1._Special_Project_Specifications.pdf

Six Rivers National Forest

Salyer Siding Repair and Painting

SECTION 01010

SUMMARY OF WORK

PART 1 - GENERAL

1.01 WORK COVERED BY CONTRACT DOCUMENTS

A. Description:

1. The work consists of furnishing all labor, supervision, equipment, transportation and materials for the following:

2. Carefully remove exterior wood siding and trim that is damaged due to dry rot or insect damage. During the course of work if additional damage is found in stud walls; top plate; sill plates; window and door framing; etc., report to Contracting Officer before proceeding with other work.

3. The Contractor shall salvage any wood siding, wood trim and other materials in good condition to reuse.

4. Replace damaged wood siding and trim with new materials. New materials shall be solid lumber as specified in Section 06200 – Finish Carpentry. New materials shall match the dimension and wood species of the removed materials.

5. Once all the exterior repair work is complete and has been accepted, the Contractor shall prepare the exterior for painting. The Contractor shall paint all exterior siding, trim, eaves, fascia, rakes, soffits, cornices, shutters and doors etc. to match the existing paint colors unless otherwise noted.

6. The Contractor should carefully review all sections of the Specifications in order to completely understand the work and all constraints including schedule, and material requirements.

7. The Contractor is encouraged to proceed in an orderly and expeditious manner according to a construction schedule developed by the Contractor and mutually agreed upon with the Contracting Officer prior to the commencement of the work. All work is to be completed in strict accordance with the specifications and current California Building Codes.

B. Contractor's duties:

1. Except as specifically noted, provide and pay for:

a. Labor, materials and equipment.

b. Tools, construction equipment and machinery.

c. Phone and utilities required for construction.

d. All other facilities and services necessary for proper execution and completion of work.

2. Pay legally required sales, consumer and use taxes.

3. Give required notices.

4. Comply with codes, ordinances, rules, regulations, orders and other legal requirements of public authorities which bear on performance of the work.

5. Promptly submit written notice to Contracting Officer of observed variance of contract documents from legal requirements.

6. If any subcontractor or person employed by the Contractor shall appear to the

Contracting Officer to be incompetent or to act in a disorderly or improper manner, he shall be discharged immediately on the requisition of the Contracting Officer, and such person shall not again be employed on the work.

7. It is the Contractor's responsibility to obtain all necessary permits and comply with same.

1.02 CONTRACTS

A. All work is contained in this contract. The limits of work are shown in the Plans and described in these Specifications. It will be the Contractor's responsibility to coordinate their activities to resolve conflicts.

1.03 WORK SEQUENCE

A. The first order of business is submission of submittals. See Section 01300 for information on timing of Submittals.

1.04 CONTRACTOR USE OF PREMISES

A. Construction storage areas for materials and equipment shall be approved by the Contracting Officer.

B. Confine operations at site to the construction areas specified under this contract.

C. The Contractor shall coordinate the work to minimize disturbance to Forest Service personnel and the public. The Contractor shall schedule their work between 0600 and 1800, Monday through Friday. The Contractor may work during weekends and federal holidays with prior written approval from the Contracting Officer.

D. Water, restrooms and electric power is available at the project site.

E. Do not encumber site with materials or equipment.

F. Do not load structure or roadway with weight that will endanger or render unusable any structures or roadways.

G. Assume full responsibility for protection and safekeeping of products stored on premises.

H. Move any stored products which interfere with operations of Forest Service or other

Contractor.

I. Return all surface areas to their original condition upon completion of the work.

PART 2 - PRODUCTS

Not Used.

PART 3 – EXECUTION

Not Used.

PART 4 – MEASUREMENT AND PAYMENT

Not Used

END OF SECTION 01010

SECTION 01300

SHOP DRAWINGS AND SUBMITTALS

1.01 SCOPE:

A. Perform all work necessary and required for the construction of the project as indicated. Such work includes but is not limited to the following:

1. Shop Drawings

2. Samples

3. Catalog Data

1.02 SUBMITTALS

A. Submittals shall include all pertinent data required to understand the quality of components, dimensional relationships, integration with other materials, assembly techniques, structural aspects, color, finish, texture, and other such characteristics as may be necessary to fully describe the item and its intended use.

