Atch 3_Drawings_B6414 Electrical Upgrades_100 percent_amendment 0001.pdf

ABBREVIATIONS

LETTER NAME

SYMBOLS LEGEND

SYMBOL DESCRIPTION

Ø PHASE

A ABOVE COUNTER / AMPERE

AFF ABOVE FINISHED FLOOR

BFC BELOW FINISHED CEILING

AL ALUMINUM

AMP AMPERE

ATS AUTOMATIC TRANSFER SWITCH

AWG AMERICAN WIRE GAUGE

BLDG BUILDING

BOD BOTTOM OF DEVICE

CB CIRCUIT BREAKER

CKT CIRCUIT

CLK CLOCK

COD CENTER OF DEVICE

CO CONDUIT ONLY

COMM COMMUNICATIONS

CT CURRENT TRANSFORMER

CU COPPER

D DEMOLITION

DIA DIAMETER

DISC DISCONNECT

DN DOWN

DW DISHWASHER

E EXISTING TO REMAIN

EA EACH

EGC EQUIPMENT GROUNDING CONDUCTOR

ELEC ELECTRIC

ELEV ELEVATION

EMT ELECTRICAL METALLIC CONDUIT

ENCL ENCLOSURE

EQPM EQUIPMENT

ER EXISTING TO BE REMOVED

EXP EXPLOSION PROOF

EXST EXISTING

FA FIRE ALARM

FDR FEEDER

FLA FULL LOAD AMPERES

FO FIBER OPTIC

G GROUND FAULT CIRCUIT INTERRUPT/GROUND

GALV GALVANIZED

GEN GENERATOR

GFP GROUND FAULT PROTECTION

GND GROUND

HH HANDHOLE

HP HORSEPOWER

HZ HERTZ (CYCLES PER SECOND)

IC INTERRUPTING CAPACITY

IDF INTERMEDIATE DISTRIBUTION FRAME

IG ISOLATED GROUND

IN INCH / INCHES

JBOX JUNCTION BOX

KVA KILO-VOLT-AMPERE

KW KILOWATT

LC LIGHTING CONTROL

MAX MAXIMUM

MCC MOTOR CONTROL CENTER

MECH MECHANICAL

MFR MANUFACTURER

MGB MASTER GROUND BAR

MH MANHOLE

MIN MINIMUM

MTD MOUNTED

MW MICROWAVE

N NEUTRAL

NC NORMALLY CLOSED

NEC NATIONAL ELECTRIC CODE

NEMA NATIONAL EQUIP. MANUFACTURER'S ASSOC.

NEUT NEUTRAL

NIC NOT IN CONTRACT

NL NIGHT LIGHT

NO NORMALLY OPEN

NTS NOT TO SCALE

OC ON CENTER

OL OVERLOAD

PB PULL BOX

PKG PACKAGE

PNL PANEL

PR PAIR

PWR POWER

R EXISTING TO BE RELOCATED

RCPT RECEPTACLE

REF REFRIGERATOR

REV REVISION

RM ROOM

SHT SHEET

SIM SIMILAR

SPD SURGE PROTECTIVE DEVICE

SPKR SPEAKER

STBY STANDBY

STD STANDARD

SW SWITCH

SWBD SWITCHBOARD

SWGR SWITCHGEAR

SYS SYSTEM

TBB TELEPHONE BONDING BACKBONE

TC TIME CLOCK

TEL TELEPHONE

THRU THROUGH

TOD TOP OF DEVICE

TGB TELECOMMUNICATIONS GROUND BAR

TMGB TELECOMMUNICATIONS MAIN GROUND BAR

TV TELEVISION

TYP TYPICAL

UG UNDERGROUND

UH UNIT HEATER

UPS UNINTERRUPTIBLE POWER SUPPLY

VFY VERIFY

VFD VARIABLE FREQUENCY DRIVE

WP WEATHERPROOF

XFMR TRANSFORMER

Z IMPEDANCE

GENERAL

SHEET NOTE

RACEWAY CONCEALED IN WALL/CEILING

CONDUIT UP,VERTICAL TRANSITION

CONDUIT DOWN,VERTICAL TRANSITION

CONDUIT CAPPED

HOME RUN

X = PANELBOARD

# =BRANCH CIRCUIT NUMBER(S)

JUNCTION BOX

X:#

T

J

POWER

EQUIPMENT CONNECTION

DISCONNECT SWITCH

FUSED DISCONNECT SWITCH

PANELBOARD

TRANSFORMER

HANDHOLEHH

THE FOLLOWING GENERAL NOTES APPLY TO ALL DRAWINGS

1. ELECTRICAL CONTRACTOR SHALL COORDINATE WORK WITH OTHER TRADES.

2. ALL MATERIALS SHALL BE NEW AND SHALL BE LISTED BY UNDERWRITER'S LABORATORIES,

INC.

3. SEAL ALL PENETRATIONS IN RATED WALLS, FLOORS AND CEILINGS WITH A UL APPROVED

FIRE STOP SYSTEM.

4. PROVIDE A 220 LB NYLON JET PULL STRING IN ALL EMPTY RACEWAYS.

5. THE INSTALLATION SHALL COMPLY WITH THE CURRENT EDITION OF THE NATIONAL

ELECTRICAL CODE (NEC), THE STATE OF WASHINGTON ADMINISTRATIVE CODE, THE

AUTHORITY HAVING JURISDICTION, AND UTILITY REQUIREMENTS.

6. THE CONTRACTOR SHALL ENSURE THAT THE ENTIRE ELECTRICAL SYSTEM FOR THIS

BUILDING IS GROUNDED IN ACCORDANCE WITH ALL APPLICABLE PROVISIONS OF ARTICLE 250

OF THE N.E.C.

7. WORKING SPACE ABOUT ELECTRICAL PANELS, SWITCHGEAR, ETC SHALL COMPLY WITH NEC.

8. PROVIDE EQUIPMENT LABELS FOR DISCONNECT SWITCHES, WIRING TROUGHS, ETC. TO

IDENTIFY EQUIPMENT OR EQUIPMENT SERVED. LABELS SHALL BE 1/8" THICK OF PHENOLIC

MATERIAL, MACHINE ENGRAVED TO EXPOSE CONTRASTING INNER CORE.

9. ELECTRICAL CONTRACTOR SHALL PAY ALL UTILITY CONNECTION CHARGES.

10. ELECTRICAL CONTRACTOR SHALL ARRANGE ALL INSPECTIONS AND PAY ALL FEES. SUBMIT

COPY OF FINAL INSPECTION REPORT TO THE OWNER.

11. NOT ALL LEGEND AND ABBREVIATIONS ARE NECESSARY OR REQUIRED FOR THIS DRAWING

SET.

12. WHERE A CONFLICT EXISTS WITHIN THE DOCUMENTS, THE MOST EXPENSIVE OPTION SHALL

GOVERN.

13. ELECTRICAL CONTRACTOR MUST TOUR THE PROJECT SITE PRIOR TO BID TO ASSESS

EXISTING CONDITIONS, WHICH MAY AFFECT HIS BID. LATER CLAIMS FOR WORK THAT WAS

EVIDENT WILL NOT BE ALLOWED.

