Proj_Specs-_Scott_Valley_Roof_Replacement_Phase_II_REVISED.pdf

PROJECT SPECIFICATIONS – PHASE II

AG-9AC7-S-15-0108

AMENDMENT 004

AMENDMENT 004 SCOTT VALLEY HISTORIC STRUCTURE ROOF REPLACEMENT PHASE II

SECTION 01010

SUMMARY OF WORK

PART 1 GENERAL

1.01 SCOPE: Furnish all labor, equipment and materials required to renovate or repair facility as described in the contract documents. The work of this contract shall consist of removal of existing roofing system and reconstruction/repairs to rear porch overhang, installing new 7/16”

OSB sheathing with 30 lb roofing paper over existing roof rafters for installation of a completely weatherproof metal shake roof system and seamless gutter and downspout system. The new roofing work shall include but not be limited to installing: sheathing, roofing paper, ice and water shield, metal roof shakes, metal eave trim, metal gable channels and trim, metal valley flashing, metal ridge caps, and flashing/sealing all roof penetrations and all other work necessary for a complete and weather tight roof system. Installation of fascia boards, soffits, and eve blocking systems to support installation of gutters, including priming and painting of new wood materials. The porch overhang repair work includes but not necessarily limited to removal and reconstruction of porch roof overhang with framing members, hardware and tie-in to existing roof rafter system, consistent with industry standards for construction materials and framing methods. Demolition shall be limited to that necessary for tie in with existing structure. Existing siding and related materials removed during demo shall be salvaged and repaired to blend with points of tie-in or replaced and repaired to match existing. Finish paint two coats (exterior primer and top coat) to match existing color to the extent practicable. Overhang shall be such that it is consistent with the intent and purpose that is currently in place but to fully support the new roofing work with a sound installation. Contractor to submit details of framing for government review and concurrence prior installation of porch overhang as well as any wood fascia, soffit and/or eve blocking systems for gutter installations All work shall be done in accordance with the contract documents and applicable state and local adopted building, electrical and plumbing codes.

1.02 CODES AND STANDARDS: All work shall be done in accordance with the 2010

California Building Code and as specified elsewhere in these specifications.

1.03 GOVERNMENT FURNISHED: Power and water are on the site for use by the Contractor.

Restrooms for construction workers shall be provided by the Contractor. Contractor shall be responsible for locating and protecting above and below ground utilities in the project areas.

1.04 WORK COORDINATION: The Contractor shall coordinate the work, scheduling, and traffic controls, as the case may be, with the Contracting Officer. The contractor is to be aware that other contractors may be working in the area and must coordinate work efforts to minimize conflicts. Pavement, buildings, landscaping and other improvements shall be protected by the contractor. The contractor shall be responsible for repairing any damage to improvements. All demolished materials generated by the work shall be removed from government land and disposed of by the contractor.

1.05 LOCATION: The project is located at the US Forest Service’s Fort Jones Work Center building No. 4950002 on Bridge Street in Fort Jones, CA, owned by the Klamath National

Forest. Refer to project maps.

1.06 MEASUREMENT AND PAYMENT: Measurement will be by the completed job and payment will be on a Lump Sum Unit Basis as provided for in Section B. Such payment will be considered full compensation for providing all materials, labor, equipment, tools and incidentals to remove and reconstruct the items as described in these specifications.

PART 2 PRODUCTS

2.01 MATERIALS: As specified elsewhere in these specifications.

PART 3 EXECUTION

3.01 As specified elsewhere in these specifications.

END OF SECTION

SECTION 01060

REGULATORY REQUIREMENTS

PART 1 - GENERAL

1.01 SCOPE: This section describes the codes and standards which apply to the work in this contract. Additional codes and standards may apply as specified elsewhere in the specifications.

1.02 CODES AND STANDARDS

A. The following codes and standards shall apply to the work in this contract:

1 Building Code: 2010 CBC (2010 California Building Code – CCR Title 24, Part 2)

B. Unless otherwise specified in this contract, reference to a specific standard or specification shall mean the latest edition or amendment in effect on the date of the invitation to bid.

1.03 DEFINITIONS: Administrative Authority as used in the referenced codes is the

Contracting Officer.

1.04 MEASUREMENT AND PAYMENT: No separate measurement or payment will be made for the work of this section.

PART 2 – PRODUCTS NOT APPLICABLE

PART 3 – EXECUTION NOT APPLICABLE

SECTION 01340

SUBMITTALS

PART I GENERAL

1.01 SCOPE: This work consists of furnishing samples, shop drawings, pertinent data, catalog cut sheets and the submittal of technical information, including requests for substitutions. It describes the review time for submittals, shop drawings, and substitutions.

1.02 MEASUREMENT AND PAYMENT: No separate measurement or payment will be made for the work specified in this section.

PART 2 PRODUCTS

Not Applicable

PART 3 EXECUTION

3.01 SUBMITTALS

A. Samples: Provide samples and/or submittal materials, unless otherwise specified or directed by the Contracting Officer, of the proposed materials and of sufficient size to demonstrate design, materials, color, texture and finish. Samples/submittals for the following shall be provided:

1. Roofing Materials

2. Gutter & Downspout materials

3. Wood Fascia, Soffit and Eve Blocking Details

4. Paint

11.Others items as may be as required herein or elsewhere in these specifications.

