FA3047-10-R-0012 Atch 2W-Division 6

802 CONS/LGCA-3 FA3047-10-R-0012

Lackland AFB TX Roofing IDIQ

06 10 00

Section J – Attachment 2W Page 1 of 23 8 Feb 2010

SECTION 06 10 00

ROUGH CARPENTRY

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced.

The publications are referred to within the text by the basic designation only.

AMERICAN FOREST & PAPER ASSOCIATION (AF&PA)

AF&PA T10(2001) Wood Frame Construction Manual for One- and Two-Family

Dwellings

AF&PA T101(2001) National Design Specification (NDS)for Wood Construction

AMERICAN HARDBOARD ASSOCIATION (AHA)

AHA A135.4(2004) Basic Hardboard

AMERICAN INSTITUTE OF TIMBER CONSTRUCTION (AITC)

AITC 111(2005) Recommended Practice for Protection of Structural Glued Laminated

Timber During Transit, Storage and Erection

AMERICAN LUMBER STANDARDS COMMITTEE (ALSC)

ALSC PS 20(1970) American Softwood Lumber Standard

AMERICAN WOOD PROTECTION ASSOCIATION (AWPA)

AWPA M2(2001) Standard for Inspection of Treated Wood Products

AWPA M6(1996) Brands Used on Forest Products

APA - THE ENGINEERED WOOD ASSOCIATION (APA)

APA E30(2005) Engineered Wood Construction Guide

APA E445S(2001; R 2002) Performance Standards and Qualification Policy for

Structural-Use Panels (APA PRP-108)

Section J – Attachment 2W Page 2 of 23 8 Feb 2010

APA EWS R540C(1995; R 1996) Builder Tips Proper Storage and Handling of Glulam

Beams

APA F405L(1999) Performance Rated Panels

APA PS 1(1995) Voluntary Product Standard for Construction and Industrial Plywood

APA PS 2(2004) Voluntary Product Standard for Wood-Based Structural-Use Panels

ASME INTERNATIONAL (ASME)

ASME B18.2.1(1996; Addenda A 1999; Errata 2003; R 2005) Square and Hex Bolts and

Screws (Inch Series)

ASME B18.2.2(1987; R 2005) Standard for Square and Hex Nuts

ASME B18.6.1(1981; R 2008) Wood Screws (Inch Series)

ASTM INTERNATIONAL (ASTM)

ASTM A 307(2007b) Standard Specification for Carbon Steel Bolts and Studs, 60 000

PSI Tensile Strength

ASTM A 653(2009) Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or

Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process

ASTM A 687(1993) Standard Specification for High-Strength Nonheaded Steel Bolts and

Studs

ASTM D 1435(2005) Standard Practice for Outdoor Weathering of Plastics

ASTM D 198(2008) Standard Test Methods of Static Tests of Lumber in Structural Sizes

ASTM D 2344(2000; R 2006) Standard Test Method for Short-Beam Strength of

Polymer Matrix Composite Materials and Their Laminates

ASTM D 2898(2008e1) Accelerated Weathering of Fire-Retardant-Treated Wood for

Fire Testing

ASTM D 6108(2003) Standard Test Method for Compressive Properties of Plastic

Lumber and Shapes

ASTM D 6109(2005) Standard Test Methods for Flexural Properties of Unreinforced and

Reinforced Plastic Lumber and Related Products

Section J – Attachment 2W Page 3 of 23 8 Feb 2010

ASTM D 6111(2003) Standard Test Method for Bulk Density and Specific Gravity of

Plastic Lumber and Shapes by Displacement

ASTM D 6112(1997; R 2005) Compressive and Flexural Creep and Creep-Rupture of

Plastic Lumber and Shapes

ASTM D 6117(1997; R 2005) Standard Test Methods for Mechanical Fasteners in Plastic

Lumber and Shapes

ASTM D 696(2008) Standard Test Method for Coefficient of Linear Thermal Expansion of Plastics Between -30 degrees C and 30 degrees C With a Vitreous Silica Dilatometer

ASTM F 1667(2005) Driven Fasteners: Nails, Spikes, and Staples

ASTM F 547(2006) Nails for Use with Wood and Wood-Base Materials

FM GLOBAL (FM)

