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SPECIFICATION NUMBER: <br /> Climax Molybdenum CONCRETE CONSTRUCTION 03 30 00 SPE <br /> A Freeport-McMoRan Company TECHNICAL SPECIFICATION PROJECT NAME: <br /> CAVR Shaft Closure Project <br /> ii. The curing compound shall cover the entire area of the <br /> exposed surface, and shall be applied according to the <br /> Manufacture's recommendation. The Contractor shall <br /> ensure uniform and complete coverage. <br /> iii. After final application of the compound, surfaces shall be <br /> protected from traffic and other damage to the membrane for <br /> a period of curing as specified herein. <br /> iv. The use of any membrane material that will impart a slippery <br /> surface to the concrete or alter its natural color shall not be <br /> permitted. The compound, however, shall contain a dye of <br /> color strength sufficient to render the film distinctly visible <br /> on the concrete surface for a period of at least 4 hours after <br /> application, and shall be of such character that it will harden <br /> within 30 minutes. <br /> v. If concrete surfaces that are to receive curing compound are <br /> expected to be exposed to freezing temperatures within 5 <br /> days, the membrane curing compound shall not be used. <br /> 3. Protection <br /> a. The Contractor shall be fully responsible for protecting finished <br /> concrete work from damage, marring of fmish, discoloration or <br /> other detrimental conditions during curing and subsequent <br /> construction operations. <br /> R. Cold Weather Requirements <br /> 1. Concrete shall not be placed during cold weather unless special precautions <br /> are taken. Cold weather is defined as any period when, for more than 3 days <br /> in succession, the mean daily temperature is, or is forecast to be, below <br /> 40°F, or when any unformed concrete surface less than 48 hours in age is, <br /> or is forecasted to be, exposed to temperatures less than 32°F. If it is <br /> necessary to place concrete under conditions of low temperature,placement <br /> and protection methods shall be in accordance with this Section and ACI <br /> 306. Concrete damaged by freezing shall be removed and replaced at the <br /> expense of the Contractor. <br /> 114-910345 CONCRETE CONSTRUCTION <br /> Climax CAVR Shaft Closure Project 03 30 00 SPE-21 <br />