3.02 APPROVALS: Approval of satisfactory samples, substitutions and shop drawings will be made within 14 calendar days of the receipt of the submittal. Upon approval two copies of the approved shop drawings, samples and other items will be returned to the contractor. The

Contracting Officer will retain the reproducible.

3.03 RESUBMITTAL: When a resubmittal is required, one print so indicating will be returned to the Contractor. After revisions of the original, three new copies including one reproducible shall be submitted for approval.

3.04 TIMING: Make submittals far enough in advance of the scheduled dates of installation to provide time for reviews, for securing necessary approvals, for possible revisions and resubmittals and for placing orders and securing delivery.

3.05 No portion of the work requiring a shop drawing, sample, or catalog data shall be started nor shall any materials be fabricated or installed prior to the approval of such Item.

SECTION 01640

PRODUCT HANDLING

PART 1 GENERAL

1.01 DESCRIPTION: Work includes protecting products scheduled for use in the work by means including, but not necessarily limited to, those described in this section.

1.02 QUALITY ASSURANCE: Include within the Contractor's quality assurance program such procedures as are required to assure full protection of work and materials.

1.03 TESTING LABORATORY RECOMMENDATIONS: Except as otherwise approved by the

Contracting Officer, determine and comply with testing Laboratory's recommendations on product handling, storage and protection.

1.04 PACKAGING:

A. Delivery of products to the job site:

1. Maintain packaged materials with seal unbroken and labels Intact until time of use.

2. Promptly remove damaged material and unsuitable items from the job site, and promptly replace with material meeting the specified requirements, at no additional cost to the Government.

B. The Contracting Officer will reject as non-complying such material and products that do not bear identification satisfactory to the Contracting Officer as to grade, quality, and other pertinent information.

1.05 PROTECTION:

A. Protect finished surfaces over which equipment and materials are handled.

B. Maintain finished surfaces suitably protected until accepted by the Government.

1.06 REPAIRS AND REPLACEMENTS:

A. In event of damage, promptly make replacements or repairs to the item as directed and approved by the Contracting Officer and at no additional cost to the Government.

B. Additional time required to secure replacements and to make repairs will not be considered by the Contracting Officer to justify an extension of the contract time.

1.07 MEASUREMENT AND PAYMENT: No separate measurement or payment will be made for work specified in this section.

PART 2 PRODUCTS - NOT APPLICABLE

PART 3 EXECUTION - NOT APPLICABLE

SECTION 01711

CLEAN UP AND DISPOSAL

PART I GENERAL

1.01 SCOPE: This work consists of the cleanup required in areas affected by the construction, the final cleanup of the project, and the disposal of refuse and excess material resulting from construction operations.

1.02 MEASUREMENT AND PAYMENT: No separate measurement or payment will be made for the work specified in this section.

PART 2 PRODUCTS

2.01 PRODUCTS: All cleaning materials and equipment used shall be selected and used with care to avoid scratching, marring, defacing, staining or discoloring the surfaces cleaned.

PART 3 EXECUTION

3.01 EXCESS MATERIALS AND REFUSE: All refuse and unused materials generated by the

Contractor's operations including wood, asphalt, concrete, vegetative materials and the like shall be removed from the project site and disposed of off Government land in accordance with local regulations.

3.02 CLEAN–UP DURING CONSTRUCTION: The Contractor as required to prevent accidents to personnel and protect all work in-place shall perform clean-up. Construction clean-up shall consist of the removal of all dirt, trash, scrap, debris, and excess materials from any floor space or walking surface that may cause the tripping or sliding of workers, ladders, equipment and the like.

3.03 FINAL CLEAN-UP: Immediately prior to the Contractor's request for final inspection of the project, a thorough final cleanup of the entire project site shall be performed.

3.04 QUALITY OF CLEAN-UP: In addition to the normal "broom clean" requirements, the exposed surfaces of the following materials shall be cleaned as listed below:

A. Glass: Remove debris and wash clean.

B. Painted Surfaces: Remove marks, stains, fingerprints, and dirt.

C. Roof: Remove dust, dirt, and debris. Clean all gutters.

D. Hardware: Clean.

E. Site: Remove all trash, debris, and surplus excavated material. No items shall be left or discarded elsewhere on the site. Items that will be discarded shall be removed from

Government property and disposed of in accordance with all applicable state and local regulations. Leave premises "broom clean”.

F. Toilet Fixtures and Accessories: Remove protective covering, spots, dirt, paint, labels, and adhesives. Wash clean and clear.

G. General: Remove paper labels from glass fixtures and equipment only after respective items have been inspected, verified and approved to assure that each complies with requirements of the Specifications and Drawings. Labels and plates that are permanently attached to equipment shall not be removed. Remove paint and clean all permanent labels so that they are legible.

3.05 SALVAGEABLE ITEMS: Salvageable items not intended for use in this contract and not specifically designated to remain on the property of the Government shall become the property of the Contractor.

SECTION 06100

ROUGH CARPENTRY

1.01 SCOPE: The work of this Section consists of furnishing and installing all rough carpentry such as; posts, supports, beams, framing, rafters, decking, stud walls, connectors, sheathing, siding and the like, in order to accomplish the work described herein or elsewhere in these specifications.

1.02 SUBMITTALS

A. Product data. Unless otherwise indicated, submit the following for each type of product provided under work of this Section:

1. Recycled Content:

a. Engineered Wood Products:

1) Indicate recycled content; indicate percentage of consumer and post-consumer recycled content per unit of product.

