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' <br /> 1. Available Products: Snbject to compiiance with requirements, products that may <br /> ' be incorporated in the Work include,but are not limited to,the following: <br /> 2.. Products: Subject to compliance with requirements,provide one of the following: <br /> � I. Water-Reducing Admixture: ASTM C 494,Type A. <br /> 1. Available Products: Subject to compIiance with <br /> � 2.3 RELATED MATERTALS <br /> l. Available Manufacturers: Subject to compliance with requirements. <br /> � A. Sand Cushion: Clean,natural sand. <br /> � B. Vapor Retarder: Provide vapor retarder that is resistant to deterioration when tested <br /> according to ASTM E 154,as fotlows: <br /> � 1. Polyethylene sheet uot less than$mils thick. <br /> C. Liquid Membran�Forcning Curing Compound: Liquid-type membrane-forming curing <br /> compound cornplying with ASTM C 309, Type �, Class A. Moisture loss not more than <br /> � 0.55 kg/sq.met�r when applied at 200 sq.ft.lgal. <br /> 1. Provide material tha#has a maximum volatile organic compound(VQC)rating of <br /> ' 350 mg per liter. <br /> 2. Available Products: Subject to compliance with requirements. <br /> PROPORTIONTNG AND DESIGNTNG A��S <br /> � See)1015 General Structwal <br /> ' 2.4 CONCRETE��iG <br /> A. Ready-Mixetl Concrete: Comply with requirements of ASTM C 94,and as specified. <br /> ' PART 3-EXECUTION <br /> 3.i GENERAL <br /> � A. Coordinate ttie installation of joint materials, vapor retarderlUarrier, and other related <br /> materials with placement of fonms and reinforcing steel. <br /> ' 3.2 FORMS <br /> A. General: Design,erect,support,brace,and maintain formwork to support vertical, lateral, <br /> � static, and dynamic loads that might be applied until concrete structure can support such <br /> loads. Construct formwork so concrete members and structures are of correct size,shape, <br /> alignment, elevation, and posidon. Maintain formwork construction tolerances and <br /> surface irregularities complying with the following ACI 3471imits: <br /> , I. Pravide Class A taierances for concrete surfaces exposed to view. <br /> 2. Provide Class C tolerances for otb.er concrete surfaces. <br /> 1 B. Provisions for Other Trades: Provide openings in concrete formwork to accommodate <br /> woric of other trades. Determine size and locatiou of openings,recesses, and chases from <br /> trades providing such items. Aacurately giace and securely seipport items built into forms. <br /> I3.3 VAPOR RETARDER/BARR�R IldSTALLATION <br /> ' CONCRETE Page 3 of 8 <br />