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.01 Standpipe Systems
  1. Standpipe systems should be wet pipe systems.
  2. Provide control valves on all risers and branches with three or more hose outlets.
  3. Riser control valves shall be located with the approval of the University.
  4. Branch piping for hose valve shall be minimum 2 1/2" for maximum of 20 feet.
  5. Provide 2 1/2" hose valves with 1 1/2" threaded reducers with chained caps.
  6. Hose valves shall be located so that all floor areas are within 100 feet of hose using a 30-foot hose system.
  7. Provide water flow alarm devices and tamper switches.
  8. 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
  1. In combination systems, sprinkler connections may be taken from the fire standpipe risers.
  2. Standpipe work (plumbing) will terminate in a control valve with tamper switch for the sprinkler connection.
  3. For alterations (adding sprinklers) in existing buildings, insure the minimum acceptable water supply for the combined system.

21 13 00 FIRE-SUPPRESSION SPRINKLER SYSTEMS

.01 Sprinklers
  1. Sprinklers should be wet pipe systems except where project requirements dictate otherwise.
  2. Sprinkler work should include water-flow alarm devices and tamper switches.
  3. Provide tamper switches on control valves when required by code, by the underwriters, or the owner.
  4. Sprinkler systems shall be in accordance with NFPA 13 and FM Global Data Sheet 2-8N.  Sprinkler systems shall have:
    1. An automatic water supply of adequate pressure, capacity, and reliability.
    2. Definite maximum protection area per sprinkler and indicated on the drawings with a schedule of location, type, coverage and sprinkler size.
    3. Location of sprinklers coordinated with all other trades to provide clearances and obtain suitable sensitivity.  Close proximity to possible interferences shall be indicated on the drawings.
    4. Coordinate with architect's reflected ceiling plan.
  5. Either hydraulic calculations or pipe schedule tables shall be utilized for system design.  All calculations, flow data, and other design criteria shall be submitted for review.

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