Attachment_1_-_Specifications.pdf

Desert Experimental Range Garage Re-roofing & Painting

SUMMARY 01100 - 1

SECTION 01100 - SUMMARY

PART 1 - GENERAL

1.1 SUMMARY OF WORK

A. Task Name: Desert Re-roofing & Painting

B. The Work consists of the removal and replacement of shingled roof at the Desert Experimental Range Garage. In addition, the garage will be painted.

C. Detail Description of Each Building: (Contractor responsible for verifying dimensions and other information.)

1. Garage: is 8-1/4:12 pitched gable roof that has approximately 1775 square feet of roofing, it has 2 valleys. The building also has a brick chimney near the center of the building. There building has approximately 2400 square feet of exterior surface, 8 windows (boarded up) and 7 sliding doors with some having boarded up windows.

1.2 WORK RESTRICTIONS

A. Contractor's Use of Premises: During construction, Contractor will have full use of site indicated. Contractor's use of premises is limited only by Government's right to perform work or employ other contractors on portions of Project:

B. The contractor must ensure that no damage is done to the existing structures and the surrounding grounds.

PART 2 - PRODUCTS (Not Applicable)

PART 3 - EXECUTION (Not Applicable)

END OF SECTION 01100

Desert Experimental Range Headquarters Maintenance and Renovation

SELECTIVE DEMOLITION 01732 - 2

SECTION 01732 - SELECTIVE DEMOLITION

PART 1 - GENERAL

1.1 SUMMARY OF WORK

A. The work involves the removal the existing roofing materials down to the bare sheathing on all buildings.

1.2 SECTION REQUIREMENTS

A. Unless otherwise indicated, demolished materials become Contractor's property. Remove from Project site.

B. Comply with EPA regulations and disposal regulations of authorities having jurisdiction.

C. Conduct demolition without disrupting Government's use of the building.

D. It is not expected that hazardous materials will be encountered in the Work. If materials suspected of containing hazardous materials are encountered, do not disturb; immediately notify Contracting Officer. Hazardous materials will be removed by Government.

PART 2 - PRODUCTS (Not Applicable)

PART 3 - EXECUTION

3.1 DEMOLITION

A. Remove all existing layers of roofing down to the original sheathing.

B. Maintain and protect existing utilities to remain in service before proceeding with demolition.

C. Conduct demolition operations and remove debris to prevent injury to people and damage to adjacent buildings and site improvements.

D. Protect building structure and interior from weather and water leakage and damage.

E. Protect walls, ceilings, floors, and exposed finishes that are to remain. Erect and maintain dustproof partitions. Cover and protect fixtures, furnishings, and equipment that are to remain.

F. Promptly patch and repair holes and damaged surfaces of building caused by demolition.

Restore exposed finishes of patched areas and extend finish restoration into remaining adjoining construction.

SELECTIVE DEMOLITION 01732 - 3

G. Promptly remove demolished materials from Government's property and legally dispose of them. Do not burn demolished materials.

END OF SECTION 01732

WOOD SHINGLES AND SHAKES 07317 - 4

SECTION 07317 - WOOD SHINGLES AND SHAKES

PART 1 - GENERAL

1.1 SUMMARY OF WORK

A. Installation of new wood shingle roofs with associated flashing.

1.2 SECTION REQUIREMENTS

A. Submittals: Product Data.

B. Fire-Test-Exposure Classification: UBC 15-2, UL 790, ASTM E 108, Class B.

1.3 DELIVERY, STORAGE, AND HANDLING

A. Deliver material to the site, undamaged, with labels intake.

PART 2 - PRODUCTS

2.1 SHINGLES, SHAKES, AND PANELS

A. Grading Standard for Wood Shingles: UBC 15-4 or CSSB's "Grading Rules for Certigrade Red Cedar Shingles."

B. Cedar Shingles: No. 1 grade, smooth sawn, 16 inches long; 5 shingles, 2 inches thick at butt, fire-retardant treated.

C. Cedar Ridge Units: Manufactured units of same grade as shingle, 7 inches wide; beveled, alternately overlapped, and nailed.

