SPECS.pdf

Malheur National Forest Forest-Wide Roof Replacements

February 2010 CSI List - 1 Table of Contents

CSI Specifications Malheur National Forest

Forest-Wide Roof Replacements

No. of Pages

DIVISION 6 – WOOD AND PLASTICS

Section 06100 - Rough Carpentry

DIVISION 7 – THERMAL AND MOISTURE PROTECTION

Section 07311 - Asphalt Shingles Section 07313 - Wood Shingles Section 07412 - Metal Roofing

DIVISION 9 – FINISHES

Section 09900 - Paints and Coatings

APPENDICES

Appendix A - Building Photos

USDA FOREST SERVICE PROJECT SPECIFICATIONS

Rev. Date 02/10 Malheur NF – Forest-Wide Roof Replacements 06100 - 1/2

Rough Carpentry

SECTION 06100

ROUGH CARPENTRY

1. PART 1 - GENERAL

1.01 SUMMARY

A. This Section includes the following:

1. Wood framing.

2. Wood supports.

3. Wood blocking.

4. Wood nailers.

5. Wood sheathing.

2. PART 2 - PRODUCTS

2.01 WOOD PRODUCTS - GENERAL

A. Lumber: DOC PS 20 and applicable rules of lumber grading agencies certified by the American Lumber Standards Committee Board of Review.

1. Factory mark each piece of lumber with grade stamp of grading agency.

2. Provide dressed lumber, S4S, unless otherwise indicated.

3. Provide dry lumber with 19 percent maximum moisture content at time of dressing for 2-inch nominal thickness or less, unless otherwise indicated.

B. Wood Structural Panels:

1. ½ inch thick Oriented Strand Board: DOC PS 1

2.02 DIMENSION LUMBER

A. General: Of grades indicated according to the American Lumber Standards Committee National Grading Rule provisions of the grading agency indicated.

B. Framing Other Than Non-Load-Bearing Partitions: Construction or No. 2 grade and the following species:

1. Douglas fir-larch, Douglas fir-larch (north), or Douglas fir-south; NLGA, WCLIB, or WWPA.

2.03 TIMBER AND MISCELLANEOUS LUMBER

A. Provide miscellaneous lumber for support or attachment of other construction, including the following:

1. Blocking

2. Nailers

B. For items of dimension lumber size, provide Construction, Stud, or No. 2 grade lumber with 19 percent maximum moisture content of any species.

2.04 SHEATHING

A. OSB Roof Sheathing: Exterior sheathing.

Rev. Date 02/10 Malheur NF – Forest-Wide Roof Replacements 06100 - 2/2

Rough Carpentry

2.05 MISCELLANEOUS MATERIALS

A. Fasteners:

1. Where rough carpentry is exposed to weather, in ground contact, or in area of high relative humidity, provide fasteners with hot-dip zinc coating complying with ASTM A 153/A 153M.

2. Power-Driven Fasteners: CABO NER-272

3. PART 3 - EXECUTION

3.01 INSTALLATION

A. Set rough carpentry to required levels and lines, with members plumb, true to line, cut, and fitted. Fit rough carpentry to other construction; scribe and cope as needed for accurate fit. Locate nailers, blocking, and similar supports to comply with requirements for attaching other construction.

B. Securely attach rough carpentry work to substrate by anchoring and fastening as indicated, complying with the following:

1. CABO NER-272 for power-driven fasteners.

2. Published requirements of metal framing anchor manufacturer.

3. Table 23-II-B-1, "Nailing Schedule," and Table 23-II-B-2, "Wood Structural Panel Roof Sheathing Nailing Schedule," in the Uniform Building Code.

C. Framing Standard: Comply with AFPA's "Manual for Wood Frame Construction," unless otherwise indicated.

D. Comply with applicable recommendations contained in APA Form No. E30K, "APA Design/Construction Guide: Residential & Commercial," for types of structural-use panels and applications indicated.

E. Fastening Methods:

1. Sheathing: Nail to wood framing.

4. PART 4 - MEASUREMENT AND PAYMENT

4.01 No separate payment will be made under this section. All work under this section will be considered incidental to items as listed under the Schedule of Items.

END OF SECTION

Rev. Date 02/10 Malheur NF – Forest-Wide Roof Replacements 07311 - 1/6

Asphalt Shingles

SECTION 07311

ASPHALT SHINGLES

1. PART 1 - GENERAL

1.01 SUMMARY

A. This section specifies removal and replacement of asphalt roofing systems.

B. Project locations are as designated in Section C.2 of these specifications.

1.02 SUBMITTALS

A. Provide manufacturer’s product data sheets, maintenance data, and warranties for all products and materials per Section C.6

B. Special Warranty: Manufacturer’s standard form in which manufacturer agrees to repair or replace asphalt shingles that fail in materials or workmanship within specified warranty period. Materials failures include manufacturing defects and failure of asphalt shingles to self-seal after a reasonable time.

C. Special Project Warranty: Roofing Installer’s warranty, signed by roofing Installer, covering work of this Section, in which roofing Installer agrees to repair or replace components of asphalt shingle roofing that fail in materials or workmanship within 2 years from date of Substantial Completion.

