25-0431 AS4300 G575 INSTALL GENERATOR ATS - SOW.pdf

VICINITY MAP G575

AREA MAP G575

LOCATION MAP G575

MCB CAMP LEJEUNE, NORTH CAROLINA

25-0431 INSTALL GENERATOR & ATS

25-0431 T1

BLDG

G575

SHEET # SHEET NAME

T2 G1 E1 E2

TITLE SHEET/AREA MAPS BLDG AS4300

GENERAL NOTES

ELECTRICAL PLANS/OVERVIEW BLDG G575

ELECTRICAL PLANS/DETAILS BLDG G575

DRAWING INDEX

T1 TITLE SHEET/AREA MAPS BLDG G575

E3 E4

PROPOSED WORK AREA AS4300

ELECTRICAL PLANS/OVERVIEW BLDG AS4300

E5 ELECTRICAL PLANS/DETAILS BLDG AS4300

VICINITY MAP AS4300 AREA MAP AS4300

LOCATION MAP AS4300

MCB CAMP LEJEUNE, NORTH CAROLINA

25-0431 INSTALL GENERATOR & ATS

25-0431 T2

BLDG

AS4300

1. ALL ELECTRICAL WORK SHALL BE IN FULL COMPLIANCE WITH NFPA 70, THE NORTH CAROLINA STATE BUILDING CODE, ALL LOCAL CODES AND ORDINANCES AND IN ACCORDANCE WITH THE REQUIREMENTS OF THE LOCAL AUTHORITY HAVING

JURISDICTION.

2. ALL EQUIPMENT PROVIDED BY THE CONTRACTOR SHALL BE LISTED AND LABELED BY A NATIONALLY-RECOGNIZED TESTING AGENCY, ACCEPTABLE TO THE AUTHORITY HAVING JURISDICTION, FOR THE CONDITIONS OF INSTALLATION. ALL MATERIAL, EQUIPMENT AND DEVICES SHALL BE NEW CURRENT PRODUCTS OF MANUFACTURERS REGULARLY ENGAGED IN THE PRODUCTION OF SUCH PRODUCTS. EQUIPMENT SHALL BE SUITABLE FOR ITS APPLICATION (E.G. WHEN INSTALLED OUTDOORS, IT

SHALL BE WEATHERPROOF, ETC.)

3. THE CONTRACTOR SHALL REVIEW ALL DRAWINGS AND SPECIFICATIONS FOR WORK REQUIREMENTS, THE AMOUNT OF SPACE AVAILABLE FOR ELECTRICAL EQUIPMENT, AND LAYOUT HIS WORK IN A COMPATIBLE AND COMPLEMENTARY MANNER.

4. THE CONTRACTOR SHALL ALSO BE RESPONSIBLE FOR THOROUGHLY FAMILIARIZING HIMSELF WITH ANY CONTRACTUAL REQUIREMENTS AS MAY BE SET FORTH IN THE OTHER DIVISIONS OF THE PROJECT SPECIFICATIONS.

5. UNLESS SPECIFICALLY NOTED OTHERWISE, SYSTEMS PROVIDED OR INSTALLED BY THE CONTRACTOR SHALL BE COMPLETE AND FULLY-FUNCTIONING AFTER INSTALLATION. INCIDENTAL COMPONENTS MAY NOT BE SHOWN, AND ALL WORK WHICH MAY BE REASONABLY IMPLIED AS BEING INCIDENTAL TO THIS WORK, BUT REQUIRED FOR THE PROPER OPERATION OF THE EQUIPMENT OR SYSTEM, SHALL BE PROVIDED BY THE CONTRACTOR AND INCLUDED IN THE BID. ADDITIONAL CIRCUITS SHALL BE INSTALLED

WHEREVER NEEDED TO CONFORM TO THE SPECIFIC REQUIREMENTS OF EQUIPMENT.

