2.2.11
Test Connections
2.2.11.1
Inspector's Test Connection for Preaction Systems
Provide test connections approximately 2 meters 6 feet above the floor for
each sprinkler system or portion of each sprinkler system equipped with an
alarm device; locate at the hydraulically most remote part of each system.
Provide test connection piping to a drain location that can accept full
flow where the discharge will be readily visible and where water may be
discharged without property damage. [Discharge to a floor drain shall be
permitted only if the drain is sized to accommodate full flow.] Discharge
to janitor sinks or similar fixtures shall not be permitted. Provide
discharge orifice of same size as corresponding sprinkler orifice. [The
penetration of the exterior wall shall be no greater than [2 feet0.61 meter
] [_____] above finished grade.]
[2.2.11.2
Backflow Preventer Test Connection
Provide downstream of the backflow prevention assembly listed hose valves
with 65 mm 2.5 inch National Standard male hose threads with cap and chain.
Provide one valve for each 250 gpm 16 L/s of system demand or fraction
thereof. Provide a permanent sign in accordance with paragraph entitled
"Identification Signs" which reads, "Test Valve."
]2.2.12
Main Drains
Provide separate drain piping to discharge at safe points outside each
building [or] [to sight cones attached to drains of adequate size to
readily receive the full flow from each drain under maximum pressure].
Provide auxiliary drains as required by NFPA 13. Provide precast concrete
splash block under each exterior drain discharge. [The penetration of the
exterior wall shall be no greater than [2 feet0.61 meter s] [_____] above
finished grade.] [Main drain shall also serve as the backflow preventer
test connection. Site main drain pipe and valve to support flow at system
demand.]
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
Excess Pressure Pump
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NOTE: Use pump only when building water supply is
subject to extreme water pressures.
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Provide pumps on each sprinkler piping riser. Pumps shall be of the
positive displacement, gear type rated at 63 mL/s one gpm, integrally
mounted with motor. Pump and motor unit shall be approved for automatic
wet pipe fire extinguishing sprinkler systems and shall be complete with
pilot light panel, differential motor control switch, high pressure switch,
and low pressure switch. Provide electrical power supply connections for
pump and pilot light panel at the supply side of building service panel;
provide a separate fused safety-type switch with locked lever for each
SECTION 13930N
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