Laserfiche WebLink
<br />Copyright 2002 AIA <br /> <br />MASTERSPEC - SHORT FORM <br /> <br />11/02 <br /> <br />2. Slope exposed horizontal surfaces 1: 12, unless otherwise indicated. <br />3. Provide raised fillets at backs of sills and at ends indicated to be built into jambs. <br />4. Provide drips on projecting elements, unless otherwise indicated. <br /> <br />B. Cure units by one of the following methods: <br /> <br />1. Cure units with steam in enclosed curing room at temperature of 105 deg F (41 deg C) or <br />above and 95 to 100 percent relative humidity for 6 hours. <br />2. Cure units with dense fog and water spray in enclosed warm curing room at 95 to 100 <br />percent relative humidity for 24 hours. <br />3. Cure units to comply with one of the following: <br /> <br />a. Not less than 5 days at mean daily temperature of 70 deg F (21 deg C) or above. <br />b. Not less than 6 days at mean daily temperature of 60 deg F (16 deg C) or above. <br />c. Not less than 7 days at mean daily temperature of 50 deg F (10 deg C) or above. <br />d. Not less than 8 days at mean daily temperature of 45 deg F (7 deg C) or above. <br /> <br />C. Acid etch units after curing to remove cement film from surfaces to be exposed to view. <br /> <br />D. Colors and Textures: [Match Architect's samples] [Match existing units] [As selected hy <br />Architect from manufacturer's full range]. <br /> <br />2.3 ACCESSORIES <br /> <br />A. Anchors and Dowels: [Type 304 stainless steel] [Hot-dip galvanized steel]. <br /> <br />B. Proprietary Acidic Cleaner: Manufacturer's standard-strength, general-purpose cleaner <br />complying with requirements in Division 4 Section "Unit Masonry Assemblies" and approved <br />for intended use by cast stone manufacturer and approved by cleaner manufacturer for use on <br />cast stone and adjacent masonry materials. <br /> <br />2.4 MORTAR <br /> <br />A. Comply with requirements m Division 4 Section "Unit Masonry Assemblies" for mortar <br />materials and mixes. <br /> <br />1. For setting mortar, use Type [S] [N]. <br />2. For pointing mortar, use Type [N] [0]. <br />3. Pigmented Mortar: Use colored cement product[ or setect and proportion pigments <br />with other ingredients to produce color required]. <br /> <br />2.5 SOURCE QUALITY CONTROL <br /> <br />A. Employ an independent testing agency to sample and test cast stone units according to <br />ASTM C 1364. <br /> <br />CAST STONE <br /> <br />04720 - 3 <br />