6. THE WORK SHALL INCLUDE COMPLETE TESTING OF ALL EQUIPMENT AND WIRING AT THE COMPLETION OF WORK AND ANY MINOR CORRECTIONS, CHANGES OR ADJUSTMENTS NECESSARY FOR THE PROPER FUNCTIONING OF THE SYSTEM AND

EQUIPMENT.

7. ALL ELECTRICAL EQUIPMENT SHALL, AT ALL TIMES DURING CONSTRUCTION, BE ADEQUATELY PROTECTED AGAINST MECHANICAL INJURY, OR DAMAGE BY WATER AND/OR THE ELEMENTS. ELECTRICAL EQUIPMENT SHALL NOT BE STORED OUT OF DOORS, BUT SHALL BE STORED IN DRY PERMANENT SHELTERS. IF AN APPARATUS HAS BEEN DAMAGED, OR HAS BEEN SUBJECT TO POSSIBLE INJURY BY WATER OR THE ELEMENTS, SUCH DAMAGE SHALL BE REPLACED AT NO ADDITIONAL COST.

8. DO NOT SCALE ELECTRICAL DRAWINGS. FIELD VERIFY ALL DIMENSIONS.

9. CIRCUIT LAYOUTS ARE NOT INTENDED TO SHOW THE NUMBER OF FITTINGS, OR OTHER INSTALLATION DETAILS. UNLESS NOTED OTHERWISE, THE EXACT ROUTING OF FEEDER AND BRANCH CIRCUIT RACEWAYS AND CABLES IS THE RESPONSIBILITY OF THE CONTRACTOR. RISER AND GENERAL CIRCUIT ARRANGEMENTS ARE SHOWN SCHEMATICALLY/DIAGRAMMATICALLY ONLY.

THE CONTRACTOR SHALL ROUTE CONDUITS AS REQUIRED BY THE CONDITIONS OF THE INSTALLATION.

10. UNLESS DIMENSIONED, DEVICE LOCATIONS SHOWN ON THE DRAWINGS ARE APPROXIMATE. ADJUST EXACT LOCATIONS AS REQUIRED TO SERVE THE INTENDED PURPOSE. IF NOT DIMENSIONED ON THE ELECTRICAL DRAWINGS, VERIFY EXACT LOCATION

WITH THE CONTRACTING OFFICER PRIOR TO ROUGH-IN.

11. SEAL ALL CONDUIT OPENINGS THROUGH EXTERIOR BUILDING WALLS WATERTIGHT.

12. ALL MOTORS AND OTHER VIBRATING EQUIPMENT SHALL BE CONNECTED TO THE CONDUIT SYSTEM BY MEANS OF A SHORT SECTION (18 INCH MINIMUM) OF FLEXIBLE CONDUIT UNLESS OTHERWISE INDICATED. AN EQUIPMENT GROUNDING CONDUCTOR SHALL BE INSTALLED INSIDE THE FLEXIBLE CONDUIT AND TERMINATE AT THE LOAD END WITH AN APPROVED

GROUNDING CLAMP OR LUG.

13. PRIOR TO TRENCHING IN ANY AREA, THE CONTRACTOR SHALL CONTACT ELECTRICAL, COMMUNICATIONS/DATA/FIBER, CABLE TELEVISION, GAS AND WATER UTILITY PROVIDERS AND HAVE ALL UTILITIES IN THE AREA IDENTIFIED. DAMAGE TO ANY UNDERGROUND UTILITIES OR STRUCTURES SHALL BE REPAIRED BY THE CONTRACTOR AT NO ADDITIONAL COST TO THE PROJECT.

14. ALL UNDERGROUND RACEWAYS SHALL BE IDENTIFIED BY UNDERGROUND LINE MARKING TAPE LOCATED DIRECTLY ABOVE

THE RACEWAY AT 6 TO 8 INCHES BELOW FINISHED GRADE.

15. INSTALLATION INFORMATION PACKED WITH DEVICES AND EQUIPMENT SHALL BE RETAINED FOR INCLUSION IN THE

OPERATIONS AND MAINTENANCE MANUALS.

