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• <br /> 8. Bridge Decking: Concrete(Non-Composite) (Deck forms are shopinstalled ready to receive a <br /> field-poured reinforced concrete deck by others.) <br /> 9. Railing Type: Horizontal Rails - 4-inch Max Opening <br /> 10. Railing Height: 54 inches <br /> 11. Included Options: Pratt Truss (Tension Diag Only); Plumb End Vertical; Cover Plates; Rubrail- <br /> IPE; Toe Plate <br /> 12. Addendum 4 Page 2 CITY OF EVERETT • 3200 Cedar Street • Everett, WA 98201 • (425) 257- <br /> 8800 Fax(425) 257-8882 <br /> 13. Bearings: Bearing assemblies included. <br /> 14. Preliminary Superstructure Weight: 20,000 lbs. <br /> 15. Shop drawings will be provided, signed and sealed by a Professional Engineer registered in <br /> the State of Washington. <br /> The Vendor is issuing the following dimension and weight disclaimer: <br /> 1. All dimensions and weights listed in this proposal are approximate and are subject to <br /> change upon final design parameters and customer approval of engineered submittal <br /> drawings. <br /> 2. Final dimensions and weights will be noted on customer approved submittal drawings. <br /> The Vendor notes the following items are NOT included with their proposal: <br /> 1. third party inspections at any time during the project duration, <br /> 2. design, excavation and construction of bridge abutments, <br /> 3. anchor bolt design, supply and installation, <br /> 4. unloading and assembly of bridge at the project site, <br /> 5. supply and placement of reinforced concrete deck (if applicable), <br /> 4.4 Structural Design <br /> The East Clearwell roof system and all roof system structural components shall be designed in <br /> accordance with IBC 2015 and all codes and standards referenced therein. Structural design shall <br /> be for Risk Category IV per Table 1.5-1,ASCE 7-10. <br /> Roof system structures shall be designed to withstand the following loads, at a minimum: <br /> • Dead load: Weight of all roof components and elements supported from the roof <br /> • Uniform Live load: 25 pounds per square foot <br /> • Concentrated Live Load: 300 pounds on a one-foot square area <br /> • Snow load and frost depth:As specified by the City of Everett Building Department <br /> • Seismic and wind loads: As specified in the IBC 2015 and ASCE 7-10. <br /> The structural design shall not cause settlement or movement of the clearwell building structures <br /> and shall not cause leakage. <br /> City of Everett September 13,2017 <br /> Water Filtration Plant Clearwell Roof Replacement DB Project Supplementary Conditions Page 10 <br />