238_FX400_R1_AMENDMENT 009.pdf
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- Solicitation number
- N6247026R0012
About this file
This is a fire protection design drawing for Building 60 repairs at Portsmouth Naval Shipyard in Kittery, Maine, prepared by Naval Facilities Engineering Systems Command (NAVFAC) Mid-Atlantic. The drawing, designated FX400, provides an enlarged plan and section view of a fire pump room at a 1/2" = 1'-0" scale and includes detailed fire protection system specifications and keynotes.
The fire pump room design incorporates a new electric fire pump with 1,500 gallons per minute capacity and 50-PSI boost capability, supported by a newly constructed 1-hour fire-rated enclosure. Key system components include an 8" suction isolation valve, 6" discharge isolation valve, 8" backflow preventer, 8" incoming supply from underground, jockey pump control panel, and fire pump control panel. The system connects to first and second floor sprinkler risers through various isolation valves, check valves, waterflow switches, and inspectors' test and drain connections. Additional infrastructure includes a new concrete pad, 6" and 8" diameter piping feeds to test headers and overhead sprinkler systems, flow meter, and exterior drain with splash block. The design notes specify that hangers and pipe supports must comply with NFPA 13, NFPA 20, and project specifications, and references sheets FX001, FX400, and FX501 for additional fire protection notes and details. The drawing was finalized on October 1, 2025, with an amendment dated March 16, 2026.
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Text version
1. SEE SHEET FX001, FX400, AND FX501 FOR FIRE PROTECTION NOTES AND
DETAILS.
2. HANGERS AND PIPE SUPPORTS ARE NOT SHOWN. HANGERS AND PIPE
SUPPORTS MUST BE PROVIDED IN ACCORDANCE WITH NFPA 13, NFPA 20,
AND SPECIFICATION.
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DRAWFORM REVISION: 14 SEP 2023
DESIGN MANAGER
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FIRE PROTECTION
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PLAN
NORTH
1/2" = 1' - 0" 0 1' 5'6" 2' 3' 4'
GRAPHIC SCALE(S)
KEY PLAN
MATCH LINE
FIRE PUMP KEYNOTESGENERAL NOTES
SCALE: 1/2" = 1'-0"
B2
FIRE PUMP ROOM SECTION
NEW ELECTRIC FIRE PUMP, 1,500 GPM WITH 50-PSI BOOST
6" FEED TO TEST HEADER (SEE FX501/A4)
8" FIRE PUMP BYPASS
JOCKEY PUMP CONTROL PANEL
FIRE PUMP CONTROL PANEL
8" SUCTION ISOLATION VALVE
6" DISCHARGE ISOLATION VALVE
8" BACKFLOW PREVENTER
8" INCOMING FROM UNDERGROUND SUPPLY
FIRST FLOOR SPRINKLER RISER OS&Y VALVE W/TAMPER SWITCH
17 CEILING HEIGHT
NEW 1-HOUR FIRE PUMP ROOM ENCLOSURE
6" TO FIRST FLOOR OVERHEAD SPRINKLER SYSTEM
SCALE: 1/2" = 1'-0"
B1
ENLARGED FIRE PUMP ROOM
FLOW METER
NEW CONCRETE PAD
FIRST FLOOR SPRINKLER RISER CHECK VALVE
FIRST FLOOR SPRINKLER RISER WATERFLOW SWITCH
FIRST FLOOR SPRINKLER RISER INSPECTORS TEST AND DRAIN
FIRST FLOOR SPRINKLER RISER DRAIN TO EXTERIOR
6" TO SECOND FLOOR SPRINKLER CONTROL VALVE ASSEMBLY (SEE FX501)20
LOCATE CONCRETE SPLASH BLOCK FOR EXTERIOR DRAIN21
TO TEST HEADER22
8" ISOLATION VALVE (NORMALLY CLOSED)23
10/01/2025
| Sheets |
| FX400 - ENLARGED FIRE PUMP ROOM |
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