Standard) No Parking 5" Thick Concrete Sidewalk Along Street with Vertical Curb In CUL-DE-SAC OPTIONAL PLANTER ISLAND DETAIL Not to Scale NOTES: 1 . Use of cul-de-sac and 'dead end' streets shall be limited to promote street con nectivity and emergency vehicle access. Cul-de-sacs shall only be allowed when topographic conditions or other factors prohibit reasonable extension of the street. 2. Center cul-de-sacs and turnarounds in platted right-of-way unless otherwise approved by the City Engineer. 3. All signs to be furnished and installed by 'Developer'. Signs and installation to be in accordance with MUTCD and City Specifications. 4. Tree selection an planting shall comply wit the City's Arboricultural Standards and Specification Guide. Concrete Curb R/W Width & Street Section per Street Standard CUL-DE-SAC 5. All cul-de-sacs to be constructed with a minimum of 1 sloping surface to drain. 6. All curb radii dimensions are measured as per the Standard Drawing for Curbs. 7. Seed all cuUfill slopes and green strips per city specifications. 8. Installation of optional Planter Island as per approval by the City Engineer. 9. 'Not A Through Street' sign required at the entrance of cul-de-sac streets. 1 0. No utility poles, lights standards, mailboxes, fire hydrants, or other vertical features allowed in sidewalk or paver block strip within cul-de-sac. 11 . Geotechnical Engineering assessment of soil conditions may be required by Citty Engineer to determine if additional asphalt pavement and aggregate base depth will be required. z 0 a_ z u 0 w > 0 w Cl'.: w I- 0 rn LI..i 12 C1l â Ұ 0 , u N co co w u N 0 0 â c-:i w w z I- Ø I- u z LI..i ұ w I- â I 0 u 0 0 en I- _J 0 z - w u I- I- U) w 0 0 w Cl (9 LL. z 0 en w w I z w (9 0 z I - w _J u DRAWING NUMBER: 4 ---PAGE BREAK--- 'End of Road' Markers @ 96' Dia. NOTES: c: 0 t5 - Q) Q) Q) - Q) Q) -g U5 ү "E a. ro E -o 0 c: u .s Q) a. No Parking IN URNARO 0 w w I- 0 w _J en â 'E u 0 m m N ro 0 5: 0 , (9 M -0 w w w z (fJ I- Ø â I- LL u z w w I- 0 u 0 0 I- 0 z w 0 u I- en z 0 w 0 0 CJ 0 LI. z 0 w 9 z w z UJ CJ z w u DRAWING NUMBER: 5 ---PAGE BREAK--- NOTES: 1 . Replacement curb and sidewalk may be cast monolithic with prior approval of City Engineer. 2. Sidewalk to back-of-curb slope may not exceed 1 2: 1 without City Engineer's approval. 3. Light broom finish curb parallel with the long axis of curb. 4. Rolled curb prohibited where sidewalk is adjacent to curb, unless specially allowed by the City Engineer. In areas without planter strips, sidewalks adjacent to to rolled curb shall be a minimum of six inches thick. 5. All curb roadway planimetric radii dimensions shall be measured to the "Radii Dimension Line"shown in the typical curb section. 6. See table for curb radii requirements. Thirty foot (30') curb radii are required where any City street intersects an Idaho Transportation Department roadway. ® Radii Dimension Line 6" Tooled Chamfer ½ _ , L ˝ _ _ I I 4" ot ú,;-1 ® 7. 'Shed' section streets require 'spill curb' on the uphill side with gutter matching street cross slope. 8. Type curb only allowed where extending or replacing existing Type Curb. 9. Type curb only allowed in cul-de-sacs and where replacing existing rolled curb. ӁӂӃ- No. 4 Rebar 1 1 1 8" I) 6" of i" crushed aggregate min. TYPE - VALLEY GUTTER Aggr. (95% Comp. Req'd.) Radii Dimension Line @ʔ Radii Dimension Line I TYPE CURB @ CURB RADII REQUIREMENTS Intersecting Curb Radii Street Classification Dimension Local - Local 1 5' Local - Collector 1 5' Local - Arterial 25' Collector - Collector 25' Collector - Arterial 25' Arterial - Arterial 30' 6" Ɉ - ' 2" Min. of Aggr. (95% Comp. Req'd.) 2'-0" 1 Roadway Width Measured To Here TYPE - COMBINATION CURB & GUTTER 1 0" 4" t Curb I SL=4%min. 6%max. 1 " t R'emenS 24 ' 6" 4" of Roadway Width Aggr. (95% Measured To Here Comp. Req'd.) TYPE - ROLLED CURB @ z 0 Cf) ii'. z u 0 Cf) Cf) UJ > Cl UJ UJ I- Cl Cl UJ I- Cl Cl z Cl UJ z Ý Cf) a. a. B UJ Ü _J u en "O en Cf) 0 Cf) N Cl cc Cl Þ Ý ' 3: I- UJ UJ Ü z z I I- "O u. UJ u UJ cj UJ I Cl u Cl Cl I- z Cf) 0 w u I- w en I- 0 I- w 0 C> z LL ca 0 w w z Cf) cc z w - u DRAWING NUMBER: 6 ---PAGE BREAK--- NOTES: 1 . Minimum sidewalk widths shall be five feet for local streets. For sidewalk widths for collectors and arterials, see Standard Street Section Drawings. Pathway width shall be ten feet (10') unless otherwise approved by the City Engineer. 2. Maximum cross slope of 2.0%; minimum cross slope of 1% - pathway cross slope may be 'crown' or 'shed'. Maximum sustained longitudinal grade for pathways of Pathways shall be free of humps, dips, or unnecessary curves. 3. 4. 5. 6. 7. 8. 9. Curb and sidewalk may be cast monolithic for repairs only with prior approval of City Engineer. Slope from sidewalk to back-of-curb may not exceed 1 2: 1 without City Engineer's approval. Green strip required between curb and sidewalk width as specified in Standard Street Section Drawings. In areas of excessive cuts and fills, width may be reduced, as approved by the City Engineer. Sidewalks shall be five inches thick as shown on this drawing - with the following exceptions: a. Sidewalks through driveways shall be six inches thick and constructed per the Std. Dwg. for Driveway Approaches. b. Sidewalks constructed adjacent to rolled curb shall be six inches thick and reinforced as shown on this drawing. c. Reinforcement as directed by City Engineer. Coarse broom finish sidewalk concrete perpendicular to the long axis of sidewalk; light broom finish curb concrete parallel to the long axis of curb. This dimension shall be four feet where standard franchise utility pedestals (excludi111g transformers) are to be located and shall be six feet where pedestals and an AVISTA power transformer pad is required (see Standard Drawing for Franchise Utility Details). Any trees adjacent to or with branches overhanging the pathway shall be kept trimmed such that te111 feet (1 of both vertical and horizontal clearance exists between any branches and the pathway. Landscape vegetation cannot overhang sidewalk. 10. lf fall protection is required by code, railing should be installed with a minimum height of 42" and a minimum height of 54" for bridges. Railing style must be approved by City Engineer. 1 1 . 'Select' native backfill shall be free of clods, roots, gravel, and other inert material and shall be neatly graded to blend with the path and the adjoining ground. Backfill shall be compacted to 90% within 2' of path edge. 1 2. Furnish and install drainage culverts as required and as directed by the City Engineer. ® CD Exis_tiQ_g Ground 'Select' Native @ Backfill 6:1 SL. MaA 1 " Lip to Top of Backfill (Typ.) 2.5" Asphalt ; surface Subgrade Pathway Edge Detail 3' Min. 1 O.O' 6' Max. CD m__.in-i. (typ.) -t 4' Min. 5' Max. 1" Lip to Top of Backfill (Typ.) (6:1 SL. Max.) See Detail j L-ù:J See Pathway Edge Detail L weedkill 6" Min. Base 'Select' Native Backfill__} 2.5" Asphalt Pavement (Hot Mix, Surface Course) L ÷o:pact öu:rade to 95% of MSHTO T99 Proctor Density Weedkill as per Standard Specifications Geotextile (Type II ITD, Woven or Nonwoven) 6" Min. Crushed Basalt Base 95% ® Comp. Min. of MSHTO T99 Proctor Density PATHWAY TYPICAL SECTION Varies Cl LlJ LlJ Cl Cl LlJ Cl Cl z Cl LlJ z w _J "O ro ʓ 0 co co Ù N "O Cl I- ' Cl LlJ lO LlJ cj LlJ Å ̠ z I I- Ä u LlJ LlJ h I Cl u Cl Cl 0 I- z u w o 0 w UJ I- 0 0 UJ I- 0 0 z 0 UJ z Cf) - Q) "O > (ti Ill Y . . . "O C:O w Ill . Ill 0 0 UJ W I- Û Ä u. Ä UJ 0 en Q_ 9 z - r- en LU 0 LU Q_ w _J Cf) Cf) Ú I- z z Ü 0 0 u 0 LL 0 - u DRAWING NUMBER: 8 ¼ 0 N ' ' w I- 0 I- z w I- < a. w c C> z CE w w z - C> z w ---PAGE BREAK--- Max. @ Private Drive 6" Thick Cone. with ® Reinforcement Max. TYPE I Public Sidewalk Lip 1 -3/4" GJ) 1 % - Street Surface 6" Thick. Aggr. Base (95% Min. Comp.) @ SECTION NOTES: 1 . Existing curb and sidewalk section to be removed (sawcuts required) prior to constructiion of vehicular approaches. 2. The width of a vehicle approach providing access to residential uses shalt be a maximum of twenty feet Vehicle approaches providing two-way access to commercial uses shall be a maximum of thirty feet (30') wide unless a wider width is deemed appropriate by the City Engineer. 3. Vehicle approaches shall be located at least thirty feet (30') from the intersection of the curb line of an intersecting street. 