1. Type: Tapersawn

2. Length: 18 inches

3. Thickness: 5/8 inch at butt.

2.2 ACCESSORIES

A. Self-Adhering Sheet Underlayment: ASTM D 1970, SBS-modified asphalt; mineral-granule or slip-resisting-polyethylene surfaced; with release paper backing; cold applied.

B. Nails: Hot-dip galvanized or stainless-steel nails of sufficient length to penetrate 3/4 inch into solid wood decking or extend at least 1/8 inch through OSB or plywood sheathing.

1. Use shingle-type nails to attach wood shingles.

WOOD SHINGLES AND SHAKES 07317 - 5

2.3 SHEET METAL

A. Sheet Metal Flashing and Trim: Comply with requirements in Division 7 Section "Sheet Metal Flashing and Trim."

1. Sheet Metal: Copper and Prepainted, Metallic-coated steel.

B. Fabricate sheet metal flashing and trim to comply with recommendations in SMACNA's "Architectural Sheet Metal Manual."

1. Cricket Flashings: Fabric with concealed flange extending a minimum of 18 inches beneath upslope wood roofing and 6 inches beyond each side of chimney and 6 inches above the roof plane.

2. Step Flashings: Fabricate with a headlap of 3 inches and minimum of extension of 5 inches over the underlying wood roofing and up the vertical surface.

3. Drip Edges: Fabricate in lengths not exceeding 10 feet with a 3 inch roof-deck flange and 1 inch fascia flange.

PART 3 - EXECUTION

3.1 GENERAL INSTALLATION

A. Comply with CSSB's "Design and Application Manual for New Roof Construction"; and NRCA's "The NRCA Roofing and Waterproofing Manual": Section "The NRCA Steep Roofing Manual," Chapter "Wood Shingle and Wood Shake Roofing" for roofing installations.

3.2 EXAMINATION

A. Examine substrates, area, and conditions for compliance with requirements for installation tolerances and other conditions affecting performance of work.

1. Verify that substrate is sound, dry, smooth, clean, sloped for drainage, and completely anchored; and that provision has been made for flashings and penetrations through roofing.

2. For the record, provide a written document, listing conditions detrimental to performance of work.

3.3 ROOF UNDERLAYMENT INSTALLATION

A. Apply self-adhering sheet underlayment along entire perimeter of roof sheathing; extend a minimum of 24 inches inside exterior wall line at edges.

3.4 METAL FLASHING INSTALLATION

A. General: Install metal flashings and other sheet metal to comply with requirements in Division 7 Section “Sheet Metal Flashing and Trim.”

WOOD SHINGLES AND SHAKES 07317 - 6

1. Install metal flashings according to wood roofing recommendation in NRCA’s “The NRCA Roofing and Waterproofing Manual.”

B. Step Flashings: Install with a head lap of 3 inches and extend over the underlying wood roofing and up the vertical surface.

C. Cricket Flashings: Install against the chimney extending concealed flange beneath upslope wood roofing and beyond each side.

D. Open-Valley Flashings: Install metal flashing in all valleys. Extend 10 inches on each side of valley center. Saw all shingles extending into valleys to the proper miter.

E. Eave Drip Edge: Install eave drip edge flashings below underlayment and fasten to roof deck.

F. Pipe Flashings: Form flashing around pipe penetrations and wood roofing. Fasten and seal to wood roofing.

3.5 SHINGLES

A. Lay shingles with 4 inch exposure. Apply double starter course at eaves. Project first course 1- 1/2 inches beyond sheathing. Joints in alternate courses shall not be in direct alignment.

B. Finish hips and ridges “Boston Style” with concealed fastening.

C. Apply shingles with two fasteners per shingle, ¾ inch from the edge and not more than 1 inch above the exposure line.

D. Ridge Units: Install units over wood shingles trimmed at apex. Maintain same exposure dimension of units as roof shingle exposure. Lap units at ridges to shed water away from direction of prevailing winds. Alternate overlaps of units and fasteners with concealed roofing nails of sufficient length to penetrate sheathing.