16. EXISTING CIRCUITING WHERE SHOWN IS FOR CONVENIENCE PURPOSES ONLY. VERIFICATION OF EXISTING WIRING DESTINATION, TERMINATION AND ADDITIONS OF NEW LOADS IS THE RESPONSIBILITY OF THE CONTRACTOR.

17. THE CONTRACTOR SHALL VISIT THE SITE AND BECOME FAMILIAR WITH THE EXISTING ELECTRICAL SYSTEMS AND THE EXISTING BUILDING. THE SUBMISSION OF THE PROPOSAL BY THE CONTRACTOR SHALL BE CONSIDERED EVIDENCE THAT THEY OR THEIR REPRESENTATIVE HAS VISITED THE SITE AND BUILDINGS AND NOTED THE LOCATION AND CONDITIONS UNDER WHICH THE WORK WILL BE PERFORMED AND THAT THEY TAKES FULL RESPONSIBILITY OF ALL FACTORS GOVERNING THEIR WORK. NO EXTRAS WILL BE CONSIDERED BECAUSE OF ADDITIONAL WORK NECESSITATED BY EXISTING JOB CONDITIONS THAT ARE NOT

INDICATED ON THE DRAWINGS.

GENERAL ELECTRICAL NOTES

25-0431 G1

ENVIRONMENTAL REQUIREMENTS G575

1. IF CONTAMINANTS ARE SUSPECTED THROUGH ODORS OR VISUAL OBSERVATION DURING CONSTRUCTION ACTIVITIES, IMMEDIATELY STOP WORK, CALL 911, AND CONTACT EQB AT 910-451-9641 FOR FURTHER INSTRUCTIONS.

2. THERE ARE NO KNOWN MONITORING WELLS IN THE PROJECT AREAS BUT IF AN UNMARKED WELL IS DISCOVERED AND INADVERTENTLY DAMAGED, IMMEDIATELY CONTACT EQB AT 910-451-9641 FOR FURTHER INSTRUCTIONS.

3. THE PROPOSED PROJECT AREA IS WITHIN PREVIOUSLY INVESTIGATED HISTORIC SURFACE DANGER ZONES (UXO-24)THAT HAS LAND USE CONTROLS IN PLACE. SOIL TAKEN OFF BASE FROM THIS SITE MAY NEED TO BE SCREENED FOR UXO, PLEASE COORDINATE WITH THE IR PM. 3R UXO SAFETY AWARENESS TRAINING IS REQUIRED FOR ALL CONSTRUCTION PERSONNEL. 3R SAFETY AWARENESS TRAINING IS AVAILABLE ONLINE AT THE FOLLOWING LINK: HTTP://WWW.LEJEUNE.MARINES.MIL/OFFICES- STAFF/ENVIRONMENTAL-MGMT/TRAINING-VIDEO/. SHOULD A MUNITIONS-RELATED ITEM BE FOUND DURING CONSTRUCTION, FOLLOW APPROPRIATE NOTIFICATIONS AS DETAILED IN THE 3R TRAINING. ANY MUNITIONS RELATED ITEM FOUND DURING PROJECT CONSTRUCTION SHOULD ADDITIONALLY BE REPORTED TO EMD WITHIN 10 DAYS (THOMAS RICHARD, 910-451-9641) TO DETERMINE IF ADDITIONAL EVALUATION AND PRECAUTIONS ARE NECESSARY (EXPLOSIVES SAFETY SUBMISSION, UXO TECH SUPPORT, ETC). ADDITIONAL UXO SAFETY RESOURCES AVAILABLE AT: CONSTRUCTION -DENIX (OSD.MIL) HTTPS:// WWW.DENIX.OSD.MIL/UXO/FOR-WORKCREWS/CONSTRUCTION/INDEX.HTML. IN ADDITION, NOTIFICATION TO THE STATE AND U.S. EPA IS REQUIRED A MINIMUM 60 DAYS PRIOR TO START OF CONSTRUCTION TO ENSURE COMPLIANCE WITH EXISTING LAND USE RESTRICTIONS. THE NOTIFICATION SHALL BE DONE BY THE INSTALLATION'S ENVIRONMENTAL MANAGEMENT DIVISION AND COORDINATED VIA THE CONSTRUCTION CONTRACTOR. IF GEOTECHNICAL BORINGS FOR NECESSARY FOR DESIGN, YOU WILL NEED TO COORDINATE NOTIFICATIONS WITH THE INSTALLATION RESTORATION PROGRAM. A MAP OF PROPOSED BORING LOCATIONS WILL BE REQUIRED. NOTIFICATIONS WILL NEED TO BE COORDINATED 60+ DAYS AHEAD OF CONSTRUCTION AND

