02_23_24 Construction Documents.pdf

PROJECT CONSULTANTS

INDEX OF

DRAWINGS

TITLESHEET NO.

316 CORPORATE PARKWAY MACON, GEORGIA

NBP ENGINEERS, INC.

CONSULTANTS

CCGA PROJECT No. 2412

E00

E01

E02

COLLEGE OF COASTAL GEORGIA

Brunswick, Georgia

LEGEND - ELECTRICAL

LARGE SCALE PLAN - NEW WORK - ELECTRICAL

MAIN CAMPUS - CENTRAL ENERGY PLANT

ELECTRICAL GEAR REPLACEMENT

02.23.24 CONSTRUCTION DOCUMENTS

CENTRAL ENERGY PLANT - RISER & PANEL SCHEDULES

P:\23083\23083e00.dgn

DATE PLOTTED

DGN FILE

22-FEB-2024

SEAL

SCALE:

FILE PATH:

SHEET NUMBER:

316 CORPORATE PARKWAY

NBP Engineers, Inc.

MACON, GEORGIA 31210

NBP

ENGINEERS

478-745-1691 www.nbpengineers.com

No. REVISIONS/SUBMISSIONS DATE

DRAWN:

CHECKED:

DESIGNED:

DATE:

PROJECT NUMBER:

P R

O J E

C T

T

IT

L E

SHEET TITLE:

CONSULTANTS

THIS DRAWING IS THE PROPERTY OF THE

ENGINEER AND MAY NOT BE REPRODUCED

OR USED IN WHOLE OR IN PART

WITHOUT HIS WRITTEN PERMISSION. IT IS

TO BE USED FOR THE PROJECT

SPECIFICALLY IDENTIFIED HEREIN AND TO

BE RETURNED UPON REQUEST.

P:\23083\23083e00.dgn

AS SHOWN

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02.23.24

P ro je c t

N o

C

C G

A

M a in C a m p u s C e n tr a l E n e rg y P la n t E le c tr ic a l G e a r

R e p la c e m e n t

C O

N S T

R U

C T

IO

N

D

C U

M E

N T S

E00

CT

TRACK LIGHTS: QUANTITY OF HEADS AS SHOWN EMERGENCY BATTERY PACK-CEILING

EMERGENCY BATTERY PACK-WALL

PANELBOARD-250 VAC OR LESS

SURFACE MOUNTED

PANELBOARD-250 VAC OR LESS

RECESSED

PANELBOARD-OVER 250 VAC

SURFACE MOUNTED

PANELBOARD-OVER 250 VAC

RECESSED

CABLE TRAY

BACKBOARD

CONNECTION TO EQUIPMENT

CAP

CONDUIT DOWN

CONDUIT UP

J

F

BT

C

C

BR

SLAB OR BELOW GRADE

GROUNDING CONDUCTOR- UNDER

U

SP

DP

PE

M

ICM

S

V

S

IC

MM

MC

GG

G

LIGHTING FIXTURES (SYMBOLS VARY BASED ON FIXTURES TYPE)

LIGHTING CONTROL

RECEPTACLES

CIRCUITS

GENERAL EQUIPMENT

FIRE PROTECTION EQUIPMENT

COMMUNICATIONS

LIGHTNING PROTECTION AND GROUNDING

T

JJ

I

UI

I

ELECTRICAL LEGEND

TV

C

G

B

K

LED ON "NORMAL" POWER

CEILING MOUNTED FIXTURE

WALL MOUNTED FIXTURE

EXIT LIGHT (ARROWS AS SHOWN)

LIFE SAFETY EGRESS FIXTURE

CEILING MOUNTED ULTRASONIC OCCUPANCY

SENSOR AND RELAY

CEILING/WALL MOUNTED INFRARED OCCUPANCY

SENSOR AND RELAY

CEILING MOUNTED COMBINATION INFRARED/

ULTRASONIC OCCUPANCY SENSOR AND RELAY -

SWITCHING PHOTOCELL (INTERIOR TYPE) F.C. NOTED

DIMMING PHOTOCELL (INTERIOR TYPE)

