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.01 General Requirements
- Size fire pumps as required by the local code, the fire chief or fire marshal, or FM Global, whichever is greater.
- For motor-driven pumps, select 3,500 rpm rather than 1,750 rpm whenever a choice is available.
- Refer to NFPA Standard 20 for data on fire pumps.
- Fire-pump heads shall include the pressure required at the top of the system, total system height, system friction, and the minimum available suction pressure.
- When no emergency generators are being provided in the project, check with the underwriters if an engine drive is required for the fire pump. The University prefers diesel engine drive.
- Provide fire pumps with a valved cross-connection between discharge and suction (inside the control valves) for testing.
- 3 inch for 500 gpm pump.
- 4 inch for 750 gpm and larger pump.
- Fire pump relief valves, when required, should be piped back into the suction.
- Check the local code NFPA Standard 20, and FM Global Data Sheets 3-7N for the fire pump room construction.
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