CO1 Rough Carpentry.doc

Project # Colleton State Park 9/25

Ranger Residence Renovation Rev. 0

Copyright 2008 by The American Institute of Architects (AIA)

Exclusively published and distributed by Architectural Computer Services, Inc. (ARCOM) for the AIA

SECTION 061000 - ROUGH CARPENTRY

Revise this Section by deleting and inserting text to meet Project-specific requirements.

Verify that Section titles referenced in this Section are correct for this Project's Specifications; Section titles may have changed.

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

Revise subparagraphs below to suit Project.

1. Framing with dimension lumber.

2. Framing with engineered wood products.

3. Shear wall panels.

4. Rooftop equipment bases and support curbs.

5. Wood blocking, cants, and nailers.

6. Wood furring and grounds.

7. Wood sleepers.

8. Plywood backing panels.

1.2 ACTION SUBMITTALS

A. Product Data: For each type of process and factory-fabricated product.

1. Include data for wood-preservative treatment from chemical treatment manufacturer and certification by treating plant that treated materials comply with requirements

2. Include data for fire-retardant treatment from chemical treatment manufacturer and certification by treating plant that treated materials comply with requirements.

1.3 INFORMATIONAL SUBMITTALS

Retain "Material Certificates" Paragraph below if applicable; delete if species and grade are indicated for each use.

A. Material Certificates: For dimension lumber specified to comply with minimum allowable unit stresses. Indicate species and grade selected for each use and design values approved by the ALSC Board of Review.

B. Evaluation Reports: For the following, from ICC-ES:

1. Wood-preservative-treated wood.

2. Fire-retardant-treated wood.

3. Engineered wood products.

4. Shear panels.

5. Power-driven fasteners.

6. Powder-actuated fasteners.

7. Expansion anchors.

8. Metal framing anchors.

PART 2 - PRODUCTS

See Editing Instruction No. 1 in the Evaluations for cautions about named manufacturers and products. For an explanation of options and Contractor's product selection procedures, see Division 01 Section "Product Requirements."

2.1 WOOD PRODUCTS, GENERAL

Retain "Certified Wood" Paragraph below if wood products are required to be certified for LEED. Retain first option and delete list that follows if all rough carpentry must be certified wood. An alternative method of dealing with this credit requirement is to retain requirement in Division 01 Section "Sustainable Design Requirements" that gives Contractor the option and responsibility to determine how the credit requirement will be met.

A. Lumber: DOC PS 20 and applicable rules of grading agencies indicated. If no grading agency is indicated, provide lumber that complies with the applicable rules of any rules-writing agency certified by the ALSC Board of Review. Provide lumber graded by an agency certified by the ALSC Board of Review to inspect and grade lumber under the rules indicated.

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

Retain only first option in first subparagraph below if authorities having jurisdiction require grade stamps on all materials.

2. For exposed lumber indicated to receive a stained or natural finish, omit grade stamp and provide certificates of grade compliance issued by grading agency.

Revise subparagraph below if rough lumber is acceptable for all work.

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

Retain one of three options in "Maximum Moisture Content of Lumber" Paragraph below, or delete paragraph if green lumber is acceptable in all thicknesses. Verify availability of lumber with 15 percent maximum moisture content before retaining. Lumber more than 2 inches nominal (38 mm actual) in thickness is often shipped green. See Evaluations.

B. Maximum Moisture Content of Lumber: 19 percent unless otherwise indicated.

C. Engineered Wood Products: Provide engineered wood products acceptable to authorities having jurisdiction and for which current model code research or evaluation reports exist that show compliance with building code in effect for Project.

1. Allowable Design Stresses: Provide engineered wood products with allowable design stresses, as published by manufacturer, that meet or exceed those indicated. Manufacturer's published values shall be determined from empirical data or by rational engineering analysis and demonstrated by comprehensive testing performed by a qualified independent testing agency.

2.2 WOOD-PRESERVATIVE-TREATED LUMBER

A. Preservative Treatment by Pressure Process: AWPA U1; Use Category UC2 for interior construction not in contact with the ground, Use Category UC3b for exterior construction not in contact with the ground, and Use Category UC4a for items in contact with the ground.

See Evaluations for information about treatment chemicals.

1. Preservative Chemicals: Acceptable to authorities having jurisdiction and containing no arsenic or chromium. Do not use inorganic boron (SBX) for sill plates.

B. Kiln-dry lumber after treatment to a maximum moisture content of 19 percent. Do not use material that is warped or that does not comply with requirements for untreated material.

C. Mark lumber with treatment quality mark of an inspection agency approved by the ALSC Board of Review.

Retain first option and delete list that follows if all rough carpentry must be treated with wood preservative.

D. Application: Treat items indicated on Drawings, and the following:

Retain first subparagraph below if Project includes wood adjacent to roofing or waterproofing.

