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APPROVALS T&D MGR CITY OF ANAHEIM ELECTRICAL DIVISION PUBLIC UTILITIES DEPARTMENT FILENAME: REVISION KEYS: ADDED / REVISED TEXT NEW SHEET CONSTRUCTION STANDARD: ADDED / REVISED MATERIAL SHEET OF REVISION NO. ISSUE DATE : FIELD MGR OPER. MGR T&D CONSTRUCTION STANDARDS UNDERGROUND CONDUIT SPACERS CU1600-96F REV4 4 01-11 1 2 CU 1600-96F SCOPE: THIS STANDARD SHOWS UNDERGROUND CONDUIT SPACERS. 1 1/2" 3" 2 1/4" MIN. 1/4" TYP. 3/4" 1" MIN. 5/8" SOLVENT WELD AT ALL JOINTS 4 5 6 1 2 3 7 3 2 1 6 5 4 7 1 9 5 6 7 8 2 3 4 6 7 8 1 2 3 9 4 5 TRENCH CONFIGURATION TRENCH FOR COMMUNICATION ONLY (2-4"C) FOR COMMUNICATION ONLY 1/8" GREATER THAN O.D. OF CONDUIT 3" 1 1/2" SOLID TYPE CIRCULAR SPACER CIRCULAR SPACER 2" 1 1/4" CONFIGURATION GRID TYPE 8 8 (2-4"C) 1 1/2" DUCT BANK APPLICATION 3" NOTES: 1. MATERIAL a) GRID-TYPE SPACER TO BE FABRICATED OF PLASTIC CONDUIT WITH A MINIMUM WALL THICKNESS OF .09 INCH. b) SOLID-TYPE SPACER TO BE FORMED OF POLYURETHANE WITH A MINIMUM DENSITY OF 4 POUNDS PER FOOT. 2. TIERS MAY BE ADDED OR DELETED AS REQUIRED. CLEARANCE AS SHOWN SHALL BE MAINTAINED BETWEEN CONDUITS. 3. FOR FULL ENCASEMENT A 3" MIN. CLEARANCE BETWEEN THE TRENCH BOTTOM AND THE LOWER TIER OF DUCTS SHALL BE MAINTAINED (CU 1600-4). TO MEET THIS REQUIREMENT, THE GRID-TYPE SPACER MUST BE SET UPON A BASE OF SUCH THICKNESS TO PROVIDE 3" OF CLEARANCE. 4. THE APPROVED MANUFACTURERS AND SUPPLIERS OF THE ABOVE SPACERS ARE: FORMEX, ARMORCAST, AND SAF-T-CO. BORE CASING APPLICATION FORMED PLASTIC TO FIT UP TO 6" CONDUIT ONLY. PLACE IN 28" O.D. CASING (1/4" WALL) FORMED PLASTIC TO FIT UP TO 6" CONDUIT ONLY. PLACE IN 30" O.D. CASING (1/4" WALL) 5 4 6 1 2 3 8 3 2 1 6 5 4 7 TRENCH FOR COMMUNICATION ONLY (2-4"C) CIRCULAR SPACER 8 7 FORMED PLASTIC TO FIT UP TO 6" CONDUIT ONLY. PLACE IN 28" O.D. CASING (1/4" WALL) FOR #4/0 GROUND WIRE FOR #4/0 GROUND WIRE FOR #4/0 GROUND WIRE FOR PUMPING CONCRETE FOR PUMPING CONCRETE FOR PUMPING CONCRETE ---PAGE BREAK--- APPROVALS T&D MGR CITY OF ANAHEIM ELECTRICAL DIVISION PUBLIC UTILITIES DEPARTMENT FILENAME: REVISION KEYS: ADDED / REVISED TEXT NEW SHEET CONSTRUCTION STANDARD: ADDED / REVISED MATERIAL SHEET OF REVISION NO. ISSUE DATE : FIELD MGR OPER. MGR T&D CONSTRUCTION STANDARDS UNDERGROUND CONDUIT SPACERS CU1600-96F REV4 4 01-11 2 2 CU 1600-96F NOTES FOR BORE CASING APPLICATION: 1. SPACERS OR MAY BE USED IN BORE CASING WHEN A 6-6" PLUS 2-4" DUCT CONDUIT BANK IS PLANNED. SPACER MAY BE USED IN BORE CASING WHEN AN 8- OR 9-DUCT CONDUIT BANK IS PLANNED. ALL CLEARANCES ARE DESIGNED INTO THE UNITS. 2. USE THE ABOVE GUIDE FOR CHANGING FROM VERTICAL TO CIRCULAR CONFIGURATION. NORMALLY, 10 FOOT CONDUIT ARE USED IN THIS TRANSITION. SUPPORT OF THESE CONDUITS DURING TRANSITION WILL NOT BE NEEDED. 3. THE SPACERS MUST NOT BE ALLOWED TO ROTATE IN THE CASING. 4. CONDUIT (SCH. 40-PVC) SHALL MAINTAIN THE SAME POSITION ENTERING AND LEAVING THE CASING. 5. OTHER BORING REQUIREMENTS ARE SHOWN ON CU 1600-96E. 6. THE APPROVED MANUFACTURES AND SUPPLIERS OF THE ABOVE SPACERS ARE: FORMEX, ARMORCAST, AND SAF-T-CO. 7. DIFFERENT CONDUIT CONFIGURATION MAY BE USED BASED ON JOB REQUIREMENTS. PROVIDE A COPY OF SPACER DRAWING FOR INSPECTOR/DESIGNER APPROVAL IF DIFFERENT FROM SPACERS A, B, AND C.