2.01 SUBSTITUTIONS

A. Contracting Officer's approval required:

1. The Contract is based on the materials, equipment, and methods described in the Contract Documents.

2. The Contracting Officer will consider proposals for substitution of materials, equipment, and methods only when such proposals are accompanied by full and complete technical data and all other information required by the Contracting Officer to evaluate the proposed substitution.

3. Do not substitute materials, equipment, or methods unless such substitution has been specifically approved for this work by the Contracting Officer.

B. "Or equal":

1. Where the phrase "or equal" occurs in the Contract Documents, do not assume that material, equipment, or methods will be approved as equal by the Contracting Officer unless the item has been specifically approved for this work by the Contracting Officer.

2. The decision of the Contracting Officer shall be final.

C. Availability of specified items:

1. Verify prior to bidding that all specified items will be available in time for installation during orderly and timely progress of the work.

2. In the event specified item or items will not be available, notify the Contracting

Officer prior to receipt of proposals.

3. Costs of delays because of non-availability of specified items, which such delays could have been avoided by the Contractor, shall be the responsibility of the Contractor.

PART 3 - EXECUTION

3.01 SUBMITTALS

A. Submittals and shop drawings shall be submitted in a timely fashion to allow 7 days for review by the Government. "No work shall begin until shops drawings and submittals are approved".

3.02 SHOP DRAWINGS

A. Original Submittal: A reproducible and four copies of all shop drawings shall be submitted for approval as required under 3.01 above prior to fabrication, installation or order placement to allow for checking and coordination. The Contracting Officer will retain the reproducible.

B. Resubmittal: When a resubmittal is required, one print so indicating will be returned to the Contractor. After revision of the original, a new reproducible and four copies shall be submitted for approval.

C. Approval: Once approved, stamped documents shall be returned to the Contractor and shall be complied with as noted. Variation from the approved documents shall be likewise submitted and approved before being carried out.

3.03 SAMPLES

A. Original Submittal: Two samples of each item for which samples are required, unless otherwise specified, shall be furnished for approval. Approval shall be obtained prior to delivery of the material to the project site. These samples shall be representative of the actual material proposed for use in the project and of sufficient size to demonstrate design, color, texture and finish as they will appear in the completed installation.

B. Resubmittals: All rejected samples will be returned upon request and any or all resubmittals required shall consist of two new samples.

C. Approval: Upon approval, one sample so noted will be returned and the Contracting

Officer will retain the remainder until completion of the work. When requested, all approved samples will be returned for installation providing identity is maintained in an approved manner until final acceptance of the project.

3.04 CATALOG DATA

A. Submittals: Four copies of catalog data are required for the original submittal and each resubmittal. Catalog data shall be submitted along with shop drawings. One copy will be returned unless additional copies are requested.

B. Data: Each submittal shall have all pertinent data contained therein that is applicable to the item submitted for approval.

3.05 IDENTIFICATION

A. Catalog Data: Each separate catalog brochure or page submitted shall have the identification shown. Catalog of brochures submitted containing multiple items for approval need have only cover identification. In such cases the identification shall include page and catalog item numbers.

B. In the event one or more of the multiple items are not approved in any submittal, the additional copies required will not be requested until all items are approved.

END OF SECTION 01300

SECTION 01560

SITE AND AREA CLEANUP

1.01 DESCRIPTION

A. Maintain work areas free from accumulations of waste, debris, dust and mud caused by Contractor's operations.

B. At completion of Work, remove all waste materials, tools, equipment, machinery, surplus materials; leave property clean; leave all rights of ways in a condition equal to that at the beginning of Work.

PART 3 - EXECUTION

3.01 DURING CONSTRUCTION

A. Execute cleaning to insure that any private property, grounds and especially access roads and public properties are maintained free from accumulation of waste materials, dust, mud and debris.

B. The Contractor shall keep all access roads clean and free of dust, mud and debris resulting from his own operations.

C. All waste materials, debris and rubbish shall be recycled or disposed of at legal solid waste facilities to be chosen and paid for by the Contractor.

D. If the Contractor does not properly clean up (in the opinion of the Contracting

Officer), then the Contracting Officer shall have the option of using outside equipment to perform the work and such cost will be withheld from the Contract.

END OF SECTION 01560

SECTION 01900

MOBILIZATION

1.01 SCOPE:

A. This work consists of preparatory work and operations necessary for the movement of personnel, equipment, supplies, and incidentals to the project site, and for all other work and operations that must be performed or that cause costs to be incurred prior to beginning work on the various items on the project site.