2) Indicate relative dollar value of recycled content product to total dollar value of product included in project.

3) If recycled content product is part of an assembly, indicate the percentage of recycled content product in the assembly by weight.

4) If recycled content product is part of an assembly, indicate relative dollar value of recycled content product to total dollar value of assembly.

b. Salvaged Lumber: Provide documentation certifying products are from salvaged lumber sources.

c. Recovered Lumber: Provide documentation certifying products are from recovered lumber sources.

2. Local/Regional Materials:

a. Sourcing location(s): Indicate location of extraction, harvesting, and recovery;

indicate distance between extraction, harvesting, and recovery and the project site.

b. Manufacturing location(s): Indicate location of manufacturing facility; indicate distance between manufacturing facility and the project site.

c. Product Value: Indicate dollar value of product containing local/regional materials; include materials cost only.

d. Product Component(s) Value: Where product components are sourced or manufactured in separate locations, provide location information for each component. Indicate the percentage by weight of each component per unit of product.

3. VOC data:

a. Adhesives:

1) Submit manufacturer’s product data for adhesives. Indicate VOC limits of the product. Submit MSDS highlighting VOC limits.

2) Submit Green Seal Certification to GS-36 and description of the basis for certification.

3) Submit manufacturer’s certification that products comply with SCAQMD

Rule 1168 in areas where exposure to freeze/thaw conditions and direct exposure to moisture will not occur. In areas where freeze/thaw conditions do exist or direct exposure to moisture can occur, submit manufacturer’s certification that products comply with Bay Area AQMD Reg. 8, Rule 51 for containers larger than 16 oz and with California Air Resources Board (CARB) for containers 16 oz or less.

b. Engineered Wood Products: Provide documentation that composite wood and agrifiber products contain no added urea-formaldehyde resins.

1) ANSI A208.1 – 1999, Particleboard

2) ANSI A208.2 – 2002, Medium Density Fiberboard (MDF) for Interior

Applications

B. Letter of Certification(s) for Sustainable Forestry. Provide certification of lumber provided by one of the following:

1. Forest Stewardship Council (FSC): Provide letter of certification signed by lumber supplier. Indicate compliance with FSC "Principles for Natural Forest Management" and identify certifying organization.

a. Submit FSC certification numbers; identify each certified product on a line-item basis.

b. Submit copies of invoices bearing the FSC certification numbers.

2. Sustainable Forestry Board: Provide letter of certification signed by lumber supplier. Indicate compliance with the Sustainable Forestry Board’s "Sustainable

Forestry Initiative" (SFI) and identify certifying organization.

a. Submit SFI certification numbers; identify each certified product on a line-item basis.

C. Submit copies of invoices bearing the SFI certification numbers.

1.03 QUALITY ASSURANCE

A. Sustainably Harvested Wood: Certification Organizations shall be accredited by the

Forest Stewardship Council or Sustainable Forestry Board.

B. Recycled Content Materials: Where recycled lumber materials are used for structural applications, include lumber certification and quality grading.

C. Engineered Wood Products:

1. Determine formaldehyde concentrations in air from wood products under test conditions of temperature and relative humidity in accordance with ASTM D6007 or E1333.

2. Determine Volatile Organic Compounds VOC), excluding formaldehyde, emitted from manufactured wood-based panels in accordance with ASTM D6330.

1.02 CODES AND STANDARDS: The Contractor shall comply with the following codes, provisions and recommendations:

A. California Building Code (2010 edition).

B. American Institute of Timber Construction (AITC), "Timber Construction Manual."

C. American Plywood Association (APA), "U.S. Product Standard PS 1-07 Construction and

Industrial Plywood" and "Plywood Specifications and GradeGuide."

D. American Wood Preservers Association (AWPA), "Standard UC2."

E. Western Wood Products Association (WWPA), "Western Woods Use Book."

F. West Coast Lumber Inspection Bureau (WCLIB), "Standard Grading and Dressing Rules

No. 16."

G. Redwood Inspection Service, "Standard Specification for Grades of California Redwood

Lumber."

1.03 PRODUCT HANDLING: Comply with pertinent provisions of Section 01640.

Deliver the materials to the job site and store, in a safe area, out of the way of traffic, and shored up off the ground surface. Identify framing lumber as to grades, and store each grade separately from other grades. Protect metals with adequate waterproof outer wrapping.

1.04 MEASUREMENT AND PAYMENT: No separate measurement and payment will be made for the work specified in this Section.

PART 2 PRODUCTS

2.01 LUMBER

A. All wood products shall be of the type and grade required for the end use of the product. In the case of several types and grades, the higher quality shall be used where not specifically defined on the drawings or in the specifications.

1. Resource Management:

a. Virgin Lumber: Provide sustainably harvested; certified or labeled in accordance with FSC or SFI guidelines.

b. Salvaged Lumber: Lumber from deconstruction or demolition of existing buildings or structures. Unless otherwise noted, salvaged lumber shall be delivered clean, denailed, and free of paint and finish materials, and other contamination.

c. Recovered Lumber: Previously harvested lumber pulled from riverbeds or otherwise abandoned. Unless otherwise noted, recovered lumber shall be delivered clean and free of contamination.