4. Approaches shall be limited to one per street frontage for each lot, with the following exceptions: a. Two twenty foot (20') curb cuts may be permitted to commercial uses where one cut will be egress only and the other ingress only. b. Additional approaches may be authorized by the City Engineer where, in his/her opinion, an exceptionally long street frontage or traffic conditions in the area justify such approaches. 5. Truncated domes are not to be installed in sidewalk at driveways. 6. A City of Moscow excavation permit is required to construct new driveways through existing curbs and sidewalks. 2.0% Max. - 1 % Min. Walk _lJ TYPE II @ Private Public @ ̛ Ҭeeҭ G . o̜ --tiҫ Drive Sidewalk L" 1 3/4" f.11' 6" Thick Cone. with 1P - ® ReinforcementQ7' - 2·0o/ : - i = L Street Surface f - -Ҫ Ʌ wʒ4 6" Thick Aggr. Base (95% Min. Comp.) @ SECTION 7. Curb and sidewalk may be cast monolithic with prior approval of City Engineer. (Strike dummy joint at back of curb) 8. Driveways within State of Idaho right-of-way are subject to Idaho Transportation Department standards and permits. Inquire at Moscow Engineering Department ([PHONE REDACTED]). 9. Reinforcement shall be 6 x 6 - W2. 1 I 2.1 welded wire mesh or No. 4 rebar @ 1 centers each way centered in slab. 1 0. Forms shall be inspected by the City prior to placing concrete. No Exceptions. 1 1 . Lip height shall be 1 -3/4" (plus/minus 1 1 2. Vehicle approaches per this standard required for all driveways. 1 3. In areas with rolled curb, the number of driveways shall not exceed the number of curb cuts allowed per lot (as per Zoning Code Section 6-4). 14. Allowed gradient per Driveway Grade Limitation Standard Drawing. z 0 Ci: z Q UJ > Cl UJ UJ Cl Cl UJ Cl Cl z Cl UJ z "E ti.i co s: _J UJ "O _J UJ 0 OJ 0 OJ N Cl I Cl UJ UJ z I 0 I- B Å I- ti.i Å UJ I- I- I 0 Cl Cl z Cl 0 z w Cf) u :2 w en I 0 w s Cl w LL z > 0 0 w - w z 0 z - w u DRAWING NUMBER: 9 ---PAGE BREAK--- TYPICAL SECTION W = Approved Street Width 6" 8' Type B Joint or Type D City Of Moscow Standard Curb Type or (typical) TYPE A (W-1 6)/2 - 2.5% Compacted Aggregate Base as per Standard Street Section Drawings 1 Radius 2.5% - Subgrade Separation Geotextile Fabric (ITD Type II, Woven or Nonwoven) (W-16)/2 Compacted Subgrade 8' Type C Joint (typical) 6" L Fill with Approved Joint Sealer 0 w w 0 0 w 0 0 z 0 w z Ci5 U) "E w co Y > -0 > w Cll cj Cll en 0 en N 0 0 ' I- LO w a. w Å z z I I- a. à w Å w I- I 0 0 0 I- UJ z 0 w I- UJ u I-0:: I- en 0 z w 0 z UJ 0 z LL. UJ 0 w I- â w z z UJ a_ z w - u UJ DRAWING NUMBER: 1 0 ---PAGE BREAK--- NOTE: 1 . CITY CODE HAS PRECEDENCE OVER THIS DRAWING. Parking lots shall conform strictly to the Off-Street Parking Requirements of City Code (Title 4, Section 6-5). 2. See also ADA Standards and International Building Code for Design Accessilbility. 3. Single ADA accessible vehicle spaces require a five foot access aisle. Van accessible stalls shall have an eight foot wide aisle width. Two ADA accessible spaces may share a common access aisle with a minimum width of eight feet Spaces to be standard vehicle size. 4. Dimensions shown are minimum; user friendly lots exceed these dimensions . 5. Fire Code requirements relative to traffic aisle width have precedence over this drawing. 6. Sidewalk adjacent to curb shall slope -2.0% or -1 % toward curb. B D c T B' D C' F Wall or Property Line c D E F Curb E or Wall 4" wide D c Paint Stripe Wheel Stop Wheel Stop 2'-0" ANGLE PERPENDICULAR PARALLEL TWO-WAY TRAFFIC B D ONE-WAY TRAFFIC PARKING Minimum Number of Accessible Parking Spaces ADA Standards for Accessible Design 4.1 2(5) Total Parking Total Minimum Spaces Requiring Van Spaces In Lot Accessible Spaces Accessible 8' Access Aisle 1 to 25 1 1 26 to 50 2 1 51 to 75 3 1 76 to 1 00 4 1 1 01 to 1 50 5 1 1 51 to 200 6 1 201 to 300 7 1 301 to 400 8 1 401 to 500 9 2 501 to 1 000 2% of Total 118 of Total Minimum 1 001 and over 20 plus 1 for each Accessible Spaces 1 00 over 1 000 A B c D PARKING PARKING PARKING TRAFFIC ANGLE SECTION BANK AISLE WIDTH WIDTH WIDTH PARKING E CURB LENGTH PER CAR TWO WAY TRAFFIC STANDARD VEHICLES oo 36' 8' 20' 23' 45° 58' 1 g· 20' 1 2' 60° 60' 20' 20' g,8' goo 64' 20' 24' g· TWO WAY TRAFFIC COM PACT VEHICLES oo 35' 7.5' 20' 1 5' 45° 52' 1 6' 20' 1 0.6' 60° 54' 1 6.8' 20' 8.7' goo 50' 1 5' 20' 7.5' ONE WAY TRAFFIC STANDARD VEHICLES oo 28' 8' 1 2' 23' 45° 50' 1 g· 1 2' 1 2' 60° 55' 20' 1 5' g_8' ONE WAY TRAFFIC COMPACT VEHICLES oo 27' 7.5' 1 2' 1 5' 45° 44' 1 6' 1 2' 1 0.6' 60° 4g• 1 6.8' 1 5' 8.7' PARKING TURNI NG CLEARANCES F B' C' CAR PARKING PARKING STALL SECTION BANK WIDTH WIDTH WIDTH 8' 8.5' 51' 1 5.5' 8.5' 55' 1 7.5' g• 7.5' 7.5' 47' 1 3.3' 7.5' 50' 14.g' 7.5' 8' 8.5' 43' 1 5.5' 8.5' 50' 1 7.5' 7.5' 7.5' 3g• 1 3.3' 7.5' 45' 14.g' z 0 Cf) Ci: z 0 Cf) Cf) w > Cl w w Cl Cl w Cl Cl z Cl w z (9 Cf) w w w N Ø _J 0 N Ø en Cf) I en en Cl (9 Cf) N Cl I w w Å z I- I- Ø z LL. w w I- I Cl Cl Cl 0 z w u I- en 0 0 _J w 0 CJ z LL z - 0 : w w z CJ z a_ - w u DRAWING NUMBER: 1 1 ---PAGE BREAK--- ȴ of Street Back of Curb +6%max. -6%max. Curb Drop at Driveway as per Standard Drawing for Driveway Approaches ȴ of Street Back of Curb I I Private Property C l ,g I ʎ I 0 ' ½ I I 25' minimum . I 1 % Min. I 2.0% Max. I +6%max. -1 % Mi:ʍÞ -6%max. 2.0% MP Sidewalk ® (location varies) TYPE I DRIVEWAY +8%max. -8%max. 20' M in. àIá _ P _ riv_a_t_e_P_ r_o_p_e_rt_y _ _ ̗ > c l O I ʏ I 0 7' Min. ½ I I I 1 % Min. 1 2.0% Max. +8%max. -1 % Min. 2.0% Max -8%max. Curb Drop at Driveway as per Standard Drawing for Driveway Approaches Sidewalk ® (location varies) TYPE II DRIVEWAY NOTES: 1 . TYPE t DRIVEWAY applies to all driveways except those for single family dwellings and duplexes. 2. TYPE II DRIVEWAY applies to single family and duplex lots. 3. Driveway grade must also match existing sidewalk elevation. The City Engineer may allow reconstruction of the sidewalk for the purpose of matching a proposed driveway grade. ADA Standards Apply. 4. Maximum cross slope of driveways shall not exceed 5.0%. 5. Maximum slope of parking areas and aisles shall not exceed 5.0% in any direction. 6. Noted grades measured at driveway centerline. 7. Or as approved by the Building Official. 8. Sidewalk adjacent to curb shall slope -2.0% or -1 % towards curb. Cf) z 0 Ci5 5 w 0 w 0 0 z 0 w z Ci) O'.l 0 w I- LL 0 z 0 Ci:: u Cf) w 0 w 0 en 'O Cl] 3: 'O w 0 ci c. 2 Å w Cl CJ w > - Cl w _J u O'.l Cf) 0 w z Ø u Cf) w I- I _J u Å 0 z ô 0 u U) en z 0 0 - II. 0 - ß _J - u DRAWING N U MBER: 1 2 a N I N I N w 0 I- z w I- w Cl z w w z z w ---PAGE BREAK--- NOTES: 1 . The locations of City water, sanitary sewer and storm sewer mains shown are preferred where possible; curvilinear street alignment and tangent utility runs dictate other locations, as approved by the City Engineer. 2. The 'community' style mailboxes shall be placed in locations approved by both the Postal Service and the City Engineer. The Developer is responsible for the construction of 'community' mailbox concrete support slab, all in accordance with U.S. Postal Service construction requirements. The support slab shall extend to the City sidewalk. 3. Utility poles (wood, metal, or other) shall be located with 1 minimum clearance from back of curb to face of pole or 1 minimum from back of sidewalk to face of pole. Sign posts shall be located 1 minimum from back of curb; their location shall also conform to MUTCD equiremen1ts. 4. Franchise utilities, including pedestals shall be located within street right-of-way or public utility easement and as shown on the Standard Drawing for Franchise Utility Details. 1 O' Minimum Separation U.S. Postal Service 'Community' Mailbox 1 ' Min. r tel.,t.v.,gas, Option 1 power.etc 6"-8" ʌ 4' Min. where feasible 1 O' Minimum Separation Water Main 4' Minimum Cover Sanitary Sewer 2.5' Min. Cover TYPICAL SECTION Üi r 6"-8" U.S. Postal Service ŕ Approved M ailbox -0 Ln Ý 3' I u ̕ Option 2 tel.,t.v.,gas, power,etc Subsurface Storm Drain (as required} Storm Sewer 2.0' Minimum Cover (Reduced cover permissible under special circumstances with City Engineer approval) z 0 f= z 0 0 w > 0 w w 0 0 w 0 0 z 0 w z w _J ro 0 0 N CD Ɂ CD É I 0 0 I- w w Å z I c. z I- c. Ø LL 2 0 w Å w I 0 0 0 0 Cf) 0 I- z H u w - z C 0 en I- } 0 - w o Q w w Q Cl) CD w w 0 Cl) z w 0 I a. > u z 0 0 u a. LL w I- I I- I- I- w 0 w N 0 N I al a. al 0 a. M Q à Q I w I- w Å Å z z I- Ä LL w w I- I Q Q Q I- 0 z I- w u I- - en I- 0 a_ ʉ CJ) w 0 w - z CJ) LL - I- 0 w I w w z 0 z z - w ¼ u LL DRAWING NUMBER: 14 ---PAGE BREAK--- Street Typical Layout Plan - - - 1 Temporary I Turnaround _J - - - NOTES: Full Cutoff Fixtures Street Surface -e 0 ro ca 1 min. Wood Pole Direct Bury (Standard) 1 min. Sidewalk Street Surface I nstallation Details -e 0 ro ca 1 min. Metal Davit Pole (Alternate) 1 min . Sidewalk 1 . Street lights (pole, fixture, and conductors) to be furnished, installed, owned, and maintained by AVISTA. 