21 12 00 FIRE-SUPPRESSION STANDPIPES
- Former user (Deleted)
Owned by Former user (Deleted)
.01 Standpipe Systems
- Standpipe systems should be wet pipe systems.
- Provide control valves on all risers and branches with three or more hose outlets.
- Riser control valves shall be located with the approval of the University.
- Branch piping for hose valve shall be minimum 2 1/2" for maximum of 20 feet.
- Provide 2 1/2" hose valves with 1 1/2" threaded reducers with chained caps.
- Hose valves shall be located so that all floor areas are within 100 feet of hose using a 30-foot hose system.
- Provide water flow alarm devices and tamper switches.
- Installation shall comply with latest edition of NFPA 14 "Installation of Standpipe and Hose Systems" and FM Global Data Sheet 4-4N.
.02 Combination Systems
- In combination systems, sprinkler connections may be taken from the fire standpipe risers.
- Standpipe work (plumbing) will terminate in a control valve with tamper switch for the sprinkler connection.
- For alterations (adding sprinklers) in existing buildings, insure the minimum acceptable water supply for the combined system.
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