FM DS 1-49(2000) Perimeter Flashing

INTERNATIONAL CODE COUNCIL (ICC)

ICC IBC(2009) International Building Code

NATIONAL HARDWOOD LUMBER ASSOCIATION (NHLA)

NHLA Rules(2003) Rules for the Measurement & Inspection of Hardwood & Cypress

NORTHEASTERN LUMBER MANUFACTURERS ASSOCIATION (NELMA)

NELMA Grading Rules(2003) Standard Grading Rules for Northeastern Lumber

REDWOOD INSPECTION SERVICE (RIS) OF THE CALIFORNIA REDWOOD

ASSOCIATION (CRA)

RIS Grade Use(1998) Redwood Lumber Grades and Uses

SOUTHERN CYPRESS MANUFACTURERS ASSOCIATION (SCMA)

SCMA Spec(1986; Supple. No. 1, Aug 1993) Standard Specifications for Grades of

Southern Cypress

SOUTHERN PINE INSPECTION BUREAU (SPIB)

SPIB 1003(2002) Standard Grading Rules for Southern Pine Lumber

Section J – Attachment 2W Page 4 of 23 8 Feb 2010

TRUSS PLATE INSTITUTE (TPI)

TPI HIB(1991) Commentary and Recommendations for Handling, Installing and Bracing

Metal Plate Connected Wood Trusses

U.S. DEPARTMENT OF COMMERCE (DOC)

DOC FED PS58(1974) Basic Hardboard

U.S. GENERAL SERVICES ADMINISTRATION (GSA)

CID A-A-1923(Rev A; Notice 1) Shield, Expansion (Lag, Machine and Externally

Threaded Wedge Bolt Anchors)

CID A-A-1924(Rev A; Notice 1) Shield, Expansion (Self Drilling Tubular Expansion

Shell Bolt Anchors

CID A-A-1925(Rev A; Notice 1) Shield Expansion (Nail Anchors)

FS FF-B-588(Rev E) Bolt, Toggle: and Expansion Sleeve, Screw

FS FF-T-1813(Basic) Tack

FS UU-B-790(Rev A) Building Paper, Vegetable Fiber: (Kraft, Waterproofed, Water

Repellent and Fire Resistant)

WEST COAST LUMBER INSPECTION BUREAU (WCLIB)

WCLIB 17(2000) Standard Grading Rules

WESTERN WOOD PRODUCTS ASSOCIATION (WWPA)

WWPA G-5(1998) Western Lumber Grading Rules

1.2 SUBMITTALS

Government approval is required for submittals with a "G" designation; submittals not having a "G" designation are for Contractor Quality Control approval. The following shall be submitted in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

SD-02 Shop Drawings

Fabricated structural members; GNailers and Nailing Strips; G

Section J – Attachment 2W Page 5 of 23 8 Feb 2010

Drawings of field erection details, including materials and methods of fastening nailers in conformance with Factory Mutual wind uplift rated systems specified in other Sections of these specifications.

SD-03 Product Data

Underlayment; G

Plastic Lumber; G

Fire-retardant treatment; G

Engineered wood products; G

Structural-use and OSB panels; G

Oriented Strand Board; G

Adhesives; G

Qualifications

List of successful installations as specified.

SD-05 Design Data

Modifications of structural members; G

Design analysis and calculations showing design criteria used to accomplish the applicable analysis.

SD-06 Test Reports

Preservative-treated lumber and plywood

SD-07 Certificates

Certificates of grade

Manufacturer's certificates (approved by an American Lumber Standards approved agency) attesting that lumber and material not normally grade marked meet the specified requirements. Certificate of Inspection for grade marked material by an American

Lumber Standards Committee (ALSC) recognized inspection agency prior to shipment.

Preservative treatment

Section J – Attachment 2W Page 6 of 23 8 Feb 2010

SD-10 Operation and Maintenance Data

Take-back program

Include contact information, summary of procedures, and the limitations and conditions applicable to the project. Indicate manufacturer's commitment to reclaim materials for recycling and/or reuse.

