C.O. STEP XFMR
P: 150KVA 480V 3P
S: 120/208V 3P
C.O. PANEL
800A 480V
C.O. PANEL A2
400A 120/208V 3P
C.O. SWITCHBOARD MSB
600A 480V
C.O. STEP XFMR TR3
P: 45KVA 480V 3P
S: 120/208V 3P
C.O. PANEL SHA FROM MSB
277/480V 3P 4W
C.O. PANEL SLA FROM TR3
120/208V 3P
EX:
EX:
FUT: C.O. METER, SWITCHGEAR & PANEL
FROM FUT 1000KVA 277/480V 3P XFMR
RECOMMEND 1600A TO MEET FUTURE NEED
(1600A PANEL CAN SUPPORT 1050KW EV LOAD)
14.5 POLICE
LD
LD
LD
LD
LD
MD
LD
LD
LD
LD
LD
MD
POLICE
POLICE
POLICE
POLICE
POLICE
POLICE
POLICE
NOT ENOUGH CLEARANCE
FOR SLAB BOX
POLICE
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
6.0 5.0
SERVICE CONDUIT
FUT: 6-4" CONDUIT
FOR 1600A SERVICE
IN: C.O. METER & PANEL
FROM NEW 500KVA 277/480V 3P XFMR
RECOMMEND 800A
SERVICE CONDUIT
IN: 2-4" CONDUIT
FOR 800A SERVICE
DRAFT - PRELIMINARY
5 - 100 kW Police (Vehicle to Port Ratio = 2:1)
EV PEAK LOAD: 500KW
CONCEPTUAL
Not For Construction
Attachment 1
6 C.O. STEP XFMR
P: 150KVA 480V 3P
S: 120/208V 3P
C.O. PANEL
800A 480V
C.O. PANEL A2
400A 120/208V 3P
C.O. SWITCHBOARD MSB
600A 480V
C.O. STEP XFMR TR3
P: 45KVA 480V 3P
S: 120/208V 3P
C.O. PANEL SHA FROM MSB
277/480V 3P 4W
C.O. PANEL SLA FROM TR3
120/208V 3P
EX:
EX:
IN: C.O. METER, SWITCHGEAR & PANEL
FROM NEW 500KVA 277/480V 3P XFMR
RECOMMEND 1600A TO MEET FUTURE NEED
(1600A PANEL CAN SUPPORT 1050KW EV LOAD)
14.5 POLICE
LD
LD
LD
LD
LD
MD
LD
LD
LD
LD
LD
MD
POLICE
POLICE
POLICE
POLICE
POLICE
POLICE
POLICE
NOT ENOUGH CLEARANCE
FOR SLAB BOX
POLICE
LD
LD
LD
LD
LD
LD
LD
LD
LD
LD
6.0 5.0
SERVICE CONDUIT
IN: 6-4" CONDUIT
FOR 1600A SERVICE
FUT: C.O. METER & PANEL
FROM FUT 500KVA 277/480V 3P XFMR
RECOMMEND 800A
SERVICE CONDUIT
FUT: 2-4" CONDUIT
FOR 800A SERVICE
DRAFT - PRELIMINARY
1 - 15.4 kW Meduim Duty (Vehicle to Port Ratio = 1:1)
10 - 50 kW Light Duty (Vehicle to Port Ratio = 2:1)
EV PEAK LOAD: 515.4KW
CONCEPTUAL
Not For Construction
7 X
X
X
X
X
C.O. PANEL
1000A 480V
UTILITY METER
480V
C.O. SWITCHGEAR
1000A 480V
EX:
EX:
32.5 34.0
34.5 29.0
34.5 16.5 18.5
23.0 37.0
37.0 20.0 23.5
20.0 20.5
22.5 IN: C.O. METER, PANEL & SWITCHGEAR
FROM NEW 2000KVA 277/480V 3P XFMR
REQUIRED 3000A OR LARGER FOR FUTURE
OPTIONAL
CHARGER LOCATION
STREET S.