END OF SECTION 07317

SHEET METAL FLASHING AND TRIM 07620 - 7

SECTION 07620 - SHEET METAL FLASHING AND TRIM

PART 1 - GENERAL

1.1 SECTION REQUIREMENTS

A. Submittals: Product Data.

B. Comply with SMACNA's "Architectural Sheet Metal Manual." Conform to dimensions and profiles shown unless more stringent requirements are indicated.

C. Coordinate installation of sheet metal flashing and trim with interfacing and adjoining construction to provide a leakproof, secure, and noncorrosive installation.

PART 2 - PRODUCTS

2.1 SHEET METAL

A. Copper: ASTM B 370; Temper H00 or H01, cold rolled, not less than 16 oz./sq. ft. (0.55 mm thick).

B. Prepainted, Metallic-Coated Steel:

2.2 FLASHING AND TRIM

A. Fabricate sheet metal flashing and trim to comply with recommendations of SMACNA's "Architectural Sheet Metal Manual" that apply to the design, dimensions, metal, and other characteristics of the item indicated.

2.3 ACCESSORIES

A. General: Provide materials and types of fasteners, solder, welding rods, protective coatings, separators, sealants, and other miscellaneous items as required for complete sheet metal flashing and trim installation.

B. Solder for Copper: ASTM B 32, Grade Sn50.

C. Butyl Sealant: ASTM C 1311, solvent-release type, for expansion joints with limited movement.

D. Asphalt Mastic: SSPC-Paint 12, asbestos free, solvent type.

E. Roofing Cement: ASTM D 4586, Type I, asbestos free, asphalt based.

F. Slip Sheet: Rosin-sized paper, minimum 3 lb/100 sq. ft. (0.16 kg/sq. m).

SHEET METAL FLASHING AND TRIM 07620 - 8

PART 3 - EXECUTION

3.1 INSTALLATION

A. Comply with SMACNA's "Architectural Sheet Metal Manual." Allow for thermal expansion;

set true to line and level. Install Work with laps, joints, and seams permanently watertight and weatherproof; conceal fasteners where possible.

1. Roof-Edge Flashings: Secure metal flashings at roof edges according to FMG Loss Prevention Data Sheet 1-49 for specified wind zone.

B. Sealed Joints: Form nonexpansion, but movable, joints in metal to accommodate elastomeric sealant to comply with SMACNA standards.

C. Separation: Separate noncompatible metals or corrosive substrates with a coating of asphalt mastic or other permanent separation.

END OF SECTION 07620

09912 - 9

PAINTING

SECTION 09912 - PAINTING

PART 1 - GENERAL

A. SUMMARY

1. This Section includes surface preparation and field painting of exposed exterior and interior items and surfaces.

B. SUBMITTALS

1. Product Data: For each product indicated.

2. Samples: For each type of finish-coat material indicated.

3. Work Plan: The procedures proposed for the accomplishment of the work related to the safe conduct of work, careful removal and disposition of materials, protection of property that is to be undisturbed, and coordination with other work.

a. Shall include the safety and health plan describing procedures for handling, monitoring, and disposition of lead-based paint.

b. Shall include a detailed description of the methods and equipment to be used for each operation, and the sequence of operations.

C. QUALITY ASSURANCE

1. Single Source Responsibility: Provide primers and other undercoat paint produced by same manufacturer as finish coats. Use only thinners approved by paint manufacturers, use only within recommended limits.

D. PROJECT CONDITIONS

1. Store materials not in use in tightly covered containers in a well-ventilated area at a minimum ambient temperature of 45 deg F (7 deg C). Maintain storage containers in a clean condition, free of foreign materials and residue.

2. Apply waterborne paints only when temperatures of surfaces to be painted and surrounding air are between 50 and 90 deg F (10 and 32 deg C).

3. Apply solvent-thinned paints only when temperatures of surfaces to be painted and surrounding air are between 45 and 95 deg F (7 and 35 deg C).

4. Do not apply paint in snow, rain, fog, or mist; or when relative humidity exceeds 85 percent; or at temperatures less than 5 deg F (3 deg C) above the dew point; or to damp or wet surfaces.