2.02 ENGINEERED WOOD PRODUCTS:

A. Toxicity/IEQ: Products shall contain no added urea-formaldehyde.

2.03 SHEATHING:

A. Plywood, APA: Provide exterior grade plywood with phenol resins for interior and exterior applications.

B. OSB: Provide Phenolic-glued, low-formaldehyde board.

C. Fiberboard:

1.Recycled Content:

Structural: Minimum 80% recycled content.

Non-Structural: Minimum 100 % post consumer recycled content.

2.04 GRADE STAMPS:

A. Framing Lumber: Identify all framing lumber by the grade stamp of the WCLIB, or other recognized grading agency.

B. Plywood: Identify plywood as to species, grade, and glue type by the stamp of the

American Plywood Association.

C. Other: Identify all other materials of this section by the stamp of the appropriate agency or by such other means as approved by the Contracting Officer.

2.05 MATERIALS: All specified and miscellaneous lumber shall meet or exceed the following or shall be as described elsewhere in these project specifications:

2.06 ROUGH HARDWARE: All items of rough hardware, connections, bolts and the like, required to complete the work shall be furnished by the Contractor. Bolts, nuts, and washers for weather exposed connectors and the like shall be galvanized meeting the requirements of ASTM

Designation A307. Hardware for attaching blocking shall also be galvanized.

A. Nails shall be common wire. Galvanized nails shall be used for all exposed framing.

B. Bolts and Lag Bolts for connectors shall be galvanized standard mild steel, hexagonal head, coarse thread machine bolts with matching nuts and cut washers as shown on the drawings.

C. Structural connectors shall be as required by applicable codes, and shall be Simpson

Strong-Tie or approved equal. Connectors in contact with pressure treated wood shall be stainless steel or “ZMAX” or “HDG”.

D. Anchor bolts shall be black steel of the size and type as required by applicable codes.

E. Recycled Content: Fabricated from 30 percent recycled steel.

PART 3 EXECUTION

3.01 LAYING OUT WORK: Before commencing work, check all lines and levels indicated, and such other work as been completed. Discrepancies shall be reported to the Contracting

Officer before further work is done. Submit installation details for government review as described elsewhere in these specifications.

3.02 CONSTRUCTION AND WORKMANSHIP:

A. General: Install all wood framing, making proper provision for work of other trades.

Do all cutting of wood required to accommodate other trades.

B. Plates: Plates for partitions and walls shall be single at the bottom and double at the top unless otherwise detailed. Top plates shall be continuous when 20 feet or less.

C. Columns: Furnish and set all columns of the size, centers and locations as required to accomplish the work or as required by applicable codes. Plates and posts shall be attached to the concrete footings by anchor bolts or as required by applicable codes.

D. Joists and Beams: Joists and beams shall be set with the crowning edge up.

1. Where openings occur, headers and supporting joists shall be doubled and headers and tail joists shall be hung on metal hangers.

2. Solid blocking shall be at ends and over supports and as required by applicable codes.

E. Studs: Furnish and set all studding of the size and locations to accomplish the work as described elsewhere in these specifications.

F. Produce joints which are tight, true, and well nailed with members assembled in accordance with the drawings and with pertinent codes and regulations.

G. Selection of lumber pieces:

1. Carefully select the members.

2. Select individual pieces so that knots and obvious defects will not interfere with placing bolts or proper nailing, and will allow making or proper connections.

3. Cut out and discard defects which render a piece unable to serve its intended function.

4. Lumber may be rejected by the Contracting Officer, whether or not it meets grade or has been installed, for excessive warp, twist, bow, crook, mildew, fungus, or mold as well as for improper cutting and fitting.

3.03 GENERAL FRAMING:

A. General:

1. In addition to framing operations normal to the fabrication and erection install wood blocking and backing required for the work of other trades such as toilet partitions and accessories.

2. Do not notch, cut, or bore members for pipes, ducts, or conduits, or for other reasons except as required by applicable codes, or as specifically approved in advance by the Contracting Officer.

B. Bearings:

1. Make bearing full unless otherwise indicated on the Drawings.

2. Finish bearing surfaces on which structural members are to rest so as to give sure and even support.

3. Where framing members slope, cut or notch the ends as required to give uniform bearing surface.

3.04 INSTALLATION OF PLYWOOD/OSB SHEATHING:

A. Placement:

1. Place roof or exterior wall plywood (or OSB) with face grain perpendicular to supports and continuous over at least two supports or as required by applicable codes and consistent with industry standards.

2. Center joints accurately over supports as required by applicable codes.

B. Protection: Protect plywood (or OSB) from moisture by use of waterproof coverings until the plywood in turn has been covered with the next succeeding component or finish.

3.05 FASTENING:

A. Nailing:

1. Use only common wire nails or spikes of the size in CBC TABLE 2304.9.1.

2. For nailing conditions not covered provide penetration into the piece receiving the point of not less than one-half the length of the nail or spike, provided, however, that 16d nails may be used to connect two pieces of two inch (nominal) thickness.

3. Nail without splitting wood.

4. Pre-bore as required.

5. Remove split members and replace with members complying with the specified requirements.

B. Bolting:

1. Drill holes 1/16 inch larger in diameter than the bolts being used.

2. Drill straight and true from one side only.

3. Do not bear bolt threads on wood, but use washers under head and nut where both bear on wood, and use washers under all nuts.

C. Screws: For lag screws and wood screws, prebore holes same diameter as root of threads, enlarging holes to shank diameter for length of shank.