14. NO STRUCTURAL MEMBERS SHALL BE CUT OR ALTERED WITHOUT PRIOR APPROVAL OF THE

OWNER AND STRUCTURAL ENGINEER.

GENERAL NOTES

THE FOLLOWING GENERAL NOTES APPLY TO ALL DRAWINGS

1. DRAWINGS ARE DIAGRAMMATIC IN NATURE. THE CONTRACTOR SHALL PROVIDE ALL REQUIRED

RACEWAYS AND WIRING, INCLUDING PULL BOXES AS REQUIRED BY NEC.

2. GENERAL:

2.1. MINIMUM RACEWAY SIZE SHALL BE 3/4", 1" FOR UNDERGROUND CONDUIT.

2.2. PROVIDE A GROUND CONDUCTOR IN ALL RACEWAYS.

2.3. PROVIDE A DEDICATED NEUTRAL CONDUCTOR FOR EACH BRANCH CIRCUIT.

BRANCH CIRCUIT WIRING

DEMOLITION PLANS

THE FOLLOWING GENERAL NOTES APPLY TO ALL DEMOLITION PLAN DRAWINGS

1. ALL DEMOLITION ACTIVITIES SHALL ADHERE TO THE APPROVED PROJECT PHASING PLAN.

REFER TO PROJECT PHASING NARRATIVE FOR REQUIREMENTS.

2. REMOVE ALL ELECTRICAL DISTRIBUTION EQUIPMENT, RACEWAYS, AND CONDUCTORS AS

SHOWN ON THE DEMO ONE-LINE DIAGRAM.

3. REMOVE ALL TEMPORARY WORK INSTALLED DURING THE COURSE OF CONSTRUCTION.

4. THE ELECTRICAL CONTRACTOR SHALL COORDINATE THE REMOVAL OF THE EXISTING

ELECTRICAL EQUIPMENT WITH THE OWNER AND SERVING UTILITY. THE ELECTRICAL

CONTRACTOR SHALL DISCONNECT AND REMOVE ALL PANELS AND SWITCHBOARDS AND

SHALL VERIFY ALL POWER IS DEAD IN AREAS BEFORE THE DEMOLITION BEGINS.

5. ALL CONDUCTORS WILL BE REMOVED FROM ABANDONED CONDUITS.

6. ALL ABANDONED WALL BOXES OR WALL PENETRATIONS SHALL BE FILLED IN TO MATCH

EXISTING WALLS.

7. ALL EXISTING ELECTRICAL EQUIPMENT REMOVED SHALL REMAIN THE PROPERTY OF THE

OWNER AND SHALL BE STORED OR REMOVED FROM SITE AS DIRECTED.

8. WHERE THE PHRASE "EXTENDED WIRING" IS USED IT REQUIRES THE REMOVAL OF EXISTING

WIRING, THE EXTENSION OF THE CONDUIT RUN AND THE PULLING IN OF NEW WIRING TO THE

SPECIFIED PANEL.

9. ALL EXPOSED ELECTRICAL CONDUIT, WIRE, DEVICES, EQUIPMENT ETC., THAT ARE TO BE

ABANDONED, SHALL BE REMOVED TO THE POINT OF CONCEALMENT.

10. EXISTING CONDUIT MAY BE REUSED IF IN GOOD CONDITION. CONTRACTOR TO VERIFY

CONDITION OF CONDUIT WHERE POSSIBLE. REUSED CONDUIT SHALL HAVE A SWAB PULLED

PRIOR TO NEW CONDUCTORS BEING INSTALLED.

11. EVERY EFFORT HAS BEEN MADE TO COORDINATE EXISTING ELECTRICAL INFORMATION,

WHETHER EXISTING TO REMAIN OR BE REMOVED WITH BOTH AS-BUILT DRAWINGS AND SITE

OBSERVATIONS. AS-BUILT DRAWINGS ARE INCLUDED FOR REFERENCE ONLY TO ASSIST WITH

BID AND CONSTRUCTION. HOWEVER, DISCREPANCIES MAY EXIST BETWEEN ACTUAL AND

SHOWN CONDITIONS AND ELECTRICAL WORK. THE ELECTRICAL CONTRACTOR SHOULD

EXPECT MINOR DEVIATIONS TO OCCUR AND IS EXPECTED TO WORK THROUGH THEM WITH

ASSISTANCE FROM BUILDING OWNER AND ELECTRICAL ENGINEER.

12. CONTRACTOR SHALL TRANSPORT AND LEGALLY DISPOSE OFF-SITE ALL MATERIALS

RESULTING FROM DEMOLITION NOT BEING SALVAGED.

THE FOLLOWING GENERAL NOTES APPLY TO ALL SITE PLAN DRAWINGS

1. COORDINATE ROUTING OF UNDERGROUND RACEWAYS WITH ALL NEW AND EXISTING UTILITIES.

2. CONTRACT WITH A LOCATOR SERVICE TO MARK THE LOCATION OF ALL EXISTING UNDERGROUND

UTILITIES PRIOR TO EXCAVATION.

3. PROVIDE ALL REQUIRED CUTTING, PATCHING, EXCAVATION, COMPACTION, AND PATCHING FOR

INSTALLATION OF UNDERGROUND RACEWAYS AND UTILITY SERVICES.

4. BACKFILL ALL TRENCHES (INCLUDING THOSE FOR UTILITY SERVICES) WITH STRUCTURAL BACKFILL OR

GRAVEL BORROW PER UTILITY SPECIFICATIONS AND WSDOT STANDARDS.

5. THE CONTRACTOR IS SOLELY RESPONSIBLE FOR ALL COORDINATION WITH THE SERVING UTILITY COMPANIES INCLUDING COMPLETING AND SUBMITTING ALL NECESSARY APPLICATIONS FOR SERVICE.

6. CONTRACTOR TO OBTAIN ALL REQUIRED PERMITS AND EASEMENTS.

SITE PLANS

1. PROVIDE PULL BOXES AS REQUIRED BY THE NEC.

2. THE ONE-LINE DIAGRAM IS DIAGRAMMATIC AND DOES NOT SHOW THE ACTUAL ROUTING

OFTHE RACEWAYS.

3. THE ELECTRICAL DISTRIBUTION SECTION SHALL BE FULLY RATED. A SERIES RATED

SYSTEM IS NOT ACCEPTABLE.

4. NOT ALL CIRCUIT BREAKERS ARE SHOWN. REFER TO PHYSICAL PANELS AND

SWITCHBOARDS FOR OTHER LOADS SERVED, AND SPARE CIRCUIT BREAKERS.

ONE-LINE DIAGRAM

(E) - EXISTING TO REMAIN, SHOWN AS LIGHT

(ER) - EXISTING TO BE RELOCATED, SHOWN AS DASHED AND BOLD

(D) - DEMO, SHOWN AS DASHED AND BOLD

(N) - NEW WORK, SHOWN BOLD

LEGEND

PROJECT PHASING TO INCLUDE COMPLETE INSTALLATION OF

NEW EQUIPMENT INCLUDING MEDIUM VOLTAGE TRANSFORMER, SWITCHBOARD, ATS, AND

ASSOCIATED FEEDERS PRIOR TO DEMOLITION ACTIVITIES. CONTRACTOR SHALL DISCONNECT

EXISTING EQUIPMENT ONLY WHEN NEW EQUIPMENT HAS BEEN VERIFIED AS READY FOR

ENERGIZING AND TRANSITION OF POWER AND BACK-FEEDING ON EXISTING EQUIPMENT SHALL

BE COMPLETED SIMULTANEOUSLY TO MINIMIZE REQUIRED OUTAGES.

