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099123Proj. No. 10105 Residence Conversions October 7, 2011 58 Kensington, 57 Dryads Green, 72 Dryads Green Smith College, Northampton, MA PAINTING Page 1 of 12 099123 SECTION 099123 -PAINTING PART 1 -GENERAL 1.1 RELATED DOCUMENTS A.Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section. 1.2 SUMMARY A.This Section includes surface preparation and the application of paint systems on the following exterior and interior substrates: 1.Exterior Surfaces a.Wood Siding and trim b.Wood Shakes c.Composite trim and panels 2.Interior Surfaces a.Galvanized metal. b.Wood. c.Surface sealing of wood with lead based coatings. d.Gypsum board. e.Plaster. B.Related Sections include the following: 1.Division 09 Section "Exterior Painting" for surface preparation and the application of paint systems on exterior substrates. 1.3 SUBMITTALS A.Product Data: For each type of product indicated. B.Samples for Initial Selection: For each type of topcoat product indicated. C.Samples for Verification: For each type of paint system and in each color and gloss of topcoat indicated. Proj. No. 10105 Residence Conversions October 7, 2011 58 Kensington, 57 Dryads Green, 72 Dryads Green Smith College, Northampton, MA PAINTING Page 2 of 12 099123 1.Submit Samples on rigid backing, 8 inches (200 mm)square. 2.Step coats on Samples to show each coat required for system. 3.Label each coat of each Sample. 4.Label each Sample for location and application area. D.Product List: For each product indicated, include the following: 1.Cross-reference to paint system and locations of application areas. Use same designations indicated on Drawings and in schedules. 2.Printout of current "MPI Approved Products List" for each product category specified in Part 2, with the proposed product highlighted. 1.4 QUALITY ASSURANCE A.MPI Standards: 1.Products: Complying with MPI standards indicated and listed in "MPI Approved Products List." 2.Preparation and Workmanship: Comply with requirements in "MPI Architectural Painting Specification Manual" for products and paint systems indicated. 1.5 DELIVERY, STORAGE, AND HANDLING A.Store materials not in use in tightly covered containers in well-ventilated areas with ambient temperatures continuously maintained at not less than 45 deg F (7 deg C). 1.Maintain containers in clean condition, free of foreign materials and residue. 2.Remove rags and waste from storage areas daily. 1.6 PROJECT CONDITIONS A.Apply paints only when temperature of surfaces to be painted and ambient air temperatures are between 50 and 95 deg F (10 and 35 deg C). Proj. No. 10105 Residence Conversions October 7, 2011 58 Kensington, 57 Dryads Green, 72 Dryads Green Smith College, Northampton, MA PAINTING Page 3 of 12 099123 B.Do not apply paints when relative humidity exceeds 85 percent; at temperatures less than 5 deg F (3 deg C)above the dew point; or to damp or wet surfaces. C.Lead practices: Existing interior painted surfaces are known to have lead containing coatings. Employ safe practices for preparation of existing painted surfaces. PART 2 -PRODUCTS 2.1 MANUFACTURERS A.Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1.Benjamin Moore & Co. 2.California Paints. 3.PPG Architectural Finishes, Inc. B.Specialty Coating Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1.Fiberlock Technologies; Product: LBC –Lead Barrier Compound. 2.2 PAINT, GENERAL A.Material Compatibility: 1.Provide materials for use within each paint system that are compatible with one another and substrates indicated, under conditions of service and application as demonstrated by manufacturer, based on testing and field experience. 