3.06 SITE ENVIRONMENTAL PROCEDURES:

A. As specified in Divisions 1 and below:

B. Indoor Air Quality:

1. Temporary ventilation: Provide temporary ventilation during work of this

Section

a. During and immediately after installation of treated wood, engineered wood products, and laminated wood products at interior spaces, provide temporary ventilation.

C. Waste Management: As specified elsewhere

1. Select lumber sizes to minimize waste; reuse scrap lumber to the greatest extent possible. Clearly separate scrap lumber for use on site as accessory components, including: shims, bracing, and blocking.

2. Do not leave any wood, shavings, sawdust, etc. on the ground or buried in fill.

Prevent saw dust and wood shavings from entering the storm drainage system.

3. Do not burn scrap lumber that has been pressure treated.

a. Do not send lumber treated with pentachlorophenol, CCA, or ACA to co-generation facilities or “waste-to-energy” facilities.

SECTION 07190

ROOFING PAPER

PART 1 - GENERAL

1.01 SCOPE:

A. Provide roofing paper underlayment and flashing, with related concealed metal flashings, fasteners, sealers, and accessories as required for complete watertight installation.

1.02 SUBMITTALS:

A. Submit Product Data for type of building paper, flashing, fasteners, sealer products, and accessories specified in accordance with Section 01340.

B. Submit shop drawings for metal flashings, as related to underlayment in accordance with Section 01340.

1. Clearly indicate general construction, configurations, jointing methods and locations, fastening methods and locations and installation details.

1.03 PRODUCT HANDLING:

A. Comply with pertinent provisions of Section 01640.

B. Provide for correcting failure of building paper to resist penetration of water.

C. Repair building paper and pay for or replace damaged materials or surfaces.

D. Warranty Period: Two years.

1.04 MEASUREMENT AND PAYMENT: No separate measurement or payment will be made for the work specified in this Section.

PART 2 - PRODUCTS

2.01 MATERIALS

A. Roofing Paper:

1. 30 lb asphaltic roofing underlayment paper

2. Fasteners: Type as recommended by roofing paper manufacturer or as required by applicable codes; minimum hot dipped galvanized.

C. Metal Flashings: Refer to Section 07600 Flashing and Sheet Metal.

PART 3 - EXECUTION

3.01 PREPARATION

A. Surface to receive paper to be free of projections, ridges, warps, voids and shall be dry before application which could otherwise damage the roofing paper.

3.02 TYPICAL UNDERLAYMENT INSTALLATION

A. Install roofing paper in accordance with recommendations of roofing paper manufacturer and comply with applicable code requirements.

SECTION 07400

METAL SHAKE ROOFING

1.01 SCOPE

A. Furnish and install metal shake roofing system as described herein and elsewhere in these specifications.

1.02 GOVERNMENT FURNISHED

A. Water and electrical power is available at the site for the Contractor to use.

1.03 WARRANTIES

A. In addition to the manufacturer’s warranty the Contractor shall warrant the roof to be weatherproof for a period of one year after final acceptance. Written warranties shall be provided to the Contracting Officer prior to requesting final payment.

1.04 QUALIFICATIONS

A. The Contractor or subcontractor installing the roof shall have a C14 or C39 State

Roofing License and shall have been in the roofing business continually for the period covering the last five years. Proof of such shall be provided to the

Contracting Officer upon request prior to award of the contract. The roof systems shall be installed under the direction of the Contractor possessing the above license.

PART 2 PRODUCTS

2.01 METAL ROOF

A. The new roofing material shall be galvanized steel shakes with a Kynar base coat with a

Thermobond textured baked-on finish, and a concealed nail-clip fastening system, as manufactured by Argo Building Products (Timber Creek Shake) (877)-344-2746. Color shall closely match the color of the existing roofing on building #4950001 (see site map), Timber Creek Shake color “Maple”.

2.02 RIDGE CAPS

A. The ridge must be watertight before installing Ridge Caps. Ridge caps shall be manufactured by roof manufacturer with finish and color to match metal roof.

2.03 FLASHINGS

A. Flashings shall be manufactured by roof manufacturer with finish and color to match metal roof.

2.04 FASTENERS

A. Fasteners shall conform to the requirements of the IBC (2012) and/or manufacturer’s recommendations for the conditions at the project site (wind uplift and snow load). Color to match metal roof where exposed.

2.05 GABLE CHANNELS AND TRIM

A. Gable channels and trim to be manufactured by roof manufacturer with finish and color to match metal roof.

2.06 CLOSURES

A. Manufacturer’s standard formed neoprene closures. Finish and color to match metal roof if exposed.

2.07 PENETRATION FLASHINGS

A. Penetration flashings to be EPDM Flashing (Dextite).

2.08 EAVE TRIM

A. Eave starter strips and trim to be manufactured by roof manufacturer with finish and color to match metal roof.

2.09 SEALANT

A. Sealant shall be Mameco Vulcum #116 polyurethane or equal. Approved equal shall have similar polyurethane features. Color to match metal roof.

2.10 ICE AND WATER SHIELD

A. Ice and water shield shall be Palasades SA-HT underlayment or approved equal.

Equal must be self-adhering and shall be of equal heat resistance.

PART 3 EXECUTION

3.01 GENERAL

A. Measure and calculate how much new material will be required to complete the job.

Thoroughly clean roof removing all protruding nails and the like. Furnish & install

7/16” OSB over existing roof rafters. Rafters shall be anchored to framing with #9

SD screws at 6-inch on center spacing at the edges of the OSB and 24-inches on center spacing in the center. OSB shall be installed staggered and with H-clips required as required by governing building codes.