EXTERIOR TYPE PHOTO SWITCH

LOW VOLTAGE OVERRIDE SWITCH

INFRARED OCCUPANCY SENSOR

WALL MOUNTED SWITCH

"P" INDICATES PILOT LIGHT

KEYED SWITCH

DIMMER SWITCH

FOUR WAY SWITCH

THREE WAY SWITCH

SINGLE POLE SWITCH

DUPLEX RECEPTACLE - NORMAL

QUAD - NORMAL

GFCI DUPLEX RECEPTACLE - NORMAL

GFCI QUAD - NORMAL

FLOOR DUPLEX RECEPTACLE - NORMAL

FLOOR QUAD - NORMAL

CEILING DUPLEX RECEPTACLE - NORMAL CLOCK OUTLET

WALL/CEILING RACEWAY

CEILING SPECIAL - TYPE NOTED OR SHOWN

SPECIAL - TYPE NOTED OR SHOWN

HORIZONTALLY MOUNTED DUPLEX RECEPTACLE

WEATHER PROOF RECEPTACLE (GFCI)

ELECTRIC WATER COOLER RECEPTACLE(GFCI)

CONDUIT CONCEALED IN CEILING OR WALL

CONDUIT IN GROUND, SLAB, OR UNDER FLOOR

FLEXIBLE RACEWAY

RACEWAY EXPOSED

TRANSFORMER

FRAME AMPS/POLES/NEMA TYPE

FUSE PER MANUFACTURERS RECOMMENDATIONS

ENCLOSED BREAKER-RECESSED IN WALL

ENCLOSED CIRCUIT BREAKER

EMERGENCY PUSHBUTTON

COMBINATION STARTER AND DISCONNECT

EXHAUST FAN

MANUAL STARTER AND MOTOR RATED SWITCH

MOTOR

JUNCTION BOX - WALL/CEILING/FLOOR

SURGE SUPPRESSOR

VOICE OUTLET, QUANTITY OF JACKS AS NOTED

DATA OUTLET, QUANTITY OF JACKS AS NOTED

COMBINATION VOICE/DATA OUTLET, QUANTITY OF

VOICE/DATA JACKS AS NOTED

FLOOR VOICE OUTLET, QUANTITY OF JACKS

AS NOTED

FLOOR DATA OUTLET, QUANTITY OF JACKS

AS NOTED

FLOOR COMBINATION VOICE/DATA OUTLET,

QUANTITY OF JACKS AS NOTED

MASTER CLOCK

INTERCOM MASTER STATION

INTERCOM CALL-IN STATION

WALL MOUNTED VOLUME CONTROL

BOX, STUB-UP, AND MODULAR PLATE W/ BLANKS

TELEVISION OUTLET

SPEAKER: CEILING/WALL

MICROPHONE: FLOOR/WALL

FIBER OUTLET

GROUND ROD - C IF CHEMICAL

GROUND CONNECTION (SCHEMATIC)

CONCEALED IN ROOF OR WALLS

GROUNDING CONDUCTOR-

GROUNDING CONDUCTOR- EXPOSED

AIR TERMINAL

GROUNDING PLATE

FACP

FAA

WF

VS

DH

SMOKE DETECTOR/SENSOR - BEAM RECEIVER

SMOKE DETECTOR/SENSOR - BEAM TRANSMITTER

SPEAKER/VISUAL ALARM: CEILING/WALL

VISUAL ALARM: CEILING/WALL

AUDIO/VISUAL ALARM: CEILING/WALL

MANUAL PULL STATION

FIRE ALARM ANNUNCIATOR

FIRE ALARM PANEL

DUCT MOUNTED SMOKE DETECTOR

SMOKE DETECTOR: CEILING / WALL

HEAT DETECTOR: CEILING / WALL

WATER FLOW SWITCH

WATER TAMPER SWITCH

DOOR HOLDER

FIREMAN'S PHONE OUTLET

EWC

WP

H

D

P

I

L

TWO ZONE LOW VOLTAGE SWITCHL2

VACANCY AUTO SHUT OFF

FOUR ZONE LOW VOLTAGE SWITCHL4

DUPLEX RECEPTACLE WITH INTEGRAL USBUSB

TV DUPLEX RECEPTACLETV

AC

ABOVE COUNTER DUPLEX RECEPTACLE (COORDINATE

HEIGHT WITH ARCHITECT)

