Amendment_1_01-E601_REV_1_7-22-22_01.pdf

1000KVA

12.47kV-480Y/277V Z=5.75%

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SPD

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TRANSFORMER SR-T-1

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PAD-MOUNT

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800kW 1000kVA 480Y/277V

(DIESEL)

SB

TB

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(TYPE C)

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225AF

60AT

3P

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800AF

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100%

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SERVICE ENTRANCE

SWITCHBOARD

SR-SES-1 : 480V, 2000A, 3PH,

4W, 65000AIC

SIZED

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LVP

2000AF

1800AS/AT

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LSIGAN

DMP

(TYPE PC1)

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MCCB

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ACTIVE

HARMONIC

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1 2

ATS

BYPASS

AUTOMATIC TRANSFER

SWITCH 'SR-ATS-1'

2000A, 3-POLE

SOLID NEUTRAL

BYPASS-ISOLATION TYPE

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BRINE

BUILDING

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60A 3P

YAVAPAI

LODGE

ROAD LIFT

STATION

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SR-PLC-1

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SR-PLC-1

SR-PLC-1

SR-PLC-1:C186

ACC

POWER

SR-MCC-2

Subtotal SR-MCC-2 614.8

25% NPS Spare Capacity 341.6

Total, with +25% Spare capacity 1707.8

SR-SWBD-1 Loads (Direct Connection)

Power Panel (Brine) SR-PP-1 kVA 9 10.8

SR-SWBD-1 LOAD ANALYSIS:

SR-MCC-1 UNIT LOAD

AMPS @

480V

Subtotal SR-MCC-1 Load 608.4

Subtotal SR-SWBD-1 Connected Load 1314.3

25% of largest motor (UF Feed Pump) 52.0 Subtotal - Minumum SR-SWBD-1 Ampacity per NEC 1366.3

SWGR Bldg Heat Pump (18MCA) 01-PTHP-1 HP 10 14 SWGR Bldg Heat Pump (18MCA) 01-PTHP-2 HP 10 14 Generator Accessory Power - kVA 25 30.1 Lift Station - HP 6 21.0 Mini-Power Zone SR-MPZ-2 kVA 1 1.2 Subtotal SR-SWBD-1 Direct Connection Load 91.1

DATE:

DESIGNED:

TECH. REVIEW:

SUB SHEET NO.

PMIS/PKG NO.

DRAWING NO.

SHEET

TITLE OF SHEET

OF

B

IM

/1

N P

S

G ra n d C a n y o n S o u th

R im

W T

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/1

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R W

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/2

/2

:4

:0

P M

E601

GRAND CANYON NATIONAL PARK

190083

ELECTRICAL

SWITCHBOARD SR-SWBD-1

ONE-LINE DIAGRAM

T. MOORE

P. DAVILA

04/22/2022

N. LYNCH

14456601-

01-E601

1 SWITCHBOARD SR-SWBD-1 ONE-LINE DIAGRAM

(SOUTH RIM WTP YARD)

X

KEY NOTES

1 SWITCHBOARD SERVICE ENTRANCE SECTION (SES)

EQUIPMENT PER APS ELECTRIC SERVICE

REQUIREMENTS MANUAL. SERVICE ENTRANCE

SECTION EQUIPMENT TO BE REVIEWED BY APS

METER SHOP PRIOR TO ACQUIRING THE

EQUIPMENT.

2 REFER TO APS/ CONTRACTOR ELECTRIC SERVICE

SCOPE TABLE FOR ADDITIONAL INFORMATION.

3 TRANSFORMER SIZE SHOWN IS AS RECOMMENDED

BY ARIZONA PUBLIC SERVICE. TRANSFORMER

IMPEDANCE SHOWN IS NOMINAL IMPEDANCE

(ANSI-STANDARD). ARIZONA PUBLIC SERVICE

TRANSFORMER MATERIAL SPECIFICATIONS

INDICATE THAT ACTUAL TRANSFORMER IMPEDANCE

WILL BE IN THE RANGE OF 5.35%-6.15% (-/+ 7% FROM

NOMINAL IMPEDANCE). CONTRACTOR SHALL

CONFIM ACTUAL TRANSFORMER IMPEDANCE AND

PROVIDE IMPEDANCE TO CONTRACTING OFFICER.

4 MAIN BONDING JUMPER.

5 GENERATOR INCLUDES WEATHERPROOF

SOUND-ATTENUATING ENCLOSURE (60dB AVG

@7M/23FT), AND A SUB-BASE FUEL TANK PROVIDING

24-HOUR GENERATOR RUNTIME AT FULL LOAD.

6 EQUIPMENT IS BUSSED/CLOSE-COUPLED BY

MANUFACTURER.

7 BUS TRANSITION SECTION IF REQUIRED BY

MANUFACTURER.

8 TRANSFORMER SECONDARY CONDUCTORS

SUPPLIED AND INSTALLED BY ARIZONA PUBLIC

SERVICE. CONDUCTORS LISTED ARE ALUMINUM

WITH XLPE INSULATION, APS CONDUCTOR CODE

"6220.UA750DDV" PER APS CONSTRUCTION

STANDARD #6220.

9 AUTOMATIC TRANSFER SWITCH IS

OPEN-TRANSITION TYPE. ATS MUST BE REVIEWED

AND APPROVED BY ARIZONA PUBLIC SERVICE

INTERCONNECTION DEPARTMENT PRIOR TO

ACQUIRING THE EQUIPMENT.

10 SELF-CONTAINED ACCESSORY POWER

PANELBOARD AND TRANSFORMER.

1. CONTRACTOR TO TRENCH/BACKFILL (INCLUDING CONDUIT BEDDING) FOR

CIRCUITS BETWEEN APS POLES AND SWITCHING CABINETS, UNDERGROUND

PRIMARY CIRCUITS AND SECONDARY CIRCUIT FROM THE TRANSFORMER TO THE

SES. ASSOCIATED TRENCHING/BACKFILL TO COMPY WITH THE FOLLOWING APS

STANDARDS: "APS SUBSTRUCTURES TRENCHING REQUIREMENTS - FORM 8601" AND

"APS SUBSTRUCTURES EXAMPLE OF TRENCH DETAILS FOR ELECTRIC (ONLY)

WHERE ELECTRIC FACILITIES ARE INSTALLED IN CONDUIT - FORM 8620"

NOTE:

CTs/ METER X

SES/ METER PANEL X

BOLLARDS & HILL HOLDERS X

UNDERGROUND WIRE X

OVERHEAD WIRE X

GROUND ROD X

SPARE CONDUIT ELECTRONIC MARKER BALL X

CONDUIT CAPS, PLUGS, MULE TAPE X

CONDUIT - UNDERGROUND X

OVERHEAD TO UNDERGROUND... X

POLE X

ABOVE GROUND SWITCHING CABINET PAD X

ABOVE GROUND SWITCHING CABINET X

ABOVE/UNDERGROUND PRIMARY PULL BOX X

ABOVE/UNDERGROUND SERVICE JUNCTION BOX X

3Ø TRANSFORMER PAD X

3Ø TRANSFORMER - UNDERGROUND X

EQUIPMENT

APS

PROVIDES,

APS

INSTALLS

APS

PROVIDES,

CUSTOMER

INSTALLS

CUSTOMER

ACQUIRES &

INSTALLS

APS/ CONTRACTOR ELECTRIC SERVICE SCOPE...

REV 1 APS COORDINATION 07/22/2022