1.3 DELIVERY AND STORAGE

Deliver materials to the site in an undamaged condition. Store, protect, handle, and install material in accordance with manufacturer's instructions and as specified. Store materials off the ground to provide proper ventilation, with drainage to avoid standing water, and protection against ground moisture and dampness. Store materials with a moisture barrier at both the ground level and as a cover forming a well ventilated enclosure. Store wood I-beams and glue-laminated beams and joists on edge. Adhere to requirements for stacking, lifting, bracing, cutting, notching, and special fastening requirements. Laminated timber shall be handled and stored in accordance with AITC

111 or APA EWS R540C. Remove defective and damaged materials and provide new materials. Store separated reusable wood waste convenient to cutting station and area of work.

1.4 GRADING AND MARKING

1.4.1 Lumber

Mark each piece of framing and board lumber or each bundle of small pieces of lumber with the grade mark of a recognized association or independent inspection agency. Such association or agency shall be certified by the Board of Review, American Lumber

Standards Committee, to grade the species used. Surfaces that are to be exposed to view shall not bear grademarks, stamps, or any type of identifying mark. Hammer marking will be permitted on timbers when all surfaces will be exposed to view.

1.4.2 Plywood

Mark each sheet with the mark of a recognized association or independent inspection agency that maintains continuing control over the quality of the plywood. The mark shall identify the plywood by species group or span rating, exposure durability classification, grade, and compliance with APA PS 1. Surfaces that are to be exposed to view shall not bear grademarks or other types of identifying marks.

1.4.3 Structural-Use and OSB Panels

Mark each panel with the mark of a recognized association or independent inspection agency that maintains continuing control over the quality of the panel. The mark shall

Section J – Attachment 2W Page 7 of 23 8 Feb 2010 indicate end use, span rating, and exposure durability classification. Oriented Strand

Board (OSB), APA F405L.

1.4.4 Preservative-Treated Lumber and Plywood

The Contractor shall be responsible for the quality of treated wood products. Each treated piece shall be inspected in accordance with AWPA M2 and permanently marked or branded, by the producer, in accordance with AWPA M6. The Contractor shall provide Contracting Officer's Representative (COR) with the inspection report of an approved independent inspection agency that offered products comply with applicable

AWPA Standards. The appropriate Quality Mark on each piece will be accepted, in lieu of inspection reports, as evidence of compliance with applicable AWPA treatment standards.

1.4.5 Fire-Retardant Treated Lumber

Mark each piece in accordance with AWPA M6, except pieces that are to be natural or transparent finished. In addition, exterior fire-retardant lumber shall be distinguished by a permanent penetrating blue stain. Labels of a nationally recognized independent testing agency will be accepted as evidence of conformance to the fire-retardant requirements of AWPA M6.

1.4.6 Fiberboard, Gypsum Sheathing Board, Plywood, Wood Structural Panels and

Wood

Mark each sheet or bundle to identify the standard under which the material is produced and the producer.

1.4.6.1 Fiberboard

Fiberboard shall conform to ASTM C 208, Type IV, Grade 2, Structural Grade, or AHA

A194.1, Type IV, Grade 2 asphalt impregnated or asphalt coated to be water-resistant but vapor permeable.

1.4.6.2 Gypsum Sheathing Board

Glass mat gypsum sheathing shall conform to ASTM C 79 and ASTM C 1177. Gypsum board shall conform to ASTM C 79, 1/2 inch thick, 4 feet wide with straight edges for supports 16 inches on center without corner bracing of framing or for supports 24 inches on center with corner bracing of framing; 2 feet wide with V-tongue and groove edges for supports 16 or 24 inches on center with corner bracing of framing.

1.4.6.3 Plywood

Plywood shall conform to PS1, APA E445S or PS2, Grade C-D or sheathing grade with exterior glue. Sheathing for roof and walls without corner bracing of framing shall have

Section J – Attachment 2W Page 8 of 23 8 Feb 2010 a span rating of 16/0 or greater for supports 16 inches on center and a span rating of 24/0 or greater for supports 24 inches on center.

1.4.6.4 Wood Structural Panels

Panels shall meet the qualification requirements of APA E445S or PS2 for rated sheathing, Exposure 1. Sheathing for roofs or walls without corner bracing of framing shall have a span rating of 16/0 or greater for supports 16 inches on center and shall have a span rating of 24/0 or greater for supports 24 inches on center.