J-HOOK

SECURITY

C CARD READER

P DOOR POSITION SENSOR

SECURITY CAMERA: CEILING/WALL MOUNTED

ES ELECTRIC STRIKE

C

CABLE TRAY

DUPLEX RECEPTACLE MOUNTED IN RACEWAYR

R DATA OUTLET MOUNTED IN RACEWAY

DUPLEX RECEPTACLE - TAMPER PROOFT

DUPLEX RECEPTACLE - GENERATOR CIRCUIT, RED IN COLOR

QUAD - GENERATOR CIRCUIT, RED IN COLOR

SINGLE ZONE LOW VOLTAGE SWITCHL1

HOMERUN - ONE ARROW PER CIRCUIT

DISCONNECT SWITCH: "F" IF FUSED

F

ELECTRICAL

LEGEND -

HSBLE

F A

P

E L

E C

MCC #3

T E

L

M C

C

MSG

S

POWER PANEL

EXISTING PULSED

M C

C

AIR COMPRESSOR

CHILLER#2

EXISTING

CP-1

EXISTING

CHILLER#1

EXISTING

CHILLER#3

EXISTING

FINAL CONNECTIONS.

FEED BACK TO NEW CIRCUIT BREAKER IN NEW PANEL HCEP. MAKE ALL

WHICH IS BEING REMOVED AS PART OF THIS SCOPE. RECONNECT THIS

IS FED FROM A CIRCUIT BREAKER IN MOTOR CONTROL CENTER MCC-1

EXISTING 480 VOLT POWER TO BOILER FEED PUMPS IN THIS AREA

IN NEW PANEL HCEP. MAKE ALL FINAL CONNECTIONS.

25 HP FAN. RECONNECT EXISTING VFD FROM NEW CIRCUIT BREAKER

THIS IS THE EXISTING VFD FOR COOLING TOWER FAN CT-1. THIS IS A

PANEL HCEP. MAKE ALL FINAL CONNECTIONS.

SCOPE. RECONNECT THIS FEED BACK TO NEW CIRCUIT BREAKER IN

CONTROL CENTER MCC-1 WHICH IS BEING REMOVED AS PART OF THIS

AIR COMPRESSOR IS SERVED FROM A CIRCUIT BREAKER IN MOTOR

EXISTING 480 VOLT AIR COMPRESSOR IS A DUPLEX 5 HP UNIT. THIS

LIGHTING CIRCUITS AND EXTEND AS REQUIRED.

EQUALLY SPACE LIGHTS AS REQUIRED FOR FULL COVERAGE. REUSE EXISTING

FOR THESE TO BE INDIVIDUALLY MOUNTED SO COVER SERVICE AREAS.

SUPPORTS FOR THE NEW LIGHTS. THE INTENT FOR THE NEW LIGHTS ARE

ALL OF THE EXISTING LIGHT FIXTURE SUPPORTS AND INSTALL ALL NEW

BASIS OF DESIGN IS ACUITY CLX-L48-7000LM-SEF-WDL-MVOLT-40K. REMOVE

AND PROVIDE A QUANTITY OF 40 TOTAL 4 FOOT LED STRIP LIGHT FIXTURES.

CONTRACTOR SHALL DEMO ALL OF THE EXISTING FLUORESCENT LIGHTING

PROVIDE ALL NEW LED LIGHT FIXTURES FOR THE CENTRAL ENERGY PLANT.