1.03 DELIVERY, STORAGE, AND HANDLING

A. Deliver materials to the sites, undamaged, with labels intact. Store out of the weather in a well ventilated area as per manufacturer’s instructions.

2. PART 2 - PRODUCTS

2.01 ASPHALT SHINGLES

A. Fiberglass, Composition, Architectural Shingles: ASTM D3462, laminated, multi-ply overlay construction, glass-fiber reinforced, mineral-granule surfaced and self-sealing. Obtain shingles through one source from a single manufacturer.

1. Applicable Standards: 30-year warranty, rated for a minimum of 110 mph wind speed (ASTM D 3161 Class F Wind), Carry a Class A fire rating (ASTM E 108, Class A Fire), 10 year algae resistance, ASTM D 3018 Type I, ASTM D 228, UL 791 A, UL 997 Wind.

2. Butt Edge: Straight cut.

3. Strip Size: Manufacturer’s standard.

4. Algae Resistance: Granules treated to resist algae discoloration.

5. Color and Blends: Present full range of manufacturer’s colors and blends to the CO for selection.

B. Hip and Ridge Shingles: Manufacturer's standard units to match asphalt shingles.

Rev. Date 02/10 Malheur NF – Forest-Wide Roof Replacements 07311 - 2/6

Asphalt Shingles

2.02 UNDERLAYMENT MATERIALS

A. Felts: ASTM D 226 or ASTM D 4869, Type I asphalt-saturated organic felts, non-perforated.

B. Self-Adhering Sheet Underlayment, Polyethylene Faced: ASTM D 1970, minimum of 40-mil thick, slip-resisting, polyethylene-film reinforced top surface laminated to SBS-modified asphalt adhesive, with release paper backing; cold applied, for installation on roof slopes of 5:12 max.

2.03 ROOFING ACCESSORIES

A. Asphalt Roofing Cement: ASTM D 4586, Type II, asbestos free.

B. Roofing Nails: Roofing Nails: ASTM F 1667; aluminum, stainless-steel, copper, or hot-dip galvanized steel wire shingle nails, minimum 0.120-inch-diameter, smooth shank, sharp-pointed, with a minimum 3/8-inch-diameter flat head and of sufficient length to penetrate 3/4 inch into solid wood decking or extend at least 1/8 inch through OSB or plywood sheathing. Where nails are in contact with metal flashing, use nails made from the same metal as flashing.

C. Felt Underlayment Nails: Aluminum, stainless-steel, or hot-dip galvanized steel wire with low profile capped heads or disc caps, 1-inch minimum diameter.

D. Vents: Replace in-kind with CO approved manufacturer and model

2.04 METAL FLASHING AND TRIM

A. Flashing: 26 gauge G.I. Fabricate sheet metal flashing and trim to comply with recommendations in SMACNA's "Architectural Sheet Metal Manual" that apply to design, dimensions, metal, and other characteristics of item.

1. Flashings: Fabricate with concealed flange extending a minimum of 18 inches beneath upslope asphalt shingles and 6 inches beyond each side of chimney and 6 inches above the roof plane.

2. Open Valley Flashings: Fabricate in lengths not exceeding 10 feet with 1-inch high inverted-V profile at center of valley and equal flange widths of 18 inches.

3. Drip Edges: Fabricate in lengths not exceeding 10 feet with 6-inch roof deck flange and 1-1/2-inch fascia flange with 1/2-inch drip at lower edge unless full metal fascia is required.

B. Vent Pipe Flashings: ASTM B 749, Type L51121, at least 1/16 inch thick.

Provide lead sleeve sized to slip over and turn down into pipe, soldered to skirt at slope of roof and extending at least 4 inches from pipe onto roof.

3. PART 3 - EXECUTION

3.01 REMOVAL OF EXISTING ROOFING

A. Remove existing shingles, underlayment, and correlating roof flashing and dispose in accordance to C.3 of these specifications. The Contractor shall maintain a debris collection box beneath the removal operation to minimize nail and/or staples in driving and parking areas.

Rev. Date 02/10 Malheur NF – Forest-Wide Roof Replacements 07311 - 3/6

Asphalt Shingles

B. Immediately notify CO of any damaged or unsuitable sheathing or structural members.

C. Nail heads and/or staples shall be pulled or driven level with sheeting surface.

Remove roof debris prior to the laying out of the underlays.

D. The contractor shall secure written approval from CO after existing roofing is removed and prior to the start of new roofing operations.

3.02 INSTALLATION OF NEW ROOFING

A. UNDERLAYMENT INSTALLATION

1. Double-Layer Felt Underlayment: Install double layers of felt underlayment on roof deck and over self-adhering underlayment perpendicular to roof slope in parallel courses. Install a 19-inch wide starter course at eaves and completely cover with full-width second course. Install succeeding courses lapping previous courses 19 inches in shingle fashion. Lap ends a minimum of 6 inches. Stagger end laps between succeeding courses at least 72 inches.

Fasten with roofing nails.

1. Terminate felt underlayment extended up not less than 4 inches against sidewalls, curbs, chimneys and other roof projections.

