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Hydrant pressure: The Seattle Fire Department requires that hydrants operate at a minimum residual pressure of 20 psi. Design and construction of fire protection features should comply with Seattle Fire Code and the Standard Plans and Specifications.
Hydrant resets, relocations and adjustments: Any hydrant resets, relocations and/or adjustments will be identified during the design approval process or with construction scheduling. These changes require 4-6 weeks advance notice. Please contact SPU Customer Service at 684-5800.
Fire flow requirements: The Seattle Fire Department and SPU Engineering will authorize all designs impacting fire flow. The following requirements apply, however they are general and should be confirmed with the Fire Department.:
- Required FF 1000 gpm (single family)
- Required FF 4000 gpm (commercial)
- Required FF 8000 gpm (major institution)
Fire hydrant Locations: Fire hydrant locations must conform to Standard Specification 7-14 and Standard Plan 314.
Use of fire hydrants under non-firefighting conditions: Temporary use of a hydrant by private individuals, businesses or organizations will be allowed under certain conditions. To this extent, Seattle Public Utilities will control use of all hydrants within the distribution system. A temporary water service from the distribution system, for less than six months, may be authorized via a hydrant use permit or hydrant use meter issued by SPU Customer Service. For information regarding Hydrant Permits please contact the SPU Customer Service.
Reference: http://www.seattle.gov/util/Services/Water/WaterRates/index.asp.
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