Section 507.5 of the IFC is amended as follows:

507.5 Fire hydrant systems. Fire hydrant systems shall comply with Sections 507.5.1 through 507.5.6.

507.5.1 Where required. Where a portion of the facility or building hereafter constructed or moved into or within the jurisdiction is more than 400 feet from a hydrant on a fire apparatus access road, as measured by an approved route around the exterior of the facility or building, on-site fire hydrants and mains shall be provided where required by the building official/fire marshal. Fire hydrant locations shall be marked with a stake, flagging or other approved means by a land surveyor registered by the State of Washington, and the locations approved prior to installation. Fire hydrant systems shall be installed, tested and approved prior to beginning combustible construction.

Exceptions:

1. For group R-3 and Group U occupancies, the distance requirement shall be 600 feet (183 m).

2. For buildings equipped throughout with an approved automatic sprinkler system installed in accordance with Section 903.3.1.1 or 903.3.1.2 the distance requirement shall be 600 feet.

507.5.2 Inspection, testing and maintenance. Newly installed fire hydrants shall be flow tested by an approved testing agency in the presence of the building official/fire marshal or designee, to verify the systems ability to provide the required fire flow prior to final approval. Fire hydrant systems shall be subject to periodic tests as required by the building official/fire marshal. Fire hydrant systems shall be maintained in an operative condition at all times and shall be repaired where defective. Additions, repairs, alterations and servicing shall comply with approved standards.

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507.5.7 Type of hydrant. Standard hydrants shall have not less than five inch main valve openings with two, two and one-half inch outlets and one, four and one-half inch outlet. Hydrants shall comply with city of Gig Harbor public works standards. All four and one-half inch outlets shall be equipped with five inch Storz fittings.

507.5.8 Fire hydrant system installations. Hydrant systems shall be installed in accordance with city of Gig Harbor Public Works Standards and NFPA 24, Standard for the Installation of Private Fire Service Mains and Their Appurtenances. Hydrants shall stand plumb and be set to finished grade. The bottom of the lowest outlet shall be no less than 18 inches above the finished grade and the bottom of the ground flange shall be no less than 1" above finished grade. The five inch Storz fitting shall face the roadway.

507.5.9 Backflow prevention. When required by the water purveyor, private fire hydrant systems shall be separated from the public water system with an approved detector check valve installed in accordance with the manufacturer’s installation instructions and purveyor’s standards.