1.4.6.5 Wood

Species and grade shall be in accordance with TABLE I at the end of this section. Wall sheathing shall be 1 inch thick for supports 16 or 24 inches on center without corner bracing of framing, provided sheathing is applied diagonally. Roof sheathing shall be 1 inch thick for supports 16 or 24 inches on center.

1.5 SIZES AND SURFACING

ALSC PS 20 for dressed sizes of yard and structural lumber. Lumber shall be surfaced four sides. Size references, unless otherwise specified, are nominal sizes, and actual sizes shall be within manufacturing tolerances allowed by the standard under which the product is produced. Other measurements are IP or SI standard.

1.6 MOISTURE CONTENT

Air-dry or kiln-dry lumber. Kiln-dry treated lumber after treatment. Maximum moisture content of wood products shall be as follows at the time of delivery to the job site:

a. Framing lumber and boards - 19 percent maximum

b. Timbers 5 inches and thicker - 25 percent maximum

c. Roof planking - 15 percent maximum

d. Materials other than lumber - Moisture content shall be in accordance with standard under which the product is produced

1.7 PRESERVATIVE TREATMENT

Treat

a. 0.25 pcf intended for above ground use.

b. 0.40 pcf intended for ground contact and fresh water use. 0.60 pcf intended for

Ammoniacal Copper Quaternary Compound (ACQ)-treated foundations. 0.80 to 1.00 pcf

Section J – Attachment 2W Page 9 of 23 8 Feb 2010 intended for ACQ-treated pilings. All wood shall be air or kiln dried after treatment.

Specific treatments shall be verified by the report of an approved independent inspection agency, or the AWPA Quality Mark on each piece. Do not incise surfaces of lumber that will be exposed. Brush coat areas that are cut or drilled after treatment with either the same preservative used in the treatment or with a 2 percent copper naphthenate solution.

All lumber and woodwork shall be preservative treated. Plastic lumber shall not be preservative treated. The following items shall be preservative treated:

1. Exterior wood steps, platforms, and railings; and all wood framing of open, roofed structures.

2. Nailers, edge strips, crickets, curbs, and cants for roof decks.

1.8 FIRE-RETARDANT TREATMENT

Fire-retardant treated wood shall be pressure treated Treatment and performance inspection shall be by an independent and qualified testing agency that establishes performance ratings. Each piece or bundle of treated material shall bear identification of the testing agency to indicate performance in accordance with such rating. Treated materials to be exposed to rain wetting shall be subjected to an accelerated weathering technique in accordance with ASTM D 2898 prior to being tested. Such items which will not be inside a building, and such items which will be exposed to heat or high humidity, shall receive exterior fire-retardant treatment. Fire-retardant-treated wood products shall be free of halogens, sulfates, ammonium phosphate, and formaldehyde.

1.9 QUALITY ASSURANCE

1.9.1 Drawing Requirements

For fabricated structural members, trusses, qlu-lam members, indicate materials, details of construction, methods of fastening, and erection details. Include reference to design criteria used and manufacturers design calculations. Submit drawings for all proposed modifications of structural members. Do not proceed with modifications until the submittal has been approved.

1.9.2 Data Required

Submit calculations and drawings for all proposed modifications of structural members.

Do not proceed with modifications until the submittal has been approved.

1.9.3 Certificates of Grade

Submit certificates attesting that products meet the grade requirements specified in lieu of grade markings where appearance is important and grade marks will deface material.

1.9.4 Plastic Lumber Performance

Section J – Attachment 2W Page 10 of 23 8 Feb 2010

Plastic lumber intended for use in exterior applications shall have no fading or discoloration and no change in dimensional stability as tested in accordance with ASTM

D 1435 for a period of 5 years.

1.10 SUSTAINABLE DESIGN REQUIREMENTS

1.10.1 Local/Regional Materials

Use materials or products extracted, harvested, or recovered, as well as manufactured, within a 500 mile radius from the project site, if available from a minimum of three sources.

PART 2 PRODUCTS

2.1 MATERIALS

2.1.1 Engineered Wood Products

Products shall contain no added urea-formaldehyde.

2.1.2 Plastic Lumber

HDPE lumber shall contain a minimum of 75 percent recycled content, with a minimum of 25 percent post-consumer recycled content. Mixed plastics and cellulose lumber shall contain a minimum of 80 percent recycled content, with a minimum of 50 percent post-consumer recycled content. HDPE/fiberglass lumber shall contain a minimum of 95 percent recycled content with a minimum of 75 percent post-consumer recycled content.

