MTSAC_Lot_A__EV_Conceptual_Plan.pdf

PDF 4 MB Posted

Attached to
Electric Vehicle Charging Stations
Solicitation number
2024-075
Issued by
Los Angeles County, California

About this file

This is a conceptual site plan document for Mt. San Antonio College's electric vehicle charging station project in Parking Lot A, prepared in conjunction with the Southern California Edison (SCE) ChargeReady Program. The project proposes installation of 49 Level 2, 240-volt ChargePoint electric vehicle supply equipment (EVSE) stations to replace 52 existing standard parking spaces. The charging station layout includes one van-accessible EVSE, one standard accessible unreserved EVSE, one ambulatory EVSE, and 46 standard EVSE units distributed across the parking lot using a combination of dual and single-port style chargers with typical spacing of 8'-5" between chargers and 18' typical row spacing.

Customer infrastructure improvements required for the project include removal of 2,330 square feet of hardened surfacing, installation of 605 linear feet of 2-foot-wide utility trenches, installation of 1,870 square feet of proposed asphalt and 700 square feet of proposed concrete, installation of a 1,000-amp service CT meter and main switchboard, installation of five pull boxes, and installation of 70 linear feet of above-grade rigid metal conduit of 2-inch diameter. A new 500 kilovolt-ampere, 12-kilovolt SCE transformer with 120/208-volt, three-phase service will be provided by SCE's Transmission and Distribution division. Data Cat5e cables and corresponding conduit are included for charger communication where 4G/5G wireless communication is insufficient, with costs re-evaluated upon receipt of the customer's charger vendor purchase order agreement.

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Electric_Vehicle_Charging_Stations_(Addendum_#3_Revision).pdf PDF
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Text version

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EXISTING SCE PME

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PME

PROPOSED SCE

TRANSFORMER,

500 KVA, 12KV,

120/208, 3P

LA PUENTE DRIVE

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SYMBOL LEGEND:

SCE TRANSFORMER, BY

T&D

SCE ELECTRICAL SERVICE

SUPPLY TO METER, BY

T&D

LIMITS OF WORK

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CONCEPTUAL PLAN - OVERVIEW

0 10 25 50 75 100

SCALE IN FEET

NOTES:

1. UTILITY DISTRIBUTION INFRASTRUCTURE SHOWN IN RED BUILT BY OTHERS

AND SHOWN ONLY FOR PROJECT CLARITY AND COORDINATION.

2. IMPACTED EXISTING PARKING = 52 TOTAL SPACES; 52 STANDARD SPACES

3. PROPOSED CHARGING = 49 TOTAL SPACES; 1 VAN ACCESSIBLE EVSE, 1

STANDARD ACCESSIBLE UNRESERVED EVSE, 1 AMBULATORY EVSE, 46

STANDARD EVSE

4. EVSE LAYOUT BASED ON USE OF DUAL AND SINGLE PORT STYLE CHARGERS

5. PULL BOXES TO BE INSTALLED AS NEEDED

6. PROPOSED SERVICE PANEL MAY BE STANDARD OR 100% RATED. SEE SINGLE

LINE FOR CLARIFICATION.

7. DATA CAT5E CABLES ARE GENERALLY REQUIRED WHERE 4G/5G WIRELESS

COMMUNICATION IS WEAK OR NOT PROVIDED. IT IS ASSUMED THAT THE

CUSTOMER WILL BE REQUIRED TO INSTALL A MODEM FOR HARD WIRING

COMMUNICATION OF THE CHARGERS AND INSTALL WITHIN CLOSE PROXIMITY

OF THE MAIN EQUIPMENT. DESIGN ASSUMES THAT CUSTOMERS WILL BE

RESPONSIBLE FOR THE HARD CONNECTION FROM THE MODEM TO THE

TELECOMMUNICATIONS CENTER ON THE PROPERTY. DATA CAT5E CABLE AND

CORRESPONDING CONDUIT COSTS, ARE INCLUDED AS ENGINEERING BEST

PRACTICES AND RE-EVALUATED UPON RECEIPT OF THE CUSTOMER'S

CHARGER VENDOR PURCHASE ORDER AGREEMENT.