2. Self-Adhering Sheet Underlayment: Install self-adhering sheet underlayment, wrinkle free, on roof deck. Comply with low-temperature installation restrictions of underlayment manufacturer if applicable. Install at locations indicated below, lapped in direction to shed water. Lap sides not less than 3-1/2 inches. Lap ends not less than 6 inches staggered 24 inches between courses. Roll laps with roller. Cover underlayment within seven days.

1. Prime concrete and masonry surfaces to receive self-adhering sheet underlayment.

2. Eaves: Extend from edges of eaves 72 inches beyond interior face of exterior wall.

3. Rakes: Extend from edges of rake 36 inches beyond interior face of exterior wall.

4. Valleys: Extend from lowest to highest point 36 inches on each side.

5. Hips: Extend 36 inches on each side.

6. Ridges: Extend 36 inches on each side without obstructing continuous ridge vent slot.

7. Sidewalls: Extend beyond sidewall 36 inches and return vertically against sidewall not less than 18 inches.

8. Dormers, Chimneys, Skylights, and other Roof-Penetrating Elements:

Extend beyond penetrating element 18 inches and return vertically against penetrating element not less than 12 inches.

9. Roof Slope Transitions: Extend 36 inches on each roof slope.

3. Metal-Flashed Open Valley Underlayment: Install two layers of 36-inch wide felt underlayment centered in valley. Stagger end laps between layers at

Rev. Date 02/10 Malheur NF – Forest-Wide Roof Replacements 07311 - 4/6

Asphalt Shingles least 72 inches. Lap ends of each layer at least 12 inches in direction to shed water, and seal with asphalt roofing cement. Fasten each layer to roof deck with roofing nails.

1. Lap roof deck felt underlayment over first layer of valley felt underlayment at least 6 inches.

B. METAL FLASHING INSTALLATION

1. Install metal flashings according to recommendations in ARMA's "Residential Asphalt Roofing Manual" and asphalt shingle recommendations in NRCA's "The NRCA Roofing and Waterproofing Manual."

2. Flashings: Install against the roof-penetrating element extending concealed flange beneath upslope asphalt shingles and beyond each side.

3. Open Valley Flashings: Install centrally in valleys, lapping ends at least 8 inches in direction to shed water. Fasten upper end of each length to roof deck beneath overlap.

1. Secure hemmed flange edges into metal cleats spaced 12 inches apart and fastened to roof deck.

2. Adhere 9-inch wide strip of self-adhering sheet to metal flanges and to self-adhering sheet underlayment.

4. Rake Drip Edges: Install rake drip edge flashings over underlayment and fasten to roof deck.

5. Eave Drip Edges: Install eave drip edge flashings below underlayment and fasten to roof sheathing.

6. Pipe Flashings: Form flashing around pipe penetrations and asphalt shingles.

Fasten and seal to asphalt shingles as recommended by manufacturer.

C. VENT INSTALLATION

1. Install vents per manufacturer’s recommendations.

D. ASPHALT SHINGLE INSTALLATION

1. Install asphalt shingles according to manufacturer's written instructions, recommendations in ARMA's "Residential Asphalt Roofing Manual," and asphalt shingle recommendations in NRCA's "The NRCA Roofing and Waterproofing Manual."

2. Install starter strip along lowest roof edge, consisting of an asphalt shingle strip at least 7 inches wide with self-sealing strip face up at roof edge.

i. Extend asphalt shingles 3/4 inch over fascia at eaves and rakes.

ii. Install starter strip along rake edge.

3. Install first and remaining courses of asphalt shingles stair-stepping diagonally across roof deck with manufacturer's recommended offset pattern at succeeding courses, maintaining uniform exposure.

4. Install asphalt shingles by single-strip column or racking method, maintaining uniform exposure. Install full length first course followed by cut second course, repeating alternating pattern in succeeding courses.

5. Fasten asphalt shingle strips with a minimum of five roofing nails located according to manufacturer's written instructions.

Rev. Date 02/10 Malheur NF – Forest-Wide Roof Replacements 07311 - 5/6

Asphalt Shingles

6. Where roof slope is less than 4:12, seal asphalt shingles with asphalt roofing cement spots.

7. When ambient temperature during installation is below 50 deg F, seal asphalt shingles with asphalt roofing cement spots.

8. Open Valleys: Cut and fit asphalt shingles at open valleys, trimming upper concealed corners of shingle strips. Maintain uniform width of exposed open valley from highest to lowest point.

9. Set valley edge of asphalt shingles in a 3-inch wide bed of asphalt roofing cement.

10. Do not nail asphalt shingles to metal open valley flashings.

11. Ridge Vents: Install continuous ridge vents over asphalt shingles according to manufacturer's written instructions. Fasten with roofing nails of sufficient length to penetrate sheathing.

12. Ridge Cap Shingles: Maintain same exposure of cap shingles as roofing shingle exposure. Lap cap shingles at ridges to shed water away from direction of prevailing winds. Fasten with roofing nails of sufficient length to penetrate sheathing.

3.03 CLEAN-UP

A. After roofing installation is complete, all scraps, wrapping, packing, nails, staples, and other miscellaneous debris created shall be picked up, removed, and disposed of in accordance to Section C of these specifications.

4. PART 4 - MEASUREMENT AND PAYMENT

4.01 METHOD OF MEASUREMENT

Measurement shall be of each unit of work completed and accepted by the Government.