1. Wood cants, nailers, curbs, equipment support bases, blocking, stripping, and similar members in connection with roofing, flashing, vapor barriers, and waterproofing.

2. Wood sills, sleepers, blocking, furring, stripping, and similar concealed members in contact with masonry or concrete.

3. Wood framing and furring attached directly to the interior of below-grade exterior masonry or concrete walls.

4. Wood framing members that are less than 18 inches (460 mm) above the ground in crawlspaces or unexcavated areas.

5. Wood floor plates that are installed over concrete slabs-on-grade.

Insert other items that require treatment but are not likely to be indicated on Drawings.

Insert other items that require treatment but are not likely to be indicated on Drawings.

2.3 DIMENSION LUMBER FRAMING

"Non-Load-Bearing Interior Partitions" and "Framing Other Than Non-Load-Bearing Interior Partitions" paragraphs in this article provide choices for specifying different categories of framing. Retain one paragraph for each category of framing required. In each paragraph where grade designations are used, grades are listed in order of decreasing quality (and cost).

A. Non-Load-Bearing Interior Partitions: Construction or No. 2 grade.

1. Application: Interior partitions not indicated as load-bearing.

2. Species:

Usually retain all species below that meet requirements except those not available in Project's location. Species groups are listed in order of decreasing modulus of elasticity.

a. Mixed southern pine; SPIB.

b. Northern species; NLGA.

c. Eastern softwoods; NeLMA.

d. Western woods; WCLIB or WWPA.

B. Framing Other Than Non-Load-Bearing Interior Partitions: No. 2 grade.

1. Application: Framing other than interior partitions not indicated as load-bearing.

2. Species:

Usually retain all species below that meet requirements except those not available in Project's location. Species groups are listed in order of decreasing strength (extreme fiber in bending).

a. Hem-fir (north); NLGA.

b. Southern pine; SPIB.

c. Douglas fir-larch; WCLIB or WWPA.

Delete "Southern pine; SPIB" Subparagraph above if retaining "Mixed southern pine; SPIB" Subparagraph below.

d. Mixed southern pine; SPIB.

e. Spruce-pine-fir; NLGA.

f. Douglas fir-south; WWPA.

g. Hem-fir; WCLIB or WWPA.

h. Douglas fir-larch (north); NLGA.

i. Spruce-pine-fir (south); NeLMA, WCLIB, or WWPA.

"Framing Other Than Non-Load-Bearing Interior Partitions" Paragraph below is an example of a performance requirement that can be used instead of "Framing Other Than Non-Load-Bearing Interior Partitions" Paragraph above.

Retain "Exposed Framing" Paragraph for high-quality appearance for exposed work. Delete if not applicable or if grade and species selected above are suitable. See Evaluations. Copy and re-edit if both exterior and interior exposed framing are required but are not same species and grades.

C. Exposed Framing: Provide material hand-selected for uniformity of appearance and freedom from characteristics, on exposed surfaces and edges, that would impair finish appearance, including decay, honeycomb, knot-holes, shake, splits, torn grain, and wane.

1. Application: Exposed exterior and interior framing.

2. Species and Grade: As indicated above for load-bearing construction of same type.

2.4 ENGINEERED WOOD PRODUCTS

First option in "Engineered Wood Products, General" Paragraph below applies to LEED-NC, LEED-CI, and LEED-CS. Engineered wood products generally do not contain urea formaldehyde. Second option applies to LEED for Schools.

A. Engineered Wood Products, General: Products shall contain no urea formaldehyde.

Paragraphs and subparagraphs in this article are examples of descriptive and property requirements based on product data of various manufacturers. Verify that current products comply or revise. See Evaluations.

B. Laminated-Veneer Lumber: Structural composite lumber made from wood veneers with grain primarily parallel to member lengths, evaluated and monitored according to ASTM D 5456 and manufactured with an exterior-type adhesive complying with ASTM D 2559.

Insert other properties of laminated-veneer lumber here if critical.

C. Wood I-Joists: Prefabricated units, I-shaped in cross section, made with solid or structural composite lumber flanges and wood-based structural panel webs, let into and bonded to flanges. Provide units complying with material requirements of and with structural capacities established and monitored according to ASTM D 5055.

Retain one option in "Web Material" Subparagraph below. Flange material is determined by performance rating. See the Evaluations in Division 06 Section "Sheathing" for information about durability classifications of plywood and oriented strand board.

1. Web Material: Either oriented strand board or plywood, complying with DOC PS 1 or DOC PS 2, Exposure 1.

2. Structural Properties: Provide units with depths and design values not less than those indicated.

APA ratings referenced in subparagraph below are easy to designate structural properties required, but retaining below may reduce competition by eliminating manufacturers that do not participate in APA program. See Evaluations.