*LINEAR FOOTAGE QUANTITIES INCLUDE VERTICAL TRAVEL

Drawing: P:\221-0223\Site\00001676702_MTSAC\DD Phase\CP and SLD\00001676702_MTSAC_cp.dwg; Layout1 1 Plot by: crios Jan 20, 2023 - 10:19pm

SCALE: AS NOTED

OF SHEETS

SHEET NO.CH. BY

DR. BY

DATE

CONSULTANT SCE CHARGE READY PROGRAM

00001676702 MT SAN ANTONIO COLLEGE

EVSE SITE IMPROVEMENTS

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1/17/23 5

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8'-5"

(TYP)

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SEE SHEET 1 FOR

PROPOSED SCE

TRANSFORMER

LOCATION

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PB-1A

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PB-1B

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SYMBOL LEGEND:

EXISTING WHEELSTOP

EXISTING SIGN

EXISTING LIGHT POLE

PROPOSED SERVICE

EQUIPMENT BOLLARD

PROPOSED PULL BOX

PROPOSED SERVICE CT

METER AND SWITCHBOARD

PROPOSED GATEWAY - LOAD

MANAGEMENT CONTROLLER

DUAL PORT EVSE (QTY. 23)

SCE TRANSFORMER, BY T&D

SCE ELECTRICAL SERVICE

SUPPLY TO METER, BY T&D

ELECTRICAL CONDUIT

PROPOSED CONCRETE

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SEB

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CONCEPTUAL PLAN

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Drawing: P:\221-0223\Site\00001676702_MTSAC\DD Phase\CP and SLD\00001676702_MTSAC_cp.dwg; Layout1 2 Plot by: crios Jan 20, 2023 - 10:19pm

SCALE: AS NOTED

OF SHEETS

SHEET NO.CH. BY

DR. BY

DATE

CONSULTANT SCE CHARGE READY PROGRAM

00001676702 MT SAN ANTONIO COLLEGE

EVSE SITE IMPROVEMENTS

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1/17/23 5

CUSTOMER INFRASTRUCTURE

IMPROVEMENTS

CONSTRUCTION NOTES E.Q.

REMOVAL OF HARDEN SURFACING 2,330 SF

2' WIDE UTILITY TRENCH 605 LF

PROPOSED ASPHALT 1,870 SF

PROPOSED CONCRETE 700 SF

INSTALL 1000 AMP SERVICE CT

METER AND MAIN SWITCHBOARD 1 UNIT

INSTALL PULL BOX 5 UNITS

INSTALL ABOVE GRADE RIGID

METAL CONDUIT +2" 70 LF

INSTALL ABOVE GRADE RIGID

METAL CONDUIT <2" 275 LF

INSTALL BELOW GRADE PVC

CONDUIT +2" 1,030 LF

INSTALL BELOW GRADE PVC

CONDUIT <2" 8,555 LF

#8 WIRE CONDUCTOR 2,595 LF

#6 WIRE CONDUCTOR 7,045 LF

#4 WIRE CONDUCTOR 14,380 LF

#2 WIRE CONDUCTOR 3,505 LF

#3 WIRE CONDUCTOR 5,660 LF

#12 WIRE CONDUCTOR 80 LF

DATA CAT5E CABLE 5,925 LF

STRIPING FOR ADA STALLS 1 UNIT

INSTALL ACCESSIBLE EVSE

SIGNAGE 2 UNITS

INSTALL TRUNCATED DOMES 20 SF

INSTALL SITE BOLLARDS 4 UNITS

INSTALL WHEELSTOPS 3 UNITS

INSTALL PAYMENT KIOSK 1 UNIT

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(TYP)

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(TYP)

AG

27'-9"

AB

AC (TYP)

18'(TYP)

A

PB-1

PB-2

PB-3

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AB

AD(TYP)

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F(TYP) A

UNKNOWN UTILITY

MULTIPLE

UTILITIES

(TYP)

SYMBOL LEGEND:

EXISTING WHEELSTOP

EXISTING SIGN

EXISTING LIGHT POLE

PROPOSED SIGN

PROPOSED WHEELSTOP

PROPOSED PULL BOX

PROPOSED PAYMENT KIOSK

- PEDESTAL MOUNTED

SINGLE PORT EVSE (QTY. 3)

