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CLEAN Alv'D CAULK EY.TERIOR 5TONE JOINTS AND STRUCTURAL CRACY:S <br />A. SCOPE: <br />Furnish and install all labor, equipment, and material necessary <br />to completely clean, and seal all horizontal and vertical stone <br />work joints, and any exterior structural cracks, existing in <br />masonry walls, including parapet wall coping, and cornice pra- <br />jection, and control joints. <br />E. QUALIFICATION OF WORIQ"iEN: <br />Only skilled and experienced mechanics, engaged full time in <br />caulking work, shall be perm:i.tted to da the cleaning and caulking <br />herein described. <br />C. COLOR SELECTION: <br />Contractor shall submit standard color chart of the joint and <br />crack caulking material to be used to the Engineer for his <br />approval. <br />D. PRODUCT HANDLIIVG : <br />Caulking and sealing material shall be delivered to the site <br />in sealed containers with the manufacturer's name and trade mark <br />clearly indicated thereon. Each shipment of material shall be <br />accompanied by a statement of manufacturer certifying that it <br />complies with Federal or American Standard Specifications. <br />E. MATERIALS: <br />All materials shall be appliecl according to manufacturer's <br />printed directions. All materials used in association with <br />caulking shall meet the requirements of manufacturer's printed <br />literature. <br />1. Caulking Material shall be "Pecora Synthcrack G.C. 9", or <br />equal quality caulking material approved by the Engineer. <br />F. PREPARATIOrJ OF JOII3T SURFACE : <br />Remove existing old caulking or grout from the joint or <br />structural crack, and thoroughly clean the joint of all dust or <br />ather loose or foreign material, preferable by raking the joint, <br />and using compressed air, for a depth of not less than 1/2 inch. <br />TS-6 <br />