Mobilization, clean-up, removal and reinstallation of designated materials, and installation of all miscellaneous materials for a complete weather-tight roofing system are considered incidental to these basic bid items.

4.02 BASIS OF PAYMENT

Payment will be made at the contract unit price for each item. Payment will be made under:

METHOD OF

PAY ITEM DESCRIPTION MEASUREMENT PAY UNIT

404 Canton St., John, Day

Daycare (Building 1043)

07311(01) Remove/Dispose Existing Composite Roofing AQ SF 07311(02) Install New Composite Roof System AQ SF

Rev. Date 02/10 Malheur NF – Forest-Wide Roof Replacements 07311 - 6/6

Asphalt Shingles

230 NE Dayton St., John Day

Communications (Building 2103)

07311(03) Remove/Dispose Existing Composite Roofing AQ SF 07311(04) Install New Composite Roof System AQ SF

Crane Prairie Administrative Site Weight Room (Building 2605)

07311(05) Remove/Dispose Existing Composite Roofing AQ SF

Crow Flat Guard Station

Bunkhouse (Building1314)

07311(06) Remove/Dispose Existing Composite Roofing AQ SF 07311(07) Install New Composite Roof System AQ SF Gas House (Building 2509)

07311(08) Remove/Dispose Existing Composite Roofing AQ SF 07311(09) Install New Composite Roof System AQ SF Laundry Building (Building 2503)

07311(10) Remove/Dispose Existing Composite Roofing AQ SF 07311(11) Install New Composite Roof System AQ SF Storage (Building 2505)

07311(12) Remove/Dispose Existing Composite Roofing AQ SF 07311(13) Install New Composite Roof System AQ SF

Hines Administrative Site

GIS Shop (Building 2104)

07311(14) Remove/Dispose Existing Composite Roofing AQ SF

Flammable Storage (Building 2303)

07311(15) Remove/Dispose Existing Composite Roofing AQ SF

Rev. Date 02/10 Malheur NF – Forest-Wide Roof Replacements 07313 - 1/5

Wood Shingles

SECTION 07313

WOOD SHINGLES

1. PART 1 - GENERAL

1.01 SUMMARY

A. This section specifies removal and replacement of wood shingle roofing systems.

B. Project locations are as designated in Section C.2 of these specifications.

C. Wood shingle roofing systems shall be installed in accordance to latest guidance from the Cedar Shake and Shingle Bureau (CSSB), unless otherwise noted.

1.02 SUBMITTALS

A. Provide manufacturer’s product data sheets, maintenance recommendations, and warranties of all products and materials, including, but not limited to wood shingles, staples, felt underlayment, flashing, and vents, per Section C.6.

B. Special Warranty: CSSB’s standard form in which CSSB agrees to repair or replace wood shingles that fail in materials within specified warranty period.

Material failures include manufacturing defects that result in leaks.

1. Material Warranty Period: 25 years for shingles and 20 years for manufactured hip and ridge units from date of Substantial Completion.

A. Special Project Warranty: Roofing Installer’s warranty, signed by roofing Installer, covering work of this Section, in which roofing Installer agrees to repair or replace components of asphalt shingle roofing that fail in materials or workmanship within 2 years from date of Substantial Completion.

1.03 DELIVERY, STORAGE, AND HANDLING

A. Deliver materials to the sites, undamaged, with labels intact. Store out of weather in a well ventilated area as per manufacturer’s instructions.

2. PART 2 - PRODUCTS

2.01 MATERIALS

A. Wood Shingles.

1. VG, 16 inch, No. 1 Western Red Cedar (WRC), maximum width 10 inch, minimum width 4 inch. All shingles shall bear the CSSB’s official grade marked label.

2. Obtain wood shingles through one source from a single manufacturer.

3. If spaced sheathing will not accommodate above specified shingles, immediately notify the CO.

B. Staples.

Staples shall be aluminum or stainless steel (type 304 or 316) 16 gauge. Two staples shall be driven per shingle with the staple crowns 7/16” minimum

Rev. Date 02/10 Malheur NF – Forest-Wide Roof Replacements 07313 - 2/5

Wood Shingles horizontal, maximum ¾” horizontal to shingle butt. Staples shall penetrate into the sheathing at least ¾” or all the way through and driven flush with the surface of the shingle, unless otherwise specified by the manufacturer and approved by the CO.

C. Felt Underlayment: ASTM D226, Type II, 30 pounds/square, 36” wide.

D. Flashing: 26 gauge G.I.

E. Vents : Replace in-kind with CO approved manufacturer and model.

F. Salvage Materials – Remove and Reinstall

1. Blue Mountain Work Center – Metal ridge cap on Barn (#2405)

2. John Day Compound – Metal ridge cap on 110 Garage (# 1502).

3. Allison Guard Station – Metal ridge and hip caps on all buildings.

A. Remove existing shingles, any underlayment, and correlating roof flashing and dispose in accordance to C.3 of these specifications. The Contractor shall maintain a debris collection box beneath the removal operation to minimize nail and/or staples in driving and parking areas.