SEPARATE FROM THE CONSTRUCTION NOTIFICATIONS.

4. THIS PROJECT IS WITHIN THE AQUIFER USE CONTROL BOUNDARY ASSOCIATED WITH IR SITE 35, OPERABLE UNIT (OU) 10. ALL WORK CONDUCTED IN AN IDENTIFIED EPA NPL OU OR RCRA SWMU MUST ADHERE TO THE PROVISIONS DETAILED IN 29 CFR

1910.120 OCCUPATIONAL SAFETY AND HEALTH STANDARDS, HAZARDOUS MATERIALS, HAZARDOUS WASTE OPERATIONS AND

EMERGENCY RESPONSE.

5. IF DRILLING FLUIDS OR OTHER SUBSTANCES/COMPOUNDS/PRODUCTS ARE INJECTED INTO THE GROUND SURFACE, SAFETY DATA SHEETS MUST BE SENT TO EQB FOR REVIEW AND SCREENING OF POTENTIAL CONTAMINANTS.

6. THE PROPOSED ACTION INVOLVES CONSTRUCTION WITHIN SITE UXO-24,WHICH WAS IDENTIFIED AS A RADIOLOGICAL AREA OF INTEREST DUE TO HISTORIC OPERATIONAL USE AND PROXIMITY TO A FORMER DUMP SITE. IT IS RECOMMENDED THAT IF ANY RADIOLOGICAL WASTE DEBRIS IS ENCOUNTERED DURING CONSTRUCTION ACTIVITIES, IMMEDIATELY STOP WORK, CALL

911. EXAMPLES OF RADIOLOGICAL ITEMS OF CONCERN ARE OLD MILITARY EQUIPMENT WITH DIALS OR GAUGES. IF ANOMALIES CANNOT BE AVOIDED, FURTHER INPUT FROM RASO IS REQUIRED FOR WORK TO CONTINUE. CONTACT: IR PROGRAM, 910-451- 9641/9610.

ENVIRONMENTAL REQUIREMENTS AS4300

1. IF CONTAMINANTS ARE SUSPECTED THROUGH ODORS OR VISUAL OBSERVATION DURING CONSTRUCTION ACTIVITIES, IMMEDIATELY STOP WORK, CALL 911, AND CONTACT EQB AT 910-451-9641 FOR FURTHER INSTRUCTIONS.

2. THERE ARE NO KNOWN MONITORING WELLS IN THE PROJECT AREAS BUT IF AN UNMARKED WELL IS DISCOVERED AND INADVERTENTLY DAMAGED, IMMEDIATELY CONTACT EQB AT 910-451-9641 FOR FURTHER INSTRUCTIONS.

3. 3R UXO SAFETY AWARENESS TRAINING IS RECOMMENDED FOR ALL CONSTRUCTION WORKERS AS A PRECAUTION GIVEN THAT CAMP LEJEUNE HAS BEEN AN ACTIVE MILITARY BASE SINCE THE 1940S. 3R SAFETY AWARENESS TRAINING IS AVAILABLE ONLINE AT THE FOLLOWING LINK: HTTP://WWW.LEJEUNE.MARINES.MIL/OFFICES-STAFF/ENVIRONMENTAL-MGMT/TRAINING-VIDEO/.

