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6" DEEP X 12" WIDE BASE 3'-6" 4"-5" 16"-20" 8' 6" 2'-6" FRONT 1'-6" 4' F 6' 6" 6" 12" THIN WALL KNOCKOUTS EACH CORNER 7' 4' 24" BOLTED, GALVANIZED STEEL DIAMOND TREAD SAFETY FLOOR PLATE COVER WITH TAMPERPROOF LIFT HOLES OVER 30" x 48" CLEAR ACCESS OPENING SCOPE: THIS STANDARD SHOWS APPROVED SOURCES AND INSTALLATION DETAILS FOR 6'x8', 8'x10', AND 10'x12' TRANSFORMER PAD WITH CABLE BOX REQUIRED FOR 12kV, 3PH., PADMOUNT TRANSFORMER INSTALLATION. 1" THREADED INSERT LOCATED EACH WALL 1 5/8" x 1 5/8" UNISTRUT INSERT, GALV. 2 REQ'D PER PAD FIGURE 1 6'x8' PAD DIMENSIONS ARE AT TOP SURFACE FILENAME: REVISION KEYS: ADDED / REVISED TEXT CONSTRUCTION STANDARD: ADDED / REVISED MATERIAL SHEET OF REVISION NO. ISSUE DATE : NEW SHEET NEW SHEET APPROVALS T&D MGR CITY OF ANAHEIM ELECTRICAL DIVISION PUBLIC UTILITIES DEPARTMENT OPS MGR T&D CONSTRUCTION STANDARDS SYS PLN MGR SUB MAINT SR ELEC ENG. TRANSFORMER PAD WITH CABLE BOX FOR 12KV 3 PHASE PADMOUNT TRANSFORMERS CU 1600-20 REV16 16 07/23 1 5 CU 1600-20 TRANSFORMER SIZE (KVA) PAD SIZE CABLE BOX SIZE FIGURE MFGR CATALOG NO. RISER SECTION COMPATIBLE UNIT NO. 75 - 150 (SEE NOTE J) 6' X 8' 4' X 7' 1 JENSEN K68-SB42-16 VPMT4X7-6X8CONT 6' X 8'-6" OLD CASTLE ANA 686 SLAB BOX 300 - 2500 8' X 10' 5' X 8'-6" 2 JENSEN K810-SB60-16 PB586-R12-FF VPMT5X8-8X10 OLD CASTLE ANA 810 SLAB BOX 0130250 2500 - 3750 10' X 12' 5' X 8'-6" 3 JENSEN K1012-SB60-16 PB986-R12-FF VPMT5X8-10X12 OLD CASTLE ANA 1012 SLAB BOX 0130250 ---PAGE BREAK--- 4" DIA. TERMINATORS LOCATION (TYPICAL) 8" CAPPED 1" PVC 8" 8" 7" CL 6" 10" 6" CAPPED 1" SCH. 40 PVC CONDUIT 2 PER EA. END WALL 24" 32 1/2" 8'-6" 4" 12"Ø SUMP 6" 5'-1" 8" 5' PAD FRONT 10' 8" 58" 22" 8' 30" GALV. STEEL DIAMOND TREAD SAFETY FLOOR PLATE COVER WITH TAMPERPROOF BOLTS AND LIFT HOLES OVER 30" X 48" CLEAR ACCESS OPENING MARKED "ELECTRIC" 6" 30" FIGURE 2 3/4" DEEP NOTCH (UNDERSIDE OF PAD) FOR LOCATING ON CABLE BOX. 8'x10' PAD 5'x8'6"x12" HIGH RISER SECTION TO INCREASE BOX DEPTH FOR MULTIPLE CONDUIT RUNS. DIMENSIONS ARE AT TOP SURFACE FILENAME: REVISION KEYS: ADDED / REVISED TEXT CONSTRUCTION STANDARD: ADDED / REVISED MATERIAL SHEET OF REVISION NO. ISSUE DATE : NEW SHEET NEW SHEET APPROVALS T&D MGR CITY OF ANAHEIM ELECTRICAL DIVISION PUBLIC UTILITIES DEPARTMENT OPS MGR T&D CONSTRUCTION STANDARDS SYS PLN MGR SUB MAINT SR ELEC ENG. TRANSFORMER PAD WITH CABLE BOX FOR 12KV 3 PHASE PADMOUNT TRANSFORMERS CU 1600-20 REV16 16 07/23 2 5 CU 1600-20 1 5/8" X 1 5/8" UNISTRUT GALV., 2 REQ'D. 1/2" DIA. PLASTIC INSERTS 6 PER EA. SIDE WALL 2 PER EA. END WALL 4" DIA. TERMINATORS OR 5" KNOCKOUTS 16 PLACES EACH WALL l" PULL IRONS 8 PLACES ---PAGE BREAK--- 