BUS
BUS
BUS
MD
MD
MD
BUS
MD
HD BUCKET TRUCK
BUS
BUS
LD
BUS BUS
VAC
BUS BUS
VAC
BUSBUSBUSBUS
BUS
MD
MD
HDBUCKET TRUCK MDMDMD MD MD MDMD STREET S.
BUS
BUS
LD
MD MD MDMD
ALTERNATE LOCATION
IN: C.O. PANEL
FROM NEW SWITCHGEAR
200A - 277/480V 3P 26.0
13.5 21.0
LD LD
LDLD
14.0 EX: GENERATOR
MDMD
MD
2 BANKS SERVICE CONDUIT
IN: 6-5" CONDUITIN: 6-5" CONDUIT
BUS BUS
IN: C.O. PANEL
FROM NEW SWITCHGEAR
1000A - 277/480V 3P
IN: C.O. PANEL
FROM NEW SWITCHGEAR
600A - 277/480V 3P
(WILL HAVE CAPACITY FOR
FUTURE EV CHARGERS IN
PLACE OF PROPANE TANKS)
MDMD MD MD
12.5 MDMD
BUS
CONCEPTUAL
Not For Construction
1 - 15.4 kW for Bucket Trucks (Vehicle to Port Ratio = 1:1)13 - 25 kW for Medium Duty (Vehicle to Port Ratio = 1:1)1 - 25 kW for Vac Truck (Vehicle to Port Ratio = 1:1) 1 - 25 kW for Heavy Duty (Vehicle to Port Ratio = 3:1)
4 - 50 kW for Light Duty (Vehicle to Port Ratio = 2:1)
10-100kW for Trolley Buses (Vehicle to Port Ratio = 1:1)1 - 100 kW for Street Sweeper (Vehicle to Port Ratio = 1:1) DOOR SIDE: 8' MIN WORKINGCLEARANCE FROM EDGE OFPAD
NON-DOOR SIDES: 3' MIN WORKING
MINIMUM EXCAVATION FOR PULL BOX WILL BE 46" x 83" x DEPTH TO SUIT JOB. INSTALLING CONTRACTORWILL PROVIDE GRADE RINGS (6" MINIMUMNECESSARY IN ORDER TO MAINTAIN COVER OVER CONDUITS
TOP PAD
2'-6" x 4' PULL BOXBASE SECTION
SUMP
6"
2'-11"
EXCAVATION SIZE:
8' MIN CLEARANCE FROM EDGE OF PAD (DOOR SIDE) 3' MIN WORKING CLEARANCE FROM
EDGE OF PAD(NON-DOOR SIDE)
3' MIN WORKINGCLEARANCE FROM
EDGE OF PAD
(NON-DOOR SIDE)
PER SCE REQUIREMENTS OR PERMIT AGENCY/REQUIREMENTS, WHICHEVER IS GREATER. BACKFILL WILL BE WELL COMPACTED TO PREVENT SUBSIDENCE.1. PAD AND PULLBOX WILL BE SET LEVEL. PULLBOX WILL BE PLACED ON 6" (MINIMUM) COMPACTED ROCK BASE TO ENSURE UNIFORM DISTRIBUTION OF SOIL PRESSURE IN FLOOR.2. MASTIC SEALANT IS REQUIRED AT JOINTS.3. TOP SURFACE OF PAD WILL BE SET 3" ABOVE FINISHED GRADE.4. ONE GROUND ROD WILL BE FURNISHED AND INSTALLED BY CONTRACTOR. INSTALL GROUND ROD THROUGH FLOOR OF BOX PER AC 700. GROUND ROD MATERIAL WILL COMPLY WITH AC 703.5. AN 8' (MINIMUM) CLEARANCE IS REQUIRED ON DOOR SIDE OF SWITCH PAD FOR OPERATION.6. PROTECTION BARRIERS WILL BE INSTALLED IF PAD IS EXPOSED TO VEHICULAR TRAFFIC PER MS 830. 8' MIN WORKINGCLEARANCE FROMEDGE OF PAD(DOOR SIDE)
INSTALLATION NOTES:
8