ARCHIVED REPORTS - Laserfiche WebLink

Home Browse Search

i ' 1 dirt, dust, oils, grease, or other contaminants. 2 3 C. Where oil or grease deposits are present, prior to above surface preparation, clean surfaces a by scrubbing with a solution of one and one-half ounces (44.4 ml) tri-sodium phosphate 5 (TSP) and one and one-half ounces (44.4 ml) of non-sudsing detergent mixed into one s gallon (3.785 liters) of warm water. Surfaces shall then be flushed clean with fresh water. 7 e D. Specific Surface Preparation: Surface preparation for the specific system shall be as 9 designated in the Systems Index, Part 2.05 of these specifications. 10 11 3.04 SURFACE PREPARATION, WOOD AND COMPOSITION MATERIALS 12 13 A. Wood and composite materials shall have a moisture content prior to coating or painting 14 below 15 percent as measured by an instrument such as a Delmhorst Model BD-7, unless 15 recommended otherwise by the paint manufacturer. 1s 17 B. All surfaces shall be thoroughly cleaned by use of mineral spirits, scrapers, sandpaper. or 18 wire brushes to remove all dirt, oil, grease or other foreign substances. Finished surfaces 19 exposed to view shall, if necessary, be made smooth by planing or sandpapering. Small, 20 dry, seasoned knots shall be scraped, sandpapered, and thoroughly cleaned, and shall be 21 given a thin coat of WP-578 Western Pine Association knot sealer before application of the 22 priming coat. Large, open unseasoned knots, and all beads or streaks of pitch shall be 23 scraped off, or if the pitch is still soft, it shall be removed with mineral spirits and the 24 resinous area shall be thinly coated with knot sealer. After priming, all holes and 25 imperfections shall be filled with putty or plastic wood (colored to match the finish wood), 26 allowed to dry, and sandpapered smooth. Painting of interior wood and composite 27 materials shall proceed insofar as practicable, only after masonry work has dried. Existing 28 surfaces shall be cleaned of all loose or flaking paint and sandpapered as required. 29 30 C. Specific Surface Preparation: Surface preparation for the specific system shall be as 31 designated in the Systems Index, Part 2.05 of these specifications. 32 33 3.05 COATING APPLICATION ' 34 35 A. Coating and paint application shall conform to the requirements of the Steel Structures 38 Painting Council Paint Application Specifications SSPC-PA1, latest revision, for "Shop, Field 37 and Maintenance Painting", and recommended practices of the National Association of i 38 Corrosion Engineers, the American Concrete Institute, the Forest Products Research 39 Society and the Manufacturer of the paint and coating materials. 40 41 B. Before applying any paint or finish, all surfaces shall be thoroughly cleaned and prepared 42 for painting as herein specified. All cleaned metal shall be primed or painted, as specified, 43 immediately after cleaning to prevent new rusting or oxidation of cleaned surfaces. as 45 C. Protective coverings or drop cloths shall be use to protect floors, fixtures, and equipment. 46 Care shall be exercised to avoid lapping on glass or hardware. Coatings and paints shall 47 be sharply cut to lines. Finished surfaces shall be free from defects or blemishes. 48 as D. Application: 50 51 No coating or paint shall be applied: 52 PAINTING 051194 09900-9