ELECTRICAL CONDUIT

PROPOSED ACCESSIBLE

STRIPING

PROPOSED ACCESSIBLE

ROUTE

PROPOSED ASPHALT

CONCRETE PAVEMENT

PROPOSED CONCRETE

PROPOSED TRUNCATED

DOMES

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CONCEPTUAL PLAN

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SCALE IN FEET

Drawing: P:\221-0223\Site\00001676702_MTSAC\DD Phase\CP and SLD\00001676702_MTSAC_cp.dwg; Layout1 3 Plot by: crios Jan 20, 2023 - 10:19pm

SCALE: AS NOTED

OF SHEETS

SHEET NO.CH. BY

DR. BY

DATE

CONSULTANT SCE CHARGE READY PROGRAM

00001676702 MT SAN ANTONIO COLLEGE

EVSE SITE IMPROVEMENTS

GS

EO

1/17/23

CUSTOMER INFRASTRUCTURE

IMPROVEMENTS

SEE CUSTOMER INFRASTRUCTURE

IMPROVEMENTS ON SHEET 2.

YΔ

M 1 2

12kV, 500kVA, 208/120V, 3Ø, 4W

SERVICE CT METER AND MAIN SWITCHBOARD,

1000 AMP BUS, 1000 AMP MAIN, 100% RATED

208Y/120V, 3Ø, 4W, 65 kAIC MINIMUM

40A 2P

40A 2P

7 8

40A 2P

40A 2P

NEW UTILITY TRANSFORMER

(kVA RATING PER SCE)

PULL SECTION CT METERING SECTION

LANDING

LUGS (TYP)

MAIN

1000A 3P

(100% RATED)

TO EVSE-1

CHARGE PORTS 1 & 2

(32 FLA + 32 FLA)

TO EVSE-4

CHARGE PORTS 7 & 8

(32 FLA + 32 FLA)

1" U.G. PVC WITH

(4) #8 Cu AND

(2) #8 Cu GND

(TYP FOR EVSE-1

THROUGH EVSE-4)

9 10

40A 2P

40A 2P

19 20

40A 2P

40A 2P

TO EVSE-5

CHARGE PORTS 9 & 10

(32 FLA + 32 FLA)

TO EVSE-10

CHARGE PORTS 19 & 20

(32 FLA + 32 FLA)

1" U.G. PVC WITH

(4) #6 Cu AND

(2) #6 Cu GND

(TYP FOR EVSE-5

THROUGH EVSE-10)

(NEMA 3R)

Drawing: P:\221-0223\Site\00001676702_MTSAC\DD Phase\CP and SLD\00001676702_MTSAC_sld.dwg; Layout1 Plot by: crios Jan 20, 2023 - 10:26pm

SCALE: AS NOTED

OF SHEETS

SHEET NO.CH. BY

DR. BY

DATE

CONSULTANT SCE CHARGE READY PROGRAM

00001676702 MT SAN ANTONIO COLLEGE

EVSE SITE IMPROVEMENTS

GS

EO

1/17/23

SINGLE LINE DIAGRAM 5

NOTES:

1. TOTAL CONNECTED 3-PH KVA: 344.66 KVA AT 0.95 PF

2. STANDARD RATED SERVICE PANELS, OVER CURRENT PROTECTION DEVICES AND WIRE

SIZES BASED ON CEC/NEC REQUIREMENTS AT 125% CONTINUOUS LOAD. 100% RATED

SERVICE PANELS, OVER CURRENT PROTECTION DEVICES AND WIRE SIZES BASED ON

CEC/NEC REQUIREMENTS AT 100% CONTINUOUS LOAD.

3. TRANSFORMER LOADING BASED ON KVA REQUIREMENTS OF CHARGER AT 0.95 PF PER

SCE (6.7 KVA/CHARGER).

4. , INDIVIDUAL CHARGE PORT NUMBER. THIS IS NOT BREAKER

SPACE OR EVSE NUMBER.

5. , INDIVIDUAL CHARGE PORT NUMBER TYPICAL FOR PORTS THROUGH .

