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1.ASTM F 758—Standard Specification for Smooth-Wall Polyvinyl Chloride(PVC) <br /> Plastic Underdrain Systems for Highway,Airport or Similar Drainage <br /> 2.ASTM F 405—Standard Specification for Corrugated Polyethylene(PE)Pipe and <br /> Fittings <br /> E. Engineering Design <br /> 1. "NCMA Design Manual for Segmental Retaining Walls,"Third Edition <br /> F. Where specifications and reference documents conflict,the Wall Design Engineer shall <br /> make the final determination of applicable document. <br /> 1.03 Submittals <br /> A. Materials Submittals: The Contrac tAall sut6t manufacturers'certifications two weeks <br /> prior to start of work stating that the SkW unl1w find geosynthdkic reinforcement meet the <br /> requirements of Section 2 of this specification. <br /> B. Design Submittal: The Contractor shall submit two sets of detailed design calculations and <br /> final retaining wall plans for approval at least two weeks prior to the beginning of wall <br /> construction.All calculations and drawings shall be prepared and sealed by a professional <br /> Civil Engineer(P.E.)—(Wall Design Engineer)experienced in SRW design and licensed in <br /> the state where the wall is to be built. <br /> 1.04 Delivery,Storage and Handling <br /> A. Contractor shall check materials upon delivery to ensure that the specified type and grads <br /> of materials have been received and proper color and texture of SRW units have been <br /> received. <br /> B. Contractor shall store and handle materials in accordance with manufacturer's <br /> recommendations and in a manner to prevent deterioration or damage due to moisture, <br /> temperature changes, contaminants,corrosion, breaking, chipping or other causes. <br /> C. Contractor shall prevent excessive mud,wet concrete, epoxies and similar materials that <br /> may affix themselves from coming in contact with materials. <br /> D. Contractor shall protect materials from damage; no damaged material shall be incorporated <br /> into the segmental wall. <br /> E. Geosynthetic shall be protected from UV exposure and the protective covering on <br /> geosynthetic shall remain until immediately before installation and shall be stored at <br /> temperatures above-10 degrees F. <br /> PART 2: MATERIALS <br /> 2 <br />