4" DIA. TERMINATORS LOCATION (TYPICAL) 8" CAPPED 1" PVC 8" 8" 7" CL 6" 10" 6" CAPPED 1" SCH. 40 PVC CONDUIT 2 PER EA. END WALL 24" 32 1/2" 8'-6" 4" 12"Ø SUMP 6" 5'-1" 8" 5' PAD FRONT 12' 8" 10' 6" 30" GALV. STEEL DIAMOND TREAD SAFETY FLOOR PLATE COVER WITH TAMPERPROOF BOLTS AND LIFT HOLES OVER 30" X 48" CLEAR ACCESS OPENING MARKED "ELECTRIC" 6" 30" 1 5/8" X 1 5/8" UNISTRUT FIGURE 3 4" DIA. TERMINATORS OR 5" KNOCKOUTS 16 PLACES EACH WALL 3/4" DEEP NOTCH (UNDERSIDE OF PAD) FOR LOCATING ON CABLE BOX. 10'x12' PAD 5'x8'6"x12" HIGH RISER SECTION TO INCREASE BOX DEPTH FOR MULTIPLE CONDUIT RUNS. 58" 22" DIMENSIONS ARE AT TOP SURFACE FILENAME: REVISION KEYS: ADDED / REVISED TEXT CONSTRUCTION STANDARD: ADDED / REVISED MATERIAL SHEET OF REVISION NO. ISSUE DATE : NEW SHEET NEW SHEET APPROVALS T&D MGR CITY OF ANAHEIM ELECTRICAL DIVISION PUBLIC UTILITIES DEPARTMENT OPS MGR T&D CONSTRUCTION STANDARDS SYS PLN MGR SUB MAINT SR ELEC ENG. TRANSFORMER PAD WITH CABLE BOX FOR 12KV 3 PHASE PADMOUNT TRANSFORMERS CU 1600-20 REV16 16 7/23 3 5 CU 1600-20 1/2" DIA. PLASTIC INSERTS 6 PER EA. SIDE WALL 2 PER EA. END WALL l" PULL IRONS 8 PLACES ---PAGE BREAK--- 6" FINISH GRADE 72" GROUND WIRE, MINIMUM OF #4 SOLID, SOFT DRAWN, BARE COPPER WIRE IN ONE CONTINUOUS LENGTH, CONNECTED BETWEEN GROUND RODS AND BOTH ENDS EXTENDING MINIMUM OF 72" ABOVE TRANSFORMER PAD AT CABLE OPENING. COIL WIRE IN VAULT BELOW. FURNISHED AND INSTALLED BY CONTRACTOR/ DEVELOPER 2 - 5/8" DIA. x 8' LONG COPPER CLAD GROUND RODS, SPACED 6' MINIMUM APART, EACH WITH BRONZE GROUND CLAMP PER CU 16OO-25C. TOP OF DRIVEN RODS SHALL BE MAXIMUM OF 6" ABOVE GRAVEL BASE. FURNISHED AND INSTALLED BY CONTRACTOR/DEVELOPER. CABLE OPENING PAD FRONT KNOCKOUTS OR CONDUIT TERMINATORS SEE NOTE E SEE NOTE C TYPICAL CLEARANCE & GROUNDING REQUIREMENTS 6' MIN. SPACING GROUND RODS 1 2 3 MATERIAL LIST FOR INSTALLATION OF TRANSFORMER PAD WITH CABLE BOX ITEM QTY DESCRIPTION ANAHEIM PART NO. COMPATIBLE UNITS 1 2 ROD, GROUND, 5/8" x 8' COPPERCLAD 547005 2 2 CLAMP, GROUND ROD 568075 3 40' WIRE, #4 B.C., SOLID, SOFT DRAWN 446150 W4CUBARE-SD FILENAME: REVISION KEYS: ADDED / REVISED TEXT CONSTRUCTION STANDARD: ADDED / REVISED MATERIAL SHEET OF REVISION NO. ISSUE DATE : NEW SHEET NEW SHEET APPROVALS T&D MGR CITY OF ANAHEIM ELECTRICAL DIVISION PUBLIC UTILITIES DEPARTMENT OPS MGR T&D CONSTRUCTION STANDARDS SYS PLN MGR SUB MAINT SR ELEC ENG. TRANSFORMER PAD WITH CABLE BOX FOR 12KV 3 PHASE PADMOUNT TRANSFORMERS CU 1600-20 REV16 16 7/23 4 5 CU 1600-20 REQUIRED MINIMUM CLEARANCE (PUBLIC UTILITY EASEMENT) SEE NOTE G 1O' MIN. SEE NOTE G ---PAGE BREAK--- NOTES: 1/4 TYP, 2 PL. 9/16" DIA. 1'-0" 1'-6" 2'-6" 2'-0" X 5'-6" X 3/16" DIAMOND TREAD SAFETY FLOOR