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// CODE SNIPPET

5005.1.12 Emergency Isolation

California Fire Code 2019 > 50 Hazardous Materials — General Provisions > 5005 Use, Dispensing and Handling > 5005.1 General > 5005.1.12 Emergency Isolation
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Where gases or liquids having a hazard ranking of Health Class 3 or 4, Flammability Class 4 or Instability Class 3 or 4 in accordance with NFPA 704 are carried in pressurized piping above 15 pounds per square inch gauge (psig) (103 kPa), an approved means of leak detection and emergency shutoff or excess flow control shall be provided. Where the piping originates from within a hazardous material storage room or area, the excess flow control shall be located within the storage room or area. Where the piping originates from a bulk source, the excess flow control shall be located as close to the bulk source as practical.

Exceptions:

  1. Piping for inlet connections designed to prevent backflow.
  2. Piping for pressure relief devices.

Related Code Sections


5005.1.12 Hazardous Materials — General Provisions, Emergency Isolation
are carried in pressurized piping above 15 pounds per square inch gauge (psig) (103 kPa), an approved means of leak detection and emergency shutoff ...
California Fire Code 2019 > 50 Hazardous Materials — General Provisions > 5005 Use, Dispensing and Handling > 5005.1 General > 5005.1.12 Emergency Isolation
1227.12.3.5 Interior Environment, Adjoining Toilet Facilities
Each isolation room shall have its own toilet room facilities with an emergency nurse call system, a lavatory, a shower providing a seat or a space ...
California Building Code 2016 (Vol 1 & 2) > 12 Interior Environment > 1227 [OSHPD 4] Correctional Treatment Centers > 1227.12 Nursing Service Space > 1227.12.3 Airborne Infection Isolation Rooms > 1227.12.3.5 Adjoining Toilet Facilities
1224.14.3.6 Interior Environment, Adjoining Toilet Room
Each isolation room shall have its own directly accessible toilet room with an emergency nurse call system, a lavatory, a shower providing a seat ...
California Building Code 2016 (Vol 1 & 2) > 12 Interior Environment > 1224 [OSHPD 1] Hospitals > 1224.14 Nursing Service Space > 1224.14.3 Airborne Infection Isolation Rooms > 1224.14.3.6 Adjoining Toilet Room
1315.2.2 Health Care Facilities and Medical Gas and Medical Vacuum Systems, Isolation
A pressure-relief valve shall not be isolated from its intended use by a valve ...
California Plumbing Code 2019 > 13 Health Care Facilities and Medical Gas and Medical Vacuum Systems > 1315.0 Pressure-Regulating Equipment > 1315.2 Pressure Relief Valves > 1315.2.2 Isolation
1316.2.3 Health Care Facilities and Medical Gas and Medical Vacuum Systems, Isolation
A pressure-relief valve shall not be isolated from its intended use by a valve ...
California Plumbing Code 2016 > 13 Health Care Facilities and Medical Gas and Medical Vacuum Systems > 1316.0 Pressure-Regulating Equipment > 1316.2 Pressure-Relief Valves > 1316.2.3 Isolation
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