B. Install roof system in accordance with manufacturer’s installation standards for flashing and details and in accordance with the IBC. If conditions exist which are not covered by the standard details install in accordance with manufacturer’s recommendations after approval of the Contracting Officer.

3.02 CLEAN-UP

A. Prior to final acceptance the site shall be thoroughly cleaned of all materials and debris which may have resulted from the work and such materials and debris shall be removed from Government property and disposed of in accordance with all state and local regulations.

3.03 SAFETY

A. Safety for the workers and all those that may be affected by the work shall be the sole responsibility of the Contractor.

**END OF SECTION 07400**

SECTION 07600

FLASHING AND SHEET METAL

PART 1 GENERAL

1.01 SCOPE: The work of this Section shall include but not be limited to providing and installing flashings and sheet metal to prevent penetrations of water through the roofing system.

1.02 QUALITY ASSURANCE:

A. Comply with pertinent recommendations contained in current edition of

"Architectural Sheet Metal Manual" published by the Sheet Metal and Air Conditioning

Contractors National Association (SMACNA).

B. Standard commercial items may be used for flashing, trim, and similar purposes provided such items meet or exceed the quality standards specified.

1.03 SUBMITTALS:

A. Comply with pertinent provisions of Section 01340.

B. Product Data: The Contractor shall submit the following:

1. Materials list of items proposed to be provided under this Section;

2. Manufacturer's specifications and other data needed to prove compliance with the specified requirements;

3. Shop Drawings in sufficient detail to show fabrication, installation, anchorage, and interface of the work of this Section with the work of adjacent trades.

4. Manufacturer's recommended installation procedures which, when approved by the Contracting Officer, will become the basis for accepting or rejecting actual installation procedures used on the work.

1.04 PRODUCT HANDLING: Comply with pertinent provisions of Section 01640.

1.05 MEASUREMENT AND PAYMENT: No separate measurement or payment will be made for the work specified in this Section.

PART 2 PRODUCTS

2.01 MATERIALS AND GAUGES: Where sheet metal is required, and no material or gauge is indicated on the Drawings, provide the highest quality and gauge commensurate with the referenced standards.

2.02 GALVANIZED IRON:

A. Provide sheet metal or sheet iron of a standard brand of open-hearth copper- bearing steel, copper-molybdenum iron, or pure iron sheets.

B. Zinc Coating:

1. Where galvanizing is required, provide zinc coating by hot-dip galvanize to all surfaces.

2. Weight: Provide not less than 1-1/4 ounce per square feet, nor more than 1-1/2 ounce per square feet, to surfaces required to be galvanized.

3. Comply with ASTM A93.

2.03 NAILS, RIVETS, AND FASTENERS: Use only soft iron rivets having rust- resistive coating, galvanized nails, and cadmium plated screws and washers in connection with galvanized iron and steel.

PART 3 EXECUTION

3.01 WORKMANSHIP:

A. General:

1. Form sheet metal accurately and to the dimensions and shapes required, finishing molded and broken surfaces with true, sharp, and straight lines and angles and, where intercepting other members, coping to an accurate fit and smoldering securely.

2. Unless otherwise specifically permitted by the Contracting Officer, turn exposed edges back 1/2 inch.

B. Form, fabricate, and install sheet metal so as to adequately provide for expansion and contraction in the finished work.

C. Weatherproofing:

1. Finish watertight and weathertight as detailed by SMACNA.

2. Make lock seam work flat and true to line, sweating full of solder.

3. Make lock seams and lap seams, when soldered, at least 1/2 inch wide.

4. Where lap seams are not soldered, lap according to pitch, but in no case less than three inches.

5. Make flat and lap seams in the direction of flow.

D. Joints:

1. Join parts with rivets or sheet metal screws where necessary for strength and stiffness.

2. Provide suitable watertight expansion joints for runs of more than 40 feet, except where closer spacing is indicated on the drawings or required for proper installation.

E. Nailing:

1. Whenever possible, secure metal by means of clips or cleats, without nailing through the exterior metal.

2. In general, space nails, rivets, and screws not more than eight inches apart and, where exposed to the weather, use galvanized washers.

3. For nailing into wood, use barbed roofing nails 1-1/4 inch long by 11 gauge.

3.02 SOLDERING:

A. General:

1. Thoroughly clean and tin the joint materials prior to soldering.

2. Perform soldering slowly, with a well heated copper, in order to heat the seams thoroughly and to completely fill them with solder.

3. Perform soldering with a heavy soldering copper of blunt design, properly tinned for use.

4. Make exposed soldering on finished surfaces neat, full flowing, and smooth.

B. After soldering, thoroughly wash acid flux with a soda solution.

3.03 TESTS: Upon request, demonstrate by hose or standing water that the flashing and sheet metal are completely watertight.

SECTION 077123

GUTTERS AND DOWNSPOUTS

PART 1 – GENERAL

1.01 - SUMMARY

A. Provide labor, material, and equipment necessary for furnishing a complete installation of commercial gutter system, this includes, but is not limited to, furnishing and installing any fascia and soffit panels if existing conditions are not adequate for new gutter system installation. Extent and location of all metal gutters, downspouts and fascia trim is the responsibility of the contractor and subject to approval of the engineer.