E. SAFETY & HEALTH

1. All work shall comply with federal OSHA standards for this type of activity.

2. Exposure: Workers exposure shall not exceed the limits established by OSHA for lead exposure.

3. Training: Workers that will be performing the work shall be trained about lead exposure.

The project superintend shall be qualified in the management of lead paint removal projects. Workers that will be using respirators and masks shall be instructed in the proper use and maintenance of such equipment.

4. Coordination: Work shall be coordinated to minimize the exposure of other Contractor personnel and visitors.

PART 2 - PRODUCTS

09912 - 10

A. PAINT REMOVERS

1. Chemical pain removers shall be a commercial item specifically manufactured for the type of paint to be removed.

B. EPOXY CONSOLIDANTS

1. Liquid wood consolidant

a. Liquid wood consolidant shall consist of a 2-part, low-viscosity epoxy, non-toxic.

b. Product: Liquidwood by Abatron in Kenosha, WI or equivalent.

2. Epoxy Wood Paste

a. Epoxy paste shall consist of a 2-part paste, that is non-toxic, non-shrinking, non – slumping material.

b. The product shall be sawed, sanded, stained, and paintable.

c. Product: WoodEpox by Abatron in Kenosha, WI or equivalent.

C. PAINT AND PRIMER MANUFACTURERS

1. Products: Subject to compliance with requirements, provide one of the products listed in other Part 2 articles.

a. Benjamin Moore & Co. (Benjamin Moore).

b. Coronado Paint Company (Coronado).

c. ICI Dulux Paint Centers (ICI Dulux Paints).

d. Kelly-Moore Paint Co. (Kelly-Moore).

e. M. A. Bruder & Sons, Inc. (M. A. B. Paint).

f. PPG Industries, Inc. (Pittsburgh Paints).

g. Sherwin-Williams Co. (Sherwin-Williams).

D. PAINT MATERIALS, GENERAL

1. Material Compatibility: Provide block fillers, primers, and finish-coat materials that are compatible with one another and with the substrates indicated under conditions of service and application, as demonstrated by manufacturer based on testing and field experience.

2. Material Quality: Provide manufacturer's best-quality paint material of the various coating types specified that are factory formulated and recommended by manufacturer for application indicated. Paint-material containers not displaying manufacturer's product identification will not be acceptable.

3. Colors: As selected by Contracting Officer (CO) from manufacturer's full range.

E. PREPARATORY COATS

1. Exterior Primer: Latex-based primer of finish coat manufacturer and recommended in writing by manufacturer for use with finish coat and on substrate indicated.

F. EXTERIOR FINISH COATS

1. Exterior Low-Luster Acrylic Paint:

a. Benjamin Moore; Moorcraft Super Spec Low Lustre Latex House Paint No. 185.

b. Coronado; 408-Line Supreme Acrylic Satin Exterior.

c. ICI Dulux Paints; 2402-XXXX Dulux Professional Exterior 100 Percent Acrylic

Satin Finishes.

d. Kelly-Moore; 1245 Acry-Velvet Exterior Low Sheen Acrylic Finish.

e. M. A. B. Paint; Fresh Kote Latex Eggshell 405 Line.

f. Pittsburgh Paints; 6-2000 Series SpeedHide Exterior House & Trim Satin--Acrylic

Latex.

g. Pittsburgh Paints; 90-400 Series Pitt-Tech One Pack High Performance

Waterborne Satin DTM Industrial Enamels.

h. Sherwin-Williams; A-100 Exterior Latex Satin House & Trim Paint A82 Series.

09912 - 11

PART 3 - EXECUTION

A. GENERAL REQUIREMENTS

1. Methods used for preparation of historic wood and metal surfaces for painting shall be the gentlest possible to achieve the desired results. Historic substrate materials shall not be damaged or marred in the process of surface preparations.