6. PER NEC 210.19 (A) INFORMATIONAL NOTE #4, "CONDUCTORS FOR BRANCH CIRCUITS AS

DEFINED IN ARTICLE 100, SIZED TO PREVENT A VOLTAGE DROP EXCEEDING 3 PERCENT

AT THE FARTHEST OUTLET OF POWER, HEATING, AND LIGHTING LOADS, OR

COMBINATION OF SUCH LOADS, AND WHERE THE MAXIMUM TOTAL VOLTAGE DROP ON

BOTH FEEDERS AND BRANCH CIRCUITS TO THE FARTHEST OUTLET DOES NOT EXCEED

5%."

7. ELECTRIC VEHICLE SUPPLY EQUIPMENT (EVSE) CAN BE DUAL CHARGE OR SINGLE

CHARGE PORT DEPENDENT ON LOCATION SEE DEFINED PLAN AND SINGLE LINE FOR

NUMBER OF CHARGE PORTS.

8. MAXIMUM VOLTAGE DROP FOR CONDUCTORS: #12 WIRE= 0.1%, #8 WIRE= 2.8%,

#6 WIRE= 2.8%, #4 WIRE= 2.6%, #3 WIRE= 2.5%, #2 WIRE= 2.6%

9. DIAGRAM ASSUMES CHARGER AND CONTROLLER ARE ONE (1) SELF CONTAINED UNIT.

(NEMA 3R)

21 22

40A 2P

40A 2P

39 40

40A 2P

40A 2P

TO EVSE-11

CHARGE PORTS 21 & 22

(32 FLA + 32 FLA)

TO EVSE-20

CHARGE PORTS 39 & 40

(32 FLA + 32 FLA)

1-1/2" U.G. PVC WITH

(4) #4 Cu AND

(2) #4 Cu GND

(TYP FOR EVSE-11

THROUGH EVSE-20)

2P 40A

TO EVSE-24

CHARGE PORT 47

(32 FLA)

1P 20A

TO PAYMENT

KIOSK

(9 FLA)

1" U.G. PVC TO

TRANSITION TO 1'' A.G.

RMC TO TRANSITION

TO 1'' U.G PVC WITH

(2) #6 Cu AND

(1) #6 Cu GND

SERVICE CT METER AND MAIN SWITCHBOARD,

1000 AMP BUS, 1000 AMP MAIN, 100% RATED

208Y/120V, 3Ø, 4W, 65 kAIC MINIMUM

2" U.G. PVC TO TRANSITION TO

2'' A.G. RMC TO TRANSITION TO

2'' U.G PVC WITH

(6) #2 Cu AND

(3) #2 Cu GND

(TYP FOR PB-1 THROUGH PB-3)

TO EVSE-25

CHARGE PORT 48

(32 FLA)

TO EVSE-26

CHARGE PORT 49

(32 FLA)

1-1/2'' U.G PVC WITH

(2) #2 Cu AND

(1) #2 Cu GND

(TYP FOR EVSE-24

THROUGH EVSE-26)

PULLBOX

(PB-3)

40A 2P

40A 2P

1P 20A

TO GATEWAY

(1.7 FLA)

1" U.G. PVC TO

TRANSITION TO

1'' A.G. RMC WITH

(2) #12 Cu AND

(1) #12 Cu GND

41 42

40A 2P

40A 2P

45 46

40A 2P

40A 2P

TO EVSE-21

CHARGE PORTS 41 & 42

(32 FLA + 32 FLA)

TO EVSE-23

CHARGE PORTS 45 & 46

(32 FLA + 32 FLA)

2" U.G. PVC WITH

(4) #3 Cu AND

(2) #3 Cu GND

(TYP FOR EVSE-21

THROUGH EVSE-23)

Drawing: P:\221-0223\Site\00001676702_MTSAC\DD Phase\CP and SLD\00001676702_MTSAC_sld.dwg; Layout1 (2) Plot by: crios Jan 20, 2023 - 10:26pm

SCALE: AS NOTED

OF SHEETS

SHEET NO.CH. BY

DR. BY

DATE

CONSULTANT SCE CHARGE READY PROGRAM

00001676702 MT SAN ANTONIO COLLEGE

EVSE SITE IMPROVEMENTS

GS

EO

1/17/23

SINGLE LINE DIAGRAM 5

File details come from the government source that posted it. Updated .