PLATE 3/8-16 x 8" HEX HEAD BOLT (2 REQ'D) 2" x 1 1/2" x 1'10" STEEL CHANNEL (2 REQ'D) 3/8-16 HEX NUT (2 REQ'D) TYPICAL INSTALLATION VIEW SEEN FROM BELOW NOT TO SCALE SAFETY COVER FOR PMC & PMT SLAB TOP COVER OPENINGS WHEN NOT IN SERVICE FILENAME: REVISION KEYS: ADDED / REVISED TEXT CONSTRUCTION STANDARD: ADDED / REVISED MATERIAL SHEET OF REVISION NO. ISSUE DATE : NEW SHEET NEW SHEET APPROVALS T&D MGR CITY OF ANAHEIM ELECTRICAL DIVISION PUBLIC UTILITIES DEPARTMENT OPS MGR T&D CONSTRUCTION STANDARDS SYS PLN MGR SUB MAINT SR ELEC ENG. TRANSFORMER PAD WITH CABLE BOX FOR 12KV 3 PHASE PADMOUNT TRANSFORMERS CU 1600-20 REV16 16 7/23 5 5 CU 1600-20 A. CONCRETE COMPRESSIVE STRENGTH SHALL BE 4500 PSI IN 28 DAYS. B. THE STRUCTURE SHALL MEET THE APPLICABLE REQUIREMENTS OF THE LATEST REVISED EDITIONS OF THE FOLLOWING STANDARDS: ACI-318-89 BUILDING CODE, ASTM C-857 MINIMUM STRUCTURAL DESIGN LOADING FOR UNDERGROUND PRECAST CONCRETE UTILITY STRUCTURES, AND AASHTO STANDARD SPECIFICATION FOR HIGHWAY BRIDGES. C. EXCAVATION PER CU 1600-4B, MINIMUM SIZE PER MANUFACTURER'S SUGGESTED EXCAVATION SIZE. D. CONTRACTOR/DEVELOPER SHALL LOCATE AND INSTALL TRANSFORMER PAD AND VAULT IN ACCORDANCE WITH ELECTRICAL ENGINEERING WORK ORDER DRAWINGS. TRANSFORMER PAD MUST BE LEVEL. E. ALL OPENINGS IN VAULT FOR CONDUITS AND GROUND WIRE SHALL BE GROUTED TO PREVENT WATER INTRUSION. F. CONTRACTOR/DEVELOPER INSTALLED FACILITIES SHALL BE INSPECTED BY UTILITY ELECTRICAL INSPECTOR TO ENSURE COMPLIANCE TO THIS STANDARD AND WORK ORDER DRAWING. G. REQUIRED MINIMUM CLEARANCE (PUBLIC UTILITY EASEMENT) OF 36" FOR 6' x 8' PAD G. OR 6O" FOR 8' x 10' AND 10' x 12' PADS ALONG THREE SIDES AND MINIMUM OF 10' REQUIRED ALONG FRONT OF EACH PAD. H. REMOVABLE PROTECTIVE POSTS PER CU 1600-9, AND AS SHOWN ON ELECTRICAL ENGINEERING WORK ORDER DRAWING SHALL BE FURNISHED AND INSTALLED BY DEVELOPER/ CONTRACTOR. I. UTILITY MAY UPGRADE TO 300KVA ON EXISTING 6' x 8' TRANSFORMER PAD. THIS WILL REQUIRE SEALING THE BOTTOM OPENING OF THE PRIMARY COMPARTMENT WHERE IT OVERHANGS THE PAD SIDE FOR SAFETY AND COMPLIANCE WITH G.O. 128. J. REPLACEMENT PADS FOR MAINTENANCE: 6' x 8' PAD USE CITY P/N 486075 8' x 10' PAD USE CITY P/N 486080 K. REPLACEMENT ACCESS COVER, USE CITY P/N 486280. L. FOR TRANSFORMER LARGER THAN 2500 KVA, CONTACT STANDARDS. M. UTILITY ACCESS ROADS FOR ALL PAD-MOUNT EQUIPMENT INSTALLATION & MAINTENANCE REQUIRE A MINIMUM 20 FT OF UNOBSTRUCTED WIDTH, 13.5 FT OF UNOBSTRUCTED VERTICAL CLEARANCE, AND AN APPROPRIATE RADIUS FOR TURNS IN THE ROADS AND DEAD ENDS FOR THE VEHICLES APPARATUS TO TURN AROUND. ALL PAD-MOUNT EQUIPMENT LOCATIONS ARE SUBJECT TO ELECTRICAL ENGINEERING APPROVAL. N. EXISTING SAFETY FLOOR PLATE