SHOULD A MUNITIONS-RELATED ITEM BE FOUND DURING CONSTRUCTION, FOLLOW APPROPRIATE NOTIFICATIONS AS DETAILED IN THE 3R TRAINING. ANY MUNITIONS RELATED ITEM FOUND DURING PROJECT CONSTRUCTION SHOULD ADDITIONALLY BE REPORTED TO EMD WITHIN 10 DAYS (T.RICHARD, 910-451-9641) TO DETERMINE IF ADDITIONAL EVALUATION AND PRECAUTIONS ARE NECESSARY (EXPLOSIVES SAFETY SUBMISSION, UXO TECH SUPPORT, ETC). ADDITIONAL UXO SAFETY RESOURCES AVAILABLE AT: CONSTRUCTION - DENIX (OSD.MIL) HTTPS://WWW.DENIX.OSD.MIL/UXO/FOR-WORK-CREWS/

CONSTRUCTION/INDEX.HTML

4. IF DRILLING FLUIDS OR OTHER SUBSTANCES/COMPOUNDS/PRODUCTS ARE INJECTED INTO THE GROUND SURFACE, SAFETY DATA SHEETS MUST BE SENT TO EQB FOR REVIEW AND SCREENING OF POTENTIAL CONTAMINANTS.

U P

ATS

MAIN

MCC

UPS

CONT

CAB

G

EN

ER

AT

O R

FUEL

TANK

TRANSFORMER

22FT

11FT 6IN

57IN

57IN

24IN

12IN

SITE FENCING SITE FENCING SITE FENCINGSITE FENCING

SITE FEN

CIN

G

SITE FEN

CIN

G

25-0431 E1

EQUIPMENT LAYOUT - G575 CAMP GEIGER WASTE WATER PUMP STATION

NOT TO SCALE

NEW GENERATOR/WORKING PLATFORM CONCRETE

PAD TO BE INSTALLED BY CONTRACTOR

XFMR

PANEL

A

ATS

PANEL A

POWER RISER DIAGRAM - G575 CAMP GEIGER WASTE WATER PUMP STATION

NOT TO SCALE

3000 PSI CONCRETE

PAD

GRADE

GENERATOR SET FURNISHED

BY GOVERNMENT.

INSTALLED BY CONTRACTOR

1. PROVIDE 8" CONCRETE PAD W/ 6x6 - 10 GAUGE WIRE MESH (LIFTED TO CENTER OF POUR) ON 6" WELL

COMPACTED GRAVEL BASE.

2. SIZE PAD AS INDICATED AND PROVIDE GRADUAL SLOPE FOR DRAINAGE.

3. VERIFY EXACT PAD SIZE REQUIREMENTS AND RACEWAY STUB-UP LOCATIONS WITH GOVERNMENT POC PRIOR

TO ROUGH-IN AND POURING OF PAD.

4. SECURE GENERATOR TO PAD IN ACCORDANCE WITH MANUFACTURER’S RECOMMENDATION.

NOTES:

GENERATOR PAD DETAIL

NOT TO SCALE

3' (TYP)

EDGE OF GENERATOR

¾” X 10' GROUND ROD (TYP)

# 4/0 AWG BARE COPPER GROUND RING

MINIMUM 2' 6 “ BELOW GRADE

# 4/0 AWG BARE COPPER TO GENERATOR

FRAME (PROTECT FROM PHYSICAL DAMAGE)

GENERATOR GROUND RING DETAIL

NOT TO SCALE

GRAVEL BASE

GRADE

SUB-BASE FUEL TANK

SUB-BASE FUEL TANK

600A/3P

MAIN

C1 C2

C3 C4

C5

Demolition -

1. Remove the existing 480Y/277 volt, 3 phase, 4 wire, 400 amp, 4 pole automatic transfer switch.

2. Remove the existing secondary conductors from the transfer switch to the enclosed circuit breaker (main).

3. Remove the existing secondary conductors from the automatic transfer switch to the 200KW generator.

4. The existing secondary conductors from the automatic transfer switch to the motor control center are to remain and be reconnected to the new automatic transfer switch.

