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� <br /> � <br /> Concrete Testin Service: Engage testin�; laboratory acceptable to Architect to perform i <br /> material evaluation tests and to design concrete mixes. <br /> Materials and installed work may require testin�; and �etesting at anytime during � <br /> progress of work. Tests, including retesting of rejected materials and installed wo�k, <br /> shall be done at Contractor's expense. <br /> 1.05 PROJECT CONDITIONS: ' I <br /> Protection of Footin�s ARainst FreezinA: Cover complete work at footing level with <br /> sufficient temporary or permanent cover as required to pcotect footings and adjacent � <br /> subgrade against possibility of freezing; maintain cover for time period as necessary. <br /> Protect adjacent finish materials a�ainst spatter during concrete placement. � <br /> PART 2 - PRODUCTS <br /> 2.01 FORM MATERIALS: , <br /> ' Forms for Unexposed Finish Concrete: Form concrete sucfaces which will be unexposed <br /> with plywood, lumber, metal or other acceptable material. Pcovide , <br /> lumber dressed on at least 2 edges and one side for tight fit. . <br /> � <br /> 2.02 REINFORCING MATERIALS: � <br /> ReinforcinA Bars (ReBar): ASTM A 615, Gcade 60, deformed. <br /> Welded VUire Fabric: ASTM A 185;welded steel wire fabric. � <br /> Supports for Reinforcement: Bolsters, chairs, spacers and other devices for spacing, <br /> supporting and fastening reinforcing bars and welded wire fabric in place. Use wire bar , <br /> type supports complying with CRSI recommendations. <br /> 2.03 CONCRETE MATERIALS: � <br /> Portland Cement: ASTM C 150, Type L <br /> Use one brand of cement throughout project, unless otherwise acceptable to Architect. , <br /> Fly Ash: ASTM C 618, Type C or Type F. <br /> � Normal Nei�ht A��regates: ASTM C 33, and as herein specified. Provide aggregates , <br /> from a single source for exposed concrete. <br /> _ � <br /> CONCRETE WORK 03310 - 2 <br /> � <br /> , <br />