2.2.13
Fire Department Connections
Provide [[4] [_____] inch[100] [_____] mm single [Storz] [_____] type]
connections approximately one meter 3 feet above finish grade, of the
approved two-way type with 65 mm 2.5 inch National Standard female hose
threads with plug, chain, and identifying fire department connection
escutcheon plate.
2.2.14
Tank Mounted Air Compressor
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NOTE: Air pressure is required for supervision of
pneumatic tubing or piping for pneumatically-
operated deluge or preaction sprinkler systems and
for sprinkler piping of preaction systems.
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Provide an approved, automatic type, electric motor-driven air compressor
including pressure switch, air piping, and [_____] [38 liter] [10 gallon]
minimum capacity tank. Compressor shall have a minimum capacity capable of
charging the complete sprinkler system to normal system air pressure within
30 minutes and within 15 minutes for the pneumatic detection system.
Provide an approved automatic air maintenance device for each system.
2.3
BURIED WATER PIPING SYSTEMS
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NOTE: Minimum depth of cover shall comply with NFPA
24.
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2.3.1
Pipe and Fittings
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NOTE: Last bracketed sentence for Section 02510,
refer to Short Form Section 02510, "Exterior Water
Distribution System (Minor Construction)."
**************************************************************************
Provide outside-coated, cement-mortar lined, ductile-iron pipe, and
fittings conforming to NFPA 24 for piping under the building and outside of
building walls. Anchor joints in accordance with NFPA 24. Provide
concrete thrust block at the elbow where the pipe turns up toward the
floor, and restrain the pipe riser with steel rods from the elbow to the
flange above the floor. Minimum pipe size shall be 150 mm 6 inches.
Minimum depth of cover shall be [_____] [one meter] [3 feet] at finish
grade. [Piping beyond 1.50 meters 5 feet outside of building walls shall
be provided under Section 02510 EXTERIOR WATER DISTRIBUTION SYSTEM MINOR
CONSTRUCTION.]
2.3.2
Valves
Provide as required by NFPA 24. Gate valves shall conform to UL 262 and
shall open by counterclockwise rotation.
2.3.3
Post Indicator Valves
Provide with operating nut located about one meter 3 feet above finish
grade. Gate valves for use with indicator post shall conform to UL 262.
SECTION 13945N
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