Other mixed resin lumber shall contain a minimum of 95 percent recycled content with a minimum of 50 percent post-consumer recycled content.

2.1.2.1 Shear Parallel to Length

Maximum 1,000 psi in accordance with ASTM D 2344.

2.1.2.2 Density

ASTM D 6111.

2.1.2.3 Compressive Strength

a. Secant Modulus: Minimum 70,000 psi in accordance with ASTM D 6108.

b. Stress at 3% strain: Minimum 1,500 psi in accordance with ASTM D 6108.

Section J – Attachment 2W Page 11 of 23 8 Feb 2010

c. Compression Parallel to Grain: Minimum 3,000 psi in accordance with ASTM D

6112.

d. Compression Perpendicular to Grain: Minimum 1,000 psi in accordance with ASTM

D 6112.

2.1.2.4 Flexural Strength

Minimum 2,000 psi in accordance with ASTM D 6109.

2.1.2.5 Tensile Strength

Minimum 1,250 psi in accordance with ASTM D 198.

2.1.2.6 Coefficient of Thermal Expansion

Maximum 0.000080 in/in/degree F in accordance with ASTM D 696.

2.1.2.7 Screw Withdrawal

350 lbs in accordance with ASTM D 6117.

2.1.2.8 Nail Withdrawal

150 lbs in accordance with ASTM D 6117.

2.2 LUMBER

2.2.1 Framing Lumber

Framing lumber such as studs, plates, caps, collar beams, cant strips, bucks, sleepers, nailing strips, and nailers and board lumber such as subflooring and wall and roof sheathing shall be one of the species listed in the table below. Minimum grade of species shall be as listed.

Table of Grades for Framing and Board Lumber

Grading Rules Species Framing Board Lumber

WWPA G-5 Aspen All Species: All Species:

standard grading Douglas Fir-Larch Standard Light No. 3 Common rules Douglas Fir South Framing or No.

Engelmann Spruce 3 Structural

-Lodgepole Pine Light Framing

Engelmann Spruce (Stud Grade for

Hem-Fir 2x4 nominal size, Section J – Attachment 2W Page 12 of 23 8 Feb 2010

Idaho White Pine 10 feet and shorter)

Lodgepole Pine

Mountain Hemlock

Mountain Hemlock

-Hem-Fir

Ponderosa Pine

-Sugar Pine

Ponderosa Pine

-Lodgepole Pine

Subalpine Fir

White Woods

Western Woods

Western Cedars

Western Hemlock

WCLIB 17 Douglas Fir-Larch All Species: All Species:

standard grading Hem-Fir Standard Light Standard rules Mountain Hemlock Framing or No.

Sitka Spruce 3 Structural

Western Cedars Light Framing

Western Hemlock (Stud Grade for

2x4 nominal size, 10 feet and shorter)

SPIB 1003 Southern Pine Standard Light No. 2 Boards standard grading Framing or No.

rules 3 Structural

Light Framing

(Stud Grade for

SCMA Spec Cypress No. 2 Common No. 2 Common standard specifications

NELMA Grading Rules Balsam Fir All Species: All Species:

standard grading Eastern Hemlock Standard Light No. 3 Common rules -Tamarack Framing or No. except Stan-

Eastern Spruce 3 Structural dard for

Eastern White Light Framing Eastern White

Pine (Stud Grade for and Northern

Northern Pine 2x4 nominal size, Pine

Northern Pine 10 feet and

Cedar shorter)

Section J – Attachment 2W Page 13 of 23 8 Feb 2010

RIS Grade Use Redwood All Species: Construction standard Standard Light Heart specifications Framing or No.

3 Structural

Light Framing

(Stud Grade for

NHLA Rules Cypress No. 2 Dimension No. 2 Common rules for the measurement and inspection of hardwood and cypress lumber

2.3 PLYWOOD, STRUCTURAL-USE, AND ORIENTED STRAND BOARD (OSB)

PANELS

APA PS 1, APA PS 2, APA E445S, and APA F405L respectively.

2.3.1 Roof Sheathing

2.3.1.1 Plywood

C-D Grade, Exposure 1, with an Identification Index of not less than 24/0. Provide exterior grade particleboard with phenol resin for interior and exterior applications.