B. PROTECTION OF AREAS NOT TO BE PAINTED

1. Items not to be painted which are in contact with or adjacent to painted surfaces shall be removed or protected prior to surface preparation and painting operations. Items removed prior to painting shall be replaced when painting is completed. Following completion of painting, workers skilled in the trades involved shall reinstall removed items. Surfaces contaminated by preparation materials shall be restored to original condition.

C. APPLICATION

1. Comply with procedures specified in PDCA P4 for inspection and acceptance of surfaces to be painted.

2. Coordination of Work: Review other Sections in which primers are provided to ensure compatibility of the total system for various substrates. On request, furnish information on characteristics of finish materials to ensure use of compatible primers.

3. Remove hardware and hardware accessories, plates, machined surfaces, lighting fixtures, and similar items already installed that are not to be painted. If removal is impractical or impossible because of size or weight of the item, provide surface-applied protection before surface preparation and painting.

4. After completing painting operations in each space or area, reinstall items removed using workers skilled in the trades involved.

5. Surface Preparation: Clean and prepare surfaces to be painted according to manufacturers written instructions for each particular substrate condition and as specified.

a. Paint Removal:

1) Flaking, cracking, blistering, peeling or otherwise deteriorated paint shall be removed by scraping with hand scrapers. After scraping, removal of large areas of paint or paint on architectural details shall be accomplished using sanders, heat guns or heat plates, or chemical paint removers. Paint shall be removed to bare substrate or first sound paint layer. Open flame heat devices shall not be used. Mechanical paint removal shall not damage or mar the substrate material.

2) Chemical Paint Removal: Chemical paint removers shall be used in accordance with manufacturer's recommendations. If chemical strippers are used, substrate shall be neutralized after stripping to a pH of 5 to 8.5.

3) Lead-based Paint In preparation of lead-based painted surfaces for repainting, procedures described in Section 13281 LEAD HAZARD CONTROL ACTIVITIES shall be followed.

b. Provide barrier coats over incompatible primers or remove and reprime.

c. spec writer: delete subparagraph below if cementitious surfaces are not to be painted, or revise to suit project.

d. Wood: Clean surfaces of dirt, oil, and other foreign substances with scrapers, mineral spirits, and sandpaper, as required. Sand surfaces exposed to view smooth and dust off.

09912 - 12

1) Scrape and clean small, dry, seasoned knots, and apply a thin coat of white shellac or other recommended knot sealer before applying primer. After priming, fill holes and imperfections in finish surfaces with putty or plastic wood filler. Sand smooth when dried.

2) Prime, stain, or seal wood to be painted immediately on delivery. Prime edges, ends, faces, undersides, and back sides of wood, including cabinets, counters, cases, and paneling.

3) If transparent finish is required, backprime with spar varnish.

4) Backprime paneling on interior partitions where masonry, plaster, or other wet wall construction occurs on back side.

5) Seal tops, bottoms, and cutouts of unprimed wood doors with a heavy coat of varnish or sealer immediately on delivery.

e. Wood Repair:

1) Badly decayed areas shall be removed and repaired. Areas and pieces decayed beyond repair shall be replaced with new pieces that match originals in all respects. Moderately decayed areas, weathered, or gouged wood shall be patched with approved patching compounds, and shall be sanded smooth. The source or cause of wood decay shall be identified and corrected prior to application of patching materials. Wet wood shall be completely dried to a moisture content not exceeding 12 percent, as measured by a moisture meter, to its full depth before patching, unless otherwise authorized. Wood that is to be patched shall be clean of dust, grease, and loose paint.

2) Epoxy Wood Repair

a) Epoxy wood repair materials shall be applied in accordance with manufacturer's written instructions. Health and safety instructions shall be followed in accordance with the manufacturer's instructions.

Clean mixing equipment shall be used to avoid contamination. Mix and proportions shall be as directed by the manufacturer. Batches shall be only large enough to complete the specific job intended.

Patching materials shall be completely cured before painting or reinstallation of patched pieces.

3) Epoxy Consolidant and Epoxy Paste

a) Epoxy liquid wood consolidant shall be used: 1) to penetrate and impregnate deteriorated wood sections in order to reinforce wood fibers that have become softened or absorbent. 2) as a primer for areas that are to receive epoxy paste filler. Epoxy paste shall be used to fill areas where portions of wood are missing such as holes, cracks, gaps, gouges, and other voids.