2.For each coat in a paint system, provide products recommended in writing by manufacturers of topcoat for use in paint system and on substrate indicated. Proj. No. 10105 Residence Conversions October 7, 2011 58 Kensington, 57 Dryads Green, 72 Dryads Green Smith College, Northampton, MA PAINTING Page 4 of 12 099123 B.Chemical Components of Field-Applied Interior Paints and Coatings: Provide products that comply with the following limits for VOC content, exclusive of colorants added to a tint base, when calculated according to 40 CFR 59, Subpart D (EPA Method 24) and the following chemical restrictions; these requirements do not apply to primers or finishes that are applied in a fabrication or finishing shop: 1.Flat Paints and Coatings: VOC content of not more than 50 g/L. 2.Nonflat Paints and Coatings: VOC content of not more than 150 g/L. 3.Aromatic Compounds: Paints and coatings shall not contain more than 1.0 percent by weight of total aromatic compounds (hydrocarbon compounds containing one or more benzene rings). 4.Restricted Components: Paints and coatings shall not contain any of the following: a.Acrolein. b.Acrylonitrile. c.Antimony. d.Benzene. e.Butyl benzyl phthalate. f.Cadmium. g.Di (2-ethylhexyl) phthalate. h.Di-n-butyl phthalate. i.Di-n-octyl phthalate. j.1,2-dichlorobenzene. k.Diethyl phthalate. l.Dimethyl phthalate. m.Ethylbenzene. n.Formaldehyde. o.Hexavalent chromium. p.Isophorone. q.Lead. r.Mercury. s.Methyl ethyl ketone. t.Methyl isobutyl ketone. u.Methylene chloride. v.Naphthalene. w.Toluene (methylbenzene). Proj. No. 10105 Residence Conversions October 7, 2011 58 Kensington, 57 Dryads Green, 72 Dryads Green Smith College, Northampton, MA PAINTING Page 5 of 12 099123 x.1,1,1-trichloroethane. y.Vinyl chloride. C.Colors: As selected by Architect from manufacturer's full range. 2.3 PRIMERS/SEALERS A.Interior Latex Primer/Sealer: MPI #50. 1.VOC Content: E Range of E3. 2.Environmental Performance Rating: EPR 3. B.Wood-Knot Sealer: Sealer recommended in writing by topcoat manufacturer for use in paint systems indicated. 2.4 METAL PRIMERS A.Rust-Inhibitive Primer (Water Based): MPI #107. 1.VOC Content: E Range of E2. 2.Environmental Performance Rating: EPR 3. B.Waterborne Galvanized-Metal Primer: MPI #134. 1.VOC Content: E Range of E2. 2.Environmental Performance Rating: EPR 2. 2.5 WOOD PRIMERS A.Interior Latex-Based Wood Primer: MPI #39. 1.VOC Content: E Range of E3. 2.Environmental Performance Rating: EPR 2. 2.6 LATEX PAINTS A.Institutional Low-Odor/VOC Latex (Flat): MPI #143 (Gloss Level 1). 1.VOC Content: E Range of E3. Proj. No. 10105 Residence Conversions October 7, 2011 58 Kensington, 57 Dryads Green, 72 Dryads Green Smith College, Northampton, MA PAINTING Page 6 of 12 099123 2.Environmental Performance Rating: EPR 4. B.Institutional Low-Odor/VOC Latex (Low Sheen): MPI #144 (Gloss Level 2). 1.VOC Content: E Range of E3. 2.Environmental Performance Rating: EPR 4.5. C.Institutional Low-Odor/VOC Latex (Semigloss): MPI #147 (Gloss Level 5). 1.VOC Content: E Range of E3. 2.Environmental Performance Rating: EPR 3. D.Exterior Latex (Flat): MPI #10 (Gloss Level 1). 1.VOC Content: E Range of E3. 2.VOC Content: E Range of E2. E.Exterior Latex (Gloss): MPI #119 (Gloss Level 6, except minimum gloss of 65 units at 60 deg). 1.VOC Content: E Range of E3. PART 3 -EXECUTION 3.1 EXAMINATION A.Examine substrates and conditions, with Applicator present, for compliance with requirements for maximum moisture content and other conditions affecting performance of work. B.Maximum Moisture Content of Substrates: When measured with an electronic moisture meter as follows: 1.Wood: 15 percent. 2.Gypsum Board: 12 percent. 3.Plaster: 12 percent. C.Verify suitability of substrates, including surface conditions and compatibility with existing finishes and primers. Proj. No. 10105 Residence Conversions October 7, 2011 58 Kensington, 57 Dryads Green, 72 Dryads Green Smith College, Northampton, MA PAINTING Page 7 of 12 099123 D.Begin coating application only after unsatisfactory conditions have been corrected and surfaces are dry. 1.Beginning coating application constitutes Contractor's acceptance of substrates and conditions. 