1.02 MEASUREMENT AND PAYMENT

A. The accepted quantities will be paid for at the contract unit price for item 01900

Mobilization.

B. Progress payments will be made as follows:

1. The Government will pay to the Contractor in the first progress payment the total premium paid by the Contractor to obtain bonds. This payment shall not be in addition to the contract price and will be included in Item 01900, Mobilization.

2. When 5 percent or more of the original contract amount is earned from other pay items, 50 percent of the amount for mobilization, or 5 percent of the original contract amount, whichever is less, will be paid.

3. When 10 percent or more of the original contract amount is earned from other pay items, 100 percent of the amount for mobilization, or 10 percent of the original contract amount, whichever is less, will be paid.

4. Upon completion of all work on the project, any unpaid amount for item

01900, Mobilization, will be paid.

C. The total of all payments will not exceed the original contract amount for item

01900, Mobilization.

PART 2 - PRODUCTS

Not Used

PART 3 – EXECUTION

4.01 Measurement and Payment - Payment will be made for work included under this section. Payment for this work will be included in the contract unit price for Item 1 - Mobilization.

END OF SECTION 01900

SECTION 02050

DEMOLITION

PART 1 - GENERAL

1.01 DESCRIPTION

Demolition and removal of damaged siding, trim and exterior wood components.

1.02 QUALITY ASSURANCE

Comply with all pertinent codes and regulations.

1.03 JOB CONDITIONS

A. Existing Conditions:

1. Hazardous materials disclosure.

Lead base paint has been found in building materials at Building #1030. Areas of concern are indicated in the attached 2004 Lead Surveys Report. The Contractor shall take required precautionary measures in the handling of any hazardous materials during the course of construction.

Since Lead Surveys were not conducted on Building #2230, the Contractor shall treat building paint materials as if they contain lead. The Contractor shall take the same precautionary measures on Building #2230 as with Building #1030.

B. Disposition of material:

1. Title to materials:

Title to all materials to be removed, except as specified otherwise, is vested in the Contractor upon receipt of notice to proceed. The Forest Service will not be responsible for the condition or loss of, or damage to, such property after notice to proceed.

2. Reuse of materials and equipment:

Carefully remove and store materials and equipment indicated to be reused or relocated to prevent damage, and reinstall as the work progresses.

3. The Contractor shall submit a plan for the disposal of any hazardous materials encountered during demolition. The plan shall describe the manner the construction debris will be removed from the site and identify disposal sites that will be utilized.

C. Protection:

1. The Contractor shall be responsible for and protect existing facilities from damage including temporary protection.

2. The Contractor shall maintain continuous security by providing temporary door and openings around the perimeter of the existing building where existing closures are removed or not operable.

3. Where the building is exposed to the weather due to work specified, provide temporary closures for its protection. Remove the temporary closures as the work progresses and the existing and new construction is closed in. Protect all openings and keep openings weather proof and watertight at all times.

D. Cleanup:

1. Debris and rubbish:

Contain, remove and transport debris and rubbish. Other applicable requirements are included under Section 01560, Site and Area Cleanup.

2. General:

Use all means necessary to protect existing structures designated to remain and, in the event of damage, immediately make all repairs and replacements necessary at no additional cost to the Forest Service.

PART 3 - EXECUTION

3.01 SITE INSPECTION

A. Prior to any demolition work, carefully inspect the site and determine the extent of work involved.

B. Report any discrepancy to the Contracting Officer immediately.

3.02 SHORING AND BRACING

Provide any temporary shoring or bracing which may be required during demolition.

3.03 SAFETY

All work shall conform to pertinent OSHA regulations and to other State and local codes and ordinances as applicable.

3.04 REMOVAL OF DEBRIS

Properly handle and remove all debris from the site and leave the site in a neat and orderly condition.

PART 4 – MEASUREMENT AND PAYMENT

4.01 Measurement and Payment – Work included under this section shall be incidental to the pay items for each building listed in the Schedule of Items.