2.3.1.2 Structural-Use Panel

Sheathing grade with durability equivalent to Exposure 1, Span Rating of 24/0 or greater.

2.3.2 Diaphragms

2.3.2.1 Plywood

Structural I or Structural II, C-C or C-D grade, Exposure 1, and a minimum thickness of

5/8 inch.

2.3.2.2 Structural-Use and OSB Panels

Sheathing grade with durability equivalent to Exposure 1 and a minimum thickness of 5/8 inch.

2.4 UNDERLAYMENT

Section J – Attachment 2W Page 14 of 23 8 Feb 2010

Underlayment shall conform to one of the following:

2.4.1 Hardboard

AHA A135.4 service class, sanded one side, 1/4 inch thick, 4 feet wide.

2.4.2 Plywood

Plywood shall conform to APA PS 1, underlayment grade with exterior glue, or C-C

(Plugged) exterior grade 11/32 inch thick, 4 feet wide.

2.4.3 Oriented Strand Board

OSB underlayment grade 0.225 inch.

2.5 OTHER MATERIALS

2.5.1 Hardboard Underlayment

DOC FED PS58, service class, sanded on one side, 1/4 inch thick 4 feet wide.

2.5.2 Building Paper

FS UU-B-790, Type I, Grade D, Style 1.

2.5.3 Roof Decking

Roof decking shall be select grade with minimum design value of 1100 psi in bending.

Decking shall be 2 inches thick with single tongue and groove or 4 inches thick with double tongue and groove (to match existing); V-jointed, matched and dressed. As an option, fabricated laminated lumber decking with interlocking tongue and groove joints may be provided.

2.5.4 Miscellaneous Wood Members

2.5.4.1 Nonstress Graded Members

Members shall include blocking, bridging, corner bracing, furring, grounds, and nailing strips. Members shall be in accordance with TABLE I for the species used. Sizes shall be as follows unless otherwise shown:

Member Size (inch)

Bridging; Blocking 1 x 3 or 1 x 4 for use between members

Section J – Attachment 2W Page 15 of 23 8 Feb 2010

2 x 12 and smaller; 2 x 4 for use between members larger than 2 x 12.

Corner bracing 1 x 4.

Furring 1 x 2.

Grounds Plaster thickness by 1-1/2.

Nailing strips 1 x 3 or 1 x 4 when used as shingle base or interior finish, otherwise

2 inch stock.

2.5.4.2 Sill and Top Plates

Sill plates shall be standard or number 2 grade.

2.5.4.3 Blocking

Blocking shall be standard or number 2 grade.

2.5.4.4 Rough Bucks and Frames

Rough bucks and frames shall be straight standard or number 2 grade.

2.5.5 Adhesives

Comply with applicable regulations regarding toxic and hazardous materials and as specified.

2.6 ROUGH HARDWARE

Unless otherwise indicated or specified, rough hardware shall be of the type and size necessary for the project requirements. Sizes, types, and spacing of fastenings of manufactured building materials shall be as recommended by the product manufacturer unless otherwise indicated or specified. Fasteners may contain post-consumer or post-industrial recycled content. Rough hardware exposed to the weather or embedded in or in contact with preservative treated wood, exterior masonry, or concrete walls or slabs shall be zinc-coated. Nails and fastenings for fire-retardant treated lumber and woodwork exposed to the weather shall be copper alloy.

2.6.1 Bolts, Nuts, Studs, and Rivets

ASME B18.2.1, ASME B18.2.2, and ASTM A 687.

Section J – Attachment 2W Page 16 of 23 8 Feb 2010

2.6.2 Anchor Bolts

ASTM A 307, size as indicated, complete with nuts and washers.

2.6.3 Expansion Shields

CID A-A-1923, CID A-A-1924, and CID A-A-1925. Except as shown otherwise, maximum size of devices shall be 3/8 inch.

2.6.4 Lag Screws and Lag Bolts

ASME B18.2.1.

2.6.5 Toggle Bolts

FS FF-B-588.

2.6.6 Wood Screws

ASME B18.6.1.