ALL OUTAGES SHALL BE COORDINATED WITH THE OWNER A MINIMUM OF 2 WEEKS IN ADVANCE

AND SHALL OCCUR ON SATURDAY MORNINGS. CONTRACTOR SHALL SUBMIT A PHASING PLAN

AND PROJECTED SCHEDULE TO OWNER FOR APPROVAL PRIOR TO COMMENCEMENT OF

CONSTRUCTION ACTIVITIES.

PROJECT PHASING NARRATIVE

REV DATE DESCRIPTION

PROJ. NO.

DRAWN

CHECKED

DATE

COFFMAN ENGINEERS INC.C

241850

09/04/24

SHEET TITLE:

SHEET NO:

A

B

C

D

A

B

C

D

1 2 3 4 5

2 3 4 5

APHIS

MOORE AIR BASE

BUILDING 6414

ELECTRICAL

UPGRADES

22675 N.

MOOREFIELD RD

EDINBURG, TX 78541

PHASE 1 100% IFC

P:

\S

PO

\24

JO

BS

\24

A

PH

IS

M

AB

E

LE

CT

RI

CA

L U

PG

RA

DE

S\

0.0 D

W

GS

\E \P

H1 _2

0_ E0

.D

W G.

_E

1 :

P

ER

RY

, S

HA

UN

A : L

AS

T

SA

VE

D:

A ug us t 2 9, : P

LO

T

DA

TE

: 9

/3/ www.coffman.com ph 509.328.2994

221 N. Wall Street

Spokane, WA 99201 Suite 500

MBV

SLP

SYMBOLS, NOTES,

AND SHEET INDEX

1 9/4/24 IFB REVIEW

E001

PHASE 1 SHEET INDEX

SHEET NUMBER SHEET TITLE

Electrical: PHASE 1

E001 SYMBOLS, NOTES, AND SHEET INDEX

E101 ELECTRICAL SITE PLAN

ED401 ENLARGED SITE PLAN - EQUIPMENT YARD DEMOLITION

E401 ENLARGED SITE PLAN - EQUIPMENT YARD

ED601 ONE LINE DIAGRAM - DEMOLITION

E601 ONE-LINE DIAGRAM

9/4/24

12639524R0040, Atch 3, Amendment 1

(E) BLDG 6414

A2

ED401

T

(E) MV SWITCH

(E) COMM HH

(D) 1500KVA XFMR

BLDG 6414

(D) 4"C; 3#4/0, 15KV

(E) 2-4"C; SPARE

T

(N) 1500KVA XFMR

BLDG 6414 (OFCI)

A2 E401

(N) XFMR PAD 3

DETAIL NOTES:

SE

E

NO

TE

SEE NOTE 5

PLAN

SECTION

CONCRETE PAD SIZED AS REQUIRED

8"

SECTION

1 1/2" CHAMFER (BEVEL) TOP EDGE

1. PAD ASSEMBLIES INCLUDE SITE PREPARATION BEDDING

AND DRAINAGE.

2. SLABS MAY BE PRECAST OR POURED IN PLACE. STEEL

REINFORCING SHALL BE #4 BARS AT 12" O.C. EACH WAY TO

STOP 1" FROM SIDES AND CABLE OPENINGS.

3. EQUIPMENT SHALL BE SECURED TO PAD IN ACCORDANCE

WITH MANUFACTURERS INSTRUCTIONS.

4. LOCATION & SIZE OF CONDUIT OPENING SHALL BE

COORDINATED TO TRANSFORMER SPECIFICATIONS.

5. PAD DIMENSIONS SHALL BE 12" LARGER THAN EQUIPMENT

OUTSIDE DIMENSIONS. COORDINATE WITH EQUIPMENT

MANUFACTURER.

6. CONCRETE: 4000PSI AT 25 DAYS

SEE NOTE 4 SEE NOTE 4

SE

E

NO

TE

NOTE 2

CORNER PIERS

#5 TIE BARS, BENT (4 PLACES)

10"

5'- 1"

5'- 0"

2" 4"

2"FINISHED GRADE

SECTION

REV DATE DESCRIPTION

PROJ. NO.

DRAWN

CHECKED

DATE

COFFMAN ENGINEERS INC.C

241850

09/04/24

SHEET TITLE:

SHEET NO:

A

B

C

D

A

B

C

D

1 2 3 4 5

2 3 4 5

APHIS

MOORE AIR BASE

BUILDING 6414

ELECTRICAL

UPGRADES

22675 N.

MOOREFIELD RD

EDINBURG, TX 78541

PHASE 1 100% IFC

P:

\S

PO

\24

JO

BS

\24

A

PH

IS

M

AB

E

LE

CT

RI

CA

L U

PG

RA

DE

S\

0.0 D

W

GS

\E \P

H1 _2

0_ E1

.D

W G.

_E

1 :

P

ER

RY

, S

HA

UN

A : L

AS

T

SA

VE

D:

A ug us t 3 0, : P

LO

T

DA

TE

: 9

/3/ www.coffman.com ph 509.328.2994

221 N. Wall Street

Spokane, WA 99201 Suite 500

SCALE:A2 ELECTRICAL SITE PLAN

1" = 10'-0" NORTH

MBV

SLP

ELECTRICAL SITE

PLAN

1 9/4/24 IFB REVIEW

E101

1. ALL WORK SHALL COMPLY WITH THE CURRENT NEC AS ADOPTED BY THE STATE OF

TEXAS OR LOCAL AUTHORITY HAVING JURISDICTION.

2. PRIOR TO SAW CUTTING OR CORE DRILLING, PROVIDE X-RAY OR SIMILAR LOCATE

TECHNOLOGY TO VERIFY LOCATION OF EXISTING REBAR AND CONDUIT. CONTRACTOR

WILL BE RESPONSIBLE TO REPAIR ANY DAMAGE TO EXISTING UNDERGROUND UTILITIES

CAUSED BY DEMOLITION ACTIVITIES.

3. REFER TO SINGLE LINES ED601 AND E601 FOR ADDITIONAL REQUIREMENTS.

GENERAL NOTES

1. EXISTING TRANSFORMER TO REMAIN ACTIVE DURING CONSTRUCTION. DEMO EXISTING

TRANSFORMER ONLY AFTER NEW WORK IS COMPLETE AND THE NEW TRANSFORMER HAS

BEEN ENERGIZED. REFER TO ONE-LINE ED601 FOR ADDITIONAL REQUIREMENTS.

2. CONTRACTOR TO INSTALL NEW OWNER FURNISHED TRANSFORMER.

3. NEW TRANSFORMER PAD TO BE PROVIDED PER DETAIL. COORDINATE LOCATION WITH

EXISTING PRIMARY CONDUITS.

