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Fire Department Water Supply

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The effectiveness of fire suppression is directly related to the proper installation and maintenance of a fire department water supply system. The following information details the installation and maintenance of a fire department water supply system. 


2019 Oregon Fire Code as amended by the City of Hillsboro (COH) HMC 11.28.010 §105, 501, 507, Appendix B and C

2016 Edition of NFPA 13, 14 & 24

Oregon Revised Statue (ORS) 811.550(16)

2009 Edition of Manual on Uniform Traffic Control Devices (MUTCD)

City of Hillsboro Public Works Design and Construction Standards


Guard Post – Protective barriers constructed of steel and concrete to provide vehicle impact protection.
Fire Flow –The flow rate of a water supply, measured at 20 pounds per square inch (psi) residual pressure, that is available for firefighting purposes.
Fire Protection Water Supplies – A system of water mains and appurtenances that supply firefighting and/or fire protection systems.
Public Hydrant – Fire hydrant installed and maintained by a water purveyor.
Private Hydrant – Fire hydrant that is located within the property line and is usually privately owned and maintained. Note: There are instances where onsite hydrants are publicly owned and maintained by a water purveyor.
Type of Construction – Determined by the Oregon Structural Specialty Code, Chapter 6.
Water Purveyor – The City of Hillsboro Water Department or Tualatin Valley Water District (TVWD).

Plan Review
Fire Department Connection
Post Indicator Valve