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CITY OF EVERETT <br /> CHAPLAIN BRIDGE INSTALLATION DETAILS,SPECIFICATIONS,AND REQUIREMENTS <br /> 3.3 Lower Steel Clearance <br /> The distance from the top of the deck(measured from the highest point of the deck)to the bottom <br /> of any steel member shall not exceed 2'-8". <br /> 3.4 Rail Height <br /> 3.4.1 Top of rail shall be a minimum 2'-7"above the top of the wearing surface for vehicular <br /> traffic only. <br /> 3.5 Camber <br /> 3.5.1 A single simple-span bridge shall have a vertical camber dimension at the mid-span equal <br /> to 100%of the anticipated full dead load deflection. If beam mill camber is adequate to <br /> accommodate full dead load deflection,then indicate so on drawings. <br /> 3.6 Elevation Difference <br /> 3.6.1 The top of the decks at each end of the bridge shall be constructed with a vertical <br /> elevation difference of 0'-6". <br /> 4.0 STRUCTURAL DESIGN LOADS <br /> 4.1 Dead Load <br /> 4.1.1 The bridge structure shall be designed for the total bridge weight plus an additional <br /> allowance of 80 pounds per square foot total wearing surface. <br /> 4.2 Vehicle Load(VL) <br /> 4.2.2 Bridge shall be designed for one lane of traffic,supporting HL-93 vehicle plus Dynamic <br /> Load Allowance. <br /> 4.2.3 The design ADTT(Average Daily Truck Traffic)shall be as determined during design by <br /> Bridge Supplier's Engineering Department. <br /> 4.3 Owner Specified Vehicle(OVL) <br /> 4.3.2 Bridge shall also be designed for a U-80 Off-Road Logging Truck Overload. <br /> 4.4 Wind Load(WS) <br /> 4.4.1 Bridge shall be designed for a 50 pounds per square foot wind load applied horizontally <br /> against the height of the stringer plus the side dam. <br /> 4.5 Fatigue Load(FL) <br /> 4.5.1 The fatigue loading shall be as specified in AASHTO LRFD Bridge Design <br /> Specifications,current edition. <br /> 4.6 Railing Loads(RL) <br /> 4.6.1 Traffic rail shall be designed in accordance with AASHTO LRFD Bridge Design <br />