5. The existing 200KW generator shall remain and be abandoned in place.

Installation –

1. Provide and install new 480Y/277 volt, 3 phase, 4 wire, 400 amp, 4 pole, closed transition automatic transfer switch on existing concrete pad.

2. Provide and install new conductors from automatic transfer switch to the existing enclosed circuit breaker (main). Existing conduits may be modified as required and reused.

3. Install new government furnished 200KW diesel generator with 1200 gallon subbase fuel tank and working platform. Generator and working platform shall be placed on new 11ft 6in x 22ft x 8” thick concrete pad.

4. Provide and install new conduit and conductors from the generator to the new automatic transfer switch.

5. All terminations shall have corrosion inhibitor applied due to the corrosive gases present.

* ALL NEW PENETRATIONS THROUGH EXTERIOR WALLS INTO THE GENERATOR/MCC ROOM MUST BE AIRTIGHT TO PREVENT HYDROGEN SULFIDE GAS FROM INTRUDING THE SPACE

AND DAMAGING ELECTRICAL/ELECTRONIC EQUIPMENT.

DESCRIPTION OF WORK

25-0431 E2

POWER/CONTROL CONDUIT AND CABLE SCHEDULE

CONDUIT CONDUIT WIRE

NO.

C1

SIZE NO. SIZE

¾” RMC 5 14 AWG

FROM

ATS CONTROL

TO

GENERATOR CONTROL PANEL

REMARKS

2 BLK 2 RED 1 GRN

C2 4" RMC 4

500 KCMIL

3 AWG

ATS “EM” LUGS GENERATOR BRKR

C3 ¾” RMC 5 12 AWG

PANEL A GENERATOR BLOCK HEATER &

BATTERY CHARGER

CIRCUITS A-10, A-12

(SEPARATE NUETRALS)

C4 4" RMC 4

500 KCMIL

3 AWG

ATS “LOAD” LUGS MOTOR CONTROL CENTER EXISTIING TO BE

RECONNECTED

C5 4" RMC 4

500 KCMIL

3 AWG

ATS “LINE” LUGS MAIN ENCLOSED CIRCUIT

BREAKER

A

B

C

N

G

AB

C

N

GFP GFP

CIRCUIT

BREAKER

FOUR

POLE

ATS

CIRCUIT

BREAKER GEN SET

FROM

UTILITY

G N C B A

BOND TO HOUSING TO LOAD

GROUND

RING

TYPICAL FOUR-POLE ATS CONFIGURATION

NOT TO SCALE

GROUNDING

ELECTRODE

EQUIPMENT SCHEDULE

1 200KW 600A MCB 480Y/277V 3PH GENERATOR SET WITH WORKING PLATFORM TO BE

FURNISHED BY THE GOVERNMENT AND INSTALLED BY CONTRACTOR

2 400A, 480Y/277V, 4 POLE, 35kAIC, CLOSED TRANSITION, WITH BYPASS ISOLATION

AUTOMATIC TRANSFER SWITCH TO BE FURNISHED AND INSTALLED BY CONTRACTOR

ITEM EQUIPMENT DESCRIPTION

3 EXISTING MAIN ENCLOSED CIRCUIT BREAKER 300A 480V 3 POLE 30kAIC SERVICE

ENTRANCE RATED IN NEMA-1 ENCLOSURE

4 EXISTING PANELBOARD A, 225A MCB 208Y/120V 3 PHASE 4 WIRE 22kAIC

5 EXISTING MOTOR CONTROL CENTER, 600A MLO 480Y/277V 3 PHASE 4 WIRE 22kAIC

WORK AREA - AS4300 NRAS DOUGLAS GATE ENTRY

NOT TO SCALE

25-0431 E3

GRAVEL PAD

GRADE

COMPACTED DIRT AND GEO-FABRIC

UNDISTURBED SOIL

- REMOVE 6 INCHES OF GRASS AND SOIL IN THE OUTLINED AREA

- COMPACT EXCAVATED AREA AND INSTALL 8OZ GEO-TEXTILE FABRIC

- INSTALL 6 INCH BY 6 INCH 4000 PSI CONCRETE BORDER ON THREE SIDES

- INSTALL 6 INCHES OF #57 CRUSHED STONE

6"6"