3.2 PREPARATION A.Comply with manufacturer's written instructions and recommendations in "MPI Architectural Painting Specification Manual" applicable to substrates indicated. B.Remove plates, machined surfaces, and similar items already in place that are not to be painted. If removal is impractical or impossible because of size or weight of item, provide surface-applied protection before surface preparation and painting. 1.After completing painting operations, use workers skilled in the trades involved to reinstall items that were removed. Remove surface-applied protection if any. 2.Do not paint over labels of independent testing agencies or equipment name, identification, performance rating, or nomenclature plates. C.Clean substrates of substances that could impair bond of paints, including dirt, oil, grease, and incompatible paints and encapsulants. 1.Remove incompatible primers and reprime substrate with compatible primers as required to produce paint systems indicated. D.Steel Substrates: Remove rust and loose mill scale. Clean using methods recommended in writing by paint manufacturer. E.Galvanized-Metal Substrates: Remove grease and oil residue from galvanized sheet metal fabricated from coil stock by mechanical methods to produce clean, lightly etched surfaces that promote adhesion of subsequently applied paints. F.Wood Substrates: 1.Scrape and clean knots, and apply coat of knot sealer before applying primer. Proj. No. 10105 Residence Conversions October 7, 2011 58 Kensington, 57 Dryads Green, 72 Dryads Green Smith College, Northampton, MA PAINTING Page 8 of 12 099123 2.Sand surfaces that will be exposed to view, and dust off. 3.Prime edges, ends, faces, undersides, and backsides of wood. 4.After priming, fill holes and imperfections in the finish surfaces with putty or plastic wood filler. Sand smooth when dried. G.Gypsum Board Substrates: Do not begin paint application until finishing compound is dry and sanded smooth. H.Plaster Substrates: Do not begin paint application until plaster is fully cured and dry. 3.3 APPLICATION A.Apply paints according to manufacturer's written instructions. 1.Use applicators and techniques suited for paint and substrate indicated. 2.Paint surfaces behind movable equipment and furniture same as similar exposed surfaces. Before final installation, paint surfaces behind permanently fixed equipment or furniture with prime coat only. 3.Paint front and backsides of access panels, removable or hinged covers, and similar hinged items to match exposed surfaces. B.Tint each undercoat a lighter shade to facilitate identification of each coat if multiple coats of same material are to be applied. Tint undercoats to match color of topcoat, but provide sufficient difference in shade of undercoats to distinguish each separate coat. C.If undercoats or other conditions show through topcoat, apply additional coats until cured film has a uniform paint finish, color, and appearance. D.Apply paints to produce surface films without cloudiness, spotting, holidays, laps, brush marks, roller tracking, runs, sags, ropiness, or other surface imperfections. Cut in sharp lines and color breaks. E.Painting Mechanical and Electrical Work: Paint items exposed in equipment rooms and occupied spaces including, but not limited to, the following: 1.Mechanical Work: a.Uninsulated metal piping. Proj. No. 10105 Residence Conversions October 7, 2011 58 Kensington, 57 Dryads Green, 72 Dryads Green Smith College, Northampton, MA PAINTING Page 9 of 12 099123 b.Uninsulated plastic piping. c.Pipe hangers and supports. d.Tanks that do not have factory-applied final finishes. e.Visible portions of internal surfaces of metal ducts, without liner, behind air inlets and outlets. f.Mechanical equipment that is indicated to have a factory-primed finish for field painting. 2.Electrical Work: a.Switchgear. b.Panelboards. c.Electrical equipment that is indicated to have a factory-primed finish for field painting. 