4. COORDINATE PHASING OF ALL WORK TO MINIMIZE FACILITY DOWN-TIME ACCORDING TO

PROJECT PHASING NARRATIVE. TRANSFERRING MEDIUM VOLTAGE SWITCH TO NEW

TRANSFORMER TO BE COMPLETED ONLY AFTER INSPECTION AND APPROVAL OF NEW

WORK, BY OWNER'S REP.

SHEET NOTES-

PROJECT PHASING TO INCLUDE COMPLETE INSTALLATION OF

NEW EQUIPMENT INCLUDING MEDIUM VOLTAGE TRANSFORMER, SWITCHBOARD, ATS, AND

ASSOCIATED FEEDERS PRIOR TO DEMOLITION ACTIVITIES. CONTRACTOR SHALL DISCONNECT

EXISTING EQUIPMENT ONLY WHEN NEW EQUIPMENT HAS BEEN VERIFIED AS READY FOR

ENERGIZING AND TRANSITION OF POWER AND BACK-FEEDING ON EXISTING EQUIPMENT SHALL

BE COMPLETED SIMULTANEOUSLY TO MINIMIZE REQUIRED OUTAGES.

ALL OUTAGES SHALL BE COORDINATED WITH THE OWNER A MINIMUM OF 2 WEEKS IN ADVANCE

AND SHALL OCCUR ON SATURDAY MORNINGS. CONTRACTOR SHALL SUBMIT A PHASING PLAN

AND PROJECTED SCHEDULE TO OWNER FOR APPROVAL PRIOR TO COMMENCEMENT OF

CONSTRUCTION ACTIVITIES.

PROJECT PHASING NARRATIVE

SCALE:A1 TRANSFORMER PAD DETAIL

NTS

(E) GENERATOR

800 KW

277/480V

(E) CHILLER

(D) MV XFMR

1500KVA

15KV TO 480/277V

BUS

MB 1,600A

480/277V

MECH PIPING

(E) CHILLER DISC

480V/3P/400A NEMA 3R

(D) ATS

1200A 4P

NEMA 3R

(D) OVERHEAD

CONDUIT

DIST

SEC 1

DIST

SEC 4

DIST

SEC 5

TO MV

SWITCH

(D) (D)

(E) MAIN SWBD 4

(D) WP

REV DATE DESCRIPTION

PROJ. NO.

DRAWN

CHECKED

DATE

COFFMAN ENGINEERS INC.C

241850

09/04/24

SHEET TITLE:

SHEET NO:

A

B

C

D

A

B

C

D

1 2 3 4 5

2 3 4 5

APHIS

MOORE AIR BASE

BUILDING 6414

ELECTRICAL

UPGRADES

22675 N.

MOOREFIELD RD

EDINBURG, TX 78541

PHASE 1 100% IFC

P:

\S

PO

\24

JO

BS

\24

A

PH

IS

M

AB

E

LE

CT

RI

CA

L U

PG

RA

DE

S\

0.0 D

W

GS

\E \P

H1 _2

0_

ED

1.D

W G.

_E

D4

: P

ER

RY

, S

HA

UN

A : L

AS

T

SA

VE

D:

A ug us t 2 9, : P

LO

T

DA

TE

: 9

/3/ www.coffman.com ph 509.328.2994

221 N. Wall Street

Spokane, WA 99201 Suite 500

1. ALL WORK SHALL COMPLY WITH THE CURRENT NEC AS ADOPTED BY THE STATE OF

TEXAS OR LOCAL AUTHORITY HAVING JURISDICTION.

2. FOR UNDERGROUND FEEDERS TO BE REMOVED, CONTRACTOR TO REMOVE ALL

CONDUCTORS AND ABANDON CONCEALED CONDUIT IN PLACE. DEMO CONDUIT STUB-UP

BACK TO MINIMUM 6" BELOW GRADE AND PATCH OR REPLACE FINISHED GRADE TO

EXISTING CONDITIONS.

3. REFER TO SINGLE LINES ED601 AND E601 FOR ADDITIONAL REQUIREMENTS.

4. PRIOR TO SAW CUTTING OR CORE DRILLING, PROVIDE X-RAY OR SIMILAR LOCATE

TECHNOLOGY TO VERIFY LOCATION OF EXISTING REBAR AND CONDUIT. CONTRACTOR

WILL BE RESPONSIBLE TO REPAIR ANY DAMAGE TO EXISTING UNDERGROUND UTILITIES

CAUSED BY DEMOLITION ACTIVITIES.

GENERAL NOTES

1. EXISTING TRANSFORMER TO REMAIN ACTIVE DURING CONSTRUCTION. DEMO EXISTING

TRANSFORMER ONLY AFTER NEW WORK IS COMPLETE AND THE NEW TRANSFORMER HAS

BEEN ENERGIZED.

2. DEMO EXTERIOR WIRING DEVICE AND ASSOCIATED CONDUITS AND WIRE BACK TO SOURCE

OR NEAREST REMAINING DEVICE. PATCH AND SEAL PENETRATION.

3. EXISTING ATS TO BE REMOVED ONLY AFTER NEW WORK IS COMPLETE, NEW SERVICE

TRANSFORMER HAS BEEN ENERGIZED AND NEW ATS AND RACEWAY ARE COMPLETE.

REPLACE ATS WITH NEMA 3R JUNCTION BOX FOR GENERATOR CONNECTION TO NEW ATS.

4. EXISTING MAIN SWITCHBOARD TO BE BACK-FED FROM NEW EXTERIOR MAIN SERVICE

SWITCHBOARD 'MSB-1'. INSTALL NEW FEEDER PER ONE-LINE E601 BEFORE TRANSFERRING

POWER. ENERGIZE NEW TRANSFORMER AND MSB-1 SIMULTANEOUS TO BACK-FEEDING

EXISTING EQUIPMENT TO MINIMIZE DOWNTIME.

5. EXISTING SCREEN WALL TO BE REMOVED BY OWNER PRIOR TO COMMENCING.

6. EXISTING SIDEWALK TO BE REMOVED BY OWNER PRIOR TO COMMENCING.

SHEET NOTES-

MBV

SLP

ENLARGED SITE PLAN

- EQUIPMENT YARD

DEMOLITION

ED401SCALE:A2 ENLARGED SITE PLAN - EQUIPMENT YARD DEMOLITION

1/4" = 1'-0" NORTH

PROJECT PHASING TO INCLUDE COMPLETE INSTALLATION OF

NEW EQUIPMENT INCLUDING MEDIUM VOLTAGE TRANSFORMER, SWITCHBOARD, ATS, AND

ASSOCIATED FEEDERS PRIOR TO DEMOLITION ACTIVITIES. CONTRACTOR SHALL DISCONNECT

EXISTING EQUIPMENT ONLY WHEN NEW EQUIPMENT HAS BEEN VERIFIED AS READY FOR

ENERGIZING AND TRANSITION OF POWER AND BACK-FEEDING ON EXISTING EQUIPMENT SHALL

BE COMPLETED SIMULTANEOUSLY TO MINIMIZE REQUIRED OUTAGES.

ALL OUTAGES SHALL BE COORDINATED WITH THE OWNER A MINIMUM OF 2 WEEKS IN ADVANCE

AND SHALL OCCUR ON SATURDAY MORNINGS. CONTRACTOR SHALL SUBMIT A PHASING PLAN

AND PROJECTED SCHEDULE TO OWNER FOR APPROVAL PRIOR TO COMMENCEMENT OF

CONSTRUCTION ACTIVITIES.