3. Provide units complying with APA PRI-400, factory marked with APA trademark indicating nominal joist depth, joist class, span ratings, mill identification, and compliance with APA standard.

Retain "Rim Boards" Paragraph if required for use with wood I-joists. I-joist blocking can also be used, but rim board is stronger and requires less labor.

D. Rim Boards: Product designed to be used as a load-bearing member and to brace wood I-joists at bearing ends, complying with research/evaluation report for I-joists.

Usually retain all options in "Material" Subparagraph below.

1. Material: [All-veneer product] [glued-laminated wood] [or] [product made from any combination solid lumber, wood strands, and veneers].

2. Thickness: [1 inch (25 mm)] [1-1/8 inches (28 mm)] [1-1/4 inches (32 mm)].

Referencing APA standard may reduce competition by eliminating manufacturers that do not participate in APA program. See Evaluations.

3. Provide performance-rated product complying with APA PRR-401, [rim board] [rim board plus] grade, factory marked with APA trademark indicating thickness, grade, and compliance with APA standard.

2.5 SHEAR WALL PANELS

Retain "Manufacturers" Paragraph and list of manufacturers below to require products from manufacturers listed or a comparable product from other manufacturers.

A. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

Retain "Basis-of-Design Product" Paragraph and list of manufacturers below to identify a specific product or a comparable product from manufacturers listed. Retain option and delete insert note if manufacturer's name and model number are indicated on Drawings.

1. Shear Transfer Systems.

2. Simpson Strong-Tie Co., Inc.

3. Weyerhaeuser Company.

4. Or approved equal.

B. Wood-Framed Shear Wall Panels: Prefabricated assembly consisting of wood perimeter framing, tie downs, and Exposure I, Structural I plywood or OSB sheathing.

First option in subparagraph below applies to LEED-NC, LEED-CI, and LEED-CS. Shear wall panels generally do not contain urea formaldehyde. Second option applies to LEED for Schools.

1. Products shall contain no urea formaldehyde.

C. Steel-Framed Shear Wall Panels: Prefabricated assembly consisting of cold-formed galvanized steel panel, steel top and bottom plates, and wood studs.

If retaining first option in "Allowable Design Loads" Paragraph below, indicate design loads for shear wall panels on Drawings.

D. Allowable Design Loads: Provide products with allowable design loads, as published by manufacturer, that meet or exceed those [indicated] [of basis-of-design products]. Manufacturer's published values shall be determined from empirical data or by rational engineering analysis and demonstrated by comprehensive testing performed by a qualified independent testing agency.

2.6 MISCELLANEOUS LUMBER

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

1. Blocking.

2. Nailers.

3. Rooftop equipment bases and support curbs.

4. Cants.

5. Furring.

6. Grounds.

B. For items of dimension lumber size, provide Construction or No. 2 grade lumber of any species.

Retain paragraph below for furring, grounds, and nailing strips if required, and for truss bracing specified by reference to this Section.

C. For concealed boards, provide lumber with 19 percent maximum moisture content and any of the following species and grades:

Revise list below; usually retain all species that meet requirements except those not available in Project's location. Species groups below are not necessarily of equal quality even when of same grade.

1. Mixed southern pine; No. 2 grade; SPIB.

2. Eastern softwoods; No. 2 Common grade; NeLMA.

3. Northern species; No. 2 Common grade; NLGA.

4. Western woods; Construction or No. 2 Common grade; WCLIB or WWPA.

2.7 PLYWOOD BACKING PANELS

A. Equipment Backing Panels: DOC PS 1, [Exterior, AC] [Exterior, C-C Plugged] [Exposure 1, C-D Plugged], in thickness indicated or, if not indicated, not less than [1/2-inch (13-mm)] [3/4-inch (19-mm)] nominal thickness.

Retain subparagraph below if required for LEED for Schools.

1. Plywood shall comply with the testing and product requirements of the California Department of Health Services' "Standard Practice for the Testing of Volatile Organic Emissions from Various Sources Using Small-Scale Environmental Chambers."

2.8 FASTENERS

A. General: Provide fasteners of size and type indicated that comply with requirements specified in this article for material and manufacture.

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

NES NER-272 covers power-driven staples, nails, P-nails, and allied fasteners.

B. Power-Driven Fasteners: NES NER-272.

C. Bolts: Steel bolts complying with ASTM A 307, Grade A (ASTM F 568M, Property Class 4.6); with ASTM A 563 (ASTM A 563M) hex nuts and, where indicated, flat washers.

2.9 METAL FRAMING ANCHORS

Retain "Manufacturers" Paragraph and list of manufacturers below to require products from manufacturers listed or a comparable product from other manufacturers.

A. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

Retain "Basis-of-Design Product" Paragraph and list of manufacturers below to identify a specific product or a comparable product from manufacturers listed. Retain option and delete insert note if manufacturer's name and model number are indicated on Drawings.

1. Cleveland Steel Specialty Co.

2. KC Metals Products, Inc.

3. Phoenix Metal Products, Inc.

4. Simpson Strong-Tie Co., Inc.

5. USP Structural Connectors.

6. Or approved equal.

If retaining first option in "Allowable Design Loads" Paragraph below, indicate design loads for metal framing anchors on Drawings.

B. Allowable Design Loads: Provide products with allowable design loads, as published by manufacturer, that meet or exceed those [of products of manufacturers listed]. Manufacturer's published values shall be determined from empirical data or by rational engineering analysis and demonstrated by comprehensive testing performed by a qualified independent testing agency.

Galvanized steel is typical for most manufacturers and is suitable for most applications.

C. Galvanized-Steel Sheet: Hot-dip, zinc-coated steel sheet complying with ASTM A 653/A 653M, G60 (Z180) coating designation.

1. Use for interior locations unless otherwise indicated.

D. Hot-Dip, Heavy-Galvanized Steel Sheet: ASTM A 653/A 653M; structural steel (SS), high-strength low-alloy steel Type A (HSLAS Type A), or high-strength low-alloy steel Type B (HSLAS Type B); G185 (Z550) coating designation; and not less than 0.036 inch (0.9 mm) thick.

1. Use for wood-preservative-treated lumber and where indicated.

2.10 MISCELLANEOUS MATERIALS

Retain one of two "Sill-Sealer Gaskets" paragraphs below if required. First paragraph is suitable for dry masonry. Second paragraph is more suitable for applications close to the ground or likely to remain damp.

A. Sill-Sealer Gaskets: Glass-fiber-resilient insulation, fabricated in strip form, for use as a sill sealer; 1-inch (25-mm) nominal thickness, compressible to 1/32 inch (0.8 mm); selected from manufacturer's standard widths to suit width of sill members indicated.

B. Sill-Sealer Gaskets: Closed-cell neoprene foam, 1/4 inch (6.4 mm) thick, selected from manufacturer's standard widths to suit width of sill members indicated.

Retain "Flexible Flashing" Paragraph below if required as a separator between preservative-treated wood and metal decking.

C. Flexible Flashing: Composite, self-adhesive, flashing product consisting of a pliable, butyl rubber or rubberized-asphalt compound, bonded to a high-density polyethylene film, aluminum foil, or spunbonded polyolefin to produce an overall thickness of not less than 0.025 inch (0.6 mm).

PART 3 - EXECUTION

3.1 INSTALLATION, GENERAL

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 furring, nailers, blocking, grounds, and similar supports to comply with requirements for attaching other construction.

B. Framing Standard: Comply with AF&PA's WCD 1, "Details for Conventional Wood Frame Construction," unless otherwise indicated.

C. Framing with Engineered Wood Products: Install engineered wood products to comply with manufacturer's written instructions.

D. Shear Wall Panels: Install shear wall panels to comply with manufacturer's written instructions.

E. Metal Framing Anchors: Install metal framing anchors to comply with manufacturer's written instructions. Install fasteners through each fastener hole.

F. Do not splice structural members between supports unless otherwise indicated.

G. Comply with AWPA M4 for applying field treatment to cut surfaces of preservative-treated lumber.

H. Where wood-preservative-treated lumber is installed adjacent to metal decking, install continuous flexible flashing separator between wood and metal decking.

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

If retaining first subparagraph below, verify that this is acceptable to authorities having jurisdiction. Fasteners covered by NES NER-272 are manufactured by member companies of the International Staple, Nail and Tool Association.

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

Retain one of two subparagraphs below, with or without subparagraph above, as required to comply with requirements of Project and local codes.

2. Table 2304.9.1, "Fastening Schedule," in ICC's International Building Code.

3. Table R602.3(1), "Fastener Schedule for Structural Members," and Table R602.3(2), "Alternate Attachments," in ICC's International Residential Code for One- and Two-Family Dwellings.

3.2 PROTECTION

Delete this article if site-applied boron treatment is specified in Division 31 Section "Termite Control."

Retain one of two paragraphs below if borate treatment of wood that has become wet is used to help prevent mold and mildew.

A. Protect wood that has been treated with inorganic boron (SBX) from weather. If, despite protection, inorganic boron-treated wood becomes wet, apply EPA-registered borate treatment. Apply borate solution by spraying to comply with EPA-registered label.

B. Protect rough carpentry from weather. If, despite protection, rough carpentry becomes sufficiently wet that moisture content exceeds that specified, apply EPA-registered borate treatment. Apply borate solution by spraying to comply with EPA-registered label.

END OF SECTION 061000