(1). EXAMINATION a. The Contractor shall examine surfaces to be painted before beginning painting work. Work of other trades that has been left or installed in a condition not suitable to receive paint, stain, other specified finish shall be repaired or corrected by the applicable trade before painting. b. The Contractor shall be aware of a condition known as “critical lighting”. This condition causes shadows that accentuate even the slightest surface variations. A pigmented sealer shall provide a base for topcoats, but “will not” smooth surface texture. Wall surface shall be leveled prior to painting to minimize effect. (2). PROTECTION a. The Contractor shall protect previously installed work and materials, which may be affected by work. b. The Contractor shall protect prefinished surfaces, lawns, shrubbery and adjacent surfaces against paint and damage. c. The Contractor shall furnish sufficient drop cloths, shields, and protective equipment to prevent spray or splatter from fouling surfaces not being painted. d. The Contractor shall protect surfaces, equipment, and fixtures from damage resulting from use of fixed, movable, and hanging scaffolding, planking, and staging. e. The Contractor shall provide “WET PAINT” signs, barricades, and other devices required to protect newly finished surfaces. Remove temporary protective wrappings provided by others for protection of their work after completion of painting operations. f. The Contractor shall ensure that the DMV has overridden the heating, ventilating, and air conditioning (HVAC) system to run twenty-four (24) hours a day prior to and throughout the painting project. (3). PREPARATION a. The Contractor shall perform preparation and cleaning procedures in strict accordance with manufacturer’s instructions for each substrate condition. b. Concrete and masonry surfaces shall be dry, clean, and free of dirt, efflorescence, encrustations, and other foreign matter. Glazed surfaces on concrete shall be roughened or etched to uniform texture. c. Ferrous metal shall be cleaned of oil, grease, and foreign matter with solvent and primed within three (3) hours after preparation. d. The Contractor shall sand and scrape metal to remove loose primer and rust. e. Galvanized metal shall be solvent cleaned with lacquer thinner and then retreated with an etching type of solution if recommended by the finish manufacturer. The Contractor shall clean and retreat galvanized metal, and metal shall be primed the same day that cleaning has been performed. f. The Contractor shall remove dust, grit, and foreign matter from wood surfaces. Sand surfaces and dust clean. Spot coat knots, pitch streaks, and sappy section with pigmented stain sealer when surfaces are to be painted. Fill nail holes, cracks, and other defects after priming and spot prime repairs when fully cured. g. The Contractor shall remove hardware and accessories, machined surfaces, plates, lighting fixtures, and similar items in place and not-to-be-finish painted or provide surface-applied protection. Reinstall removed items upon completion of work in each area. h. Existing surfaces to be recoated shall be thoroughly cleaned and de-glossed by sanding or other means prior to painting. Patched and bare areas shall be spot primed with same primer as specified for new work. i. The Contractor shall thoroughly back paint all interior finished lumber and millwork, including doors and window frames, trim cabinet work, etc., that shall be concealed after installation. Back paint items to be painted or enameled with the priming coat. Use a clear sealer for back priming where transparent finish is required. j. Bare and covered pipes, ducts, hangers, exposed steel and iron work, and primed metal surfaces of equipment installed under mechanical and electrical work shall be cleaned prior to priming. k. Preparation of other surfaces shall be performed following specific recommendations of the coatings manufacturer. l. Bond breakers and curing agents shall be removed and the surface cleaned before primers, sealers, or finish paints can be applied. m. All drywall surfaces shall be patched, textured, completely dry, and dust-free before painting. Skim coated drywall shall be sealed with an alkyd-based sealer or a waterborne sealer recommended by the paint manufacturer for this surface. Use the appropriate light or medium tack masking tape. (4). APPLICATION a. The Contractor shall apply painting and finishing materials in accordance with the manufacturer’s submittals, as approved. Use applicators and techniques best suited for the material and surfaces to which applied. 1. A minimum of two (2) coats shall be applied. Apply additional coats when undercoats, stains, or other conditions show through final paint coat until paint film is of uniform finish, color and appearance. 2. All undercoats shall be tinted slightly to approximate the color of the finish coat. b. Apply each material at not less than the manufacturer’s recommended spreading rate. c. Apply prime coat to material which is required to be painted or finished. d. Finish doors on tops, bottoms, and edges the same as faces, after fitting. e. Sand lightly and dust clean between succeeding coats.