PROJECT PHASING NARRATIVE

MBV

SLP

ENLARGED SITE PLAN

- EQUIPMENT YARD

DEMOLITION

1 9/4/24 IFB REVIEW

ED401

(E) GENERATOR

800 KW

277/480V

(E) CHILLER

BUS

MB 1,600A

480/277V

MECH PIPING

(E) CHILLER DISC

480V/3P/400A NEMA 3R

DIST

SEC 1

DIST

SEC 4

DIST

SEC 5

(E) MAIN SWBD

(N) MV XFMR

1500KVA

15KV TO

480/277V

(OFCI)

(N) MSB-1

(N) J-BOX

(N) 2000A GEN ATS

NEC 702 480Y/277V

4-POLE NEMA 3R

(N) XFMR PAD 3

GROUND BUS

3" (TYP)

SAND ENVELOPE PROVIDE CONDUITS

SIZE AND QUANTITY AS

INDICATED ON PLANS

3" (T

YP

" M

IN 18

FINISHED GRADE/PAVEMENT WARNING TAPE WITH METALLIC TRACER

LABELED "ELECTRICAL BURIED BELOW"

(LENGTH OF TRENCH)

UNDISTURBED SOIL

3" C

LE

AR

(T

YP

STRUCTURALLY COMPACTED

IN-ORGANIC FILL

DETAIL NOTES:

SE

E

NO

TE

SEE NOTE 5

PLAN

SECTION

SECTION

CONCRETE PAD SIZED AS REQUIRED

8"6"

MI

N.

SECTION

1" CHAMFER

#5 BARS @12" O.C. EA. WAY

1. PAD ASSEMBLIES INCLUDE SITE PREPARATION BEDDING

AND DRAINAGE.

2. SLABS MAY BE PRECAST OR POURED IN PLACE. STEEL

REINFORCING SHALL BE #5 BARS AT 12" O.C. EACH WAY

TO STOP 1" FROM SIDES AND CABLE OPENINGS.

3. EQUIPMENT SHALL BE SECURED TO PAD IN ACCORDANCE

WITH MANUFACTURERS INSTRUCTIONS.

4. LOCATION & SIZE OF CABLE OPENING SHALL BE AS

REQUIRED FOR CABLE RUN & EQUIPMENT LAYOUT.

5. PAD DIMENSIONS SHALL BE 6" LARGER THAN EQUIPMENT

OUTSIDE DIMENSIONS. COORDINATE WITH EQUIPMENT

MANUFACTURER.

REV DATE DESCRIPTION

PROJ. NO.

DRAWN

CHECKED

DATE

COFFMAN ENGINEERS INC.C

241850

09/04/24

SHEET TITLE:

SHEET NO:

A

B

C

D

A

B

C

D

1 2 3 4 5

2 3 4 5

APHIS

MOORE AIR BASE

BUILDING 6414

ELECTRICAL

UPGRADES

22675 N.

MOOREFIELD RD

EDINBURG, TX 78541

PHASE 1 100% IFC

P:

\S

PO

\24

JO

BS

\24

A

PH

IS

M

AB

E

LE

CT

RI

CA

L U

PG

RA

DE

S\

0.0 D

W

GS

\E \P

H1 _2

0_ E4

.D

W G.

_E

1 :

P

ER

RY

, S

HA

UN

A : L

AS

T

SA

VE

D:

A ug us t 3 0, : P

LO

T

DA

TE

: 9

/3/ www.coffman.com ph 509.328.2994

221 N. Wall Street

Spokane, WA 99201 Suite 500

1. ALL WORK SHALL COMPLY WITH THE CURRENT NEC AS ADOPTED BY THE STATE OF

TEXAS OR LOCAL AUTHORITY HAVING JURISDICTION.

2. PRIOR TO SAW CUTTING OR CORE DRILLING, PROVIDE X-RAY OR SIMILAR LOCATE

TECHNOLOGY TO VERIFY LOCATION OF EXISTING REBAR AND CONDUIT. CONTRACTOR

WILL BE RESPONSIBLE TO REPAIR ANY DAMAGE TO EXISTING UNDERGROUND UTILITIES

CAUSED BY DEMOLITION ACTIVITIES.

3. REFER TO SINGLE LINE E601 FOR ADDITIONAL REQUIREMENTS.

4. REFER TO DUCT BANK DETAIL FOR UNDERGROUND CONDUIT INSTALLATION

REQUIREMENTS AND REPAIR FINISHED SURFACES IN-KIND TO ORIGINAL CONDITION.

5. ELECTRICAL CONDUIT ROUTING SHOWN AS DIAGRAMMATIC. COORDINATE EXACT

ROUTING WITH NEW AND EXISTING UTILITIES. PROVIDE ADDITIONAL HANDHOLES AS

REQUIRED PER NEC 354.

GENERAL NOTESSHEET NOTES

MBV

SLP

ENLARGED SITE PLAN

- EQUIPMENT YARD

E401SCALE:A2 ENLARGED SITE PLAN - EQUIPMENT YARD

1/4" = 1'-0" NORTH

PROJECT PHASING TO INCLUDE COMPLETE INSTALLATION OF

NEW EQUIPMENT INCLUDING MEDIUM VOLTAGE TRANSFORMER, SWITCHBOARD, ATS, AND

ASSOCIATED FEEDERS PRIOR TO DEMOLITION ACTIVITIES. CONTRACTOR SHALL DISCONNECT

EXISTING EQUIPMENT ONLY WHEN NEW EQUIPMENT HAS BEEN VERIFIED AS READY FOR

ENERGIZING AND TRANSITION OF POWER AND BACK-FEEDING ON EXISTING EQUIPMENT SHALL

BE COMPLETED SIMULTANEOUSLY TO MINIMIZE REQUIRED OUTAGES.

ALL OUTAGES SHALL BE COORDINATED WITH THE OWNER A MINIMUM OF 2 WEEKS IN ADVANCE

AND SHALL OCCUR ON SATURDAY MORNINGS. CONTRACTOR SHALL SUBMIT A PHASING PLAN

AND PROJECTED SCHEDULE TO OWNER FOR APPROVAL PRIOR TO COMMENCEMENT OF

CONSTRUCTION ACTIVITIES.

PROJECT PHASING NARRATIVE

SCALE:C1 TYPICAL DUCT BANK DETAIL

NTS

1. REFER TO ONELINE DRAWING E601 FOR CONDUIT SIZE AND QUANTITY.

2. CONTRACTOR TO INSTALL NEW OWNER FURNISHED TRANSFORMER.

3. NEW TRANSFORMER PAD TO BE PROVIDED PER DETAIL DRAWING A1/E-101.

COORDINATE LOCATION WITH EXISTING PRIMARY CONDUITS.