'Cobra head' style light fixtures are required unless otherwise approve by the City Engineer. 2. Wood street light poles will be furnished and installed as the standard - metal davit poles are allowed but the additional/incremental costs of furnishing metal davit poles shall be paid by the Developer directly to AVISTA. 3. Developer shall furnish and install buried conduit for street lights - all as required by AVISTA - at Developer expense. 4. All street lights shall be full cut-off. 5. Street lights in residential developments will generally be installed at all four-way intersections, three-way (tee) z 0 C/J z Q C/J C/J w ő 0 0 w 0 0 z 0 w z C/J w 0 intersections, ninety degree corners, permanent cul-de-sacs, and temporary turnarounds - one at each of these locations. Additional street lights at other locations may be as allowed or required by the City Engineer. 6. Street lights shall comply with Moscow City Code Title 4, Section 6-1 5. ---PAGE BREAK--- Ƚ I I e· 1--6' MUTCD OM4-2 (or center on travel lanes) Advance Warning Sign, Placed Nearest Intersection if Possible. Location to be determined by City Engineer. (MUTCD W14-1 a on top of Street Name Sign or 30"x30" W14-1 as shown.) NOTES: 1 . DEAD END signs shall be placed as near as possible to the beginning of all streets that terminate (either temporary or permanent) in a dead end or cul-de-sac. END OF ROAD MARKERS (two of them) shall be placed at the end of all terminated streets EXCEPT permanent cul-de-sacs. 2. Reflectors and reflective sheeting shall meet the requirements set forth in the most current editions of the Manual for Uniform Traffic Control Devices andl Idaho Transportation Department's Standard Specifications for Highway Construction. 3. U-channel galvanized steel posts weighing 3.0 lbs./ft. and conforming to ASTM A499, or a 4"x4" treated wood post, shall be a minimum requirement. No splicing or bolting of multiple u-channels will be allowed All posts shall meet the Engineer's approval. 4. Theft resisting "Tufnut" brand hardware shall be used for sign installation. 5. Signs shall be installed vertically plumb. 0 0 0 0 0 0 0 0 3" Dia. (Min. ) Red Reflector (9 Req'd.) Spaced Symmetrically BLACK Background Cl ȿ c c ca 0 E ½ - c Cl Ⱦ I z 0 Æ en Ci: z u 0 en UJ > 0 UJ UJ 0 0 UJ 0 0 z 0 UJ z en Li..i Ä > > s: u 0 ca en N ca Ä I 0 0 CV) u en I UJ Ä UJ z I- CV) I- Ä Å z t.i.i u. u À UJ À I- I 0 u 0 0 Cf) I- z w Cf) 0 I.LI : z u I- (9 en < Cf) 0 a. } I.LI 0 c 0 z I.I. z w - 0 0 0 I.LI I.LI z LL - w 0 - z 0 u I.LI 0 oc?S z w DRAWING NUMBER: 1 6 ---PAGE BREAK--- Sidewalk Typical All ® Corners t Vertical Clear Area I- To be Removed ® Sidewalk I I I / / / / / / / / Area within Sight Triangle Landscaping & Earthwork -I 40' - Face Of Curb (projected)® Face Of Curb (projected)@/ Street ( ԛLTree ' El.,alloo at Slreot Ceot"""' Q) ȼ Notes: 1 . Area within the Sight Triangle shall be kept clear of obstructions to provide the motorist with adequate field of vision at an intersection. Vertical Clear Area Shrub Sidewalk I- Area within Sight Triangle 2. Within the Sight Triangle all existing trees shall be kept trimmed such that ten feet (10') of clearance exists between any branches and the ground. Any tree branches overhanging the sidewalk shall be kept trimmed such that ten feet (10') of clearance exists between any branches and the sidewalk. 3. Within the Sight Triangle, all existing shrubs shall be kept trimmed to a maximum height of three feet 4. Sight obstruction Vertical Clear Area measurements shall be in reference to the existing centerline street elevation within the Sight Triiangle. 5. If curb does not exist, then the Sight Triangle will be measured by extending the edges of street pavement; on unpaved streets, the Sight Triangle will be measured by extending the edge of the traveled way as determined by the City Engineer. 6. This City Standard enforces Idaho Code 49-221 . 7. All dimensional criteria (as shown) must be satisfied. 8. Unusual topography may require more stringent requirements at some locations to obtain adequate Sight Triangles as determined by City Engineer. Fence I I -I ) \ z 0 z Q w > 0 w er: w 0 0 w 0 0 z 0 w z w Ä s: 0 Ä Cl) N Cl) Ç I 0 w 0 :J I w w I- w Ä Å z z I- u_ w w I- I 0 0 0 I- z w UJ 0 z u _J 0 Cl) < 0 a. - z w I- 0 - UJ LL z - en I- 0 w I- w UJ I z I- - C) z - z en u w DRAWING NUMBER: 1 7 ---PAGE BREAK--- Wrap Drain Rock with Geotextile Fabric, ITD Type II, Woven or Nonwoven SOR 35 PVCG) Alternative materials may be approved by the City Engineer t 6" min. DRAIN ROCKG) 1.0. +18" min. Drain Holes at Bottom TYPICAL SECTION Finished Grade Roadway Base Aggregate NOTES: 1 . "Subsurface Drainage" materials and installation shall comply with City of Moscow Standard Construction Specifications. 2. Base aggregate and surfacing depth and type to be the same as that required for the street section where this trench backfill is utilized. 3. Minimum pipe gradient = 1 % unless specifically allowed or directed otherwise by the City Engineer. z 0 Cf) z 0 Cf) Cf) w > 0 w w I- 0 0 w I- 0 0 z 0 w z Cf) w w _J w 0 N cc ̔ cc Cf) I 0 5: 0 Cf) I w f- w Ü z I- z LL w w f- I 0 0 0 I- 0 z Ll.J u w I- w 0 a_ (9 Ll.J LL Cl CJ z LL z - 0 en Ll.J Ll.J cc z 0 CJ z en - Ll.J u DRAWING NUMBER: 1 8 ---PAGE BREAK--- A / Sawcut Asphalt in Diamond _J Pattern and Patch w/ 4" Asph. (tack Req'd.) PLAN ï I 7-1/2" DIA. 1 111 6" I . - Crushed Aggregate , 6" DIA . 1 1" DIA. BASE SECTION A-A Casing / / B B t!L _J A f PLAN 7-1/4" DIA. - S/B"t r- -1 1 L Mo=tr-r=1 ==-r=i19Ff l 5/8" I L ˛ SECTION 8-8 80 Notes: 1 . Survey caps must be securely attached to rebar or pipe. 2. Survey monuments shown on the SURVEY MONUMENT Standard Drawing may be used as street monuments. 3. Survey caps will be aluminum or brass and a punch mark placed at the exact location. Plastic caps not allowed. 4. Cover and casing shall be machined to a true bearing all around. 5. The monument casing shall be bedded in aggregate. 6. The casing and cover shall be gray iron castings suitable for heavy traffic loading; minimum unit weight = 46 lbs. 7. The installation shall result in a 'bump-free' street surface, as approved by the city engineer. Cap w/ Punch Mark COVER DETAI L 8. The cover shall include the wording as shown. 80 1 4" Asphalt (2 Lifts, per City Standard) 5/8" Dia. (min.) X 30" Lg. Rebar or 3/4" l.D. (min.) X 30" Lg. Galv. Iron Pipe w/ 1-1/2" Dia . (min.) Cap (Alum.or Brass) To Be Rigid Following Installation 9. All materials shall be manufactured in the U.S.A. I 1 -1 DIA. (MIN.) -1 -1 DIA. (MIN.) -1 Punch Mark I Alum. or Brass Survey Cap - Must Be Securely Attached to Rebar or Pipe 5/8" Dia. (min.) X 30" Long Rebar 3/4" l.d. (min.) X 30" Lg. Galv. Iron Pipe MON U M ENT AN D CAS I NG DETAIL CAP DETAI L z 0 È z u 0 (jj UJ > 0 UJ UJ 0 0 UJ 0 0 z 0 UJ z (jj LI..i N 0 N u I fl) fl) 0 0 u 0 I UJ UJ z I- I- Å z u. u LI..i UJ I- I 0 u 0 0 r- I- 0 z z w UJ u I- 9 en 0 a_ w z Cl 0 CJ LL z 9 0 w r- w z UJ CJ UJ z - w u r- en DRAWING NUMBER: 1 9 ---PAGE BREAK--- A / / PLAN ao Sawcut Asphalt in Diamond Pattern and Patch w/ 4" Asph. (Tack Req'd.) Brass Cap / / / A I 7-1 DIA. 1 1 /1 6" ì . à I .ʆDIA. I 4" Asphalt (2 Lifts, per City Standard Construction Specifications) - z - - z 0 ʇ = N fe N 1 1 " IA. ase 6. f7 -q -q 6" f7 MIN. r· <7 -q Ju, j- f7 -q f7 f7 L -q f7 f7 f7 " I -q 6. í î SECTION A-A ҧ 1/2" Crushed Aggregate 1-1/2" l Pipe No.4 Rebar, 9" Long, Weld to Pipe (2 Req'd) Cast In Place Concrete MON U M ENT AN D CAS I N G DETAI L B WL r PLAN B j 7-1/4" DIA 00 Cx> S/S"nr -1 1 K Ner= rT=[ ==r=1:f fl 5/8"Ҩ' SECTION 8-8 ao COVER D ETAI L Notes: 1 . Cover and casing shall be machined to a true bearing all around. 2. The brass cap shall conform to the requirements of the most current edition of the Idaho Transportation Department's standard specification for highway construction. 3. The casing and cover shall be gray iron castings suitable for heavy traffic loading; minimum unit weight = 46 lbs. 4. All material except the brass cap shall be covered with a protective coating after welding. The coating shall be of a bituminous type or approved equal. 5. The installation shall result in a relatively 'bump-free' street surface, as approved by the city engineer. 6. The cover shall include the wording as shown. 