061000 RghCarpentry.pdf

Renovate CLC Unit 1C

VA 580-18-122

Michael E. DeBakey VAMC – Houston, TX RFI Response

3/25/2021

06 10 00 - 1

SECTION 06 10 00

ROUGH CARPENTRY

PART 1 - GENERAL

1.1 DESCRIPTION:

A. This section specifies wood blocking, framing, sheathing, furring, nailers, sub-flooring, rough hardware, and light wood construction.

1.2 RELATED WORK:

A. Sustainable design requirements: Section 01 81 13, SUSTAINABLE

CONSTRUCTION REQUIREMENTS.

B. Gypsum sheathing: Section 09 29 00, GYPSUM BOARD.

1.3 SUBMITTALS:

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT

DATA, AND SAMPLES.

B. Sustainable Design Submittals, as described below:

1. Postconsumer and preconsumer recycled content as specified in

PART 2 - PRODUCTS.

2. Volatile organic compounds per volume as specified in

PART 2 - PRODUCTS.

3. For composite wood products, submit documentation indicating that product contains no added urea formaldehyde.

C. Shop Drawings showing framing connection details, fasteners, connections and dimensions.

D. Manufacturer’s Literature and Data:

1. Submit data for lumber, panels, hardware and adhesives.

2. Submit data for wood-preservative treatment from chemical treatment manufacturer and certification from treating plants that treated materials comply with requirements. Indicate type of preservative used and net amount of preservative retained.

3. Submit data for fire retardant treatment from chemical treatment manufacturer and certification by treating plant that treated materials comply with requirements. Include physical properties of treated materials based on testing by a qualified independent testing agency.

4. For products receiving a waterborne treatment, submit statement that moisture content of treated materials was reduced to levels specified before shipment to project site.

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E. Manufacturer’s certificate for unmarked lumber.

1.4 PRODUCT DELIVERY, STORAGE AND HANDLING:

A. Protect lumber and other products from dampness both during and after delivery at site.

B. Pile lumber in stacks in such manner as to provide air circulation around surfaces of each piece.

C. Stack plywood and other board products so as to prevent warping.

D. Locate stacks on well drained areas, supported at least 152 mm

(6 inches) above grade and cover with well-ventilated sheds having firmly constructed over hanging roof with sufficient end wall to protect lumber from driving rain.

1.5 QUALITY ASSURANCE:

A. Installer: A firm with a minimum of three (3) years’ experience in the type of work required by this section.

1.6 GRADING AND MARKINGS:

A. Any unmarked lumber or plywood panel for its grade and species shall not be allowed on VA Construction sites for lumber and material not normally grade marked, provide manufacturer’s certificates (approved by an American Lumber Standards approved agency) attesting that lumber and material meet the specified the specified requirements.

1.7 APPLICABLE PUBLICATIONS:

A. Publications listed below form a part of this specification to extent referenced. Publications are referenced in the text by basic designation only.

B. American Forest and Paper Association (AFPA):

NDS-15..................National Design Specification for Wood

Construction

WCD1-01.................Details for Conventional Wood Frame

Construction

C. American Institute of Timber Construction (AITC):

A190.1-07...............Structural Glued Laminated Timber

D. American Society of Mechanical Engineers (ASME):

B18.2.1-12(R2013).......Square and Hex Bolts and Screws

B18.2.2-10..............Square and Hex Nuts

B18.6.1-81(R2008).......Wood Screws

E. American Plywood Association (APA):

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E30-11..................Engineered Wood Construction Guide

F. ASTM International (ASTM):

A653/A653M-13...........Steel Sheet Zinc-Coated (Galvanized) or Zinc-

Iron Alloy Coated (Galvannealed) by the Hot Dip

Process

C954-11.................Steel Drill Screws for the Application of

Gypsum Board or Metal Plaster Bases to Steel

Studs from 0.033 inch (2.24 mm) to 0.112-inch

(2.84 mm) in thickness

C1002-14................Steel Self-Piercing Tapping Screws for the

Application of Gypsum Panel Products or Metal

Plaster Bases to Wood Studs or Metal Studs

D198-14.................Test Methods of Static Tests of Lumber in

Structural Sizes

D2344/D2344M-13.........Test Method for Short-Beam Strength of Polymer

Matrix Composite Materials and Their Laminates

D2559-12a...............Adhesives for Structural Laminated Wood

Products for Use Under Exterior (Wet Use)

