503.1 Where required. Fire apparatus access roads shall be provided and maintained in accordance with Chapter 12.04 of the City of Clyde Hill Municipal Code. Road structure shall be designed for a live load sufficient to carry the imposed loads of fire apparatus. |
503.1.1 Buildings and facilities. Approved fire apparatus access roads shall be provided for every facility, building or portion of a building hereafter constructed or moved into or within the jurisdiction. The fire apparatus road shall comply with the requirements of this section and shall extend to within 150 feet of all portions of the exterior walls of the first story of the building as measured by an approved route around the exterior of the building or facility. |
Exception: The fire code official is authorized to increase the distance up to 200 feet where: |
1. The building is equipped throughout with an approved automatic sprinkler system installed in accordance with Section 903.3.1.1, 903.3.1.2 or 903.3.1.3 of the International Fire Code. |
2. Fire apparatus access roads cannot be installed because of location on property, topography, waterways, nonnegotiable grades or other similar conditions, and an alternate means of fire protection and building or structure access is provided as approved by the fire code official. |
3. There are not more than two Group R-3 occupancies. |
503.1.2 The fire code official is authorized to require more than one fire apparatus road based on the potential for impairment of a single road by vehicle congestion, condition of terrain, climatic conditions or other factors that could limit access. |
503.1.3 High-piled storage. Fire department vehicle access to buildings used for high-piled storage shall comply with the applicable provisions of Chapter 23, International Fire Code. |
503.2 Specifications. Fire apparatus access roads shall be installed and arranged in accordance with this Section, and in accordance within the City of Clyde Hill Municipal Code. |
503.2.1 Dimensions. Fire apparatus access roads shall have an unobstructed width of not less than 20 feet, exclusive of shoulders. The minimum vertical clearance shall be not less than 13 feet 6 inches. |
Exceptions: |
1. New access roads serving not more than two Group R-3 or U occupancies shall have an unobstructed width of not less than 16 feet. |
2. Public streets shall be designed in accordance with the City of Clyde Hill Municipal Code. |
503.2.2 Authority. The fire code official shall have the authority to require an increase in the minimum access widths where they are inadequate for fire or rescue operations. |
The fire code official shall have the authority to allow a decrease in the minimum access widths where due to technical circumstances they are determined adequate for fire rescue operations. |
503.2.3 Surface. Fire apparatus roads shall be surfaced and maintained to provide all weather and non-slip driving capabilities. Surface materials shall be asphalt, concrete or other material approved by the fire code official and City of Clyde Hill Engineer. |
503.2.4 Turning radius. The turning radius of a fire apparatus access road shall be 28 feet minimum inside curb and 48 feet minimum outside curb. |
503.2.5 Dead ends. Dead-end fire apparatus access roads in excess of 150 feet in length shall be provided with an area for turning around fire apparatus as approved by the fire code official and building official, and shall be in accordance with City of Clyde Hill Municipal Code Title 16. |
Exception: The fire code official is authorized to increase the length up to 300 feet for driveways serving only one Group R-3 Occupancy. |
503.2.6 Bridges and elevated surfaces. Where a bridge or an elevated surface is part of a fire apparatus road, the bridge shall be constructed and maintained in accordance with the City of Clyde Hill Municipal Code Title and the State of Washington Building Code. Bridges and elevated surfaces shall be designed for a live load sufficient to carry the imposed loads of fire apparatus. Vehicle load limits are to be posted at all entrances to bridges when required by the fire code official. Posted signs are to be in accordance with City of Clyde Hill Municipal Code. Where elevated surfaces designed for emergency vehicle use are adjacent to surfaces which are not designed for such use, approved barriers, approved signs or both shall be installed and maintained when required by the fire code official. |
503.2.7 Grade. The grade of the fire apparatus access road, including private and public roads and driveways shall be in accordance with the City of Clyde Hill Municipal Code and the following: |
1. The grade of access for non-automatic sprinklered properties shall not exceed 12 percent longitudinally, and 5 percent laterally. |
2. The grade of access for automatic sprinklered properties shall not exceed 15 percent longitudinally, and 5 percent laterally. |
3. All grades of access in excess of 15 percent longitudinally require fire code official approval. Grades in excess of 5 percent laterally are not permitted. |
4. Grades of fire apparatus access roads for all properties which are in excess of 15 percent longitudinally shall have additional fire department access improvements installed and maintained as approved by the fire code official or building official including all-weather walking surfaces, lighting and handrails constructed in accordance with the International Building Code as adopted by the State of Washington. |
503.2.8 Angles of approach and departure. The angles of approach and departure for fire apparatus access roads shall be in accordance with the City of Clyde Hill Municipal Code, and within the limits established by the fire code official based upon the fire department's apparatus. |
503.3 Marking. Where required by the fire code official fire apparatus access roads shall be marked as follows: |
1. FIRE LANE - NO PARKING Signs shall be mounted a minimum of 60 inches above grade (80 inches if adjacent to a pedestrian pathway). Signs must be type "R8-31" or equivalent reflective sign no less than 12 inches x 18 inches in size, with a white background and the wording "No Parking Fire Lane" in red letters. When in a straight line of sight, these signs shall be no further than 150 feet apart. This distance may be reduced when curves, corners or other adverse sighting conditions restrict the line of sight. |
2. Designated fire department access roads ("Fire Lanes") shall be painted red. This shall include both vertical and horizontal portions of the curb. Minimum 3 inch white lettering which shall read: NO PARKING - FIRE LANE, shall be placed every 50 feet or portion thereof on the vertical portion of the curb. The entire curb length shall be painted. If there are rolled curbs or no curbs, stenciling shall be placed on pavement. |
Exception: Variations to Fire Lane markings may be approved when in the opinion of the fire code official the proposed signage and markings achieve the same outcome. The fire chief retains the right to revoke variations for cause. |
3. Fire apparatus access road markings shall be maintained. |