B. Items designated to be removed and reinstalled shall be done so without damaging the existing materials. Any materials damaged by the Contractor shall be replaced in-kind at no additional cost to the Government. The Contractor shall notify the CO prior to removal if existing materials cannot be reused.

C. Immediately notify CO of any damaged or unsuitable sheathing or structural members, if solid wood sheathing is not present at eaves or roof transitions as recommended by the CSSB, if entire roof is sheathed with solid sheathing, or if spaced sheathing is not 1x4 or 1x6 sheathing.

D. Nail heads and/or staples shall be pulled or driven level with sheeting surface.

Remove roof debris prior to the laying out of the underlays.

E. The contractor shall secure written approval from CO after existing roofing is removed and prior to the start of new roofing operations.

3.02 INSTALLATION OF NEW ROOFING

A. Install 36” starter felt at eaves, roof transitions, and valleys as recommend by the

CSSB.

B. Apply a single layer of felt underlayment to sheathing as recommended by underlayment manufacturer.

C. Shingles shall be applied with maximum weather exposure correlating to shingle length and roof slope as recommended by the CSSB. Apply double starter course at eaves. Project first course 1-1/2 inch beyond sheathing or fascia and ~1 inch over the gable or rake ends. Space shingles 1/4 inch apart and staggers joints 1-1/2 inch in adjacent courses. Joints in alternate courses shall not be in direct alignment.

Rev. Date 02/10 Malheur NF – Forest-Wide Roof Replacements 07313 - 3/5

Wood Shingles

D. Apply shingles with two staples per shingle, 3/4 inch from the edge and not more than 1 inch above the exposure line.

E. Underdriving or overdriving any fastener will not be accepted.

F. Finish hips and ridges "Modified Boston Style" with concealed fastening

G. Install a strip of felt, eave protection material or metal over hip or ridge under the ridge or hip cap, adjusting exposure according to length of ridge cap.

H. Install metal flashing in all roof transitions and valleys as recommended by the CSSB. Flashing should not extend less than 11 inch on each side of valley center for roof slopes less than 12:12, and a minimum of 8 inch on each side of valley center for roof slopes of 12:12. Valley flashing should be center-crimped and underlayed with minimum Type II roofing felt. The Contractor shall not apply shingles with their grain parallel to the valley centerline. Saw all shingles extending into valleys to the proper miter.

I. Flashing for chimneys, apron counters, saddles or crickets, vertical surfaces and or slopes, dormers, window caps, and soil pipes shall be installed per CSSB specification guidelines

J. Vents shall be installed per manufacturer’s requirements

3.03 CLEAN-UP

A. After roofing installation is complete, all scraps, wrapping, packing, nails, staples, and other miscellaneous debris created shall be picked up, removed, and disposed of in accordance to Section C of these specifications.

4.

5. PART 4 - MEASUREMENT AND PAYMENT

4.01 METHOD OF MEASUREMENT

Measurement shall be of each unit of work completed and accepted by the Government.

Mobilization, clean-up, removal and reinstallation of designated materials, and installation of all miscellaneous materials for a complete water-tight roofing system are considered incidental to these basic bid items.

Blue Mountain Work Center

Ranger's House (Building 1026)

07313 (01) Remove/Dispose Existing Wood Shingle Roofing AQ SF

Rev. Date 02/10 Malheur NF – Forest-Wide Roof Replacements 07313 - 4/5

Wood Shingles

07313 (02) Install New Wood Shingle Roof System AQ SF Old Office (Building 2003)

07313 (03) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313 (04) Install New Wood Shingle Roof System AQ SF Barn (Building2405)

07313 (05) Install New Wood Shingle Roof System AQ SF Warehouse (Building 2206)

07313 (06) Install New Wood Shingle Roof System AQ SF

John Day Compound

115 Residence (Building 1004)

07313 (07) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313 (08) Install New Wood Shingle Roof System AQ SF 130 Residence (Building 1002)

07313 (09) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(10) Install New Wood Shingle Roof System AQ SF 130 Garage (Building 1501)

07313(11) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(12) Install New Wood Shingle Roof System AQ SF 110 Residence (Building 1006)

07313(13) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(14) Install New Wood Shingle Roof System AQ SF 110 Garage (Building 1502)

07313(15) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(16) Install New Wood Shingle Roof System AQ SF 145 Residence (Building 1003)

07313(17) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(18) Install New Wood Shingle Roof System AQ SF Auto Shop (Building 2100)

07313(19) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(20) Install New Wood Shingle Roof System AQ SF Barn (Building2400)

07313(21) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(22) Install New Wood Shingle Roof System AQ SF Soils Lab (Building 2200)

07313(23) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(24) Install New Wood Shingle Roof System AQ SF Open Storage (Building 2301)

07313(25) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(26) Install New Wood Shingle Roof System AQ SF Tree Cooler (Building 2309)

07313(27) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(28) Install New Wood Shingle Roof System AQ SF Gas House (Building 2500)

07313(29) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(30) Install New Wood Shingle Roof System AQ SF

306 E. Main, John Day

Residence (Building 1001)

07313(31) Remove/Dispose Existing Wood Shingle Roofing AQ SF

Rev. Date 02/10 Malheur NF – Forest-Wide Roof Replacements 07313 - 5/5

Wood Shingles

07313(32) Install New Wood Shingle Roof System AQ SF Garage (Building 1500)