B. The work shall include, but is not necessarily limited to:

Metal gutters and hangers

Metal downspouts and anchoring devices

Metal fascia and soffit panel trims

All required accessories to complete the work

1.02 - QUALITY ASSURANCE

A. American Architectural Manufacturers Association (AAMA) Specification

1405.1 “Specifications for Aluminum Gutters and Downspouts”.

B. American Architectural Manufacturers Association (AAMA) Specification

1402.86 “Specifications for Aluminum Siding, Soffit and Fascia”.

C. B. Obtain all components and related accessories from one single source manufacturer.

D. Follow manufacturer’s printed instructions for installing commercial gutter system. Follow primary roofing manufacturer’s printed instructions for installing associated roof material for flashing gutter system to roof.

1.03 - SUBMITTALS

A. Product Data: Submit manufacturer’s product literature and installation recommendations for each product.

B. Color Options: Submit color options to the engineer for approval.

1.04 DELIVERY, STORAGE & HANDLING

A. All products delivered shall be stored in a clean dry location prior to installation.

B. Products furnished with strippable protective masking shall not be exposed to direct sunlight for more than 30 minutes without removing masking.

C. Do not install finished materials with scars or abrasions.

1.05 PROJECT CONDITIONS

A. Coordinate work of this Section with adjoining work for proper sequencing to ensure protection from inclement weather and to protect materials and their finish against damage.

B. Do not install commercial gutter system during inclement weather. When installing in cold climates, warm adhesives, caulks, and primers to at least 50 degrees Fahrenheit prior to application.

1.06 – WARRANTY

A. Gutters, downspouts and metal fascia trim to have a minimum 20-year limited warranty provided by manufacturer.

B. In addition to the manufacturer’s warranty, the installer shall warranty the gutters system and it’s installation for no less than 3 years.

PART 2 - PRODUCTS

2.01 - MATERIALS

A. Gutters (“OG” shape or K-style) shall be made of 3005-H25 Aluminum Sheet

(minimum tensile strength 26,000 psi, minimum yield strength 23,000 psi) or equivalent.

B. Gutter gauge to be .032" (.813) gauge nominal with either 2”x3” or 4"x5" downspouts, dependent upon the dimension of gutter to be used.

C. Roof aprons to be .027" (.686) gauge.

D. End caps to be .024" (.610) gauge.

E. Inside and outside miters to be .032" (.813) gauge.

F. Sealant material - manufacturer’s recommended gutter sealant.

G. Expansion joint to be aluminum, lined with neoprene.

H. Downspout clip .014" (.356) gauge.

I. Gutter hangers to be .082" gauge.

J. Prior to painting, the metal shall receive special cleaning process to assure maximum paint adhesion. The inside of all gutters and downspouts shall be coated with a special gold-colored corrosion-inhibiting finish. The exterior shall be a two-coat acrylic applied in a two-phase operation, which includes a corrosion-inhibiting primer and a baked-on high-performance acrylic top coat.

K. All accessories used shall be accessories designed for use with the gutters and have the same finish.

L. Soffit and fascia shall be made of aluminum sheet (minimum tensile strength 29,000 psi, minimum yield strength 26,000 psi) or equivalent.

M. Soffit to be .019" gauge. Each panel shall be perforated with a series of 1/16-diameter holes on 5/32" staggered centers, making up uniformly appearing pattern 5" wide with 15

sq. inches of net free area per lineal foot.

N. Fascia to be .024" (.610) gauge.

O. All wall receiver channels to be .019" (.483) gauge.

P. All drip edges to be .024" (.610) gauge.

Q. Prior to painting the metal shall receive a special cleaning process to assure maximum paint adhesion. The finish shall be a two-coat acrylic applied in a two-phase operation, which includes corrosion-inhibiting primer and a baked-on, high-performance acrylic topcoat.

R. All accessories used shall be designed for use with soffit and fascia having the same finish.

S. Color to be approved by the engineer prior to installation

PART 3 - EXECUTION

3.01 - INSTALLATION, WORKMANSHIP

A. Seamless Gutters and Downspouts

1. Before starting work, verify governing dimensions at building; examine, clean and repair, if necessary, any adjoining work on which this work is in any way dependent for its proper installation. If necessary, furnish and install, at no additional cost to the government, any and all wood plates, fascia or soffit board not currently present to install the seamless gutter system.

2. Aluminum Gutters shall be seamless and installed by using manufacturer’s standard hangers so that movement is not restricted.

a) Spikes and ferrules or brackets attached to the outside periphery of the gutter shall not be used.

3. All gutter hangers shall be installed by using two 1-1/4" screw-shank nails and shall be fastened into solid lumber or as recommended by the manufacturer.

4. Expansion joints provided wherever necessary to allow for proper expansion and contraction - 1/8" per 10' or as recommended by the manufacturer. Expansion joints will be used on all sides of a hip roof (if applicable) and on runs of more than 40 feet in length.

5. Where applicable, furnish and install gutter & debris guards in accordance with section 077123.13

6. Upon completion, the contractor shall clean all aluminum work.

7. Dissimilar materials

a) Care must be exercised in placing aluminum in contact with metals or materials not compatible with aluminum.

b) Dissimilar materials shall be painted or otherwise protected when they are in contact with aluminum or when drainage from them passes over aluminum.