Exposure Conditions

D3498-03(R2011).........Adhesives for Field-Gluing Plywood to Lumber

Framing for Floor Systems

D6108-13................Test Method for Compressive Properties of

Plastic Lumber and Shapes

D6109-13................Test Methods for Flexural Properties of

Unreinforced and Reinforced Plastic Lumber and

Related Products

D6111-13a...............Test Method for Bulk Density and Specific

Gravity of Plastic Lumber and Shapes by

Displacement

D6112-13................Test Methods for Compressive and Flexural Creep and Creep-Rupture of Plastic Lumber and Shapes

F844-07a(R2013).........Washers, Steel, Plan (Flat) Unhardened for

General Use

F1667-13................Nails, Spikes, and Staples

G. American Wood Protection Association (AWPA):

AWPA Book of Standards

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H. Commercial Item Description (CID):

A-A-55615...............Shield, Expansion (Wood Screw and Lag Bolt Self

Threading Anchors)

I. Forest Stewardship Council (FSC):

FSC-STD-01-001(Ver. 4-0)FSC Principles and Criteria for Forest

Stewardship

J. Military Specification (Mil. Spec.):

MIL-L-19140E............Lumber and Plywood, Fire-Retardant Treated

K. Environmental Protection Agency (EPA):

40 CFR 59(2014).........National Volatile Organic Compound Emission

Standards for Consumer and Commercial Products

L. Truss Plate Institute (TPI):

TPI-85..................Metal Plate Connected Wood Trusses

M. U.S. Department of Commerce Product Standard (PS)

PS 1-95.................Construction and Industrial Plywood

PS 20-10................American Softwood Lumber Standard

N. ICC Evaluation Service (ICC ES):

AC09....................Quality Control of Wood Shakes and Shingles

AC174...................Deck Board Span Ratings and Guardrail Systems

(Guards and Handrails)

PART 2 - PRODUCTS

2.1 LUMBER:

A. Unless otherwise specified, each piece of lumber must bear grade mark, stamp, or other identifying marks indicating grades of material, and rules or standards under which produced.

1. Identifying marks shall be in accordance with rule or standard under which material is produced, including requirements for qualifications and authority of the inspection organization, usage of authorized identification, and information included in the identification.

2. Inspection agency for lumber approved by the Board of Review, American Lumber Standards Committee, to grade species used.

B. Structural Members: Species and grade as listed in the AFPA NDS having design stresses as shown.

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C. Lumber Other Than Structural:

1. Unless otherwise specified, species graded under the grading rules of an inspection agency approved by Board of Review, American Lumber

Standards Committee.

2. Framing lumber: Minimum extreme fiber stress in bending of 7584 kPa

(1100 PSI).

3. Furring, blocking, nailers and similar items 101 mm (4 inches) and narrower Standard Grade; and, members 152 mm (6 inches) and wider, Number 2 Grade.

4. Board Sub-flooring: Shiplap edge, 25 mm (1 inch) thick, not less than 203 mm (8 inches) wide.

D. Sizes:

1. Conforming to PS 20.

2. Size references are nominal sizes, unless otherwise specified, actual sizes within manufacturing tolerances allowed by standard under which produced.

E. Moisture Content:

1. Maximum moisture content of wood products is to be as follows at the time of delivery to site.

a. Boards and lumber 50 mm (2 inches) and less in thickness: 19 percent or less.

b. Lumber over 50 mm (2 inches) thick: 25 percent or less.

F. Fire Retardant Treatment:

1. Comply with Mil Spec. MIL-L-19140.

2. Treatment and performance inspection, by an independent and qualified testing agency that establishes performance ratings.

G. Preservative Treatment:

1. Do not treat Heart Redwood and Western Red Cedar.

2. Treat wood members and plywood exposed to weather or in contact with plaster, masonry or concrete, including framing of open roofed structures; sills, sole plates, furring, and sleepers that are less than 610 mm (24 inches) from ground; nailers, edge strips, blocking, crickets, curbs, cant, vent strips and other members provided in connection with roofing and flashing materials.

3. Treat other members specified as preservative treated (PT).

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4. Preservative treat by the pressure method complying with AWPA Book use category system standards U1 and T1, except any process involving the use of Chromated Copper Arsenate (CCA) or other agents classified as carcinogenic for pressure treating wood is not permitted.

