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PAINTING Section 09900 15-1207 D. On metal work, only such sanding will be required as is necessary to provide for complete bonding of coats. Steel and ironwork shall be scraped clean of scale, and rust and any grease shall be entirely removed. Touch-up scratched and damaged places on metal priming coats. Galvanized or zinc -coated metal shall be given an approved acid treatment 48 hours before paint is applied. E. Prep and prime coat factory or shop primed metal products, including metal doors and frames, exposed framing, etc., as if material was unprimed. F. Prep and prime all surfaces scheduled to receive vinyl wall covering with specified primer. Sprayed applications of primer shall be back rolled to assure that the primer has thoroughly sealed the surface. G. Metal surfaces receiving epoxy coatings shall have stripe coat applied at all welds, edges, joints, etc., with epoxy primer prior to application of primer. H. Exposed concrete walls to receive new finish shall be pressure washed or scrubbed to completely remove all bond breakers and oils. Efflorescence to be removed as required by the paint manufacturer. All cracks, gaps, hollow areas, bug holes, honey combs, voids, fins, form marks and all other protrusions or rough edges are to be ground or stoned to provide a smooth continuous surface. Imperfections may require filling. Material shall be compatible with and as recommended by paint manufacturer. Surface shall be reviewed by Architect after patching is complete and primer is applied. Additional patching and/or grinding required to provide visually acceptable surface shall be accomplished at no additional cost. 3.04 PROTECTION A. Hardware, fixture canopies, outlet covers, switch plates and other such items shall be removed or loosened and replaced after completing work as required for painting and finishing. Protect items until reinstalled. B. Protect work and work of others during progress against damage. Leave such work clean and whole. Correct damage by cleaning, repairing, replacing or repainting as directed. C. Provide necessary drop cloths for protection of work. Cover finished surfaces adjacent to work. 3.05 APPLICATION, GENERAL A. Each coat of paint, stain or varnish shall be separately inspected by Inspector before next coat is applied; should notice not be given before succeeding coat is applied, additional coat shall be applied, if so directed. B. Flow coat on evenly and well brushed in. Should dead spots occur, touch-up before next coat is applied. Should spots or cracks burn through after final coat is applied, apply as many more coats as necessary to entire surface to remedy defects. C. Mil Thicknesses: Paint materials shall be applied in manner to average 1.5 to 3 Dry Mils in thickness for the total number of coats scheduled. Provide Tooke Dry Mill Coating Inspection Gauge manufactured by Micro Metrics Company to PI for inspection of finished coating systems if requested. 11