07313(33) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(34) Install New Wood Shingle Roof System AQ SF

Crane Prairie Administrative Site

Barn (Building2401)

07313(35) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(36) Install New Wood Shingle Roof System AQ SF Fire Guard Cabin (Building 1300)

07313(37) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(38) Install New Wood Shingle Roof System AQ SF Ranger's Residence (Building 1008)

07313(39) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(40) Install New Wood Shingle Roof System AQ SF Paint House (Building 2502)

07313(41) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(42) Install New Wood Shingle Roof System AQ SF Range Cabin (Building 1402)

07313(43) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(44) Install New Wood Shingle Roof System AQ SF Gas House (Building 2501)

07313(45) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(46) Install New Wood Shingle Roof System AQ SF Weight Room (Building 2605)

07313(47) Install New Wood Shingle Roof System AQ SF

Allison Guard Station

Cookhouse (Building 1301)

07313(48) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(49) Install New Wood Shingle Roof System AQ SF Garage (Building 1506?)

07313(50) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(51) Install New Wood Shingle Roof System AQ SF Gas House (Building 2503)

07313(52) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(53) Install New Wood Shingle Roof System AQ SF Generator (Building 1874)

07313(54) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(55) Install New Wood Shingle Roof System AQ SF Large Residence (Building 1151)

07313(56) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(57) Install New Wood Shingle Roof System AQ SF Small Residence (Building 1152)

07313(58) Remove/Dispose Existing Wood Shingle Roofing AQ SF 07313(59) Install New Wood Shingle Roof System AQ SF

Rev. Date 02/10 Malheur NF – Forest-Wide Roof Replacements 07412 - 1/5

Metal Roofing

SECTION 07412

METAL ROOFING

1. PART 1 - GENERAL

1.01 SUMMARY

A. This section specifies removal and replacement of metal roofing systems, including installation of 2 government furnished explosion vents, and design and construction of 3 dormers.

B. Project locations are as designated in Section C.2 of these specifications.

1.02 SUBMITTALS

A. Provide manufacturer’s product data sheets, maintenance data, and warranties for all products and materials per Section C.6.

B. Dormer Design.

C. Special Warranty: Manufacturer’s standard form in which manufacturer agrees to repair or replace sheet metal roofing that fails or shows evidence of deterioration of factory-applied finishes. Failures include color fading, chalking, cracking, checking, peeling, or failure of paint to adhere to bare metal. Roofing shall have a minimum 20-year non-prorated paint warranty from date of Substantial Completion.

D. Special Project Warranty: Roofing Installer’s warranty, signed by roofing Installer, covering work in this Section, in which roofing Installer agrees to repair or replace components of metal roofing that fail in materials or workmanship within 2 years from date of Substantial Completion. Failures include, but are not limited to, structural failures, loose parts, wrinkling or buckling, failure to remain weather-tight, deterioration of metals, finishes or other materials beyond normal weathering, galvanic action between sheet metal roofing and dissimilar materials. The Contractor shall warrant all installed materials against defects and/or workmanship, to remain watertight and weatherproof with normal usage, and to repair or replace without additional cost to the Government any leaks, and resulting damage to other materials and building contents as may occur.

1.03 DELIVERY, STORAGE, AND HANDLING

A. Deliver materials to the sites, undamaged, with labels intact. Store out of the weather in a well ventilated area as per manufacturer’s instructions.

Rev. Date 02/10 Malheur NF – Forest-Wide Roof Replacements 07412 - 2/5

2. PART 2 - PRODUCTS

2.01 MATERIALS FOR: HINES ADMINISTRATIVE SITE GIS SHOP (#2104) &

FLAMMABLE STORAGE (#2303).

A. Roofing panels: 24 gauge steel, 0.0239” thickness, baked enamel, smp or equivalent finish. Panels shall be between 12 and 18 inches with one inch (or higher) standing seam. Metal panels shall meet or exceed ASTM E1514.

B. Ridge cap: 24 gauge steel, per manufacturer’s recommendations, formed to match roofing material and pitch.

C. Sheet metal roofing accessories shall be preformed of the same material, finish, and color as the roofing. Thickness shall be 24 gauge steel. The Contractor shall provide all necessary components required for a complete sheet metal roofing assembly including flashing, trim, copings, fascia, corner units, ridge closures, clips, flashings, sealants, gaskets, fillers, closure strips, and similar items as required to seal against weather and to provide finished appearance. Locations include, but are not limited to, eaves, rakes, corners, bases, framed openings, ridges, fascia, and fillers. All components shall match material, finish, and color of approved sheet metal roofing.

D. Pipe Flashing: Premolded, EPDM pipe collar with flexible aluminum ring bonded to base.

E. Fasteners as recommended by fabricator for sheet metal roofing

F. Felt Underlayment: ASTM D-226, Type II (No. 30), asphalt-saturated felts.

G. Self-adhering, high-temperature sheet: 30-40 mils thick minimum, consisting of slip-resisting polyethylene-film top surface laminated to layer of butyl or SBS-modified asphalt adhesive, with release-paper backing; cold applied. Provide primer when recommended by underlayment manufacturer. Stormguard HT, Certainteed Corp., or approved equal.