4. PROVIDE NEW NEMA 3R SWITCHBOARD AND EQUIPMENT PAD PER DETAIL.

5. CONNECTION TO BUILDING GROUND RING OR GROUNDING GRID.

6. PROVIDE NEW FEEDER TO EXISTING MAIN SWITCHBOARD FOR BACK-FEEDING OF

EXISTING DISTRIBUTION. ENERGIZE NEW TRANSFORMER AND MSB-1 SIMULTANEOUS

TO BACK-FEED CONNECTION TO MINIMIZE FACILITY DOWN-TIME. FEEDER TO BE

ROUTED ON EXTERIOR OF BUILDING, REFER TO ONE-LINE DRAWING E601 FOR

CONDUIT SIZE AND QUANTITY.

7. PROVIDE STANCHION MOUNTED, NEMA 3R AUTOMATIC TRANSFER SWITCH WITH

MAINTENANCE BYPASS. COORDINATE EXACT LOCATION PRIOR TO INSTALL AND

ENSURE NEC CLEARANCES.

8. PROVIDE NEW NEMA 3R STANCHION MOUNTED JUNCTION ENCLOSURE TO REPLACE

EXISTING ATS. SIZE PER NEC.

9. #3/0 AWG BARE COPPER. BOND TO FRAME HOUSING IN (2) PLACES AND TO TERMINAL.

10. GROUND CONDUCTOR IN DUCT BANK. EXTEND AND BOND TO ATS AND SWITCHBOARD.

10. GROUND CONDUCTOR IN DUCT BANK. EXTEND AND BOND TO ATS AND TRANSFORMER.

SHEET NOTES

SCALE:A1 SWITCHBOARD PAD DETAIL

NTS

MBV

SLP

ENLARGED SITE PLAN

- EQUIPMENT YARD

1 9/4/24 IFB REVIEW

E401

1 1

(E)

PANEL

ED

277/480V

3P,4W

225A MLO

EAA1

120/208V

100A MLO

HN2

277/480V

3P,4W

400A MLO

SEC 2

XFMR EBA

480V:208/120V

45KVA

(E)

(E)

PANEL

EAC

120/208V

AA

277/480V

EC

277/480V

ABD

120/208V

XFMR AB

112.5KVA

(E)

XFMR EAA

480V:208/120V

112.5KVA

(E)

(E)

PANEL

EA

277/480V

ABC

120/208V

EB

277/480V

EBA

120/208V

150A MB

AD

277/480V

ABE

120/208V

150A MB

A1 277/480V

UPS PANEL

ABB

120/240V

1P,3W

EAE

277/480V

EAB

120/208V

ABA

120/208V

EDA

120/208v

60A 3P

(E) 200A 3P

(E) 100A 3P

(E)

(E) PANEL EAA

400A 3P

(E)

100A 3P

(E) 175A 3P

(E) 100A 3P

(E)

(E) PANEL AB

300A 3P

(E)

120/208V, 3P, 4W, 400A

120/208V, 3P, 4W, 400A

100A 3P

(E) 150A 3P

UNKNOWN LOAD

(E) xA [HOA] 3P

(E)

1-A

(E) MAIN SWBD

1600A 3P

(E)

3-A

C.W. PUMP

MARK PV-1

(SPARE)

30A 3P

(E)

1-B

300A 3P

(E)

1-C

200A 3P

(E)

1-D xA [HOA] 3P

(E)

1-E

100A 3P

(E)

1-F

200A 3P

(E)

1-G

200A 3P

(E)

1-H

SECTION 1 277/480V, 3P,4W, 800A SECTION 2 SECTION 3 SECTION 4 277/480V, 3P,4W, 1600A

200A [HOA]

3P

(E)

4-A

100A 3P

SPARE

(E)

4-B

100A 3P

SPARE

(E)

4-C

200A 3P

(E)

4-D

400A 3P

(E)

4-E

400A 3P

SPARE

(E)

4-F

CHILLER

(SPARE)

SECTION 5 277/480V, 3P,4W, 1000A

200A 3P

(E)

5-A

200A 3P

(E)

5-B

200A 3P

(E)

5-C

200A 3P

(E)

5-D

200A 3P

(E)

5-E

CHILLER-1

COMPRESSOR-1

(SPARE)

CHILLER

PUMP-2

(SPARE)

CHILLER

MARK II

CHILLER-2

COMPRESSOR-1

(SPARE)

CHILLER

MARK II

CHILLER-2

COMPRESSOR-2

(SPARE)

(E) 150A ENCLOSED CB

FOR PNL ABE

(E)

PANEL

HN2

277/480V

3P,4W

400A MB

SEC 1

GH PNL

A 120/208V

GH PNL

B 120/208V

XFMR A2

30KVA

(E)

(E)

PANEL

A2 120/208V

150A MLO

XFMR AF

112.5KVA

(E)

(E)

PANEL

AF

120/208V

AF

120/208V

EC2

277/480V

XFMR EDA

112.5KVA

(E)

G

(E) GENERATOR

800 KW

277/480V

1200A/3P

(D) MV XFMR

1500KVA

15KV TO 480/277V

(D) ATS

1200A 4P

NEMA 3R

TO MV SWITCH

(E)

PANEL AE

(SPARE)

(E)

PANEL

AIB

120/208V

3P,4W

60A MLO

(LOCATED IN

GREENHOUSE)

(E) POWER

PROCESSOR

15KVA

(D) 4"C; 3#4/0, 15KV

2(D)

(D)

N G

(E) GND PER NEC

(D)

REV DATE DESCRIPTION

PROJ. NO.

DRAWN

CHECKED

DATE

COFFMAN ENGINEERS INC.C

241850

09/04/24

SHEET TITLE:

SHEET NO:

A

B

C

D

A

B

C

D

1 2 3 4 5

2 3 4 5

APHIS

MOORE AIR BASE

BUILDING 6414

ELECTRICAL

UPGRADES

22675 N.

MOOREFIELD RD

EDINBURG, TX 78541

PHASE 1 100% IFC

P:

\S

PO

\24

JO

BS

\24

A

PH

IS

M

AB

E

LE

CT

RI

CA

L U

PG

RA

DE

S\

0.0 D

W

GS

\E \P

H1 _2

0_

ED

1.D

W G.

_E

D6

: P

ER

RY

, S

HA

UN

A : L

AS

T

SA

VE

D:

A ug us t 2 9, : P

LO

T

DA

TE

: 9

/3/ www.coffman.com ph 509.328.2994

221 N. Wall Street

Spokane, WA 99201 Suite 500

1. ALL WORK SHALL COMPLY WITH THE CURRENT NEC AS ADOPTED BY THE STATE OF

TEXAS OR LOCAL AUTHORITY HAVING JURISDICTION.

2. FOR UNDERGROUND FEEDERS TO BE REMOVED, CONTRACTOR TO REMOVE ALL

CONDUCTORS AND ABANDON CONCEALED CONDUIT IN PLACE. DEMO CONDUIT STUB-UP

BACK TO MINIMUM 6" BELOW GRADE AND PATCH OR REPLACE FINISHED GRADE TO

EXISTING CONDITIONS.

3. REFER TO SINGLE LINE E601 FOR ADDITIONAL REQUIREMENTS.

4. PRIOR TO SAW CUTTING OR CORE DRILLING, PROVIDE X-RAY OR SIMILAR LOCATE

TECHNOLOGY TO VERIFY LOCATION OF EXISTING REBAR AND CONDUIT. CONTRACTOR

WILL BE RESPONSIBLE TO REPAIR ANY DAMAGE TO EXISTING UNDERGROUND UTILITIES

CAUSED BY DEMOLITION ACTIVITIES.