2.2 PLYWOOD:

A. Comply with PS 1.

B. Bear the mark of a recognized association or independent inspection agency that maintains continuing control over quality of plywood which identifies compliance by veneer grade, group number, span rating where applicable, and glue type.

C. Underlayment:

1. APA rated Exposure 1 or Exterior, panel grade C-C Plugged.

2. Minimum 6 mm (1/4 inch) thick or greater over plywood subflooring unless otherwise shown.

2.3 ROUGH HARDWARE AND ADHESIVES:

A. Anchor Bolts:

1. ASME B18.2.1 and ASME B18.2.2 galvanized, 13 mm (1/2 inch) unless shown otherwise.

2. Extend at least 203 mm (8 inches) into masonry or concrete with ends bent 50 mm (2 inches).

B. Miscellaneous Bolts: Expansion Bolts: C1D A-A-55615; lag bolt, long enough to extend at least 65 mm (2-1/2 inches) into masonry or concrete. Provide 13 mm (1/2 inch) bolt unless shown otherwise.

C. Washers:

1. ASTM F844.

2. Provide zinc or cadmium coated steel or cast iron for washers exposed to weather.

D. Screws:

1. Wood to Wood: ASME B18.6.1 or ASTM C1002.

2. Wood to Steel: ASTM C954, or ASTM C1002.

E. Nails:

1. Size and type best suited for purpose unless noted otherwise.

Provide aluminum-alloy nails, plated nails, or zinc-coated nails, for nailing wood work exposed to weather and on roof blocking.

2. ASTM F1667:

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a. Common: Type I, Style 10.

b. Concrete: Type I, Style 11.

c. Barbed: Type I, Style 26.

d. Underlayment: Type I, Style 25.

e. Masonry: Type I, Style 27.

f. Provide special nails designed for use with ties, strap anchors, framing connectors, joists hangers, and similar items. Nails not less than 32 mm (1-1/4 inches) long, 8d and deformed or annular ring shank.

F. Framing and Timber Connectors:

1. Fabricate of ASTM A653/A653M, Grade A; steel sheet not less than

1.3 mm (0.052 inch) thick unless specified otherwise. Apply standard plating to steel timber connectors after punching, forming and assembly of parts.

2. Framing Angles: Angle designed with bendable legs to provide three (3) way anchors.

3. Straps:

a. Designed to provide wind and seismic ties with sizes as shown or specified.

b. Strap ties not less than 32 mm (1-1/4 inches) wide.

c. Punched for fastener.

G. Adhesives:

1. For field-gluing plywood to lumber framing floor or roof systems:

ASTM D3498.

2. For structural laminated Wood: ASTM D2559.

3. Adhesives to have a VOC content of 70 g/L or less when calculated according to 40 CFR 59, (EPA Method 24).

PART 3 - EXECUTION

3.1 INSTALLATION OF FRAMING AND MISCELLANEOUS WOOD MEMBERS:

A. Conform to applicable requirements of the following:

1. AFPA WCD1 for nailing and framing unless specified otherwise.

2. APA for installation of plywood or structural use panels.

B. Fasteners:

1. Nails.

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a. Nail in accordance with the Recommended Nailing Schedule as specified in AFPA WCD1 where detailed nailing requirements are not specified in nailing schedule. Select nail size and nail spacing sufficient to develop adequate strength for the connection without splitting the members.

b. Use special nails with framing connectors.

c. For sheathing and subflooring, select length of nails sufficient to extend 25 mm (1 inch) into supports.

d. Use 8d or larger nails for nailing through 25 mm (1 inch) thick lumber and for toe nailing 50 mm (2 inch) thick lumber.

e. Use 16d or larger nails for nailing through 50 mm (2 inch) thick lumber.

f. Select the size and number of nails in accordance with the

Nailing Schedule except for special nails with framing anchors.

g. Nailing Schedule; Using Common Nails:

1) Ledger strip to beam or girder three (3) 16d nails under each joint.

2. Bolts:

a. Fit bolt heads and nuts bearing on wood with washers.

b. Countersink bolt heads flush with the surface of nailers.

c. Embed in concrete and solid masonry or provide expansion bolts.

Special bolts or screws designed for anchor to solid masonry or concrete in drilled holes shall be used.

d. Provide toggle bolts to hollow masonry or sheet metal.

e. Provide bolts to steel over 2.84 mm (0.112 inch, 11 gage) in thickness. Secure wood nailers to vertical structural steel members with bolts, placed one at ends of nailer and 610 mm

(24 inch) intervals between end bolts. Provide clips to beam flanges.

