NFPA NFPA-CWBSP - Questions & Answers

The contract document states that the fire sprinkler system must be capable of protecting Cartoned Nonexpanded Group A plastic stored on wood pallets to a height of 25 ft (7.6 m) under a 35 ft (10.7 m) high ceiling using K16.8 (240) ESFR sprinklers.

What is the minimum operating pressure?

What is the maximum pressure rating when using standard weight pattern malleable iron fittings that are 6 in.
(150 mm) in size and smaller?

When field acceptance testing a fire pump with a variable speed pressure limiting control, the pump shall be tested in variable speed mode at ___

What is the maximum floor area that can be protected by a single ordinary hazard sprinkler system?

What is the maximum distance of the top of the post on a post indicator valve from final grade?

According to NFPA 13, for a high rise building sprinklered throughout, that has four stairwells, each with a standpipe and hose valves, and has a Class I standpipe system, what is the maximum flow rate required to be calculated?

What ASTM standard covers the manufacture of chlorinated polyvinyl chloride (CPVC) pipe, allowed to be used in fire sprinkler systems?

Using the Hazen-Williams formula, determine the friction loss in 150 ft (45.7 m) of 1 in. (25 mm) black steel schedule 40 pipe, flowing 30 gpm (115 lpm) in a wet system.

What piping material is acceptable for the suction and discharge piping pressure maintenance pumps?

What is the equivalent length of a 45?
elbow of 6 in (150 mm) Schedule 10 pipe?