GENERAL NOTES

1. EXISTING TRANSFORMER TO REMAIN ACTIVE DURING CONSTRUCTION. DEMO EXISTING

TRANSFORMER ONLY AFTER NEW WORK IS COMPLETE AND THE NEW TRANSFORMER HAS

BEEN ENERGIZED.

2. DEMO EXISTING CONDUCTORS, EXISTING CONDUIT TO BE RE-USED.

3. EXISTING ATS TO BE REMOVED ONLY AFTER NEW WORK IS COMPLETE, NEW SERVICE

TRANSFORMER HAS BEEN ENERGIZED AND NEW ATS AND RACEWAY ARE COMPLETE.

REPLACE ATS WITH NEMA 3R JUNCTION BOX FOR GENERATOR CONNECTION TO NEW ATS.

4. EXISTING MAIN SWITCHBOARD TO BE BACK-FED FROM NEW EXTERIOR MAIN SERVICE

SWITCHBOARD 'MSB-1'. INSTALL NEW FEEDER PER ONE-LINE E601 BEFORE TRANSFERRING

POWER. ENERGIZE NEW TRANSFORMER AND MSB-1 SIMULTANEOUS TO BACK-FEEDING

EXISTING EQUIPMENT TO MINIMIZE DOWNTIME.

5. REMOVE NEUTRAL BOND. PROVIDE NEW NEUTRAL TO GROUND BOND AS NOTED IN NEW

ATS.

SHEET NOTES-

SCALE:A2 ONE LINE DIAGRAM - DEMOLITION

NTS

MBV

SLP

ONE LINE DIAGRAM -

DEMOLITION

ED601

PROJECT PHASING TO INCLUDE COMPLETE INSTALLATION OF

NEW EQUIPMENT INCLUDING MEDIUM VOLTAGE TRANSFORMER, SWITCHBOARD, ATS, AND

ASSOCIATED FEEDERS PRIOR TO DEMOLITION ACTIVITIES. CONTRACTOR SHALL DISCONNECT

EXISTING EQUIPMENT ONLY WHEN NEW EQUIPMENT HAS BEEN VERIFIED AS READY FOR

ENERGIZING AND TRANSITION OF POWER AND BACK-FEEDING ON EXISTING EQUIPMENT SHALL

BE COMPLETED SIMULTANEOUSLY TO MINIMIZE REQUIRED OUTAGES.

ALL OUTAGES SHALL BE COORDINATED WITH THE OWNER A MINIMUM OF 2 WEEKS IN ADVANCE

AND SHALL OCCUR ON SATURDAY MORNINGS. CONTRACTOR SHALL SUBMIT A PHASING PLAN

AND PROJECTED SCHEDULE TO OWNER FOR APPROVAL PRIOR TO COMMENCEMENT OF

CONSTRUCTION ACTIVITIES.

PROJECT PHASING NARRATIVE

MBV

SLP

ONE LINE DIAGRAM -

DEMOLITION

1 9/4/24 IFB REVIEW

ED601

(N) MSB-1

480/277V, 3P, 4W, 2000A

(N) MV XFMR

1500KVA

15KV TO 480/277V

TO MV SWITCH

12.0N

N G

#3/0 (CU)

2000A

4P GFI

TVSS

(N) 2000A GEN ATS

NEC 702 480Y/277V

4-POLE NEMA 3R

SERVICE ENTRANCE RATED

1"C 3

TO IDF

1"C; CAT 6

30A 3P

SPARE

(FUTURE)

(PNL EAE)

200A 3P

SPARE

(FUTURE)

(PNL EB)

100A 3P

SPARE

(FUTURE)

(PNL EC)

200A 3P

SPARE

(FUTURE)

(PNL EA)

200A 3P

SPARE

(FUTURE)

(PNL ED)

400A 3P

SPARE

(FUTURE)

(PNL HN2)

100A 3P

SPARE

(FUTURE)

(PNL AA)

400A 3P

SPARE

(FUTURE)

(PNL AD)

200A 3P

SPARE

(FUTURE)

(EGC LIGHTS)

200A 3P

SPARE

(FUTURE)

(XFMR AB)

200A 3P

SPARE

(FUTURE)

(PNL A1)

M

TO IDF

1"C; CAT 6

20N

J

20N

G

(E) GENERATOR

800 KW

277/480V

1200A/3P

600A 3P

SPARE

400A 3P

SPARE

150A 3P

SPARE

1600A 3P

16N 9

TO EXISTING MAIN SWBD

(REFER TO ED601)

(E)7

BY

PA

SS

BYPASS

REV DATE DESCRIPTION

PROJ. NO.

DRAWN

CHECKED

DATE

COFFMAN ENGINEERS INC.C

241850

09/04/24

SHEET TITLE:

SHEET NO:

A

B

C

D

A

B

C

D

1 2 3 4 5

2 3 4 5

APHIS

MOORE AIR BASE

BUILDING 6414

ELECTRICAL

UPGRADES

22675 N.

MOOREFIELD RD

EDINBURG, TX 78541

PHASE 1 100% IFC

P:

\S

PO

\24

JO

BS

\24

A

PH

IS

M

AB

E

LE

CT

RI

CA

L U

PG

RA

DE

S\

0.0 D

W

GS

\E \P

H1 _2

0_ E6

.D

W G.

_E

1 :

P

ER

RY

, S

HA

UN

A : L

AS

T

SA

VE

D:

A ug us t 2 9, : P

LO

T

DA

TE

: 9

/3/ www.coffman.com ph 509.328.2994

221 N. Wall Street

Spokane, WA 99201 Suite 500

1. ALL WORK SHALL COMPLY WITH THE CURRENT NEC AS ADOPTED BY THE STATE OF

TEXAS OR LOCAL AUTHORITY HAVING JURISDICTION.

2. PROVIDE COPPER CONDUCTORS ONLY PER OWNER SPECIFICATIONS.

3. PRIOR TO SAW CUTTING OR CORE DRILLING, PROVIDE X-RAY OR SIMILAR LOCATE

TECHNOLOGY TO VERIFY LOCATION OF EXISTING REBAR AND CONDUIT. CONTRACTOR

WILL BE RESPONSIBLE TO REPAIR ANY DAMAGE TO EXISTING UNDERGROUND UTILITIES

CAUSED BY DEMOLITION ACTIVITIES.

GENERAL NOTES

1. PROVIDE INTEGRAL THREE PHASE POWER AND ENERGY SOURCE METERING

2. PROVIDE STANCHION MOUNTED, NEMA 3R AUTOMATIC TRANSFER SWITCH WITH

MAINTENANCE BYPASS. COORDINATE EXACT LOCATION PRIOR TO INSTALL AND ENSURE

NEC CLEARANCES.

3. PROVIDE GENERATOR COMMUNICATIONS AND CONTROL CABLING PER GENERATOR

MANUFACTURER SPECIFICATIONS FOR GENERATOR START SIGNAL AND ATS TRANSFER.