3. Drill Screws to steel less than 2.84 mm (0.112 inch) thick.

a. ASTM C1002 for steel less than 0.84 mm (0.033 inch) thick.

b. ASTM C954 for steel over 0.84 mm (0.033 inch) thick.

4. Power actuated drive pins may be provided where practical to anchor to solid masonry, concrete, or steel.

5. Do not anchor to wood plugs or nailing blocks in masonry or concrete. Provide metal plugs, inserts or similar fastening.

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6. Screws to Join Wood:

a. Where shown or option to nails.

b. ASTM C1002, sized to provide not less than 25 mm (1 inch) penetration into anchorage member.

c. Spaced same as nails.

7. Installation of Timber Connectors:

a. Conform to applicable requirements of the AFPA NDS.

b. Fit wood to connectors and drill holes for fasteners so wood is not split.

B. Cut notch, or bore in accordance with AFPA WCD1 passage of ducts wires, bolts, pipes, conduits and to accommodate other work. Repair or replace miscut, misfit or damaged work.

C. Blocking Nailers, and Furring:

1. Install furring, blocking, nailers, and grounds where shown.

2. Provide longest lengths practicable.

3. Provide fire retardant treated wood blocking where shown at openings and where shown or specified.

4. Layers of Blocking or Plates:

a. Stagger end joints between upper and lower pieces.

b. Nail at ends and not over 610 mm (24 inches) between ends.

c. Stagger nails from side to side of wood member over 127 mm

(5 inches) in width.

D. Floor and Ceiling Framing:

1. Set with crown edge up.

2. Bear on not less than 101 mm (4 inches) on concrete and masonry, and 38 mm (1-1/2 inches) on wood and metal unless shown otherwise.

3. Frame openings with headers and trimmer joist. Double headers carrying more than two tail joists and trimmer joists supporting headers carrying more than one tail joist unless otherwise indicated in contract documents.

4. Hook ties at steel framing over top flange of steel members.

5. Where ceramic tile finish floors are set in Portland cement mortar, nail continuous 50 mm by 75 mm (2 inches by 3 inches) ledgers to sides of joists to support subflooring flush with top of joist.

E. Partition and Wall Framing:

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1. Provide 50 mm by 101 mm (2 inch by 4 inch) studs spaced 406 mm

(16 inches) on centers; unless otherwise indicated on contract documents.

2. Install double studs at openings and triple studs at corners.

3. Install intermediate cut studs over headers and under sills to maintain uniformity of stud spacing.

4. Provide single sill plates at bottom of opening unless otherwise indicated in contract documents. Toe nail to end stud, face nail to intermediate studs.

5. Install 50 mm (2 inch) blocking for firestopping so that maximum dimension of any concealed space is not over 2438 mm (8 feet) in accordance with AFPA WCD1.

6. Install corner bracing when plywood or structured use panel sheathing is not used.

a. Let corner bracing into exterior surfaces of studs at an angle of approximately 45 degrees, extended completely over walls plates, and secured at bearing with two (2) nails.

b. Provide 25 mm by 101 mm (1 inch by 4 inch) corner bracing.

F. Underlayment:

1. Where finish flooring of different thickness is used in adjoining areas, provide underlayment of thickness required to bring finish-flooring surfaces into same plane.

2. Apply to dry, level, securely nailed, clean, wood subfloor without any projections.

3. Plywood and particle underlayment shall be glue-nailed to subfloor.

4. Butt underlayment panels to a light contact with a 1 mm (1/32 inch) space between plywood or hardboard underlayment panels and walls, and approximately 9 mm (3/8 inch) between particleboard underlayment panels and walls.

5. Stagger underlayment panel end joints with respect to each other and offset joints with respect to joints in the subfloor at least 50 mm

(2 inches).

6. After installation, avoid traffic on underlayment and damage to the finish surface.

N. Sheathing:

1. Provide plywood or structural-use panels for sheathing.

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2. Lay panels with joints staggered, with edge and ends 3 mm (1/8 inch) apart and nailed over bearings as specified.

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3. Set nails not less than 9 mm (3/8 inch) from edges.

4. Install 50 mm by 101 mm (2 inch by 4 inch) blocking spiked between joists, rafters and studs to support edge or end joints of panels.

5. Match and align sheathing which is an extension of work in place to existing.

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