3.4 CLEANING AND PROTECTION A.At end of each workday, remove rubbish, empty cans, rags, and other discarded materials from Project site. B.After completing paint application, clean spattered surfaces. Remove spattered paints by washing, scraping, or other methods. Do not scratch or damage adjacent finished surfaces. C.Protect work of other trades against damage from paint application. Correct damage to work of other trades by cleaning, repairing, replacing, and refinishing, as approved by Architect, and leave in an undamaged condition. D.At completion of construction activities of other trades, touch up and restore damaged or defaced painted surfaces. 3.5 EXTERIOR PAINTING SCHEDULE A.Dressed Lumber Substrates: Including doors. 1.Latex System: MPI EXT 6.3L. a.Prime Coat: Exterior latex wood primer. b.Intermediate Coat: Exterior latex matching topcoat. Proj. No. 10105 Residence Conversions October 7, 2011 58 Kensington, 57 Dryads Green, 72 Dryads Green Smith College, Northampton, MA PAINTING Page 10 of 12 099123 c.Topcoat: Exterior latex (gloss). B.Wood Substrates: Including board siding and ceilings. 1.Latex System: MPI EXT 6.4K. a.Prime Coat: Exterior latex wood primer. b.Intermediate Coat: Exterior latex matching topcoat. c.Topcoat: Exterior latex (flat). C.Wood Shingle and Shake Substrates (Excluding Roofs): 1.Latex System: MPI EXT 6.6E. a.Prime Coat: Exterior latex wood primer. b.Intermediate Coat: Exterior latex matching topcoat. c.Topcoat: Exterior latex (flat). D.Dimension Lumber Substrates, Traffic Surfaces: Including lumber decking and stairs. 1.Latex System: MPI EXT 6.5E. a.Prime Coat: Exterior latex wood primer. b.Intermediate Coat: Interior/exterior latex floor and porch (low gloss). c.Topcoat: Interior/exterior latex floor and porch (low gloss). 1)With additive to increase skid resistance of painted surface. E.Plastic Trim Fabrication Substrates: 1.Latex System: MPI EXT 6.8A. a.Prime Coat: Bonding primer (water based). b.Intermediate Coat: Exterior latex matching topcoat. c.Topcoat: Exterior latex (gloss). F.Exterior Cementitious Substrates: 1.Latex System: MPI EXT 9.2A. Proj. No. 10105 Residence Conversions October 7, 2011 58 Kensington, 57 Dryads Green, 72 Dryads Green Smith College, Northampton, MA PAINTING Page 11 of 12 099123 a.Prime Coat: Exterior latex matching topcoat. b.Intermediate Coat: Exterior latex matching topcoat. c.Topcoat: Exterior latex (flat). 3.6 INTERIOR PAINTING SCHEDULE A.Steel Substrates: 1.Institutional Low-Odor/VOC Latex System: MPI INT 5.1S. a.Prime Coat: Rust-inhibitive primer (water based). b.Intermediate Coat: Institutional low-odor/VOC interior latex matching topcoat. c.Topcoat: Institutional low-odor/VOC interior latex (semigloss). B.Galvanized-Metal Substrates: 1.Latex Over Waterborne Primer System: MPI INT 5.3J. a.Prime Coat: Waterborne galvanized-metal primer. b.Intermediate Coat: Interior latex matching topcoat. c.Topcoat: Interior latex (semigloss). C.Dressed Lumber Substrates: Including doors. 1.Institutional Low-Odor/VOC Latex System: MPI INT 6.3V. a.Prime Coat: Interior latex-based wood primer. b.Intermediate Coat: Institutional low-odor/VOC interior latex matching topcoat. c.Topcoat: Institutional low-odor/VOC interior latex (semigloss). D.Dimension Lumber Substrates, Existing Painted Surfaces: Including baseboards, doors and door and window casings. 1.Specialty lead encapsulation coating. a.Spot Prime Coat: Latex primer. b.Intermediate Coat(s): Interior latex matching topcoat. c.Topcoat: Lead Barrier Compound. Proj. No. 10105 Residence Conversions October 7, 2011 58 Kensington, 57 Dryads Green, 72 Dryads Green Smith College, Northampton, MA PAINTING Page 12 of 12 099123 d.Minimum final coating thickness of 9 mils. E.Gypsum Board and Plaster Substrates: 1.Institutional Low-Odor/VOC Latex System: MPI INT 9.2M. a.Prime Coat: Interior latex primer/sealer. b.Intermediate Coat: Institutional low-odor/VOC interior latex matching topcoat. c.Topcoat: Institutional low-odor/VOC interior latex (flat)@ ceilings; (low sheen)@ walls. END OF SECTION 099123