END OF SECTION 02050

SECTION 062000

FINISH CARPENTRY

PART 1 - GENERAL

1.01 SUMMARY

A. Section Includes: Provide finish carpentry with accessories as required for complete installation. .

1. Provide exterior tongue and groove wood siding to match existing.

2. Provide exterior wood trim to match existing.

3. Provide finish wood components for complete repair of existing damage.

B. Related Sections:

1. Section 09900: Painting.

1.02 REFERENCES

A. Architectural Woodwork Standards (AWS), Edition 1, 2009.

1.03 SUBMITTALS

A. Product Data: Submit literature for manufactured items.

B. Shop Drawings: Indicate materials and wood species, component profiles, fastening, and joining details, finishes, and accessories.

C. Samples: Furnish samples of each type of finish carpentry.

D. Certificates:

1. Assurance Options: AWS certification and monitored compliance programs will not be required for finish carpentry.

1.04 DELIVERY, STORAGE, AND HANDLING

A. Do not deliver materials until site conditions are adequate to receive work;

protect items from weather while in transit.

B. Store materials indoors, in ventilated areas with constant but minimum temperature of 60 degrees F and maximum relative humidity of 25% to 55%.

C. Immediately remove from site materials with visible mold and materials with mildew.

2.01 MATERIALS

A. System Description: Provide finish carpentry systems specified complying with Architectural Woodwork Standards (AWS) and including accessories as required for complete installation.

B. Opaque Painted Exterior Siding and Wood Trim:

1. Quality: AWS/Custom Grade.

2. Wood: Clear Western Red Cedar acceptable.

3. Cut: Mixed Grain.

4. Texture: Surfaced.

D. Wood Filler: Color to match wood being filled.

E. Volatile Organic Compound (VOC) Emissions: Select materials that generate least amount of pollution; consider pollution and volatile organic compound (VOC) emissions generated during manufacturing, transport, installation, use, and disposal.

1. Use adhesives, sealants, coatings, fillers, and sealers complying with low or no volatile organic compound emissions, no added formaldehyde, and no toxic materials as defined by applicable codes and regulations.

2. Avoid materials that contain ozone depleting chemicals and that emit potentially harmful volatile organic compound (VOC) emissions.

3. Avoid materials that can leach harmful chemicals into ground water; do not allow potentially harmful chemicals to enter sewers nor storm drains.

4. Select materials that can be reused or recycled and materials with significant percentage of recycled content; set specific recycled content percentages for individual materials; avoid materials difficult to recycle.

2.02 FABRICATION

A. Fabricate finish carpentry items in accordance with specified quality standard.

B. Use exposed fastening devices or nails only when approved and unavoidable; arrange neatly.

PART 3 - EXECUTION

3.01 EXAMINATION

A. Field Measurements: Take field measurements prior to preparation of shop drawings and fabrication where possible; do not delay job progress, allow for trimming and fitting.

B. Verify surfaces are ready to receive work and field measurements are as shown on shop drawings.

C. Inspect each piece of finish carpentry and discard damaged and defective pieces.

3.02 INSTALLATION

A. Install work consistent with specified AWS quality grade, plumb, level, true and straight with no distortions; shim as required, using concealed shims.

1. Prime and back prime unfinished wood surfaces prior to installation;

comply with requirements of Section 09900 – Painting.

B. Secure work to blocking with countersunk, concealed fasteners and blind nailing as required for a complete installation.

C. Scribe and cut for accurate fit to other finished work.

D. Install trim in single, unjointed lengths for openings and for runs less than 10'-0".

1. For longer runs, use only one piece less than 10'-0" in any straight run;

provide scarf joints between members.

2. Stagger joints in adjacent members.

3. Cope at returns and miter at corners.

E. Accessories: Install accessories in accordance with manufacturer's recommendations in locations indicated or as directed by Owner.

F. Acceptable Tolerances:

1. Variation from True Position: Maximum 1/16" at any position and maximum 1/8" in any 10'-0" length.

2. Adjoining Surfaces of Same Material: No variation permitted.

3. Offset with Abutting Materials: Maximum 1/32".

G. Preparation for Field Finishing:

1. Sand work smooth and set exposed nails and screws.

2. Apply wood filler in exposed nail and screw indentations and leave ready to receive site-applied finishes.

3. Seal concealed and semi-concealed surfaces; brush apply only, using primer consistent with finish coats specified under Section 09900 – Painting.