4. PROVIDE CAT 6 CABLE TO NEAREST IDF CABINET FOR EQUIPMENT NETWORK CONNECTION.

5. SERVICE ENTRANCE RATED MAIN BREAKER. PROVIDE PRIMARY DISCONNECT LABELING PER

NEC. PROVIDE ARC ENERGY REDUCTION TO MEET NEC 240.87. MAIN SERVICE DISCONNECT

CAN BE PROVIDED SEPARATELY AHEAD OF THE ATS AND REMOVING THE NEED FOR THE

ATS BREAKER.

6. PROVIDE NEW 3#4/0, 15KV CONDUCTORS IN EXISTING 4" CONDUIT TO SWITCH.

7. PROVIDE NEW FEEDER CONDUCTORS FROM ATS TO GENERATOR AS NOTED. UTILIZE

EXISTING CONDUITS FROM ORIGINAL ATS.

8. PROVIDE NEW NEMA 3R STANCHION MOUNTED JUNCTION ENCLOSURE TO REPLACE

EXISTING ATS. SIZE PER NEC.

9. PROVIDE NEW FEEDER TO EXISTING MAIN SWITCHBOARD FOR BACK-FEEDING OF EXISTING

DISTRIBUTION. ENERGIZE NEW TRANSFORMER AND MSB-1 SIMULTANEOUS TO BACK-FEED

CONNECTION TO MINIMIZE FACILITY DOWN-TIME.

10. CONTRACTOR TO INSTALL NEW OWNER FURNISHED TRANSFORMER.

11. PROVIDE ARC ENERGY REDUCTION TO MEET NEC 240.87.

SHEET NOTES-

SCALE:A2 ONE-LINE DIAGRAM

NTS

MBV

SLP

ONE-LINE DIAGRAM

E601

COPPER FEEDER SCHEDULE

AMPACITY

(AMPS)

SYMBOL ID. WIRE (3-PHASE) WITH NEUTRAL CONDUIT SYMBOL

ID. WIRE (3-PHASE) WITHOUT NEUTRAL CONDUIT

20 0.2N 4#12, 1#12G (1) 3/4" 0.2 3#12, 1#12G (1) 3/4" 30 0.3N 4#10, 1#10G (1) 3/4" 0.3 3#10, 1#10G (1) 3/4" 40 0.4N 4#8, 1#10G (1) 1" 0.4 3#8, 1#10G (1) 1" 50 0.5N 4#6, 1#10G (1) 1" 0.5 3#6, 1#10G (1) 1" 60 0.6N 4#4, 1#10G (1) 1 1/2" 0.6 3#4, 1#10G (1) 1" 70 0.7N 4#4, 1#8G (1) 1 1/2" 0.7 3#4, 1#8G (1) 1" 80 0.8N 4#3, 1#8G (1) 1 1/2" 0.8 3#3, 1#8G (1) 1 1/2" 90 0.9N 4#2, #8G (1) 1 1/2" 0.9 3#2, #8G (1) 1 1/2"

100 1.0N 4#1, 1#8G (1) 1 1/2" 1.0 3#1, 1#8G (1) 1 1/2" 125 1.25N 4#1, 1#6G (1) 1 1/2" 1.25 3#1, 1#6G (1) 1 1/2" 150 1.5N 4#1/0, 1#6G (1) 2" 1.5 3#1/0, 1#6G (1) 1 1/2" 175 1.75N 4#2/0, 1#6G (1) 2" 1.75 3#2/0, 1#6G (1) 1 1/2" 200 2.0N 4#3/0, 1#6G (1) 2" 2.0 3#3/0, 1#6G (1) 2" 225 2.25N 4#4/0, 1#4G (1) 2 1/2" 2.25 3#4/0, 1#4G (1) 2"

250 2.5N 4#250KCM, 1#4G (1) 2 1/2" 2.5 3#250KCM, 1#4G (1) 2 1/2"

300 3.0N 4#350KCM, 1#4G (1) 3" 3.0 3#350KCM, 1#4G (1) 2 1/2"

350 3.5N 4#500KCM, 1#3G (1) 3 1/2" 3.5 3#500KCM, 1#3G (1) 3"

400 4.0N 4#600KCM, 1#3G (1) 4" 4.0 3#600KCM, 1#3G (1) 4"

450 4.5N 2 SETS 4#4/0, 1#2G (2) 2 1/2" 4.5 2 SETS 3#4/0, 1#2G (2) 2"

500 5.0N 2 SETS 4#250KCM, 1#2G (2) 3" 5.0 2 SETS 3#250KCM, 1#2G (2) 2 1/2"

600 6.0N 2 SETS 4#350KCM, 1#1G (2) 3" 6.0 2 SETS 3#350KCM, 1#1G (2) 2 1/2"

700 7.0N 2 SETS 4#500KCM, 1#1/0G (2) 3 1/2" 7.0 2 SETS 3#500KCM, 1#1/0G (2) 3"

800 8.0N 2 SETS 4#600KCM, 1#1/0G (2) 4" 8.0 2 SETS 3#600KCM, 1#1/0G (2) 4"

1000 10N 3 SETS 4#400KCM, 1#2/0G (3) 3" 10 3 SETS 3#400KCM, 1#2/0G (3) 3"

1200 12N 4 SETS 4#350KCM, 1#3/0G (4) 3 1/2" 12 4 SETS 3#350KCM, 1#3/0G (4) 2 1/2"

1600 16N 4 SETS 4#600KCM, 1#4/0G (4) 4" 16 4 SETS 3#600KCM, 1#4/0G (4) 4"

2000 20N 5 SETS 4#600KCM, 1#250KCM G (5) 4" 20 5 SETS 3#600KCM, 1#250KCM G (5) 4"

SPECIAL Notes:

Based on Copper conductors with XHHW (#8 & Larger) or THHN (#10 & #12) insulation. Reference 2017 NEC tables 310.15(B)(16) and 250.122.

*Equipment bonding jumper sized per NEC 250.102

AMPACITY

(AMPS)

SYMBOL ID. WIRE(1-Phase)WITH NEUTRAL CONDUIT

PROJECT PHASING TO INCLUDE COMPLETE INSTALLATION OF

NEW EQUIPMENT INCLUDING MEDIUM VOLTAGE TRANSFORMER, SWITCHBOARD, ATS, AND

ASSOCIATED FEEDERS PRIOR TO DEMOLITION ACTIVITIES. CONTRACTOR SHALL DISCONNECT

EXISTING EQUIPMENT ONLY WHEN NEW EQUIPMENT HAS BEEN VERIFIED AS READY FOR

ENERGIZING AND TRANSITION OF POWER AND BACK-FEEDING ON EXISTING EQUIPMENT SHALL

BE COMPLETED SIMULTANEOUSLY TO MINIMIZE REQUIRED OUTAGES.

ALL OUTAGES SHALL BE COORDINATED WITH THE OWNER A MINIMUM OF 2 WEEKS IN ADVANCE

AND SHALL OCCUR ON SATURDAY MORNINGS. CONTRACTOR SHALL SUBMIT A PHASING PLAN

AND PROJECTED SCHEDULE TO OWNER FOR APPROVAL PRIOR TO COMMENCEMENT OF

CONSTRUCTION ACTIVITIES.

PROJECT PHASING NARRATIVE

MBV

SLP

ONE-LINE DIAGRAM

1 9/4/24 IFB REVIEW

E601