Agenda - Council - 12/10/2013 - Laserfiche WebLink

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2.3 GROUT A. Ingredients: 1. Portland cement: Comply with ASTM C150, type I. 2. Aggregate: Provide clean, sharp, well graded aggregate free from injurious amounts of dust, lumps, shale, alkali, surface coatings, and organic matter. 3. Admixtures: Do not use admixtures unless specifically approved in advance by the Architect. 4. Water: Provide water free from injurious amounts of acids, alkalis, and organic materials. B. Mixing: 1. Provide "fine grout" or "coarse grout" as designated on the Drawings or otherwise directed by the Architect, and in accordance with ASTM C476. 2. When the minimum grout compressive strength is required to be more than 2000 psi, provided laboratory design mix prepared as required for design mixes of concrete under Section 03300 of these Specifications. 3. Proportions: a. For "fine grout," provide one part portland cement to 2-1/4 parts minimum to 3 parts maximum of damp loose sand, with sufficient water to achieve fluid consistency. b. For "coarse grout," provide one part portland cement to 3 parts maximum of damp loose sand to two parts coarse aggregate, with sufficient water to achieve fluid consistency. 4. "Fluid consistency" is interpreted as meaning as fluid as possible for pouring intimately in place without segregation. C. Use "fine grout" where called for on the Drawings, where the grout space is less than 3" in its least dimension, and where otherwise directed by the Architect or required by governmental agencies having jurisdiction. 2.4 MISCELLANEOUS MATERIALS A. Through -wall flashing: 20-mil thick, polyvinyl chloride sheeting; American Cyanamid Wascoseal, B.F. Goodrich BFG Vinyl Water Barrier, Rubber and Plastics Compound Company Nervastral Seal -Proof H-D or Sandell Nuflex PVC Flashing. Furnish manufacturer's adhesive of type recommended for the particular installation. B. Extruded polystyrene insulation: Fed. Spec. HH-I-524C, Type IV. 04220-3