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to commencing operations. Please contact the hazardous materials staff at 925/454 -2332. 157. The Fire Prevention Bureau reviews building /civil drawings for conceptual on -site fire mains and fire hydrant locations only. Plan check comments and approvals DO NOT INCLUDE: a. Installation of the on -site fire mains and fire hydrants. Specific installation drawings submitted by the licensed underground fire protection contractor shall be submitted to the Fire Prevention Bureau for approval. b. Backflow prevention or connections to the public water mains. 158. Emergency vehicle access roads: • Shall be a minimum of 20 feet in width. A clear height free of obstructions (power, cable, telephone lines, tree limbs, etc.) shall be provided. This clearance shall be a minimum of 13 feet -6 inches. Inside tuming radius of 41 feet and outside turning radius of 52 feet shall be provided. • All exterior portions of buildings must be within 200 feet of an access road. Yard and parking areas may be able to be located farther than 200 feet from access roads, depending on the specific use. • On -site access ways and internal drives shall be designated as fire lanes and identified as such by red curb striping and posted with signs at locations approved by the Fire Department. Signs shall be according to state standards and read "No Parking - Fire Lane" and must be shown on the plans. 159. Fire department aerial apparatus: • Buildings or portions of buildings or facilities exceeding 30 feet (9144 mm) in height above the lowest level of fire department vehicle access shall be provided with approved fire apparatus access roads capable of accommodating fire department aerial apparatus. Fire apparatus access roads shall have a minimum unobstructed width of 26 feet in the immediate vicinity of any building or portion of building more than 30 feet (9144 mm) in height. At least one of the required access routes meeting this condition shall be located within a minimum of 15 feet (4572 mm) and a maximum of 30 feet (9144 mm) from the building, and shall be positioned parallel to one entire side of the building. • The following schedule for NO PARKING signs shall apply: Width Requirements 36 Feet or Greater No Requirements Between 28 and 36 Feet Post one side Between 20 and 28 feet Post both sides Less than 20 feet Not permitted Aerial Ops - Width Requirements 42 Feet or Greater No Requirements Between 34 and 42 Feet Post one side PUD -106, Chrylser- Jeep -Dodge Page 29