H. Slip sheets: Building paper, minimum 5 lb/100 sq. ft., rosin sized.

I. Vents: Replace in-kind with CO approved manufacturer and model.

J. Explosion Vents: 2 government furnished explosion vents will be provided to the Contractor at the Hines Administrative Site and shall be installed on the GIS Shop (#2104).

K. Fascia Boards: Shall be replaced in-kind on the GIS Shop (#2104).

L. Lumber shall be as specified in Rough Carpentry 06100.

M. Paint and Primer for exposed wood (dormers and replaced fascia boards) shall meet requirements as specified in Section 09900 – Painting.

Rev. Date 02/10 Malheur NF – Forest-Wide Roof Replacements 07412 - 3/5

N. Roofing materials shall be Patriot 2000 standing seam pattern by WM. Holly Enterprises, Inc. (541-389-3038) or approved equal. The color shall be approved by the CO.

2.02 MATERIALS FOR THE AWARD OF OPTION ITEMS 1, 2, AND/OR 3.

A. Upon award of Option Items 1 and 2 for Blue Mountain Work Center Buildings Barn (#2405) and Warehouse (#2206), respectively, new roofing materials shall match the existing roofing architecturally. The Contractor shall submit to the CO available alternatives for approval.

B. Roofing materials shall be a minimum 24 gauge steel, 0.0239” thickness.

C. Fasteners, felt, self adhering membrane, vents, and slip sheets shall meet specifications as listed above.

D. Salvage Materials – Remove and Reinstall

1. Blue Mountain Work Center Barn #2405 – metal ridge cap.

A. Remove existing roofing, underlayment, and correlating roof flashing and existing explosion vents and dispose in accordance to C.3 of these specifications. The Contractor shall maintain a debris collection box beneath the removal operation to minimize nail and/or staples in driving and parking areas.

B. Items designated to be removed and reinstalled shall be done so without damaging the existing materials. Any materials damaged by the Contractor shall be replaced in-kind at no additional cost to the Government. The Contractor shall notify the CO prior to removal if existing materials cannot be reused.

C. Immediately notify CO of any damaged or unsuitable sheathing or structural members.

D. Nail heads and/or staples shall be pulled or driven level with sheeting surface.

Remove roof debris prior to the laying out of the underlays.

E. The Contractor shall secure written approval from CO after existing roofing is removed and prior to the start of new roofing operations.

3.02 CONSTRUCTION OF SNOW DEFLECTION DORMERS

A. Design of dormers shall be approved in writing by the CO prior to construction and installation. Dormer construction will include framing, sheathing, sealing the valleys with flashing, installation of fascia board, underlayments, slip sheets, Rev. Date 02/10 Malheur NF – Forest-Wide Roof Replacements 07412 - 4/5 priming and painting exposed wood to match existing exterior building colors, and installation of metal roofing.

3.03 FASCIA BOARD REPLACEMENT – GIS SHOP (#2104)

A. Remove and dispose of existing fascia. Replace in-kind and prime and paint according to manufacturer’s instructions.

3.04 INSTALLATION OF EXPLOSION VENTS – GIS SHOP (#2104)

A. Install 2 government furnished explosion vents per manufacturer’s requirements.

3.05 INSTALLATION OF NEW ROOFING

A. Install metal roofing per manufacturer’s installation instructions and recommendations with the standing seams laid in the direction of the roof slope.

Install ridge caps, gable and eve trim, and flashing per manufacturers recommendations.

B. Apply felt in horizontal courses starting at the eave edge. Lap edges a minimum of 3 inches. Apply a minimum of one layer on roof decks having a slope of 4:12 or greater, and a minimum of two layers for slopes 3:12 or less. Scatter nail or staple felt.

C. Apply ice and water shield product in horizontal courses starting along the eave edge and extending upslope a minimum 3 feet inside the exterior wall line. All side overlaps must be 3 inches or more or as recommended by the manufacturer.

D. Install a slip sheet over the underlayment to protect underlayment from damage from panels adhere to and tearing underlayment.

3.06 CLEAN-UP

A. After roofing installation is complete, all scraps, wrapping, packing, nails, staples, and other miscellaneous debris created shall be picked up, removed, and disposed of in accordance to Section C of these specifications.

PART 4 – MEASUREMENT AND PAYMENT

4.01 METHOD OF MEASUREMENT

Measurement shall be of each unit of work completed and accepted by the Government.

Mobilization, clean-up, design and construction of dormers, removal, disposal and replacement of fascia, priming and painting, installation of government furnished explosion vents, and installation of all miscellaneous accessories for a complete weather-tight roofing system are considered incidental to these basic bid items.

