Title 15 BUILDINGS AND CONSTRUCTION ... - City of Sand City

and at no greater than 1,320-foot intervals. The minimum turning radius for a turnaround shallbe forty feet (40') from the center line of the road. If a hammerhead/T is used, the top of the ‘T’shall be a minimum of 60 feet in length.SECTION M103. DRIVEWAYS, GATES, AND BRIDGESM103.1 Driveways. (Fire 007) Driveways shall not be less than twelve feet (12') wideunobstructed, with an unobstructed vertical clearance of not less than fifteen feet (15'). Thegrade for all driveways shall not exceed fifteen percent (15%) with a maximum slope of fivepercent (5%). Where the grade exceeds eight percent (8%), a minimum structural roadwaysurface of 0.17-feet of asphaltic concrete on 0.34-feet of aggregate base shall be required. Thedriveway surface shall be capable of supporting the imposed load of fire apparatus (22-tons), andbe accessible by conventional-drive vehicles, including sedans. For driveways with turns of 90degrees and less, the minimum horizontal inside radius of curvature shall be twenty-five feet(25'). For driveways with turns greater than 90 degrees, a minimum horizontal inside radiuscurvature shall be twenty-eight feet (28'). For driveway turns, an additional surface of four feet(4') shall be added. All driveways exceeding 150-feet in length, but less than 800-feet in length,shall provide a turnout near the midpoint of the driveway. Where the driveway exceeds 800-feet,turnouts shall be provided at no greater than 400-foot intervals. Turnouts shall be a minimum oftwelve feet (12') wide and thirty feet (30') long with a minimum of twenty-five foot (25') paper atboth ends. Turnarounds shall be required on driveways in excess of 150-feet of surface lengthand shall long with a minimum twenty-five foot (25') taper at both ends. Turnarounds shall berequired on driveways in excess of 150-feet of surface length and shall be located within fiftyfeet (50') of the primary building. The minimum turning radius for a turnaround shall be fortyfeet (40') from the center line of the driveway. If a hammerhead/T is used, the top of the ‘T’shall be a minimum of sixty feet (60') in length.M103.2. Gates. (Fire 008) All gates providing access from a road to a driveway shall be locatedat least thirty feet (30') from the roadway and shall open to allow a vehicle to stop withoutobstruction traffic on the road. Gate entrances shall be at least the width of the traffic lane, but inno case less than twelve feet (12') wide. Where a one-way road with a single traffic laneprovides access to a gated entrance, a forty foot (40') turning radius shall be used. Where gatesare to be locked, the installation of a key box or other acceptable means for immediate access byemergency equipment may be required.M103.3. Bridges. (Fire 009) All new and reconstructed bridges shall be at least the width of theroadbed and berms, but in no case less than twelve feet (12') wide. Bridge width on all roadsexceeding tertiary standards shall not be less than the width of the two lanes with berms. Allbridges shall be designed for HS15-44 loading and have guardrails. Appropriate signs, includingbut not limited to, weight ratings or vertical clearance limitations, and one-way road or singlelaneroad conditions, shall be provided at both entrances to any bridge. One-lane bridges may bepermitted if there is unobstructed visibility across the entire bridge, and turnouts are provided atboth bridge ends. The fire authority may impose more stringent requirements for bridges.