SCHEDULE OF NEW CIRCUIT BREAKER. MAKE ALL FINAL CONNECTIONS.

ADJACENT TO PUMP CP-1 ON A UNISTRUT FRAME. SEE PANEL HCEP

AS PART OF THIS SCOPE. PROVIDE A NEW COMBINATION STARTER

LOCATED IN MOTOR CONTROL CENTER MCC-1 WHICH IS BEING REMOVED

EXISTING 480 VOLT, 20 HP PUMP CP-1 IS SERVED FROM A STARTER

P:\23083\23083e01.dgn

DATE PLOTTED

DGN FILE

22-FEB-2024

SEAL

SCALE:

FILE PATH:

SHEET NUMBER:

316 CORPORATE PARKWAY

NBP Engineers, Inc.

MACON, GEORGIA 31210

NBP

ENGINEERS

478-745-1691 www.nbpengineers.com

No. REVISIONS/SUBMISSIONS DATE

DRAWN:

CHECKED:

DESIGNED:

DATE:

PROJECT NUMBER:

P R

O J E

C T

T

IT

L E

SHEET TITLE:

CONSULTANTS

THIS DRAWING IS THE PROPERTY OF THE

ENGINEER AND MAY NOT BE REPRODUCED

OR USED IN WHOLE OR IN PART

WITHOUT HIS WRITTEN PERMISSION. IT IS

TO BE USED FOR THE PROJECT

SPECIFICALLY IDENTIFIED HEREIN AND TO

BE RETURNED UPON REQUEST.

P:\23083\23083e01.dgn

AS SHOWN

23083

C o ll e g e o f C o a s ta l G e o rg ia

B ru n s w ic k

G e o rg ia

TWT

BCO

TWT

02.23.24

P ro je c t

N o

C

C G

A

M a in C a m p u s C e n tr a l E n e rg y P la n t E le c tr ic a l G e a r

R e p la c e m e n t

N S T

R U

C T

C U

M E

N T S

SECURITY OFFICE

CHILLER ROOM

BOILER ROOM

TLT

TLT

CONTROL ROOM

LINK FENCE

EXISTING CHAIN

LINK FENCE

EXISTING CHAIN

LINK FENCE

EXISTING CHAIN

SCALE:

= 1'-0

4 0 2 4 8

E01

N

ELECTRICAL

NEW WORK -

LARGE SCALE PLAN - LARGE SCALE PLAN - NEW WORK - ELECTRICAL

T-1

SB

NOTES:(THIS SHEET ONLY)

VFD

CT-2

3 PHASE, 4 WIRE.

VOLTAGE IS 12,470 VOLTS. SECONDARY IS 480Y/277 VOLTS,

EXISTING 2000 KVA PADMOUNT TRANSFORMER. PRIMARY

REPLACED IN PLACE.

EXISTING 3000 AMP BUSS DUCT TAP BOX SHALL BE

2 OF 2.

REMAIN IN PLACE. MAIN SHALL BE LABELED AS SERVICE

TRANSFORMER TO EXISTING SERVICE PANEL SB SHALL

EXISTING SERVICE ENTRANCE FROM THE PADMOUNT

AND RECONNECT, EXTENDING AS REQUIRED.

CIRCUIT CONDUCTORS SERVING THE BOILER. DISCONNECT

ORDER TO BE ABLE TO REUSE THE EXISTING BRANCH

BOILER TO BE ON THIS END OF THE GEAR LINEUP IN

INTENT IS FOR THE NEW GEAR SECTION SERVING THE

AND BREAKER TO BE PROVIDED FOR THE BOILER. THE

WHICH SHOWS NEW REQUIRED SWITCHBOARD SECTION

ELECTRIC BOILER SHALL BE REMOVED. SEE NEW RISER

SWITCHBOARD SECTION THAT CURRENTLY SERVES THE

EXISTING 2000 AMP, 480 VOLT, 3 PHASE SQUARE D QED 6

CIRCUIT BREAKERS ARE SPARES AND NOT IN USE.