END OF SECTION 06200

SECTION 07280

BUILDING ENVELOPE UNDERLAYMENT

1.01 SUMMARY

A. Provide building envelope underlayment systems including siding, flashing and sheet metal, and penetration underlayment with accessories as required for complete watertight installation in locations where siding is replaced or as necessary to prevent future water incursion.

1. Siding Underlayment: Provide one layer No. 15 building paper underlayment and flashing for siding applications, with related concealed metal flashings and accessories for complete watertight installation.

2. Flashings and Sheet Metal Underlayment: Provide one layer self-adhering sheet membrane underlayment at flashings and sheet metal, with accessories for complete watertight installation.

3. Self-Adhering Sheet Membrane (SASM) Flashing at Penetrations: Provide one layer SASM flashing around penetrations through underlayment including windows and doors, with accessories for complete watertight installation.

1.02 SUBMITTALS

A. Product Data: Furnish manufacturer’s literature for each type of underlayment.

B. Samples: Furnish samples of each material.

PART 2 - PRODUCTS

2.01 MATERIALS

A. System Description: Provide complete building envelope underlayment systems including siding, flashing and sheet metal, and penetration underlayment with accessories.

B. Regulatory Requirements: Provide materials conforming to applicable air quality management district limitations on volatile organic compound (VOC) emissions.

C. Regulatory Requirements: Provide materials with minimum volatile organic compound (VOC) emissions available.

D. Siding Underlay: Unperforated asphalt saturated organic felt, conforming to ASTM D226, Type I, commonly referred to as No. 15.

E. Sheet Metal and Flashing Underlayment: Self-adhering rubberized sheet membrane with primers and seam sealers as required for complete watertight installation; type as recommended by manufacturer for substrate and for applications indicated.

1. Acceptable Manufacturers:

a. Grace Construction Products.

b. Henry Company.

c. Carlisle Corp.

d. Protecto Wrap Company.

e. Substitutions: Refer to Section 01300.

F. Self-Adhering Sheet Membrane (SASM) Flashing at Penetrations: SASM with primers and seam sealers as required for complete watertight installation; type as recommended by manufacturer for substrate and for applications indicated.

1. Acceptable Manufacturers:

a. Grace Construction Products.

b. Henry Company.

c. Carlisle Corp.

d. Protecto Wrap Company.

e. Substitutions: Refer to Section 013000.

G. Concealed Metal Flashings Integral with Underlayments: Minimum 26 gage thick steel with minimum 0.90 oz/sq.ft. galvanized coating; ASTM A653.

H. Fasteners: Standard round wire type of hot dipped galvanized steel; minimum

19/64" head diameter and 0.104" shank diameter; minimum 7/8" long.

I. Bituminous Paint: Acid and alkali resistant type; black color.

J. Accessories: Provide as recommended by underlayment manufacturers for specific applications.

1. Plastic Cement: Cutback asphaltic type with mineral fiber components, for sealing and coating flashings; free of toxic solvents and free of asbestos. Capable of setting within 24 hours at temperatures of approximately 75 degrees F and 50% R.H.

2.02 FLASHING FABRICATION

A. Fabricate metal flashings as recommended by Sheet Metal and Air Conditioning

Contractors National Association (SMACNA) "Sheet Metal Manual".

B. Form flashings to drain water to exterior siding construction for penetrations, sill and header flashings.

C. Form sections square, true and accurate to size, in maximum possible lengths and free from distortion and other defects detrimental to appearance or performance.

D. Hem exposed edges of metal flashings minimum 1/4" on underside.

E. Apply bituminous paint on concealed surfaces of metal flashings.

PART 3 - EXECUTION

3.01 PREPARATION

A. Install underlayment over surfaces that are dry, free of ridges, warps and voids that could damage paper.

B. Coordinate installation with installation of components and items projecting through underlayment.

3.02 FLASHINGS INSTALLATION

A. Install flashings as recommended by Sheet Metal and Air Conditioning Contractors National Association (SMACNA) "Sheet Metal Manual".

B. Weatherlap joints minimum 2" and seal with plastic cement; secure in place.

C. Fastenings: Concealed in completed installation.

3.03 UNDERLAYMENT INSTALLATION

A. Install underlayment in accordance with recommendations of underlayment manufacturer and of manufacturers of products to cover underlayment; comply with applicable code requirements.