6"

CONCRETE BORDER

30'

30'

24" CLASS V REINFORCED CONCRETE PIPE

STREET EDGE STREET EDGE STREET EDGE

GRAVEL DRIVE WITH 24" RCP

Gravel Pad and Drive Notes

- Excavate the area indicated in the sketch approximately 6 inches deep and compact the base.

- Install non-woven 8 oz geotextile fabric where excavated.

- Install 6" x 6" 3000 psi concrete border on pad (no border on the gravel drive).

- The gravel drive shall butt up to the existing asphalt street.

- Fill the excavated area with #57 stone.

1. Excavate indicated area and install concrete border as directed.

2. Provide and install equipment rack with service panel and government furnished automatic transfer switch. Ensure the service panel and automatic transfer switch face west. This will prevent the display on the automatic transfer switch from being bleached out by the sun.

3. Provide and install conduit and wire from pole mounted transformer to service panel and from the service panel to the automatic transfer switch. Install conduit and wire from automatic transfer switch to generator pad location and from the automatic transfer switch to the existing service pole and terminate at new weatherhead on the service mast.

4. Provide and install conduit and wire from service panel to the generator location for block heater and battery charger.

5. Remove the existing service disconnect, conduit and conductors complete. Install 12” x 12” x 6” NEMA 3R junction box at this location.

4. Provide and install 100” x 56” x 8” concrete pad for generator.

5. Provide and install 20’ long 24” class v reinforced concrete pipe in the existing swale.

6. Provide and install 6” of #57 stone in the excavated area ensuring there is a minimum of 12” of cover on the reinforced concrete pipe.

7. Place the government furnished 25KW generator with 78 gallon sub-base fuel tank on the concrete pad and make all connections.

8. Test for proper operation.

SPACING TO SUPPORT

EQUIPMENT PROVIDED

PROVIDED FOR

CONDUIT SUPPORT

6' 0"

2' 0"

3" RIGID GALVANIZED PIPE

WITH THREADED CAP SPACED

TO SUPPORT EQUIPMENT

GRADE

EQUIPMENT RACK DETAIL

NOT TO SCALE

CONCRETE

UTILITY POLE, TRANSFORMER, AND AREA

LIGHT INSTALLED BY GOVERNMENT

GENERATOR PAD

DESCRIPTION OF WORK

15'

25-0431 E4

EQUIPMENT RACK

GRAVEL PAD AND DRIVE DETAIL

NOT TO SCALE

LEAVE 3FT OF FREE CONDUCTOR FOR ATTACHMENT

TO SERVICE DROP BY GOVERNMENT

NEW SERVICE MAST

1 - 6 G, ¾” C

POWER RISER DIAGRAM - AS4300 NRAS DOUGLAS GATE ENTRY

NOT TO SCALE

3000 PSI

CONCRETE

PAD

GRADE

GENERATOR SET FURNISHED BY

GOVERNMENT. INSTALLED BY

CONTRACTOR

1. PROVIDE 8" CONCRETE PAD W/ 6x6 - 10 GAUGE WIRE MESH (LIFTED TO CENTER OF POUR) ON 6" WELL

COMPACTED GRAVEL BASE.

2. SIZE PAD SO THAT OUTER EDGE OF PAD EXTENDS 12" BEYOND ENCLOSURE AND PROVIDE GRADUAL SLOPE FOR

DRAINAGE.

3. VERIFY EXACT PAD SIZE REQUIREMENTS AND RACEWAY STUB-UP LOCATIONS WITH GOVERNMENT POC PRIOR TO

ROUGH-IN AND POURING OF PAD.