SERVING CHILLER #1. THE REMAINDER OF THE EXISTING

CENTER MCC-2, 400A/3P SERVING PANEL HCEP, AND 700A/3P

CONTROL CENTER MCC-1, 225A/3P SERVING MOTOR CONTROL

A TWO SPEED EXHAUST FAN, 400A/3P SERVING MOTOR

ARE AS FOLLOWS: 3000A MAIN BREAKER, 20A/3P SERVING

THE ONLY ACTIVE CIRCUIT BREAKERS IN THIS GEAR LINEUP

GEAR SERVE LOADS THAT ARE NO LONGER IN SERVICE.

SEVERAL OF THE EXISTING CIRCUIT BREAKERS IN THIS

PLACE. SEE NEW PROPOSED SWITCHBOARD LAYOUT.

SQUARE D SWITCHBOARD SA SHALL BE REPLACED IN

EXISTING 3000 AMP, 480 VOLT, 3 PHASE, TWO SECTION 7

8 EXISTING MOTOR CONTROL CENTER MCC-2 TO REMAIN IN PLACE.

ENTRANCE CONDUCTORS TO NEW TAP BOX.

RISER CONDUITS MAY BE REUSED. CONNECT NEW SERVICE

TO THE NEW TAP BOX. EXISTING UNDERGROUND AND EXPOSED

SHALL BE REPLACED WITH NEW FROM THE TRANSFORMER

COPPER) FROM THE EXISTING PADMOUNT TRANSFORMER

EXISTING SERVICE CONDUCTORS (8 SETS OF 4#500 KCMIL

SAME SIZE AND RATING.

BE REPLACED IN PLACE WITH A NEW BUSS DUCT OF THE

EXISTING 3000 AMP, 480 VOLT, 3 PHASE BUSS DUCT SHALL

225 AMP PANELBOARD HCEP.

CENTER MCC-1 SHALL BE REMOVED. PROVIDE NEW 480Y/277 VOLT,

EXISTING 480 VOLT, 3 PHASE, 400 AMP RATED MOTOR CONTROL

CT-2

CT-1

NEW

SF-3

B L

R 1B

E X

IS

T

IN

G

BLR-1A

EXISTING

BLR-1C

EXISTING

B L

R 1D

E X

IS

T

IN

G

ELECTRIC

BOILER

P:\23083\23083e02.dgn

DATE PLOTTED

DGN FILE

22-FEB-2024

SEAL

SCALE:

FILE PATH:

SHEET NUMBER:

316 CORPORATE PARKWAY

NBP Engineers, Inc.

MACON, GEORGIA 31210

NBP

ENGINEERS

478-745-1691 www.nbpengineers.com

No. REVISIONS/SUBMISSIONS DATE

DRAWN:

CHECKED:

DESIGNED:

DATE:

PROJECT NUMBER:

P R

O J E

C T

T

IT

L E

SHEET TITLE:

CONSULTANTS

THIS DRAWING IS THE PROPERTY OF THE

ENGINEER AND MAY NOT BE REPRODUCED

OR USED IN WHOLE OR IN PART

WITHOUT HIS WRITTEN PERMISSION. IT IS

TO BE USED FOR THE PROJECT

SPECIFICALLY IDENTIFIED HEREIN AND TO

BE RETURNED UPON REQUEST.

P:\23083\23083e02.dgn

AS SHOWN

23083

C o ll e g e o f C o a s ta l G e o rg ia

B ru n s w ic k

G e o rg ia

TWT

BCO

TWT

02.23.24

P ro je c t

N o

C

C G

A

M a in C a m p u s C e n tr a l E n e rg y P la n t E le c tr ic a l G e a r

R e p la c e m e n t

N S T

R U

C T

C U

M E

N T S

P O

L E

P O

L E

P O

L E

P O

L E

P O

L E

P O

L E

P O

L E

P O

L E

P O

L E

P O

L E

P O

L E

P O

L E

P O

L E

P O

L E

P O

L E

P O

L E

CKT

SWITCHBOARD SA

THIS EXISTING GEAR IS IN TWO SECTIONS. THERE IS ALSO A BUS TAP ON THE LINE SIDE OF THE MAIN TO SERVE THE ELECTRIC BOILER BREAKER AT 2000 AMPS.