D. Material Preparation:

a. Maintain containers used in mixing and applying paint in a clean condition, free of foreign materials and residue.

b. Stir material before application to produce a mixture of uniform density. Stir as required during application. Do not stir surface film into material. If necessary, remove surface film and strain material before using.

2. Exposed Surfaces: Include areas visible when permanent or built-in fixtures, grilles, convector covers, covers for finned-tube radiation, and similar components are in place.

Extend coatings in these areas, as required, to maintain system integrity and provide desired protection.

09912 - 13

a. Paint surfaces behind movable equipment and furniture the same as similar exposed surfaces. Before final installation of equipment, paint surfaces behind permanently fixed equipment or furniture with prime coat only.

b. Finish exterior doors on tops, bottoms, and side edges the same as exterior faces.

3. Scheduling Painting: Apply first coat to surfaces that have been cleaned, pretreated, or otherwise prepared for painting as soon as practicable after preparation and before subsequent surface deterioration.

a. The first coat of primer shall be applied within 48 hours of finishing surface preparation.

b. If undercoats, stains, or other conditions show through final coat of paint, apply additional coats until paint film is of uniform finish, color, and appearance.

4. Application Procedures: Apply paints and coatings by brush, roller, spray, or other applicators according to manufacturer's written instructions.

5. Minimum Coating Thickness: Apply paint materials no thinner than manufacturer's recommended spreading rate. Provide total dry film thickness of the entire system as recommended by manufacturer.

6. Mechanical and Electrical Work: Painting of mechanical and electrical work is limited to items exposed in equipment rooms and occupied spaces.

7. Prime Coats: Before applying finish coats, apply a prime coat, as recommended by manufacturer, to material that is required to be painted or finished and that has not been prime coated by others. Recoat primed and sealed surfaces where evidence of suction spots or unsealed areas in first coat appears, to ensure a finish coat with no burn-through or other defects due to insufficient sealing.

8. Pigmented (Opaque) Finishes: Completely cover surfaces as necessary to provide a smooth, opaque surface of uniform finish, color, appearance, and coverage. Cloudiness, spotting, holidays, laps, brush marks, runs, sags, ropiness, or other surface imperfections will not be acceptable.

E. CLEANING AND PROTECTING

1. At the end of each workday, remove empty cans, rags, rubbish, and other discarded paint materials from Project site.

2. Protect work of other trades, whether being painted or not, against damage from painting.

Correct damage by cleaning, repairing or replacing, and repainting, as approved by Government.

F. EXTERIOR PAINT SCHEDULE

1. Smooth Wood:

a. Acrylic Finish: Two finish coats over a primer.

1) Primer: Exterior wood primer for acrylic enamels.

2) Finish Coats: Exterior flat acrylic paint.

3) Color: Match existing.

2. Wood Trim:

a. Acrylic-Enamel Finish: Two finish coats over a primer.

1) Primer: Exterior wood primer for acrylic enamels.

2) Finish Coats: Exterior low-luster acrylic enamel.

3) Color: Dark Green. Contracting Officer to select color.

END OF SECTION 09912

:LEAD-BASED PAINT ACTIVITY 13281 - 14

SECTION 13281 – LEAD-BASED PAINT ACTIVITY

PART 1 - GENERAL

A. SCOPE

1. The following lead paint specifications apply whenever a surface to be painted contains lead and where:

a. Manual surface preparation is required (e.g. sanding, scraping)

b. Surface preparation other than manual methods is required (e.g. chemical strippers or abrasive removal)

c. Complete paint removal to the substrate is required

2. Paint can be assumed to contain lead in buildings constructed prior to 1978. Lead content can be confirmed through non-destructive testing by x-ray fluorescence (XRF) or paint chip sampling and analysis by atomic absorption (AA) or inductively coupled plasma

(ICP).

