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.
BOLTED, GALVANIZED STEEL
DIAMOND TREAD SAFETY FLOOR
PLATE COVER WITH TAMPERPROOF
LIFT HOLES OVER 30" x 48" CLEAR
ACCESS OPENING
6'
1'-6"
8'
1 5/8" x 1 5/8" UNISTRUT
INSERT, GALV. 2 REQ'D
PER PAD
6"
4'
6"
2'-6"
FRONT
4"-5"
4'
7'
16"-20"
THIN WALL KNOCKOUTS
EACH CORNER
24"
3'-6"
F
12"
6" DEEP X 12" WIDE BASE
6"
1" THREADED INSERT LOCATED EACH WALL
FILENAME: CU1600-20 REV 12
FIGURE 1
6'x8' PAD
CABLE BOX
SIZE
FIGURE
4'x7'
1
8'x10'
5'x8'-6"
2
10'x12'
5'x8'-6"
3
TRANSFORMER
SIZE (KVA)
PAD
SIZE
75 - 150
(SEE NOTE J)
6'x8'-6"
300 - 2500
2500 - 3750
6'x8'
CITY OF ANAHEIM
PUBLIC UTILITIES DEPARTMENT
ELECTRICAL DIVISION
T&D CONSTRUCTION STANDARDS
T&D MGR
APPROVALS
FIELD MGR
OPER. MGR
REVISION KEYS:
MFG'R.
RISER
SECTION
CATALOG NO.
JENSEN
K68-SB42-16
UTILITY VLT.
ANAHEIM 686SB
VPMT4X7-6X8CONT
JENSEN
K810-SB60-16
PB586-R12-FF
UTILITY VLT.
JENSEN
ANAHEIM 810SB
0130250
K1012-SB60-16
PB986-R12-FF
UTILITY VLT. ANAHEIM 1012SB
ADDED / REVISED TEXT
COMPATIBLE UNIT NO.
0130250
VPMT5X8-8X10
VPMT5X8-10X12
NEW SHEET
ADDED / REVISED MATERIAL
TRANSFORMER PAD WITH
CABLE BOX FOR 12KV
3 PHASE PADMOUNT TRANSFORMERS
12
01-11
1 OF
5
REVISION NO.
ISSUE DATE :
SHEET
CONSTRUCTION STANDARD:
CU1600-20
3/4" DEEP NOTCH
(UNDERSIDE OF PAD)
FOR LOCATING ON
CABLE BOX.
10'
8'
24"
8"
8"
6"
30"
60"
1 5/8" X 1 5/8" UNISTRUT
GALV., 2 REQ'D.
PAD FRONT
5'x8'6"x12" HIGH
RISER SECTION
TO INCREASE BOX
DEPTH FOR MULTIPLE
CONDUIT RUNS.
GALV. STEEL DIAMOND TREAD SAFETY
FLOOR PLATE COVER WITH TAMPERPROOF
BOLTS AND LIFT HOLES OVER 30" X 48"
CLEAR ACCESS OPENING MARKED "ELECTRIC"
6"
5'
1/2" DIA. PLASTIC INSERTS
6 PER EA. SIDE WALL
2 PER EA. END WALL
8'-6"
30"
24"
4" DIA. TERMINATORS
OR 5" KNOCKOUTS 16
PLACES EACH WALL
32 1/2"
4"
5'-1"
10" 6"
8"
12"Ø
SUMP
8"
8"
7"
FILENAME: CU1600-20 REV 12
C
L
l" PULL IRONS
8 PLACES
FIGURE 2
CAPPED 1" PVC
4" DIA. TERMINATORS LOCATION
(TYPICAL)
CITY OF ANAHEIM
PUBLIC UTILITIES DEPARTMENT
ELECTRICAL DIVISION
T&D CONSTRUCTION STANDARDS
T&D MGR
APPROVALS
FIELD MGR
OPER. MGR
6"
CAPPED 1" SCH. 40
PVC CONDUIT
2 PER EA. END WALL
REVISION KEYS:
8'x10' PAD
ADDED / REVISED TEXT
NEW SHEET
ADDED / REVISED MATERIAL
TRANSFORMER PAD WITH
CABLE BOX FOR 12KV
3 PHASE PADMOUNT TRANSFORMERS
12
01-11
2 OF
5
REVISION NO.
ISSUE DATE :
SHEET
CONSTRUCTION STANDARD:
CU1600-20
3/4" DEEP NOTCH
(UNDERSIDE OF PAD)
FOR LOCATING ON
CABLE BOX.
12'
10'
24"
8"
30"
6"
6"
60"
1 5/8" X 1 5/8" UNISTRUT
PAD FRONT
8"
GALV. STEEL DIAMOND TREAD SAFETY
FLOOR PLATE COVER WITH TAMPERPROOF
BOLTS AND LIFT HOLES OVER 30" X 48"
CLEAR ACCESS OPENING MARKED "ELECTRIC"
5'x8'6"x12" HIGH
RISER SECTION
TO INCREASE BOX
DEPTH FOR MULTIPLE
CONDUIT RUNS.
6"
5'
1/2" DIA. PLASTIC INSERTS
6 PER EA. SIDE WALL
2 PER EA. END WALL
8'-6"
30"
24"
4" DIA. TERMINATORS
OR 5" KNOCKOUTS 16
PLACES EACH WALL
32 1/2"
4"
5'-1"
10" 6"
8"
12"Ø
SUMP
FILENAME: CU1600-20 REV 12
8"
8"
7"
C
L
l" PULL IRONS
8 PLACES
FIGURE 3
CAPPED 1" PVC
4" DIA. TERMINATORS LOCATION
(TYPICAL)
CITY OF ANAHEIM
PUBLIC UTILITIES DEPARTMENT
ELECTRICAL DIVISION
T&D CONSTRUCTION STANDARDS
T&D MGR
APPROVALS
FIELD MGR
OPER. MGR
6"
CAPPED 1" SCH. 40
PVC CONDUIT
2 PER EA. END WALL
REVISION KEYS:
10'x12' PAD
ADDED / REVISED TEXT
NEW SHEET
ADDED / REVISED MATERIAL
TRANSFORMER PAD WITH
CABLE BOX FOR 12KV
3 PHASE PADMOUNT TRANSFORMERS
12
01-11
3 OF
5
REVISION NO.