Rev. Date 02/10 Malheur NF – Forest-Wide Roof Replacements 07412 - 5/5

Barn (Building 2405)

07412(01) Remove/Dispose Existing Metal Roofing AQ SF

07412(02) Remove/Dispose Existing Metal Roofing AQ SF

Hines Administrative Site

GIS Shop (Building 2104)

07412(03) Install New Metal Roofing AQ SF

Flammable Storage (Building 2303)

07412(04) Install New Metal Roofing AQ SF

OPTION ITEM #1: Deletes Item #07313(06) & Adds:

Barn (Building2405)

07412(05) Install New Metal Roofing AQ SF

OPTION ITEM #2: Deletes Item #07313(07) & Adds:

07412(06) Install New Metal Roofing AQ SF

Rev. Date 02/10 Malheur NF – Forest-Wide Roof Replacement 09900 - 1/2

Painting

SECTION 09900

PAINTING

1. PART 1 - GENERAL

1.01 SUMMARY

A. This section specifies priming and painting replaced fascia and exterior exposed wood in the construction of dormers for the GIS Shop (#2104) located at the Hines Administrative Site. Work includes, but is not limited to, furnishing all materials and equipment, preparation, application and completion of all priming and painting of surfaces as specified herein.

1.02 DELIVERY, STORAGE, AND HANDLING

A. Deliver material to site in the original containers with labels intact and seals unbroken and store according to manufacturer’s instructions.

1.03 SUBMITTALS

A. Furnish color chips (for approval by CO) on all proposed paint prior to delivering to the site.

2. PART 2 - PRODUCTS

2.01 MATERIALS

A. Crack/split filler.

1. Premium quality elastomeric compound, knife grade or caulk grade, as recommended by paint manufacturer for compatibility.

B. Hole/large crack filler.

1. premium quality fiberglass or epoxy filler, as recommended by paint manufacturer for compatibility.

C. Paint thinner.

1. if required, as recommended by paint manufacturer for compatibility.

D. Primer.

1. acrylic primer/sealer by Columbia Paint, or approved equal, as recommended by paint manufacturer for compatibility.

E. Rust inhibitive primer.

1. as recommended by paint manufacturer for compatibility.

F. Paint.

1. shall be 100% acrylic latex exterior paint, Columbia Paint Solid Color or approved equal. All products shall be manufacturer’s top quality, premium grade. All components shall be compatible as recommended by the paint manufacturer for the application indicated.

Rev. Date 02/10 Malheur NF – Forest-Wide Roof Replacement 09900 - 2/2

Painting

3. PART 3 - EXECUTION

3.01 PREPERATION

A. Comply with paint manufacturer’s written instructions for surface preparation, environmental, and substrate conditions, product mixing, and application.

B. Surface shall be thoroughly dry prior to applying primer. Application of primer shall be in accordance to manufacturer’s instructions.

3.02 MIXING

A. All paints shall be the standard product of a paint manufacturer, delivered to the job in standard containers.

B. Primer and paint shall be prepared according to manufacturer’s requirements.

3.03 EXTERIOR FINISH

A. All exterior wood surfaces of dormers and replaced fascia shall be painted. Prepare wood surfaces in accordance to manufacturer’s instructions including priming instructions. A minimum of two finish coats of exterior latex paint shall be applied, as required, to produce a uniform surface appearance.

B. All paint shall be applied with a brush, roller, or air-less spray gun. Paint applied with an air-less sprayer shall be back rolled or brushed to provide uniform application and texture.

C. Surfaces not to be painted shall be covered and protected.

D. Apply only when air temperature is above 50º F.

3.04 CLEAN-UP

A. Remove daily, cloths and waste material that may constitute a fire hazard.

B. Contractor shall ensure that all paint spots, spills, and slop-over areas are removed from hardware, floors, window glass, and other surfaces not to be painted. All empty cans, containers, and other debris generated by Contractor shall be removed from the site and disposed of in accordance with State and County requirements for solid waste disposal.

C. All masking used shall be removed.

D. Contractor shall not discharge paint, thinner or cleanup liquids on the ground.

4. PART 4 - MEASUREMENT AND PAYMENT

4.01 METHOD OF MEASUREMENT

No separate payment will be made under this section. All work under this section will be considered incidental to items as listed under the Schedule of Items.

Building Photos

Blue Mountain Work Center Buildings:

Ranger’s House (#1026) Old Office (#2003) Barn (2405)

Warehouse (#2206)

John Day Compound Buildings:

115 Residence (#1004) 130 Residence (#1002) 130 Garage (#1501)

110 Residence (#1006) 110 Garage (#1502) 145 Residence (#1003)

Auto Shop (#2100) Barn (#2400) Soils Lab (#2200)

Open Storage (#2301) Tree Cooler (#2309) Gas House (#2500)

306 Main St., John Day, Oregon:

Main Residence (#1001) Main Garage (#1500)

404 Canton St., John Day, Oregon:

Daycare (#1043)

230 NE Dayton St., John Day, Oregon:

Communications (#2103)

Crane Prairie Administrative Site Buildings:

Barn (#2401) Fire Guard Cabin (#1300) Ranger’s Residence (#1008)

Paint Hse (#2502) & Gas Hse (#2501) Range Cabin (#1311) Weight Room (#2605)

Allison Guard Station Buildings:

Cookhouse (#1301) Garage (#1506) Gas House (#2503)

Generator (#1874) Large Residence (#1151) Small Residence (#1152)

Crow Flat Guard Station Buildings:

Bunkhouse (#1314) Gas House (#2509) Laundry Building (#2503)

Storage (#2505)

Hines Administrative Site Buildings:

GIS Shop (#2104) Flammable Storage (#2303)

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