B. Soffits and Fascias

1. Before starting work, verify governing dimensions at building; examine, clean and repair, if necessary, any adjoining work on which this work is in any way dependent for its proper installation. If necessary, furnish and install, at no additional cost to the government, any and all wood plates, fascia or soffit board not currently present to install the seamless gutter system.

2. Install in accordance with manufacturer’s installation guide, latest edition.

3. Special details shown on the drawings shall be included as part of installation.

4. Upon completion, the contractor shall clean all aluminum work.

5. Dissimilar materials:

a) Care must be exercised in placing aluminum in contact with metals or materials not compatible with aluminum.

b) Dissimilar materials shall be painted or otherwise protected when they are in contact with aluminum or when drainage from them passes over aluminum.

**END OF SECTION 07 71 23**

SECTION 077123.13

GUTTER AND DEBRIS GUARDS

1. GENERAL

A. Gutter Debris Guards shall be included on all gutters for sloped roofs that are located under a canopy of trees or will be susceptible to leaf collection. Coordinate with engineer.

B. If conductor drains are utilized, they shall have guards to prevent pigeons from nesting.

2. PRODUCTS

A. Screws shall be stainless steel or aluminum to attach to the clip.

B. Colors shall be coordinated with Project Manager.

C. Debris guard material shall be compatible with gutter material to avoid galvanic corrosion.

**END OF SECTION 077123.13**

SECTION 09900

PAINTING

PART 1 GENERAL

1.01 SCOPE: The work of this Section consists of furnishing and applying paint to all surfaces and trim, where described elsewhere in these specifications. The work shall include but not be limited to preparing the surfaces to be painted, applying primer, paint and clean-up.

1.02 SURFACES NOT TO BE PAINTED: All items and equipment with factory finish, metal roof, glass and masonry rock siding.

1.03 ENVIRONMENTAL CONDITIONS: Surfaces shall be painted only when they are free from moisture. No painting on exterior surfaces shall be done less than 72 hours of actual drying weather after a rain or during periods of dew or fog. Receiving surfaces shall be properly dried out before proceeding with the work. No painting shall be done when temperature is below 50 degrees Fahrenheit, except when approved by the Contracting Officer.

1.04 QUALITY ASSURANCE: Paint coordination:

A. Provide paint coats which are compatible with the materials to be painted.

B. Upon request, furnish information on the characteristics of the specific finish materials to assure that compatible colors/sheen are used.

1.05 SUBMITTALS: The Contractor shall submit the following product data:

A. Materials list of items proposed to be provided under this Section.

B. Manufacturer's specifications and other data needed to prove compliance with the specified requirements.

C. Color samples of all items to be painted.

1.06 MEASUREMENT AND PAYMENT: No separate measurement or payment will be made for the work of this section.

PART 2 PRODUCTS

2.01 PAINT MATERIALS: Paint products and the like shall be LEED Certified, Green seal

(GS-11, 2008) with Zero VOC and shall be as follows or approved equal:

A. Exterior Siding, Wood, Trim: Minimum 2 coats of Benjamin Moore Aura WB

Exterior, Semi-Gloss (632).

B. Ferrous Metal : Minimum 2 coats of Pittsburg Paints Pitt-Tech Plus Int./Ext. Semi-

Gloss DTM Enamel (90-1210).

C. Galvanized Metal: Primer to be Pittsburg Paints Pitt-Tech Int./Ext./Primer/Finish

DTM Enamel (90-712). Finish to be Pittsburg Paints Pitt-Tech Plus Int./Ext. Semi-Gloss

DTM Enamel (90-1210).

D. Redwood/Cedar: Primer to be Benjamin Moore Fresh Start All Purpose 100%

Acrylic Primer (023). Finish to be a minimum of 2 coats of Benjamin Moore Aura WB

Exterior, Semi-Gloss (632).

PART 3 EXECUTION

3.01 PREPARATION OF SURFACES: The Contractor shall follow manufacturer's recommendations for preparing surfaces. No priming, painting, or finishing shall be started until the surfaces to be painted or finished are in proper condition in every respect. 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 function of the particular coating specified.

3.02 SCAFFOLDING AND PROTECTION: The Contractor shall furnish, maintain and remove all scaffolding, ladders, and planks required for this work and all drop cloths for the protection of concrete walks, floors, prefinished materials, metal roofing, gutters, downspouts and building fixtures. Contractor shall be responsible for any and all damage caused by his work.

3.03 WORKMANSHIP AND APPLICATION: Materials shall be applied in accordance with the manufacturer's directions, and materials shall be thinned only for proper workability in compliance with the manufacturer's specifications. Paint shall be sprayed on and backrolled or smoothly flowed on without runs or sagging and shall be free from drops, ridges, laps, and brush marks. Ensure that all coats are thoroughly dry before applying succeeding coats. Sand surfaces between coats as necessary to produce a smooth, uniform finish.

A. Painting shall include all exposed surfaces of every member.

B. Paint all surfaces to a uniform coverage and sheen. In some areas this may require more than the minimum of two coats. Surfaces shall be free of blistering, running, peeling, scaling, streaks and the colors of all surfaces shall remain free from fading.

3.04 CLEANUP AND CLEANING: Contractor shall clean and retouch work as required by the

Contracting Officer. Contractor shall leave all floors, and any other surfaces clean and free from any paint, stain, spatterings, smudges which are the results of these operations. Contractor shall replace any glass damaged in any way by this operation. No final payment will be made until this clean-up is completed.