7. All materials shall be manufactured in the U.SA. Letters shall be between 3/1 6" and 1 in Height and Punch Mark Placed at not less than 1 /32" Deep. Exact Point After Installation 3-1/2" DIA. Punch Mark Weld Cap To Pipe 1 -1/2" l.D. Black Iron Pipe (coated) ÚI BRASS CAP AN D P I PE DETAI L : - z 6 N z 0 i= a. Cf) z u Q Cf) Cf) w > 0 w w I- 0 0 w I- 0 0 z 0 w z CJ Cf) w N _J 0 u N cc Cf) I cc 0 u 0 CJ Cf) I w w z I- I- Å z u. u w w I 0 u 0 0 I- 0 z w u I- I- en z 0 w UJ Cl UJ 9 > 11.. z 0 w z w Cf) 0 z 9 z - w u DRAWING NUMBER: 20 ---PAGE BREAK--- Standard Manhole lid & Frame (see Std. Dwg. for Storm & Sanitary Manhole Ring & Cover) NOTES: 1 . Precast bases are preferred. 1 r Asphalt Patch (see Detail A) @JJ 2. Steps shall not be installed in the manholes. 3. Manholes located in paved areas shall have asphaltic hot mix patch four inches thick with top course mix restoring surface to exact line and grade of street. Manhole lids in new pavement shall be raised and adjusted to finished grade after completion of street paving. - 1 1 1 1 1 1 I I I 1 1 1 _ 1 1 1 t--t---t-t I Not to exceed 1 0" total 1 1 1 1 1 1 1 1 1 1 1 1 l l l l l l I l l I I I 1 1 1 1 1 l 1 1 1 1 1 1 1 1 1 1 1 1 111 1 1 1 1 1 1 1 1 1 11 1 ,ë 1 1 1 I I 1 1 1 , _ t - 1 1 1 . Cast-in-Place Concrete 4" of Comp. Aggregate f . I . 48" . . . 1 1 1==1 1 1=-l 1 1==1 1 l==li I l 1==1 1 1 1 1==1 1 i-=1 1 1==1 1 J- 1 1 1==1 1 2' • Min. 48" STANDARD MANHOLE w/ PRECAST BASE 6" Min. 1 1 11 Pipe thru M.H. . m w/ top cut-out . . (if possible) ITT ITT Mortar this area after m pipe is cut (Typ. ) 1 1 1 - - •I i1T 1 1 1 2 ft. 1 1 1 3 ft. 4 ft. 1 1 1 1 ft. 2 ft . 1 1 1 3 ft . 4 ft. 1 1 1 2 ft. 3 ft. ill 4 ft. 1 1 1 111 6" Min. i 6" Min. t #4 Rebar @ 1 2" O/C each way CAST-I N-PLACE min. embedment) AL TERNA TE BASE w z 0 4. Manholes located in unpaved streets or alleys shall have their lids adjusted to two inches below gravel surface. u Mastic Gasket Not Req'd. 5. All cast-in-place concrete shall be troweled very smooth. z 0 u w w ʅ Ill on Storm Manholes 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I [ I • I • I Ȼ ii 4 6. All joints between precast manhole/sections shall be very smooth . 7. All flow across manholes shall be on-tenth of a foot 1 fall, unless the flow changes direction more than 45°, then the fall shall be two-tenths of a foot or greater. 8. Channels shall be as per Standard Drawing for Manhole Base Details. 9. lids shall be set a quarter inch 0 w w 0 0 w 0 0 z 0 w z 0 Ci) LI..i Ø u 0 Ø Ill N Ill I 0 w 0 0 I w w w z u Ø Å z u LI..i w I 0 u 0 0 I- 0 z UJ u :2 I- LU s LU 0 _J UJ LU 0 0 C> en I LL z V z 0 UJ UJ z 0 V C> z - UJ en u DRAWING NUMBER: 21 ---PAGE BREAK--- Drop as © Requir7 Standard Manhole Ring and Cover (See Std. Dwg. for Storm & Sanitary Manhole Ring & Cover) Asphalt Patch (see Detail A) ©ID Iè Silicone Sealant Req'd.@ I l 1 /I ; _ _ _ _ Cf) é }Not to exceed 1 O" total 1 1 1 11 1 1 1 1 1 -1 1 1 2' Min. I l l I I ill Iʄ 1 1 1 r l l U Backfill@ 1 1 1 - - - - - - - - - - - - - - 48" " 1 1 1 1 1 1 m ill - 1 1 1 I I I 2' Min. 1 1 1 1 1 2 ft. w 3 ft. z 0 4 ft. z 0 1 ft. i= 2 ft. w Cf) 3 ft. _J 4 ft. w z 0 2 ft. i= 3 ft. w Cf) 4 ft. w Cf) Manufactured integral NOTES: 1 . 2. 3. 4. 5. Precast bases with integral pipe couplers are preferred. Manholes shall be constructed watertight and tested per Standard Construction Specifications. Steps shall not be installed in the manholes. Drop configuration is used when the entrance pipe exceeds two feet above the the top of the exit pipe and only with permission of the City Engineer. Drop pipe penetrations shall be neatly morta1red. Drop configuration not allowed in new manhole installations . Manholes located in paved areas shall have asphaltic patch four inches thick placed in tWlo lifts to exa ct line and grade of street. Manhole ring shall be 1/4" below finished patch. 6. Manholes located in unpaved streets or alleys shall have lid adjusted two inches below grravel surtacei. 7. All cast-in-place cone. shall be troweled smooth. 8. All joints between precast manhole/sections shall be sealed with mastic gaskets and finished with mortar. 9. All flow across manholes shall be one-tenth of a foot unless the flow changes direction more than 4 then the fall shall be two-tenths of a foot or greatter. 1 O. Manufactured watertight manhole couplings required at all pipe penetrations. 1 1 . Channels shall be per Manhole Base Details Standard Drawing. 1 2. Shallow manholes may be constructed with flat-top precast lids.as approved by tlhe City Engineer. 1 3. Seal between riser and cone, riser and riser, and riser and frame with two parallel 3/8" diametter beads of silicone sealant. 14. Where new manholes are constructed on existing mains, or where existing manholes are modified, all pip!e penetrations shall also be sealed on the exterior by the careful and ample application(s) of rnon-shrink grout. Groutable manufactured collars shall be used on new pipes where they enter existin91 manholes. 1 5. Manufacturer's standard 0-ring joint also acceptable alternate to the standard mastic gasket and mortar joints as shown. pipe coupler, neatly grout 16. Contractor shall comply with the most current OSHA requirements for excavationis. . 6" . . . " inside pipe penetration Anti-Floatation Base Compacted/Undisturbed Subgrade 48" STANDARD MANHOLE w/ PRECAST BASE 8" Min. Pipe thru M.H. 1 1 1 4" Min. w/top cut-out 111 6" Min. - 1 1 1 t 1 1 1 6" Min. f Extend Std. Base Rebar into ledge: All-Around. 17. Backfill around manholes shall be Class for all roadways and alleys; Class for all other !locations unless specifically allowed or directed otherwise by the City Engineer. I Ù s:j ,gl ̒ ' / ' / Manhole Ring and Cover Mastic Gasket ® Complete Coverage ALL JOINTS (Outside Exposure) MORTAR (inside joints) Compacted/Undisturbed Subgrade v Asphalt Patch (Round or Square) (Hot Mix) @ASPHALT PATCH DETAI L Manufactured Manhole Coupler JOINT DETAI L CAST-I N-PLACE ALTERNATE BASE Cf) z 0 Cf) > w 0 w 0 0 z 0 w z Cf) 0 w I-LL 0 z 0 i= Cf) w 0 w 0 Ä s: Ä w w UJ s UJ - z LI..i _J Cf) 0 w z Ä Cf) I- f z w 0 0 u en UJ 0 0 LL z 0 V - u DRAWING NUMBER: 22 0 N I I iii 0 z w a_ w 0 (9 z w w z (9 z w ---PAGE BREAK--- Pipe Thru M.H. wt I Top Neatly Cut-Out 3' Min. Grade Ring 4" Max Cut Out Cone as Required 1 Cast-in-Place Concrete, As Shown NOTES: 1 . Manholes shall be constructed watertight- test per Standard Construction Specification. 2. Steps shall not be installed in the manholes. 3. 4. Manholes located in paved areas shall have asphaltic patch four inches thick placed in two lifts to exact line and grade of street. Manhole ring shall be quarter inch (1 below finished patch. Manholes located in gravel streets or alleys shall have lid adjusted to two inches below gravel surface. 5. All cast-in-place cone. shall be troweled smooth. 6. Manufactured watertight manhole couplers are required at all pipe penetrations. 7. Contractor shall comply with the most current OSHA requirements for excavations. 4" of 3/4" _ _ Compacted l Aggregate T Support Cone Through Rebar During Casting 8. Seal between riser and cone, riser and riser, and riser and frame with two parallel of an inch diameter beads of silicone sealant. 8" t #4 Rebar @ 12" o/c each way min. clearance) SECTION 1 NTS 8" Min. 1ç . SECTION 2 NTS Compacted/Undisturbed Subgrade Manufactured Manhole Coupler (2 Req'd) 3' Concentric Cone, 48" l.D., 5" Thick Cut Out Top of Pipe 9. Backfill around manholes shall be Class for all roadways and alleys; Class for all other locations unless specifically allowed or directed otherwise by the City Engineer. 10. City standard manhole ring and cover; a 4.5" traffic rated ring and lid will be allowed with approval from City Engineer. 1 1 . Type D manholes shall comply with the Standard Construction Drawing for Manhole Base Details. / / < 3 Asphalt Patch (Round or Square) (Hot Mix) / / / / / ' / ' Manhole Lid and Frame ' ' ŏ ' ' > / / / / / / z 0 a. Cf) z 0 Cf) Cf) w > 0 w w I- 0 0 w I- 0 0 z 0 w z U5 Li..i » _J s: 0 N co s co I 0 0 2' I w iil w z en I- I » > I- LL Å z Li..i Ci w Ci ʃ I 0 0 0 æ t- 0 z UJ u ̑ t- I- en - UJ 0 z UJ 0 Ő 0 en I ll.. z s z 0 UJ UJ 0 Ø z 9 z - UJ u I en DRAWING NUMBER: 23 ---PAGE BREAK--- A SA N I TA RY C O V E R ȷ I ·.ŊŋŌ ōŎJI? / ʂ l l I II fl =å 1 I 11 1 1 ʁ 25-1/4" Dia. 3/4"_.jÖ 23-1 Dia. C OV E R S E CT I O N A - A A (See Cover Pattern Detail) STO R M C O V E R 1-25-1 Dia. I I ct. A 3° draft on surfaces, as needed 1/2" 7/8" A 3/4" NOTES: 1 . Raised letters are Sharp Face Gothic font; 2.5" for "SANITARY" and "STORM," 1 for "CITY OF MOSCOW." Center word about center line. 2. Cast covers of Grey Cast Iron; ASTM A48 Class 1 38. 