NOTES

Minimum KAIC:

CKT

TRIP

WIRE

CD.

MULTISECTION CONN AMPS

MULTISECTION CONN V A

PANEL SECTION CONN AMPS

PANEL SECTION CONN V A

SPARE

SPARE

SPARE

SERVES

WIRE

PH,

AMPS

VOLT-

EXISTING

A

PHASE LOAD V.A.

B

FED BY

C

SERVICE ENTRANCE BUSS DUCT

LOCATION:

AMPS

VOLT-

CENTRAL PLANT

CHILLER

PANEL HCEP

MCC-2

MCC-1

SPARE

2 SPEED EX FAN

SERVES CD.

FLOOR

MAIN

WIRE

TRIP

MOUNTED

AMPS

GEAR SECTION 3 - DISTRIBUTION

GEAR SECTION 2 - 3000A/3P MAIN BREAKER

GEAR SECTION 1 - 2000A/3P BREAKER FOR BOILER

NOTES

Minimum KAIC:

CKT

TRIP

WIRE

CD.

MULTISECTION CONN AMPS

MULTISECTION CONN V A

PANEL SECTION CONN AMPS

PANEL SECTION CONN V A

SPACE

SPACE

SPACE

SPACE

SPARE

SPARE

ELEC BOILER

SERVES

WIRE

PH,

AMPS

VOLT-

NEW

LOCATION:

23620

23620

23620

AMPS

VOLT-

CENTRAL PLANT

NEW SPD

CHILLER

PANEL HCEP

MCC-2

NEW PANEL HCEP2

SPARE

2 SPEED EX FAN

SERVES

2-1/2"

CD.

FLOOR

MAIN

1#4G

4#4/0

WIRE

TRIP

MOUNTED

AMPS

CKT

SWITCHBOARD SA

ALL EXISTING TO REMAIN LOADS SHALL BE REFED FROM NEW PANEL HCEP2. THESE INCLUDE CT-1, AIR COMPRESSOR, CP-1, AND BOILER #1 PUMPS.

PROVIDE STAND ALONE COMBINATION STARTERS FOR PUMPS CP-1 AND BOILER #1. CONTRACTOR VERIFY STARTER SIZE REQUIRED PRIOR TO BIDDING.

THIS EXISTING MOTOR CONTROL CENTER SHALL BE DEMOLISHED AS PART OF THIS PROJECT.

NOTES

MCC MIN. 50 KAIC

BUS MIN. 50 KAIC

XXX

1F

1E

1D

1C

1B

1A

CKT SIZE

NEMA

X

WIRE

XX

CD.

MULTISECTION CONN AMPS

MULTISECTION CONN V A

PANEL SECTION CONN AMPS

PANEL SECTION CONN V A

XXX

SPARE

CP-1

AIR COMPRESSOR

SPARE

SPARE

CT-1 VFD

SERVES

WIRE

PH,

AMPS

VOLT-

EXISTING

A

PHASE LOAD V.A.

B

FED BY

C

EXISTING SWITCHBOARD SA

AMPS

VOLT-

XXX

SPACE

SPARE

SPARE

SPARE

BOILER #1 PUMPS

SPARE

SERVES

MLO

XX

CD.

FREESTANDING

XX

WIRE

XX

SIZE

NEMA

AMPS

X

X

X

X

2F

2E

2D

2C

2B

2A

CKT

MCC-1

X

X

X

TRIP

AMPS

VOLT-

NEW

AMPS

VOLT-

CENTRAL PLANT

SPACE

SPARE

SPARE

SPARE

SPARE

SPARE

SPARE

SERVES CD.