1.2 REGULATIONS

A. The publications listed below form a part of this specification to the extent referenced.

U.S. NATIONAL ARCHIVES AND RECORDS ADMINISTRATION (NARA)

29 CFR 1910 Occupational Safety and Health Standards 29 CFR 1926 Safety and Health Regulations for Construction

1.3 SUBMITTALS

A. The Contractor shall comply with all applicable regulations. Evidence of compliance with the OSHA Lead Standard – Construction Industry (29 CFR 1926.62) and Respiratory Protection Standard (29 CFR 1910.134) shall be provided. This shall include a copy of the Contractor’s Lead Compliance Program, consisting of the following minimum requirements:

1. A copy of the Contractor’s Respiratory Protection Program, including records of training and fit testing.

2. A copy of the Contractor’s Lead Exposure Assessment protocol.

3. A description of each activity in which lead is emitted including the equipment used, materials involved, control procedures, crew size, job responsibilities, operating procedures and maintenance protocols.

4. A description of specific means employed to achieve compliance, including engineering, administrative, and work practice controls.

5. A copy of the Contractor’s Personal Protective Equipment selection criteria.

6. Records of lead hazard training as required by the Lead Standard.

PART 2 - PRODUCTS (Not Applicable)

:LEAD-BASED PAINT ACTIVITY 13281 - 15

PART 3 - EXECUTION

3.1 GENERAL EXCUTION

A. The surface preparation method selected shall produce the least amount of lead dust and/or fumes. THE USE OF ABRASIVE BLASTING OR GAS FIRED TORCHES IS

PROHIBITED.

B. Government shall review and approve the surface preparation method and contaminant control measures selected for use by the Contractor.

C. The Contractor shall post proper warning signs which delineate the work area, indicating:

CAUTION LEAD HAZARD – DO NOT ENTER WORK AREA UNLESS AUTHORIZED.

D. The Contractor must ensure that all electrical connections are checked for proper grounding.

For wet areas, ground fault protection is required.

E. Access to the work area shall be limited to the Contractor, the Contractor’s employees, and persons designated by the Government. No one shall be allowed to enter the work area without an appropriate NIOSH approved respirator suitable for the work being done.

F. The Contractor shall conduct daily clean-up by vacuuming all paint chips and dust using an industrial vacuum cleaner equipped with High Efficiency Particulate Air (HEPA) filtration.

Use of household vacuum cleaners or shop vacs without HEPA filtration is prohibited.

G. The Contractor shall place all waste in suitable (DOT approved) containers, which are to be sealed, secured, and labeled at the end of each work day. Waste generated from lead abatement projects, or other projects that disturb lead containing materials, shall be segregated into the following three waste streams:

1. Solid waste generated from surface preparation activities (e.g. paint chips, dust)

2. Other solid waste (e.g. plastic sheeting, protective clothing)

3. Liquid waste (e.g. wastewater, TSP solution)

H. The Contractor shall repaint with suitable lead-free paint and shall provide a copy of the Material Safety Data Sheet for the product with the bid submittal.

3.2 EXTERIOR EXCUTION

A. The Contractor shall use plastic or canvas drop cloths to catch all waste when preparing exterior surfaces. The drop cloths shall be secured to the building, cover all shrubs and trees, and extend at least eight feet from the building. Dust and chips shall be promptly removed from the drop cloths and surrounding affected areas.

B. The Contractor shall assure that all windows or doors are closed and that outdoor air intakes are protected. This also applies to adjacent buildings that are in close proximity to the work area.

C. When using surface preparation methods that generate dust, the Contractor shall construct containment areas to prevent the dispersion of lead-contaminated dust into adjacent areas and/or the environment.

:LEAD-BASED PAINT ACTIVITY 13281 - 16

D. When using pressure wash or steam systems for paint preparation, the Contractor shall collect all liquid waste. A system of collection such as gutters, troughs, leaders and barrels shall be designed by the Contractor and submitted to REHS for review and approval prior to the start of the work.

E. The Contractor shall adhere to all appropriate OSHA regulations including but not limited to scaffolds, fall protection, barricades, fire protection, personal protective equipment, and electrical.

END OF SECTION 13281