3. All covers shall be interchangeable within the dimensions shown. All mating surfaces shall be machine finished to ensure a non-rocking fit The inside vertical recessed face of the ring and the vertical outside edge of the cover shall be machined or manufactured to the fallowing tolerances: Ring - +3/32 inch to -3/32 inch Cover - +3/32 inch to -3/32 inch 4. Rings (traffic rated) of lesser height may be used in special circumstances, as allowed by the City Engineer. CD Raised Letters 3/4" Dia. drilled thru. 25-1/2" Dia. 3/4" j 3/4" 3/4" Dia. drilled thru. 6" 24" Dia. 6" 36" Dia. R I N G S E CTI O N B - 8 B 5/8" Web typ. CD Raised Letters C O V E R PATT E R N D ETA I LS R I N G Cf) z 0 Cf) > UJ 0 UJ 0 0 z 0 UJ z Ci) al 0 UJ I- 0 z 0 u Cf) UJ 0 UJ I- 0 Ø U UJ UJ u Cl:: I- - z en oes 9 Cl:: 0 I- en LU _J u al Cf) 0 Cf) I- UJ z z u UJ I u 0 Cl:: UJ > 0 0 u en oes 0 (9 z LL - Cl:: 0 UJ _J 0 - u z 9 DRAWING NUMBER: 24 0 N I I LU I- 0 z w w 0 z w w z z w ---PAGE BREAK--- Note: All channels to be shaped (See Channel X-Section) Manhole Barrel (typ.) - CJ ' l I> - LJ ˘ ' Slope Base as Arrows Indicate (typ.) Slope 1 TYPE A TYPE B Stub for future TYPE D TYPE E For Dead End Line .1 D TYPE C Slope 1 ' Typ. - ҥ Pipe Width I Min.) I ˗ Slope 1 ' Typ. - 0 w w I- 0 0 w I- 0 0 z 0 w z CJ) iii _J U 0 N co co CJ) I 0 w 0 CJ) I w w w f z I- I- z LL iii w I- I 0 0 0 <1 0 z w w u U) en 0 a:l U) w _J 0 w - _J LL. z J- 0 0 w I w w 0 z z z - w 9 u DRAWING NUMBER: 25 ---PAGE BREAK--- Frame and Grate Road Surface f 4" 8 -1/2" 4" (typ.) 1 1 : 19" I 1 L i l j I I I I I I 2 A I t 6" or 12" I r I I I ! l-f I I 16" L_ _ _ _ _ _l 44" I. I. 23" I J s -1n· 34" 20" 0. I I I\ \ \ J J _ - - N Risers, Min. as Req' d. K nockouts for Pipe L ift Holes, Fill with + Mortar after L ifting I into Place. I I 19"-J I 5-11 2" (typ. ) ǔ SECTION A-A CATCH BASIN NOTES: 1. Catch Basins shall be used in all City streets, City park ing lots, and City alley s fo r catchment and conveyance of surface r unoff. Catch I nlets are n ot to be used in these locations u nless specifically allowed by the City Engineer. 2. Catch Basi n shall be precast concrete per WSDOT Catch Basin Type 1 and Catch I nlets per WSDOT Concrete I nlet, unless other wise approved by the City Engineer. 3. Catch Basins located in paved areas shall have asphaltic patch four inches thick (ini two lift s) restoring sur face to original line and grade. (see note 6) 4. Catch basins located in gravel streets or al leys shall have grate adjusted two inches below gravel surface. 5. All pipes shall protrude 1 into the basin and shall be neatly mor tared all around (inside and outside). Exit pipe to man hole or storm main shall have 1'-6 " minimum cover. 1 4" 1 22" 1 4" r- 1 4" 1 26" 1 4 " 1 I I - I - " I - I I \ I I f 18 " \ I I I- I I I - " I \ I \ I I I - I I 25" I I Dia. I I I \ I I - L _J I- I I \ I \ I I I ' / L - - Ҥ - - L 34._J CATCH INLET 6. Catch Basins shall be set 0. 10 fo ot lower than adjoining street grade. 7 . All materials shall be manufactured in the U.S. A. 8 . Catch Basins and Inlets shall be pre-cast concrete confo rming to AASHTO M199 or ASTM C478 , as shown. 9. Catch Basins and I nlets shall be back filled to gr ade as per adjoining pipe trench backfi ll. 10. Catch Inlets may only be used as a 'bubbler' , area drain, or where clear ance over some particular obstacle is necessary and if approved by the City Engineer. 11. Frames and Grates shall be as per the Catch Basin & Catch I nlet Gates and/or the Combination Inlet Standard Drawing . z 0 ú 0 w w I- 0 0 w I- 0 0 z 0 w z > º 0 ClJ 3: ClJ w w a w a 0 w 0 0 z 0 w z (9 Cl) . . a:i ro a:i 0 3: 0 w w I- w u. . u o w I 0 u z w I- I- C) od c::c u : ̏ G w u Cl) (9 . z - I- s . z 0 0 u en 0 LL 0 - u DRAWING NUMBER: 27a 0 N I . . w 0 I- z w I- w 0 z w w z z w ---PAGE BREAK--- - 5 1/2" Hood 1 Min. Safety Bar I Debris Guard ® 5/8" Min. Dia. Steel Rod 1 " MinI Typ. ˖ -11 29" Min.::=:=rl 20 1/4" @ ® Hole or Slot for Attaching Hood (typ.) FRAME DETAIL TOP VIEW 0 J ɇ N Frame - r Top of Grate Detail Section A c: ȳ N Catch Basin ® Face of Curb ɛ Grate ' / I \ - + I I \ _ / I -34" (Type 1 ) I r-40" (Type 1 L)--j SECTION A NOTES: 1 . Curb and Gutter Pan design a s per WSDOT Combination Inlet. 2. The dimensions of the Frame and Hood may vary among different manufacturers. The Frame may have cast features intended to support a grate guard. Hood units shall mount outside of the Frame. The methods for fastening the Safety Bar I Debris Guard Rod to the Hood may vary. The Hood may include casting lugs. The top of the Hood may be cast with a pattern. 3. Attach the Hood to the frame with two 3/4" x 2" hex head bolts, nuts, and oversize washers. The washers shall have diameters adequate to assure full bearing across the slots. 4. When bolt-down grates are specified, provide two holes in the frame that are z 0 I- en z 0 u en en > w w 0 w ~ 0 vertically aligned with the grate slots. Tap each hole to accept 5/8" x - 1 1 NC 2" hex head cap screws. Location of bolt-down holes varies among different manufacturers. See BOLT- DOWN DETAIL, WSDOT Standard Plan B-30.10. 5. This plan is intended to show the installation details of a manufactured product. It is not the intent of this plan to show the specific details necessary to fabricate the castings shown on this drawing. 6. The asymmetry of the Combination Inlet shall be considered when calculating the offset distance for the catch basin . See SECTION A. Curb or Curb and Gutter Match Top of Hood to Top of Curb (typ. ) Hood ISOMETRIC VIEW COMBINATION INLET 20" x 24" Vaned Grate 0 w I- 0 0 z 0 w z en CJ) . . "O c:c ctl c:c 0 3: 0 w w "O I- w LL • u w I 0 I- LU _J z z 0 I- z al 0 w en : en z õ %  z 0 0 u en 0 LL 0 - u DRAWING NUMBER: 27b 0 N I I • • Cf) w I- 0 z w a_ w 0 CD z w w z CD z w ---PAGE BREAK--- NOTE: Vanes to be placed towards origin of water flow Cast Iron Frame A _1 N I co A J â 22- 1/2" I u:t 1-s1a · lDI:}I @ 4 -1/2":::JT 1/8 " Top L__1J 3/4 2_ 11 & Bottom I- · 1-5/8" S ECTION A-A NOTES: 1 . Standard Frame and Grate as per WSDOT Rectangular Frame and Rectangular Grate. 2. A 2-1 /8 " riser is also available. 3. All pipes shall protrude 1 into the inlet and shall be neatly mortared all around (inside and outside). Exit pipe shall have 1. 5 foot min. cover. 4. Inlet grates and catch basins in paved areas shall be set one-tenth of a foot 1 lower than adjacent ground elevation . 5. All materials shall be manufactured in the U .S.A. 6. Type grate required in all installations unless specifically allowed otherwise by the City Engineer. 7. Catch basins located in unpaved streets, alleys, or landscaped area shall have grate adjusted two inches ( 2" ) below gravel surface. 8 . All basins, frames, and grates shall be rated for heavy traffic loading. 9. Rectangular solid metal cover may be used at junction points where grate is not necessary. B 1-1/4" A A 24" - 1 " 2-1/2"--l 1 = 2- 3/4 " SECTION B-B A B - 1· · 4 Equal Spaces SECTION 8-B 0 1 0 1 N l_ T SECTION A-A I -ã 3" Typ. t Rectangular Vaned Grate Ȳ j_ T SECTION A-A T _t ci ȱ in 3" Typ. t Rectangular Vaned Grate (Bi-Directional) z 0 I- Cf) z 0 Cf) Cf) > w w Cl w ~ Cl 0 w 0 0 z 0 w z . .  ɻ ɼ o  w - f- w LL W 0 I- UJ z - g z - en en :c 0 I- > en 0 : w Ø ȴ w I UJ I- C) - UJ I- w • z Cf.! - I- . z 0 0 u en 0 LL 0 - u DRAWING NUMBER: 27c N I • • CV') w 0 I- z w I- w 0 (9 z w w z (9 z w ---PAGE BREAK--- NOTE: Vanes to be placed towards origin of water flow A Frame (Cast Iron) SECTION A-A A 2" J_ B A Grate (Ductile Iron) 7-1 l--+4-3/4" ÒÓ1 r-1 l--1" t LßàáJ NOTES: 2" I r--2-3/4" SECTION B-8 1. All pipes shall protrude 1"-2" into the inlet and shall be neatly mortared all around (inside and outside). Exit pipe shall have 1.5 foot min. cover. 2. Inlet grates and catch basins in paved areas shall be set one-tenth of a foot (0.1 lower than adjacent ground elevation. 3. All materials shall be manufactured in the U.S.A. 4. Catch basins located in unpaved streets, alleys, or landscaped areas shall have grate adjusted two inches below gravel surface. 5. All basins, frames, and grates shall be rated for heavy traffic loadin g. z 0 I- Cf) z 0 u Cf) Cf) > w w 0 w 0 0 UJ I- 0 0 z 0 UJ z en . . s CD CD 0 o - UJ Cf) UJ I- Ý Þ G UJ I 0 w _J UJ Ŗ 8 - ¼ -e z C> - en - ʼn CL> C:C UJ 0 I f!S LI..i en • z ȵ - I- . C2 z 0 0 u en 0 0 - u DRAWING NUMBER: 27d N 0 N I N I . . N UJ 0 I- z w I- a_ w 0 <9 z w w z <9 z w ---PAGE BREAK--- Sanitary Sewer House Connection Aggregate Sewer Main Locate clean-outs as per the Uniform Plumbing Code (UPC) Backfill in accordance with City Standards R/W (95% min. comp.) Street Pavement Concrete Curb / ' ' ' ' ' SL= 1/4"/ft. min:* . ' 2' min. 4 c! 0 <1l Finished Grade • Ɏ • 0 LL OJ "O Ȱ.;"3 cc . 