NFPA Exam CWBSP Topic 2 Question 12 Discussion

Actual exam question for NFPA's CWBSP exam

Question #: 12
Topic #: 2

After reviewing an existing sprinkler system, it was determined that sprinklers were installed using NFPA 13 using the Ordinary Hazard Pipe Schedule method. The highest elevation of sprinklers is 28 ft (8.53m) and the system is fully monitored as specified by NFPA 13. What is the minimum pressure and flow required?

A500 gpm at 27 psi (1,900 L/min at 1.86 bar)

B850 gpm at 27 psi (3,200 L/min at 1.86 bar)

C500 gpm at 32 psi (1,900 L/min at 2.2 bar)

D850 gpm at 32 psi (3,200 L/min at 2.2 bar)

Show Suggested Answer

Suggested Answer: B

For a warehouse with the described characteristics, a design density of 0.33 gpm/ft is a common requirement to ensure adequate protection for Class III commodities on wooden pallets, taking into account the storage configuration and commodity type.

by Chaya at Mar 19, 2025, 03:11 PM

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