15.12.507.5.1 Amendment of Section 507.5.1.

Section 507.5.1 of the International Fire Code is amended to read as follows:

507.5.1 Required Installations. The location, number, and type of fire hydrants connected to a water supply capable of delivering the required fire flow shall be provided on the public street or on the site of the premises or both to be protected in accordance with this section. Fire hydrants shall be accessible to the fire department apparatus by roads meeting the requirements of Section 503.

507.5.1.1 Hydrants for fire sprinkler and standpipe systems. Buildings equipped with a fire sprinkler and/or standpipe system installed in accordance with Chapter 9 shall have a fire hydrant within 100 feet (30 m) of the fire department connections. Exception: The distance shall be permitted to exceed 100 feet (30 m) where approved by the fire code official.

507.5.1.2 Number of Hydrants. The number of fire hydrants required shall be one fire hydrant for the first 1,750 gallons and one hydrant for each subsequent 1,000 gallons per minute of required fire flow or portion thereof. Except for Group R Division 3 Occupancies or when otherwise exempted by the fire marshal, a property which is protected with an automatic fire sprinkler system shall be provided with a minimum of two (2) fire hydrants.

507.5.1.3 Location of Fire Hydrants. The location of fire hydrants provided on public or private streets or on site premises shall be approved by the appropriate Fire District Chief, or his designee. Lateral spacing between hydrants shall be measured along approved fire apparatus access routes.

507.5.1.4 Plans. Detailed plans or drawings accurately indicating the location of water mains, valves and fire hydrants shall be submitted with the water surveyor’s approval prior to installation.

507.5.1.5 Spacing (other than R-3 and U). Fire hydrants serving buildings or portions of buildings or other premises, facilities or uses other than one and two family dwellings and Group U Occupancies shall have a maximum lateral spacing not to exceed 300 feet as a condition of building permit approval, site plan review or change in use. Exception: where the building, facility or premises is protected by an approved automatic sprinkler system or other automatic fire suppression system as approved by the Fire Marshal, the spacing requirements may be modified if in the opinion of the Fire Marshal and the District Chief, or his designee, the level of fire protection is not reduced.

507.5.1.6 Spacing (R-3). Fire hydrants serving one or two family dwellings shall have a maximum lateral spacing of 700 feet with no lot or parcel in excess of 500 feet from a fire hydrant as a condition of approval for residential subdivision or short subdivision. Exception: where the buildings are protected by an approved automatic sprinkler system, the spacing requirements may be modified, if in the opinion of the Fire Marshal and the District Chief or his designee, the level of fire protection is not reduced.

507.5.1.7 Fire hydrant accessibility. All fire hydrants, public or private, must remain accessible for fire department use at all times.

507.5.1.8 Fire hydrant availability. On-site fire hydrants and water supplies on adjacent property shall not be considered available unless fire apparatus access roads, provided in accordance with Section 503, connect the properties and easements are established to prevent their obstruction.

507.5.1.9 Fire hydrants—arterial access. Fire hydrants located on the opposite side of roadways, defined as arterials by the Clark County Comprehensive Plan shall not be considered in the fire hydrant placement requirements, unless specifically approved by the applicable Fire District Chief or his designee.

507.5.1.10 Fire district approvals. Where variances are approved by District Chiefs, as outlined in this section, the applicant shall memorialize the variance in writing with the Fire Marshal or designee before it is effective.

507.1.11 Fire Hydrant Requirements. Fire hydrants shall conform to the minimum standards outlined in the “Clark County Coordinated Water System Update.”

507.5.1.12 “Storz” adapters required. Fire hydrants shall be provided with appropriate “Storz” type adapters for the pumper connection, unless this provision is waived by the District Chief.

507.5.1.13 Water Main Size. Water mains shall be installed in accordance with the “Clark County Coordinated Water System Plan Update.” When the required fire flow exceeds 2,500 gallons per minute, a minimum of three fire hydrants supplied by a looped water main shall be required.

(Sec. 15 of Ord. 1996-02-02; amended by Sec. 1 (Exh. A) of Ord. 2004-06-05; amended by Sec. 34 of Ord. 2007-06-19; amended by Sec. 1 of Ord. 2010-06-15; amended by Sec. 17 of Ord. 2013-07-07; amended by Sec. 26 of Ord. 2016-07-02. Formerly 15.12.508.5.1)