2.20.10
Escutcheon Plates
Provide one piece or split hinge type plates for piping passing through
floors, walls and ceilings, in both exposed and concealed areas. Provide
chromium plated metal plates where pipe passes through finished ceilings.
Provide other plates of steel or cast iron with aluminum paint finish.
Securely anchor plates in place.
2.20.11
Fire Department Inlet Connections
[Two] [Three] way type with 65 mm 2 1/2 inch National Standard female hose
threads with plug, chain, and identifying fire department connection
escutcheon plate. Provide inlet connections about one meter 3 feet above
grade.
2.20.12
Backflow Preventers
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NOTE: When the water supply for the AFFF system is
non-potable water delete this paragraph.
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Reduced pressure principle type. Proof shall be furnished that each make,
model/design, and size of backflow preventer being furnished for the
project is approved by and has a current "Certificate of Approval" from the
FCCCHR List. Listing of the particular make, model/design, and size in the
current FCCCHR List will be acceptable as the required proof.
2.21
BURIED PIPING SYSTEMS
2.21.1
Pipe and Fittings
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NOTE: For pipe sizes larger than 305 mm 12 inches,
method for pipe anchorage including pipe clamps and
the rods shall be shown on the drawings. Avoid
velocities greater than 4.60 meters per sec 15
ft./sec.
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NOTE: Select first bracketed phrase for connection
to an existing water distribution system located a
short distance from the building. Select second
bracketed phrase when a new water distribution line
is being provided as part of this project. For new
water distribution system, select and edit Section
02510, "Water Distribution" and include as part of
the project specification.
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NFPA 24, outside coated cement lined ductile iron pipe and fittings for
piping under the building and to a point 1.50 meters 5 feet outside the
building walls. Anchor the joints in accordance with NFPA 24 using pipe
clamps and steel rods. Minimum pipe size shall be 150 mm 6 inches.
Minimum depth of cover shall be [_____] [one meter] [3 feet]. Piping more
than 1.50 meters 5 feet outside the building walls shall be [outside coated
cement lined ductile iron pipe and fittings conforming to NFPA 24]
[provided under Section 02510 WATER DISTRIBUTION].
SECTION 13956N
Page 35
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