4.16 Sprinkler Systems in Live/Work Occupancies

Reference: S.F. Building Department Code Ruling: BC-502-1, NFPA 13

An approved sprinkler system is required throughout R-1 Live/Work occupancies. The system shall meet the following guidelines:
1. The design criteria shall be Ordinary Hazard Group II as prescribed in N.F.P.A. 13.
2. Quick response sprinkler heads that are listed for the Ordinary Hazard Occupancies shall be used.

GENERAL INFORMATION:
The design criteria of Ordinary Hazard Group II eliminates the use of either NFPA 13D or NFPA 13R as they deal only with light hazard occupancies. The criterion also excludes the use of residential sprinkler heads or plastic pipe as neither is currently listed for use in this hazard classification.