SURFACE

MLO

WIRE

TRIP

MOUNTED

AMPS

CKT

PANEL HCEP2

23620

23620

23620

A

PHASE LOAD V.A.

23620

23620

23620

B

FED BY

23620

23620

23620

C

SERVICE ENTRANCE BUSS DUCT

INTENT IS TO PROVIDE CIRCUIT BREAKER SIZES TO MATCH THE SIZE OF THE EXISTING BREAKER OR FUSES.

CONTRACTOR SHALL VERIFY REQUIRED BREAKER SIZES FOR THE AIR COMPRESSOR, PUMP CP-1, AND BOILER #1 PUMPS PRIOR TO BIDDING.

NOTES

Minimum KAIC:

CKT

4#10

1#8G

3#4

4#10

1#8G

3#4

WIRE

3/4"

1-1/4"

3/4"

1-1/4"

CD.

MULTISECTION CONN AMPS

MULTISECTION CONN V A

PANEL SECTION CONN AMPS

PANEL SECTION CONN V A

SPACE

SPACE

SPACE

4 X 1 HP

BOILER #1 PUMPS

20 HP

CP-1

2 X 5 HP

AIR COMPRESSOR

CT-1 VFD

SERVES

WIRE

PH,

23620

23620

A

PHASE LOAD V.A.

23620

23620

B

FED BY

23620

23620

C

SWITCHBOARD SA

E02

SWITCHBOARD SA

INTERIOREXTERIOR

SWITCHBOARD SA

MCC-1

400A, 480V, 3 PHASE

REMOVE EXISTING

TO REMAIN

MCC-2

EXISTING

OF MAIN

AHEAD

BUS TAP

480Y/277V

PADMOUNT TRANSFORMER

EXISTING

PARTIAL POWER RISER DIAGRAM - EXISTING

NOT TO SCALE

SWITCHBOARD SA

INTERIOREXTERIOR

SWITCHBOARD SA

TO REMAIN

MCC-2

EXISTING

PANEL SB

1200A

EXISTING

480Y/277V

PADMOUNT TRANSFORMER

EXISTING

NOT TO SCALE

PARTIAL POWER RISER DIAGRAM - NEW

MAIN

3000A

MAIN

3000A

BOILER

FOR ELEC

BREAKER

2000A

SECTION

DIST.

SWITCHBOARD SA

SERVICE ENTRANCE

480Y/277V, 3 PHASE

NEW 3000 AMP,

REQUIRED

BOILER - EXTEND AS

TO EXISTING ELECTRIC

FEEDER CONDUCTORS

RECONNECT EXISTING

EXTEND AS REQUIRED.

NEW FEEDER BREAKERS.

FEEDER CONDUCTORS TO

RECONNECT ALL EXISTING SWITCHBOARD SA.

BREAKER IN NEW

1#4G TO NEW 225A/3P

NEW 4#4/0 AWG COPPER,

BE REUSED. PROVIDE

EXISTING CONDUIT CAN

225A

PANEL HCEP2

480Y/277V

NEW

TO REMAIN

PANEL SB

1200A

EXISTING

BOILER BREAKER

2000A ELEC

REMOVE EXISTING

SWITCHBOARD SA

EXISTING 3000A 480V

REMOVE

REMOVE EXISTING 3000A, 480V, 3 PHASE, 4 WIRE BUSS DUCT

TAP BOX

BUSS SVC.

EXISTING

REMOVE

TO BUSS DUCT

ENTRANCE CONDUCTORS

TRANSITION SERVICE

RATED TAP BOX TO

PROVIDE NEW EXTERIOR

CONDUITS

COPPER IN EXISTING

8 SETS OF 4#500 KCMIL

ENTRANCE CONDUCTORS -

PROVIDE NEW SERVICE

GROUNDED NEUTRAL

DUCT WITH FULL SIZE

480 VOLT, 3 PHASE BUSS

PROVIDE NEW 3000 AMP,

PANEL SCHEDULES

PLANT - RISER &

CENTRAL ENERGY