Attachment 4 - MAHG231035 Repair Well 10 _ DWGs.pdf
PDF 859 KB Posted
- Attached to
- Repair Well #10 Federal contract opportunity
- Solicitation number
- FA301025R0026
About this file
This document is a set of electrical engineering drawings for a water well repair project at Keesler Air Force Base in Biloxi, Mississippi. The project, designated MAHG231035, involves repairs to Well #10 at building B7301 and is being managed by the 81st Civil Engineer Squadron. The drawings are dated March 25, 2025, and represent a 35% design submittal with attachment number FA301025R0026.
The scope of work includes demolishing and replacing critical water system components: the existing generator and automatic transfer switch (ATS), the 75 HP well pump, and the 3 HP chlorine pump. The project will reuse the existing diesel tank while providing new equipment and plumbing for a complete functional system. Electrical specifications call for a Cummins 150KW 480V 3-phase standby generator capable of handling equipment inrush current, and a 480/277V 225A 3-phase ATS with switched neutral and bypass isolation capabilities. The contractor must coordinate utility shutdown with the government and City Light & Power, filing shutdown paperwork two weeks prior to electrical construction. The system must comply with AFI 32-1062 and UFC 3-540-01 standards and include surge protection devices and proper grounding for both utility and generator sources.
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Text version
REPAIR WELL #10, B7301
ISSUE DATE: March 21, 2025
PROJECT NUMBER: MAHG231035
KEESLER AIR FORCE BASE BILOXI, MS
B7301
PROJECT LOCATION
SHEET
G-001
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G1 SITE PLAN
1/128" = 1'-0"
DRAWING INDEX
Sheet Number Sheet Title
GENERAL
G-001 COVER SHEET
ELECTRICAL
E-101 SITE PLAN
E-102 DIAGRAMS
1625958128A Text Box Attachment 4
FA301025R0026
GENERATOR
TRANSFORMER
T-67-7301 DIESEL
TANK
B7301
WELL #10
DISCONNECT SWITCH
PUMP MOTOR
STARTER
WINDOW TRANSFORMER
CIRCUIT BREAKER
DISCONNECT SWITCH
MAIN DISCONNECT
WELL PUMP CONCRETE PILLAR
AIR RELIEF
CHECK VALVE
FLUORIDATION
SYSTEM
CHLORINE PUMP
REGULATOR
CHLORINE TANKS
240V HEATER
GENERATOR SWITCH
ATS
SHEET
E-101
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E-1 SITE PLAN
3/8" = 1'-0"
SHEET KEYNOTES
1. DEMOLISH EXISTING GENERATOR, ASSOCIATED
ACCESSORIES, CONDUIT AND CONDUCTORS.
REPLACE WITH NEW GENERATOR IN SAME
LOCATION.
2. DEMOLISH EXISTING AUTOMATIC TRANSFER
SWITCH (ATS) AND REPLACE WITH NEW ATS IN
SAME LOCATION.
3. RE-USE EXISTING DIESEL TANK AND PROVIDE
ANY NEW EQUIPMENT OR PLUMBING NEEDED
FOR FUNCTIONAL AND COMPLETE SYSTEM.
4. DEMOLISH EXISTING WELL PUMP AND REPLACE
WITH NEW PUMP.
5. DEMOLISH EXISTING CHLORINE PUMP AND
REPLACE WITH NEW PUMP.
LEGEND
REMOVE AND REPLACE SCOPE
200A 175A
15A
M
M
75 HP
WELL PUMP #10
3 HP
CHLORINE PUMP
STANDBY
GENERATOR
480/277V
ATS
200A 175A
15A
M
M
SOFT
STARTER
75 HP
WELL PUMP #10
3 HP
CHLORINE PUMP
Y
150KW STANDBY GENERATOR
30A
10 KVA
480V-240/120V
1-PHASE
SOFT
STARTER
30A
SUB-PANEL
EQUIPMENT
LIGHTS
EQUIPMENT
LIGHTS
30A30A
200A
200A
T-67-7301 22860/13200V Y-G
480/277V Y-G 112.5kVA
200AF
200AF
#4/0
INCOMING UTILITY FEED
200A SPD
SPD
T-67-7301 22860/13200V Y-G
480/277V Y-G 112.5kVA
#4/0
INCOMING UTILITY FEED
200AF
200AF
10 KVA
480V-240/120V
1-PHASE SUB-PANEL
M
SPD
E2 DEMOLITION PLAN
NOT TO SCALE
E3 CONSTRUCTION PLAN
NOT TO SCALE
SHEET KEYNOTES
1. PROVIDE 4#4/0 CU, #6 GND IN 2.5" RMC CONDUIT.
2. CALL 811 AND COORDINATE SHUTDOWN OF UTILITY
TRANSFORMER WITH GOVERNMENT AND CITY LIGHT &
POWER. CONTRACTOR SHALL FILE PAPERWORK TO
REQUEST SHUTDOWN 2 WEEKS PRIOR TO STARTING
CONSTRUCTION ON ELECTRICAL SYSTEM.
3. CUMMINS (OR APPROVED EQUAL) AUTOMATIC TRANSFER
SWITCH (ATS) SHALL BE 480/277V 225A 3 PHASE WITH A
SWITCHED NEUTRAL. ATS SHALL BE DELAYED
TRANSITION AND HAVE BYPASS ISOLATION FOR
MAINTENANCE. ATS SHALL BE SERVICE ENTRANCE RATED
WITH A 225AS/150AT BREAKER WITH ADJUSTABLE LONG
TIME PICK UP AND INSTANTANEOUS. ATS SHALL BE
MINIMUM NEMA 3R RATED FOR OUTDOOR USE. ATS SHALL
HAVE A SURGE PROTECTOR DEVICE CONNECTED TO
UTILITY SOURCE.
4. CUMMINS (OR APPROVED EQUAL) PERMANENT STANDBY
GENERATOR SHALL BE 150KW 480V 3 PHASE WYE
GROUNDED CAPABLE OF HANDLING THE INRUSH
CURRENT OF EXISTING AND NEW EQUIPMENT.
GENERATOR SHALL BE MINIMUM NEMA 3R RATED FOR
OUTDOOR USE. GENERATOR SHALL BE SEPARATELY
DERIVED SYSTEM. GENERATOR SHALL HAVE A SURGE
PROTECTOR DEVICE. CONTRACTOR TO PROVIDE ALL
NECESSARY GROUNDING, BONDING AND ACCESSORIES
FOR A COMPLETE AND FUNCTIONAL SYSTEM.
GENERATOR SYSTEM SHALL COMPLY WITH AFI
32-1062 AND UFC 3-540-01.
LEGEND
DEMOLITION SCOPE
NEW WORK SCOPE
CIRCUIT BREAKER
MOTOR
SURGE PROTECTOR DEVICE
TRANSFORMER
FUSED SAFETY SWITCH
XXXAF FRAME SIZE
XXXAT FUSE TRIP RATING
SHEET
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