UFC 3-600-01
17 April 2003
with change 16 January 2004
analysis, including hydraulic calculations and flow test, must be performed on the
sprinkler system to ensure that the water supply is still adequate for the system
with the backflow preventer. If the backflow preventer causes the demand to
exceed the water supply, the backflow preventer must not be installed until the
water supply is corrected to support the new demand.
3-7.5.3
Test Connection. When backflow preventers are installed in fixed
fire protection systems, test connection must be provided downstream of all
backflow prevention valves for flow tests at system demand.
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