4 • House Stub-out Calder-style coupling adapter or equal with appropriate gasket NOTES: 1 . Pipe materials shall be as follows: a. Within public right-of-way: SOR 35 PVC, (ASTM 0-3034 with integral gasketed bell and spigot joints. b. From right-of way to within two feet of the house: SOR 35 PVC, (ASTM 0-3034 with integral gasketed bell and spigot joints or Schedule 40 ABS plastic pipe with glued fittings. If the water service line and sanitary or storm drain service lines from the right-of-way to the house are installed in the same trench, the piping material shall be Schedule 40 ABS with glued fittings unless all three of the following requirements are met a. The bottom of the water pipe, at all joints, shall be at least twelve inches (1 above the top of the sanitary or storm drain service line . b. The water pipe shall be placed on a solid shelf, excavated at one side of the common trench, with a minimum clear horizontal distance of at least twelve inches (1 from the sanitary or storm drain service line. c. Where the sanitary or storm drain line crosses the water service line, the top of the sanitary or the storm drain line is a minimum of twelve inches ( 1 below the water service line. 2. Trench bottom to be prepared, as required, for a firm bed. 3. Existing sewer mains shall be tapped by the City, at the Owner's expense. 4. Sewer service laterals shall be connected to the new mains with manufactured wyes. Connection to existing mains require ROMAG 'C B' saddles, or equivalent. Bend as required 4" Service connection (typical) * Unless otherwise approved by the City 5. Owner to obtain the necessary permits from the Moscow Community Development Department and Public Works Department. Sanitary & Storm Sewer Service Laterals (Stubs) R/W 5' . I minɸ Marker Installation -(with glued cap) 1 'min.-3'Jax j Backfill in accordance with City Standards Marking Tape Labeled "STORM" or "SEWER" (wrap 4' of pipe) @ Aggregate Sewer Main (95% min. comp.) Backfill with [-1-+-native material SL= 1/4"/ft. min. (92% min. comp.) 45° Bend Finished Grade Bend as required 4" Service connection (typical) * Unless otherwise approved by the City 6. This work shall comply with the Uniform Plumbing Code (UPC). 7. Sewer services shall connect to the sanitary sewer main at a point above the centerline of the pipe. 8. Construction to be inspected by the City. 9. Sanitary service laterals (stubs) shall be air tested with the sanitary sewer main. 1 0. All backfill under sidewalks shall be crushed aggregate. (95% minimum compaction) 1 1 . The service lateral (from main to house) shall be bedded in sand or crushed aggregate; from two inches under the pipe to two inches over the pipe. 1 2. SANITARY service laterals shall be green pipe from the main to the house, including stub outs and markers. 1 3. STORM service laterals shall be white pipe from the main to the house, including stub outs and markers. 14. Marking tape shall be three inch wide commercially manufactured , and labeled "STORM DRAIN" for storm sewer and "SEWER" for sanitary sewer use. 1 5. Storm drain and sanitary sewer services (private) located within public street right-of-way or public utility easements shall have a 2.5' minimum burial depth unless specifically allowed otherwise by the City Engineer. z 0 Cl. Cf) 02 z 0 Cf) Cf) w > 0 w w I- 0 0 w I- 0 0 z 0 w z (9 Cf) w _J N 0 N cc cc Cf) ' 0 (9 Cf) 0 5 ' w w z I- N I- z LL w w I- I 0 0 0 w en s z 0 z w w 0 u en I- en ɺ u 0 w w 0 z 0 z (9 I- LL z en 0 oc?S u 0 w w w z (9 u z > - w I- u - w Ü en en DRAWING NUMBER: 28 ---PAGE BREAK--- * Contractor shall insure that corporation stop is turned open before backfilling trench 2"X4" Marker installed at capped end of service lateral (Marker provided by City) ® R/W Backfill in accordance with City Standards Water Main Aggregate (95% min. comp.) Concrete Curb / . I I Corporation Stop * (installed by City) -I t I t ' t t c: ʊE 0 1 Ң- / Finish Grade t . c: ʋE 0 Ú I • Sidewalk · • ' I ' I < I t ' ' f p 2" Dia. min. conduit installed 2' from front of sidewalk to 2' behind back of sidewalk @ Fitting and connection to the water meter is the responsibility of the Owner 1 " CTS PE Water Service Lateral (unless specified otherwise) G) Water Meter Connection (with green strip) 2"X4" Marker installed at capped end of service lateral stub ® (Marker provided by City) R/W Backfill in accordance with City Standards Water Main ɗ Aggregate * Contractor shall insure that corporation stop is turned open before backfilling trench (95% min. comp.) Concrete Curb Corporation Stop (installed by City) l I 1 'min.-2'max. Finish Grade ÛI - Sidewalk . 1 1 Curb Stop 1 ' t Fitting and connection to the water meter is the responsibility of the Owner 1 " CTS PE Water Service Lateral (unless specified otherwise) G) Water Meter Connection (no green strip) NOTES: 1 . Pipe and fittings, from the water main to the curb stop, will be supplied by the City. 2. Water main shall be tapped by the City. 3. 4. Trench bottom to be prepared, as required, for a firm bed. If the water service line and sanitary or storm drain serv1ice lines, from the right-of-way to the house, are installed in the same trench, then all three of the following requirements shall be met: a. The bottom of the water pipe, at all joints, shall be at least twelve inches ( 1 above the top of the sanitary or storm drain service lines. b. The water pipe shall be placed on a solid shelf, excavated at one side of the common trench, with a minimum clear horizontal distance of at least twelve inches (12") from the sanitary or storm d rain service line. c. Where the sanitary or storm drain line crosses the water service line, the top of the sanitary or the storm drain line is a minimum of twelve inches (1 below the water service line. The roadway subgrade shall be established prior to the installation of the water service laterals. 5. The water service lateral shall be bedded in sand or pea gravel from four inches under the pipe to four inches over the pipe. 6. After the installation of the water service lateral, a 2"X4" wooden marker shall be placed at the capped end of the curb stop. The marker will be provided by the City. It shall be the responsibility of the Contractor to install, maintain, and protect the marker. 7. The capped curb stop shall be located eighteen inches (18") beyond the back of curb, if placed in the green strip, and one foot ( 1 minimum to two feet maximum beyond the back of sidewalk, if sidewalk is installed next to the curb. 8. The capped curb stop shall be buried to a minimum depth of thirty inches (30 from finished grade elevation. 9. The water service lateral and curb stop shall be installed perpendicular to either the curb or the sidewalk. 1 0. When water meter is located in the green strip, a two inch minimum diameter conduit shall be installed extending two feet from the front of the sidewalk to two feet behind the back of sidewalk. 1 1 . Pipe installation shall be inspected by the City before the trench is backfilled. 1 2. Owner to obtain the necessary permits from the Moscow Community Development Department and Public Works Department. 1 3. The Owner's work shall comply with the Uniform Plumbing Code (UPC). 14. All backfill under sidewalks shall be crushed aggregate (95% min. compaction). z 0 i= Cl. Ci:'. z 0 w > 0 w w I- 0 0 w I- 0 0 z 0 w z C> Li.i _J 0 N en en I 0 0 d C> ' I- w w z I- > z LL LI..i w I- I 0 0 0 ¹ 0 z LU w en ¹ z - > 0 0 w - 0 LU I- CJ en LL z LU 0 w z w LU z z I- 0 CJ z - w s DRAWING NUMBER: 29 ---PAGE BREAK--- New Hydrant (painted high intensity red) NOTES: The ground surface around the hydrant shall be finished equal to, or better than, the the original surface. FIRE HYDRANT INSTALLATION 1. Thrust blocks shall be cast against undisturbed, firm earth. 2. Hydrants shall be set truly vertical. @ ȭ Stortz Fitting Required 1 1 ' Min . 