4. SECURE GENERATOR TO PAD IN ACCORDANCE WITH MANUFACTURER’S RECOMMENDATION.

NOTES:

GENERATOR PAD DETAIL

NOT TO SCALE

3' (TYP)

EDGE OF GENERATOR

¾” X 10' GROUND ROD (TYP)

# 4/0 AWG BARE COPPER

GROUND RING MINIMUM 2' 6 “

BELOW GRADE

# 4/0 AWG BARE COPPER TO GENERATOR

FRAME (PROTECT FROM PHYSICAL DAMAGE)

GENERATOR GROUND RING DETAIL

NOT TO SCALE

GRAVEL BASE

GRADE

SUB-BASE FUEL TANK

SUB-BASE FUEL TANK

3 4

UTILITY POLE, TRANSFORMER, AND AREA

LIGHT INSTALLED BY GOVERNMENT

EXISTING POLE MOUNTED TRANSFORMER

AND OVERHEAD ELECTRICAL SERVICE

EXISTING SERVICE DISCONNECT, SERVICE MAST

AND CONDUCTORS TO BE REMOVED COMPLETE

C1

C2 C3

C4 C6 C7

C5

25-0431 E5

A

B

N

G

AB

N

CIRCUIT

BREAKER

TWO

POLE

ATS

CIRCUIT

BREAKER

GEN SET

FROM

UTILITY

G N B A

BOND TO HOUSING

TO LOAD

GROUND

RING

EQUIPMENT SCHEDULE

1 25KW 100A MCB 120/240V 1 PHASE GENERATOR SET WITH WORKING PLATFORM TO BE

FURNISHED BY THE GOVERNMENT AND INSTALLED BY CONTRACTOR

2 100A, 240V, 2 POLE AUTOMATIC TRANSFER SWITCH TO BE FURNISHED BY THE

GOVERNMENT AND INSTALLED BY CONTRACTOR

ITEM EQUIPMENT DESCRIPTION

3 ELECTRICAL PANEL, 125A MCB, 120/240V, 1 PHASE, 3 WIRE, NEMA 3R, 6 SPACE/12

CIRCUIT, 22kAIC

4 EXISTING PANELBOARD , 100A MCB 120/240V, 1 PHASE, INSIDE GUARDSHACK AS4300

12" X 12" X 6" NEMA 3R JUCNTION BOX TO BE INSTALLED ON THE EXISTING SERVICE POLE

AT THE SERVICE DISCONNECT.5

POWER/CONTROL CONDUIT AND CABLE SCHEDULE

CONDUIT CONDUIT WIRE

NO.

C1

SIZE NO. SIZE

1 ¼” RMC 3 3 AWG

FROM

TRANSFORMER

TO

SERVICE PANEL

REMARKS

C2 1 ¼” RMC 3

3 AWG

8 AWG

ATS “EM” LUGS GENERATOR BRKR

C3 ¾” RMC 5 12 AWG

PANEL A GENERATOR BLOCK HEATER &

BATTERY CHARGER

CIRCUITS A-10, A-12

(SEPARATE NUETRALS)

C4 ¾” RMC 5 14 AWG

ATS CONTOL GENERATOR CONTROL PANEL 2 BLK 2 RED 1 GRN

C5 1 ¼” RMC 3

3 AWG

8 AWG

ATS “LINE” LUGS SERVICE PANEL

C6 1 ¼” RMC 3

3 AWG

8 AWG

ATS “LOAD” LUGS POLE MOUNTED JUNCTION BOX

C7 1 ¼” RMC 3

2 AWG

8 AWG

POLE MOUNTED JUNCTION

BOX SERVICE PANEL EXISTING TO BE REUSED

TYPICAL TWO-POLE ATS CONFIGURATION

NOT TO SCALE

GROUNDING

ELECTRODE *THERE SHALL BE NO NUETRAL GROUND

BOND MADE AT THE GENERATOR