Verified Answers 2026/2027 New Update
Roof Manifold - answer -At the top of the highest riser there shall be provided, above the main
roof level, a three
way manifold equipped with three 2 1/2 in. hose valves with hose valve caps. The
manifold may be set in a horizontal or vertical position, provided the hose outlets are set
back between 18 in. and 60 in. above the roof level.
Fire Department Connection ( automatic standpipe systems) - answer -a connection through
which the fire department can
pump supplemental water into the sprinkler system, standpipe or other system furnishing
water for the fire extinguishment to supplement existing water supplies
Fire Department Connection (manual standpipe systems) - answer -a connection through which
the fire department can pump
the primary water supply to the manual standpipe system at the required system demand.
Water flow Alarms - answer -Water flow alarms and fire alarms give warning of the actual
occurrence of a fire or other
conditions such as broken piping
1|Page
, Pressure Tank Alarms - answer -All pressure tanks used to provide the required primary water
supply of a sprinkler system
should be equipped with a high and low air pressure, and a high and low water level
electrical alarm system. This alarm system automatically controls the air-to-water ratio
which should always be 1 to 2
Alarm Retarding Devices - answer -An alarm check valve that is exposed to changing water
supply
pressure needs an alarm-retarding device. This is required to prevent unwarranted alarms
when the check valve clapper is lifted from its seat by a temporary pressure surge.
Check Valves - answer -is used to prevent water from flowing in the opposite direction. A check
valve is a type of valve which only permits flow in one direction
Swing Check Valves - answer -allows full, unobstructed flow and automatically closes as
pressure decreases; normally used in systems using a gate valve because of the low pressure
drop
across the valve
Alarm check Valves - answer -designed to initiate
an alarm by a drop in water pressure in the standpipe system
2|Page