“Painting Schedules". Successive coats of paint shall, where practicable, be of a slightly different color. 10-05. PREPARATION OF SURFACES: a. General: All surfaces to be painted shall be . thoroughly dry and shall be free of oil, dirt, dust, rust, or cement. b. Finish Woodwork including doors and frames, window sash, plywood panels and partitions, moulding and trim, benches, counters, cabinets, and finish flooring shall be sanded smooth and shall be free of cracks, splint- ers, gouges, or other defects. All sappy places shall be sealed with shellac and corners of finish woodwork shall be sanded to a slightly rounded surface. All finish woodwork shall be primed on all sides before installation. After the priming coat has been applted to finish woodwork, nail holes or other voids shall be filled flush with putty and sand papered smooth. ing Putty shall be dry before subsequent paint- c. Exterior Wood benches, stairs, ladders, catwalks, railings, and landings shall be reasonably smooth and shall be free of splinters, cracks, or other defects which might result in injury to personnel using then. d. Metal Surfaces to be painted shall be cleaned of mill scale, dirt and rust by means: of scrapers, wire brushes or other suitable devices. O11 or grease shall be removed by use of an approved solvent. @. Galvanized Metal not bonderized shall be cleaned of any grease or oil by use of an approved solvent. f. Asbestos-Cement Screens shall be carefully cleaned of dirt or stains by the use of suitable solvents. Screens shall not be wire-brushed. 10-06. APPLICATION: a. General: Application of paints shall be in accordance with manufacturer's directions, unless other- wise herein specified. No materials shall be reduced or changed except as specified by the manufacturer, or as hereinafter noted. When thinners are required, use only manufacturer's recommended thinners. b. Painting Conditions: 10-5 Paint shall be applied