ISSUE DATE :
SHEET
CONSTRUCTION STANDARD:
CU1600-20
TYPICAL CLEARANCE & GROUNDING REQUIREMENTS
1O'
REQUIRED MINIMUM CLEARANCE
(PUBLIC UTILITY EASEMENT)
SEE NOTE G
MIN.
SEE NOTE G
PAD
FRONT
6' MIN.
SPACING
GROUND
RODS
CABLE
OPENING
FILENAME: CU1600-20 REV 12
MATERIAL LIST FOR INSTALLATION OF TRANSFORMER PAD WITH CABLE BOX
ITEM
QTY
1
2
2
2
3
40'
ANAHEIM
PART NO.
COMPATIBLE UNITS
ROD, GROUND, 5/8" x 8' COPPERCLAD
547005
GRNDROD
CLAMP, GROUND ROD
568075
GRNDCLMP-ROD
WIRE, #4 B.C., SOLID, SOFT DRAWN
446150
W4CUBARE-SD
DESCRIPTION
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
72"
FINISH GRADE
3
KNOCKOUTS OR CONDUIT TERMINATORS
SEE NOTE E
6"
SEE NOTE C
1
CITY OF ANAHEIM
PUBLIC UTILITIES DEPARTMENT
ELECTRICAL DIVISION
T&D CONSTRUCTION STANDARDS
T&D MGR
APPROVALS
FIELD MGR
OPER. MGR
REVISION KEYS:
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.
ADDED / REVISED TEXT
NEW SHEET
ADDED / REVISED MATERIAL
TRANSFORMER PAD WITH
CABLE BOX FOR 12KV
3 PHASE PADMOUNT TRANSFORMERS
12
01-11
4 OF
5
REVISION NO.
ISSUE DATE :
SHEET
CONSTRUCTION STANDARD:
CU1600-20
SAFETY COVER FOR PMC & PMT SLAB TOP COVER OPENINGS WHEN NOT IN SERVICE
1'-0
"
EXISTING SAFETY
FLOOR PLATE
"
2'-6
1/4
"
1'-6
TYP, 2 PL.
3/8-16 x 8" HEX HEAD
BOLT (2 REQ'D)
2" x 1 1/2" x 1'10"
STEEL CHANNEL
(2 REQ'D)
9/16" DIA.
2'-0" X 5'-6" X 3/16"
DIAMOND TREAD SAFETY
FLOOR PLATE
3/8-16 HEX NUT
(2 REQ'D)
TYPICAL INSTALLATION VIEW SEEN FROM BELOW
NOT TO SCALE
NOTES:
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.
D.
E.
F.
FILENAME: CU1600-20 REV 12
G.
H.
J.
K.
ALL OPENINGS IN VAULT FOR CONDUITS AND GROUND WIRE SHALL BE GROUTED TO
PREVENT WATER INTRUSION.
CONTRACTOR/DEVELOPER INSTALLED FACILITIES SHALL BE INSPECTED BY UTILITY
ELECTRICAL INSPECTOR TO ENSURE COMPLIANCE TO THIS STANDARD AND WORK
ORDER DRAWING.
REQUIRED MINIMUM CLEARANCE (PUBLIC UTILITY EASEMENT) OF 36" FOR 6' x 8' PAD
OR 6O" FOR 8' x 10' AND 10' x 12' PADS ALONG THREE SIDES AND MINIMUM OF 10'
REQUIRED ALONG FRONT OF EACH PAD.
PROTECTIVE POSTS PER CU 1600-9, AND AS SHOWN ON ELECTRICAL ENGINEERING
WORK ORDER DRAWING SHALL BE FURNISHED AND INSTALLED BY DEVELOPER/
CONTRACTOR.
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.
REPLACEMENT PADS FOR MAINTENANCE:
6' x 8' PAD USE CITY P/N 486075
8' x 10' PAD USE CITY P/N 486080
REPLACEMENT ACCESS COVER, USE CITY P/N 486280.
M.
FOR LARGER TRANSFORMER 3750 KVA, SPECIAL ORDER 10' x 12' PAD.
PUBLIC UTILITIES DEPARTMENT
ELECTRICAL DIVISION
T&D CONSTRUCTION STANDARDS
APPROVALS
FIELD MGR
CONTRACTOR/DEVELOPER SHALL LOCATE AND INSTALL TRANSFORMER PAD AND
VAULT IN ACCORDANCE WITH ELECTRICAL ENGINEERING WORK ORDER DRAWINGS.
TRANSFORMER PAD MUST BE LEVEL.
L.
CITY OF ANAHEIM
T&D MGR
EXCAVATION PER CU 1600-4B, MINIMUM SIZE PER MANUFACTURER'S SUGGESTED
EXCAVATION SIZE.
OPER. MGR
REVISION KEYS:
ADDED / REVISED TEXT
NEW SHEET
ADDED / REVISED MATERIAL
TRANSFORMER PAD WITH
CABLE BOX FOR 12KV
3 PHASE PADMOUNT TRANSFORMERS
12
01-11
5 OF
5
REVISION NO.
ISSUE DATE :
SHEET
CONSTRUCTION STANDARD:
CU1600-20