3. Materials and installation shall also conform to the City's Standard Specifications . Replace Concrete Sidewalk 7 (if required) ß . I Comp. Backfill: native in landscape area; aggr. under and within 2' of curb, sidewalk, or street Polyethylene Sheet (10 mil.) ro > 16" - · Topsoil Firm, undisturbed earth Stainless Steel Tapping Sleeve (FLG.) Cast-in-Place Thrust Block (with 4 sq.ft. of bearing) Hydrant Drain Hole (do not encase plug) Precast Cone. Blocks 2' Replace Concrete Curb or Curb/Gutter (if required) Street Surface 4. FOR LIVE TAP ONLY: After the Contractor exposes the main, the City will provide the labor and pipe tapping tools for this connection at a set fee to the Contractor. Contractor is / Valve Box Cover responsible for trench backfill and street patch in accordance with City Standards. . . . . . . . , . . T City Main M.J.xM.J.xFLG. Class 51 D.I. Pipe; 6" Min. Dia. M.J. 95% min. Compacted Aggregate 1 /2 cu. yd. of 1-1/2" drain rock around base of hydrant at the drain hole. Thrust Block (as per the Water Main Trust Blocking Std. Dwg.) Water Main 6" Gate Valve (Flg.xFlg.) 5. Where sidewalk is adjacent to or within four feet of the back of curb the hydrant shall be located one foot (1 behind the sidewalk (measured from the face of the hydrant cap to back of sidewalk). Where there is curb but no sidewalk the hydrant shall be located two feet from the back of curb (measured to the face of the hydrant cap). Where there is no sidewalk or curb locate the hydrant as directed by the City Engineer. All fire hydrants and the water lines to the fire hydrants become the City's once installed. Twenty foot (20') wide public utility easements centered on and around the fire hydrant and the waterline to the fire hydrant shall be granted to the City. 7. Furnish and install protective bollards if required by the City Engineer. 8. A three foot radius clear zone required all around fire hydrant, maximum slope of 1 9. Fire hydrant to be set to manufacturer elevation and bury specifications. Class 51 D.I. Pipe Req'd. 20' Min. Tee (FLG.xFLG.xM.J.) t 25' Max. 2' 6" Class 51 D.I. Pipe Thrust Block New Hydrant(M.J.) I Gate Valve (FLG.xM.J.) ,,_Varies LIVE-TAP HYDRANT DETAIL 1 I @OPTION 1 Fire Hydrant (FLG.) Thrust Block Thrust Block Fire Hydrant Reducer (as Req'd.) DEAD-END FIRE HYDRANT DETAILS @OPTION 2 Water Main G.V.(M.J.) J { Grip Ring z 0 z u 0 w > 0 w 0 w f 0 0 z 0 w z (9 ca 0 w f- u. 0 w f 0 U UJ w u I- z 0 I UJ LL Li.i _J u ca 0 (9 w z f- > z u w u 0 0 u en 0 9 LL UJ 0 Cf) Cf) - u DRAWING NUMBER: 30 0 N I I I Li.i 0 I- z 1.1.J I- 1.1.J c C} z - 1.1.J 1.1.J z - C} z 1.1.J ---PAGE BREAK--- CROSS WITH REDUCER 90° ELBOW WYE TEE CROSS WITH PLUG Water Line (Typical) TEE WITH PLUG CROSS WITH 2 PLUGS Tie Rods, See Note 4 (Typ.) 1 1 -1 22-1/2° OR 45° BENDS VERTICAL DOWN BENDS THRUST BLOCK SIZE Horizontal Bends Vertical Size Sq . Feet of Bearing Down of on U ndisturbed Eartlh Bends Pipe Tees & goo 45° Ñ Cu .Yds. Deadends 0 4" 2 3 1-1/2 1 1 /2 6" 4 5-1/2 3 1 -1/2 1 /2 8" 7 9-1/2 5 2-1 /2 1 1 0" 1 1 1 5 8-1 /2 4 1 -1 /2 1 2" 1 5-1/2 22 1 2 6 2 1 6" 21 27 21 1 1 2-1 /2 NOTES: 1 . Thrust blocking for water mains shall be, as a minimum, the size indicated in the above Table. 2. Concrete shall be from a commercial source and be a minimum of 5-sack mix or ITD Class 22. 3. Concrete shall not be allowed in joints or in contact with pipes. Protect with plastic or paper sheeting prior to placing concrete. 4. Tie rods shall be 3/4" minimum diameter steel; coat tie rods with bituminous coating or approved equal. Hook min . ) all embedded ends. 5. The minimum distance between the fitting and excavated bank shall be three pipe diameters. 6. Thrust blocks shall be cast against firm, undisturbed earth, as approved by the City Engineer. 7. Thrust blocks must be inspected by the City prior to backfill. 8. Thrust blocks for vertical up bends shall correspond to the requirements of horizontal bends. z 0 I- CJ) a_ z 0 u CJ) CJ) > w w 0 w 0 0 w 0 0 z 0 w z CJ en . .  s m  o _ w u t  0 z - 9 w $ m 0 ̎ w w G I C) z - : 0 _J lll Cf) I w CJ . z - I- s . z 0 0 u en 0 LL 0 - u DRAWING NUMBER: 31 N 0 N I c.o I N w f- 0 z LLl :E a. LLl 0 C> z - LLl LLl z - C> z LLl ---PAGE BREAK--- Compacted Crushed Basalt Backfill Width as approved by the City Engineer Approved Creek Bedding . . . . . 4 4 . . . . ' b . . TRANSVERSE SECTION 1.D.+1 8" 6" min . typ. . . Cast-in-Place Concrete Encasement · . Water Line . . Approved Excava1ed Material (95% Min. Comp. Req'd.) Pit Run Rock min.-1 2" max. Dia.) NOTES: 1 . Gate valves shall be located each side of the crossing. 2. The depth of burial and location must provide for creek bank cleaning excavations. 3. Subgrade at the bottom of the trench must be firm. If not, the trench must be over-excavated as directed by the City Engineer and backfilled with compacted crushed basalt. 4. Concrete encasement shall be 6-sack City Standard. 5. Tie rods shall be per City Standard for vertical thrust blocks. 6. Grip rings shall be used with all creek crossing mechanical joint fittings, including the gate valves. 7. Creek crossing permits required as applicable. Creek bottom and bank restoration as required by Army Corps of Engineers Permit. 8. Erosion and sediment control shall comply with City Code. 9. Minimum water main cover = 4.0 ft. throughout the crossing; as measured from finish grade to top of pipe. Thrust Blocking-Twice the standard size Standard Tie Rods (coated) 4 Class 51 Ductile Iron Pipe (Typical between valves) Cast-in-Place Concrete Encasement Mechanical Joint Fittings Precast Concrete Blocks Approved Excavated Material Creek Bedding Pit Run Rock min.-12" max. Dia.) r Existing - CreeԚ Bed _ _ Precast Concrete Blocks LONGITUDINAL SECTION z 0 Cf) z 0 Cf) w > 0 w w f- 0 0 w f- Cl Cl z Cl w z Cf) w _J d 0 co Cf) N co en I Cl Cf) Cl ҡ I w z f- w ö z f- w w f- I 0 Cl Cl I- z ɷ 0 LI.I z z u - en en en 0 Q. LI.I 9 0 c C> u. z - UJ 0 LI.I r- ¿ LI.I UJ z - s UJ C> z u LI.I DRAWING NUMBER: 32 ---PAGE BREAK--- Seeding Requirements to be Determined by City Engineer Final Grade Approved Topsoil - (90% Min. Comp. Req'd.) Approved Excavated Material -(95% Min. Comp. Req'd.) Imported Pipe Zone Material 1 2" min. - NOTES: BACKFILL CLASS A TYPICAL SECTION 1 . Class Backfill shall be used in areas where there is to be re-vegetation and some trench settlement may be tolerated. 2. Class Backfill may not be constructed within the public right-of-way and has limited application - refer to the City's Standard Construction Specifications. 3. Contractor shall comply with the most current OSHA requirements for excavations. 4. Backfill shall comply with the requirements of the City's Standard Construction Specifications. 1 2" min. 1 0' 1 2' t l Varies 1 2' t Final Grade 1 2' Pipe Zone Ð 4" Min. 1 2" min. c,r̍ v r,1.J o r r .o CFi "QI /Jr 'JO ɵ / 0 Granular Material c• ' gor1 ɶ9 (95% Min. Comp. R_eq'd.) Qct'. ˔ 0 " U _ U _ \.Jr c joonor nr , , , > ( ,cFi_,c Þ Approved Excavated Material (95% Min. Comp. Req'd.) Imported Pipe Zone Material l" j O.D. + 24" min. - BACKFILL CLASS B TYPICAL SECTION 1 2" min. z 0 Cf) a: z Q Cf) w > Cl w LU I- Cl Cl w I- Cl Cl z Cl w z U5 iii "O ¼ Cll 0 "O N en w en I Cl l.l) Cl I w w z I- a. I- a. z LL S2 iii w I- I Cl Cl Cl I- 0 z w u I- a:l en _J 0 g w _J 0 - z : en LL en 0 w w z a:l _J z - w u DRAWING NUMBER: 33a ---PAGE BREAK--- Seeding Requirements to be Determined by City Engineer Final Grade Approved Excavated Material (95% Min. Comp. Req'd.) 1 2" min. Imported Pipe Zone Material New Pipe - 0.0. + 24" min . _ _1 NOTES: BACKFILL CLASS C TYPICAL SECTION 1 . Class Backfill shall be used in areas where asphalt pavement, concrete curb, sidewalk, driveway, or gravel surfacing is not anticipated and where topsoil is not required. 2. Class Backfill is for areas where asphalt pavement, concrete, curb, sidewalk, or gravel surfacing is existing or anticipated. 3. Contractor shall comply with the most current OSHA requirements for excavations. 4. Backfill shall comply with the requirements of the City's Standard Construction Specifications. 1 2" min. Final Grade Varies 1 2' 1 2' t Pipe Zone 4" Min. 1 2" min. cu . c OOcP I Q 0:-̌i a orH c oc. G' , D c<=i-:c uo o 00, , cor Cr,c 1: Oo 0G Granular Material q. (95% Min. Comp. Req'd.) 0.0. + 24" min. BACKFILL CLASS D TYPICAL SECTION 1 2" min. z 0 a. 02 z 0 UJ > 0 UJ UJ I- 0 0 UJ I- 0 0 z 0 UJ z C) Cl) w 'E ro _J ÷ 0 'O N ca UJ ca I cj 0 0 C) I I- UJ UJ e z a. z I- a. > u_ ̋ w e UJ I- I 0 0 0 0 z w u 0 en _J 0 oes w _J 0 - (9 LL z : en fJ. en 0 w w z ell _J (9 z - w u DRAWING NUMBER: 33b ---PAGE BREAK--- Subgrade Separation Geotextile Fabric (ITD Type II, Woven or Nonwoven) Asphalt Place in Two Equal Lifts (New Street) Approved Native Excavated Material (95% Min. Comp. Req'd.) ® Varies Varies Asphalt Place in Two Equal Lifts (New Street) Granular Material o,)g_i01 o0 QI") G 1 8" min. (typ.) ® 0C1Do,-JO I (95% Min. Comp. Req'd.) o Qr,O o.cor-, .p o - _ _ _ _ _ _ _ ˓ _ _ _ _ _ _ _ _ _ _ .0i){)1 ·nr_i(.r_, J<.'.