1. Layers: Weatherlap joints as recommended by system manufacturer, not less than 2” at building paper.

2. Secure underlayment in place, stagger joints between layers; lap ends minimum

6"; stagger end joints.

3. Apply layer of self-adhering sheet membrane extending minimum 18" from penetrations, including windows and doors; start at bottom of penetration and weatherlap joints; apply top layer over metal flashing to direct water to exteriorB.

Apply plastic cement to substrate prior to application of underlayment starter strips to prevent capillary movement of water back up beneath underlayment.

C. Weatherlap items projecting through underlayment and seal with plastic cement at building paper underlayment, with sealer recommended by sheet membrane underlayment manufacturer at sheet membrane underlayment.

END OF SECTION 07280

SECTION 09900

PAINTING

1.01 DESCRIPTION

A. This Section includes:

1. Surface preparation and field painting of specified exterior items and surfaces.

1.02 SUBMITTALS

A. Product Data:

1. Material list of required coating materials. Identify each material by manufacturer's catalog number and general classification, and cross-reference specific coating, finish system, and application.

2. Manufacturer's technical information, including label analysis and instructions for handling, storing, and applying each coating material.

1.03 QUALITY ASSURANCE

A. Use skilled workers who are trained and experienced in the crafts and familiar with requirements and methods needed for proper performance of work of this section.

PART 2 - PRODUCTS

2.01 MANUFACTURERS

A. Subject to compliance with requirements, products that may be incorporated into the work include, but are not limited to, products listed in these specifications.

Materials shall all be first quality products meeting the requirements listed below.

The Sherwin Williams products listed are given to establish the type and quality of products to be used.

1. Exterior:

Unfinished Wood Trim and Siding – Sherwin Williams Exterior Oil Based Primer. One coat.

Wood Trim and Siding: - Sherwin Williams Emerald Exterior Acrylic Latex.

Two finish coats.

Wood Doors and Shutters – Sherwin Williams Emerald Exterior Acrylic Latex.

Two finish coats.

Salient characteristics of Sherwin Williams Emerald Exterior Acrylic Latex include:

a. Self-priming with stain blocking.

b. Resistant to blistering, peeling and dirt pickup.

c. Anti-microbial agents inhibit the growth of mold and mildew on the paint surface.

d. APEO Free.

e. GreenSeal GS-11 Compliant.

2.02 COLOR SCHEDULE

Color schedule for all buildings in this project is as follows. The Contractor shall submit color chips to the Contracting Officer for final color selection.

A. Exterior of Building

1. Body of Building – “color and sheen to match existing”.

2. Exterior Doors – “color and sheen to match existing.”

3. Trim, Eaves, Rake, Fascia and Shutters – “color and sheen to match existing”.

4. Note: green trim on Building #2230 shall match green trim on Building #1030.

PART 3 - EXECUTION

3.01 PRODUCT HANDLING

All painting material shall be delivered to the site in the manufacturer's original containers with labels intact and seals unbroken. If stored, the material shall not be subject to freezing.

3.02 PROJECT CONDITIONS

Apply water-based paints only when the temperature of surfaces to be painted and surrounding air temperatures are between 50 and 90 deg F. Surfaces shall be painted only when they are free from moisture. Do not apply paint in snow, rain, fog, or mist; or when the relative humidity exceeds 85 percent; or at temperatures less than 5 deg F above the dew point; or to damp or wet surfaces.

3.03 SURFACES EXEMPT FROM PAINTING

1. Do not paint prefinished items, concealed surfaces, finished metal surfaces, operating parts, and labels.

2. Unless otherwise noted, do not paint concealed surfaces and generally inaccessible spaces.

3. Unless otherwise noted, do not paint finished metal surfaces of, anodized aluminum, stainless steel, chromium plate, copper, bronze and brass.

4. Do not paint moving parts of operating equipment units such as valve operators, linkages, sensing devices, motor and fan shafts.

5. Do not paint over code-required or equipment name, identification, performance rating, or nomenclature plates.

3.04 PREPARATION OF JOINTS

A. Completely seal with caulking compound all joints around frames and sills of doors, windows, flashing, other openings in exterior walls, and all other joints or spaces to be caulked according to manufacturer's recommendations.

Caulking compound shall be latex caulking or an approved equal.