}ouC110 o' 1 o' -Ȭ OL_10uo0 1 2" min. - NOTES: ocQ·;o . er JQ_gr:ic Imported Pipe Ňi-{3 ,o Zone Material rC)CI 0 New Pipe - O.D. + 24" min. BACKFILL CLASS E TYPICAL SECTION 1 2" min. 1 . Class Backfill may be substituted for Class Backfill within new streets only (not existing streets) if specifically allowed by the City Engineer. 2. Class Backfill shall be utilized in trenches within existing pavement. 3. Compaction for all trench backfill above the pipe zone shall be 95% minimum of MSHTO T99. All native backfill material shall be placed in six inch maximum lifts and wide sheepsfoot roller. Density testing frequency for native backfill will be in excess of that required for the Class crushed aggregate backfill. 4. Backfill around manholes and catch basins shall be all crushed aggregate; native material backfill will not be allowed. 5. Base aggregate depth and type to be the same as that required for the street section where this trench backfill is utilized. I (81" i()1 ) . 1 2' 1 2' puQoc Imported Pipe ň<;:SJ• Zone Material New fɴ, t Pipe Zone Ï Pipe ņ 0 0 '.JOr 4" Min. j 1 2" min. - O.D. + 24" min. BACKFILL CLASS F TYPICAL SECTION 1 2" min. 6. All trenches excavated within existing paved streets shall be backfilled and surfaced the same day with a two inch thick compacted cold mix asphalt patch (smooth) - to be replaced with the City's standard four inch hot mix asphalt surfacing as soon as scheduling allows; unless specifically approved otherwise by the City Engineer. 7. The new asphalt patch shall match the existing pavement grade. Across the width of the trench, the new surface shall not exceed 0.25 inches out-of-level. 8. Existing pavement shall be cut full depth and in continuous, straight lines. Broken edges will not be allowed. Pavement cuts shall be 'tacked' immediately prior to installation of the hot mix patch. 9. Contractor shall comply with the most current OSHA requirements for excavations. 1 0. Backfill shall comply with the requirements of the City's Standard Construction Specifications. z 0 Cl) ̉ z 0 Cl) U5 w > 0 w ct'. w I- 0 0 w I- 0 0 z 0 w z U5 "E ill C1J _J 3: "O 0 w N co co £ Cl) I ll) 0 0 Cl) I a. w I- w a. Ø z z I- LL B w w I 0 0 0 I- 0 z w u I- _J g 0 w _J 0 - w z ¿ Cl) fJ. Cl) 0 w w z en _J z - w u DRAWING NUMBER: 33c ---PAGE BREAK--- Sawcut Edges (typ.) Existing A.C. (or PCC) TYPE I Existing Asphalt Street Surface Overcut Not Required 1 • I Pipe Zone City Standard Sawcut Edges (typ. ) 1 t 4"J TYPE II Temporary Street or Alley Cut Repair 1 Dia x 1 8" Lg. Epoxy Coated Steel Dowels @ 1 c/c; Epoxied into Existing Concrete, Min. Embedment of 9" (typ.) Existing Concrete Street Surface Cast-In-Place Concrete to Match Existing Thickness min.) [Step One - Temp.] Existing Asphalt Street Surface 1 1 Pipe Zone City Standard ' t r4, Pipe Zone City Standard ' t r4 . Concrete Cut Repair [Step Two - Permanent] t t Asphalt Cut Repair (Street or Alley) [Step Two - Permanent] NOTES: 1 . All excavations made within public right-of-way and easements require excavation permits from the City prior to commencing work. Street closure permits are required as applicable. 2. See City of Moscow Standard Construction Specifications for additional requirements regarding street and alley cut repair. 3. Prior to commencing, contractor shall furnish, install and maintain traffic control in accordance with the Manual on Uniform Traffic Control Devices (MUTCD) and as allowed and approved by the City Engineer. 4. Street cuts within Idaho Highway Right-of-Way require an Idaho Transportation Department (ITD) permit and are subject to ITD permit conditions (i.e. backfilling, surfacing requirements and traffic control). 5. The pavement removal required to perform the initial excavation shall be the width of the excavation opening and is not to include the removal of the pavement of the width required to construct the permanent patch. All pavement cuts shall be sawcut in neat, straight lines, as allowed and approved by the City. The limits of the pavement cut for the permanent patch shall be as described in the Standard Construction Specifications. 6. Moscow Public Works Department shall be notified prior to beginning backfilling operations. Noncompliance with this provision shall require re-excavation and witnessed compaction. 7. ALL STREET AND ALLEY CUTS IN EXISTING ASPHALT PAVEMENT SHALL BE BACKFILLED AND TEMPORARILY PATCHED AT THE END OF EACH DAY - unless specifically allowed otherwise by the City Engineer. Properly applied steel plates may be utilized in lieu of this requirement if allowed by the City. 8. Temporary street surfacing (cold mix asphalt or flowable fill) shall be placed (and maintained ) uniformly smooth across the width and length of the patch and shall match the existing, adjoining street grade. The finished surface of the temporary patch shall be level with, or no greater than 0.25 inches above the adjacent roadway surface. 9. Temporary street surface repair maintenance is the responsibiliity of the contractor. 10. The contractor making the cut shall be responsible for any future settling of the street cut for a period of one year from the date that temporary patch is completed. z 0 Cf) 02 z 0 Cf) Cf) w > 0 w w I- 0 0 w I- 0 0 z 0 w z Cf) w en _J 'O 0 C'IJ C'\I al Ү c:o Cf) ' 'O 0 w 0 Cf) I w I- w 0 z I- ø % z LL w C2 w I- I 0 0 0 I- 0 z w u I- w en _J - 0 _J w 0 (9 w LL z w 0 w w w z (9 0 z - w en u DRAWING NUMBER: 34 ---PAGE BREAK--- See Note 1 Post, Wood or Steel (Typical) Fasten to Post Every 6" o.c. Fabric (Geotextile) (Typical) Backup Support (if Specified) as per Standard Specifications SPLICE DETAIL (WOOD POSTS AND NO BACKUP SUPPORT SHOWN) Geotextile for Silt Fence as per Standard Specifications TYPICAL S I LT FENCE LAYOUT NOTES: 1 . Install ends of silt fence u p slope to prevent sediment from flowing past ends of fence. See Typical Silt Fence Layout. 2. Overlap vertical silt fence splices eight inches minimum and construct in a manner to prevent silt laden runoff from passing between posts. Avoid placing splices at sumps and other low points. 3. Do not install silt fence in a manner that it will act as a dam across permanent flowing watercourses. Silt fences are to be used at upland locations and turbidity barriers used at permanent bodies of water. 4. If backup support is specified, attach fabric to backup support in a manner to hold fabric securely and reduce the potential of tearing. 5. During excavation, minimize ground disturbance around anchor trench and smooth surface to prevent concentrated flows. Compact backfill in trench in a manner that will prevent underflow. Backup Support If Specified Post, Wood or Steel (Typical) Backup Support (Typical) if Specified SPLICE DETAI L Backfilled & Compacted Native Soil (STEEL POSTS AND BACKUP SUPPORT SHOWN) Bury Geotextile In Trench Self-Locking Tie, Nylon 6/6 (Min. Grade), 1 20# Min. Tensile Strength, UV Stabilized TYP ICAL I NSTALLATION D ETAIL z 0 en ii: z Q en en UJ > 0 UJ UJ I- 0 0 UJ I- 0 0 z 0 UJ z en en w "E 0 co N cc Y cc ù en I "CJ lO 0 UJ 0 en I UJ UJ Å z I- I- z LL w » UJ » I 0 0 0 I- 0 z w u I- w en 0 w z Cl w LL z I- 0 w w _J z - en z - w u DRAWING NUM BER: 35 ---PAGE BREAK--- NOTES: 1 . The size and shape of the silt trap sack to fit the storm structure it will service (rectangular or round). 2. The silt trap sack shall have a built-in high-flow relief system (overflow bypass). 3. The silt trap sack assembly must allow removal without spilling the collected material. 4. Empty silt trap sack and dispose of sediment and debris before the sack is half-full. 5. Ensure the silt trap sack assembly does not spill or fall into the storm structure. If sediment is spilled into the storm structure, remove the spilled material by suction hose or other approved method. 6. Construction entrances should be inspected regularly for signs. of thinning areas where mud begins to show through. Add gravel periodically to maintain the integrity of the pad. 20' for Residential 50' for Commercial Existing curb and gutter. Drainage Grate Sediment and Debris Filtered Water 2' Rock Construction Entrance 8" thick, 3" Gravel (geotextile as required) . . . . ' . . . . . . . . . . . Ý . . . . I ' • " • Drainage grate Adjustable wire frame Silt Trap Sack DETAILS Silt trap sack in catch basin Trim Fabric Overflow bypass ports Silt Trap Sack beneath Drainage grate Retrieval system Overflow bypass z 0 Cf) à z 0 Cf) Ci) UJ > Cl UJ UJ I- Cl Cl UJ I- Cl Cl z Cl UJ z Cf) w Z z Ù Q I- 1- z w w z 1- 0 o - I- I w _J I- z Cf) - z ɹ 0 DRAWING NUMBER: 36