B. Joints and spaces to be caulked shall be clean and free from dust and shall be dry. Joints shall be filled slightly convex. Caulk joints before final coat of paint or stain is applied to adjacent work. Where caulking will not be painted or stained, color shall match that of adjacent materials.

C. Apply compound with gun having proper sized nozzle or with knife as required. Use sufficient pressure to fill all joints solid; superficial pointing of joints with a skin bead will not be accepted. Remove excess caulking and leave surfaces neat, smooth, and clean. Upon completion, the caulking shall have a smooth, even finish. All caulked joints shall be watertight.

3.05 PREPARATION OF SURFACE

A. Surfaces to be painted shall be clean and free of dirt, dust, and any other substance which might interfere with the functioning of the painting system.

All surfaces to be painted shall be in proper condition to accept and assure the proper adhesion and functioning of the particular painting system or coating specified.

B. All steel and ferrous metal surfaces to be painted will be primed before installation. Bolts, welds, and places where prime coat has been damaged shall be wire brushed to remove all loose paint, rust, and scale and then given one coat of ferrous metal primer.

C. Wood surfaces shall be hand sandpapered and dusted clean. All knots, pitch pockets, or sappy portions shall be sealed with clear shellac or knot sealer.

Putty all nail holes, cracks, etc. after first or prime coat. Do not seal wood surfaces to receive stain or natural finish. Do not sandpaper saw textured or resawn surfaces.

D. Prime coats and finish coats of any one paint system shall be the products of the same manufacturer except for manufacturer-applied factory or shop primed surfaces.

3.06 WORKMANSHIP AND APPLICATION

A. Paint shall be applied in accordance with the applicable specification and/or manufacturer's instructions.

B. Paints and finishing materials shall be free from skins, lumps, or any foreign matter and kept well stirred while being applied.

C. Work shall be protected from splatters, stains, or spoiling and each type of finish shall be protected against similar defacement by other finish and shall be left clean.

D. Each coat of paint shall be evenly worked out and allowed to dry before any subsequent coat is applied or rubbing done.

E. Finish coats shall be the exact shades and textures selected.

F. The finish work shall be free from runs, sags, defective brushing, and clogging of lines or angles.

3.07 SCHEDULING PAINTING

1. 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.

2. The number of coats and the film thickness required are the same regardless of application method. Do not apply succeeding coats until the previous coat has cured as recommended by the manufacturer. If sanding is required to produce a smooth, even surface according to manufacturer's written instructions, sand between applications.

3. Omit primer on metal surfaces that have been shop primed and touchup painted.

4. 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. Give special attention to ensure edges, corners, crevices, welds, and exposed fasteners receive a dry film thickness equivalent to that of flat surfaces.

5. Allow sufficient time between successive coats modifying period as recommended by material manufacturer, to permit proper drying.

6. Do not recoat surfaces until paint has dried to where it feels firm, does not deform or feel sticky under moderate thumb pressure, and where application of another coat of paint does not cause the undercoat to lift or lose adhesion.

3.08 PAINT APPLICATION

A. Brush and Roller Application:

1. Brushes: Use brushes best suited for the type of material applied. Use brush of appropriate size for the surface or item being painted.

2. Rollers: Use rollers of carpet, velvet back, or high-pile sheep's wool as recommended by the manufacturer for the material and texture required.

3. Brush or roll out and work coats onto surface in an even film.

4. Cloudiness, spotting, holidays, laps, brush or roller marks, runs, sags and other surface imperfections to be repaired.

B. Spray Application:

1. Use airless spray equipment with orifice size as recommended by the manufacturer for the material and texture required.

2. Where spray application is used, apply each coat to provide hiding equivalent to brush coats.

3. Do not double back with spray equipment to build up film thickness of two coats in one pass.

C. Minimum Coating Thickness:

1. Apply paint materials no thinner than manufacturer's recommended spreading rate. Provide the total dry film thickness of the entire system specified, but in no case less than recommended by manufacturer.

3.09 TOUCHING UP

After the completion of other branches of the work, all painted and finished work shall be touched up and restored where damaged or defaced and the entire work left free from blemish.

3.10 CLEANING

A. Cleanup: At the end of each workday, remove empty cans, rags, rubbish, and other discarded materials create by Work of this Section, and dispose of in a legal manner.

1. Do not dump waste materials, including thinners, on site.

2. Do not use sanitary or storm drains.

END OF SECTION 09900