2.6.7 Nails

ASTM F 547, size and type best suited for purpose. For sheathing and subflooring, length of nails shall be sufficient to extend 1 inch into supports. In general, 8-penny or larger nails shall be used for nailing through 1 inch thick lumber and for toe nailing 2 inch thick lumber; 16-penny or larger nails shall be used for nailing through 2 inch thick lumber. Nails used with treated lumber and sheathing shall be galvanized. Nailing shall be in accordance with the recommended nailing schedule contained in AF&PA T10.

Where detailed nailing requirements are not specified, nail size and spacing shall be sufficient to develop an adequate strength for the connection. The connection's strength shall be verified against the nail capacity tables in AF&PA T101. Reasonable judgment backed by experience shall ensure that the designed connection will not cause the wood to split. If a load situation exceeds a reasonable limit for nails, a specialized connector shall be used.

2.6.8 Wire Nails

ASTM F 1667.

2.6.9 Tacks

FS FF-T-1813.

2.6.10 Clip Angles

Section J – Attachment 2W Page 17 of 23 8 Feb 2010

Steel, 3/16 inch thick, size best suited for intended use; or zinc-coated steel or iron commercial clips designed for connecting wood members.

2.6.11 Tie Straps

For joists supported by the lower flange of steel beams, provide 1/8 by 1 1/2 inch steel strap, 2 feet long.

2.6.12 Metal Bridging

Where not indicated or specified otherwise, No. 16 U.S. Standard gage, cadmium-plated or zinc-coated.

2.6.13 Toothed Rings and Shear Plates

AF&PA T101.

2.6.14 Beam Anchors

Steel U-shaped strap anchors 1/4 inch thick by 1 1/2 inches wide, except as indicated otherwise.

2.6.15 Metal Framing Anchors

Construct anchors to the configuration shown using hot dip zinc-coated steel conforming to ASTM A 653, G90. Except where otherwise shown, Steel shall be not lighter than 18 gage. Special nails supplied by the manufacturer shall be used for all nailing.

2.6.16 Panel Edge Clips

Extruded aluminum or galvanized steel, H-shaped clips to prevent differential deflection of roof sheathing.

PART 3 EXECUTION

3.1 INSTALLATION

Conform to AF&PA T10 unless otherwise indicated or specified. Select lumber sizes to minimize waste. Fit framing lumber and other rough carpentry, set accurately to the required lines and levels, and secure in place in a rigid manner. Do not splice framing members between bearing points. Set joists, rafters, and purlins with their crown edge

up. Frame members for the passage of pipes, conduits, and ducts. Do not cut or bore structural members for the passage of ducts or pipes without approval. Reinforce all members damaged by such cutting or boring by means of specially formed and approved sheet metal or bar steel shapes, or remove and provide new, as approved. Provide as necessary for the proper completion of the work all framing members not indicated or

Section J – Attachment 2W Page 18 of 23 8 Feb 2010 specified. Spiking and nailing not indicated or specified otherwise shall be in accordance with the Nailing Schedule contained in ICC IBC; perform bolting in an approved manner.

Spikes, nails, and bolts shall be drawn up tight. Timber connections and fastenings shall conform to AF&PA T101. Provide 2 inch minimum clearance between chimneys and wood framing; provide 4 inch minimum clearance at fireplaces. Fill the spaces with strips of approved noncombustible material. Do not use shimming on wood or metal bearings. When joists, beams, and girders are placed on masonry or concrete, a wood base plate shall be positioned and leveled with grout. The joist, beam, or girder shall then be placed on the plate. When joists, beams, and girders are set into masonry or concrete, a pocket shall be formed into the wall. The joist, beam, or girder shall then be placed into the pocket and leveled with a steel shim.

3.1.1 Anchors

3.1.1.1 Anchors in Masonry

Except where indicated otherwise, embed anchor bolts not less than 15 inches in masonry unit walls and provide each with a nut and a 2 inch diameter washer at bottom end. Fully grout bolts with mortar.

3.1.1.2 Anchors in Concrete

Except where indicated otherwise, embed anchor bolts not less than 8 inches in poured concrete walls and provide each with a nut and a 2 inch diameter washer at bottom end.

A bent end may be substituted for the nut and washer; bend shall be not less than 90 degrees. Powder-actuated fasteners spaced 3 feet on center may be provided in lieu of bolts for single thickness plates on concrete.

3.1.2 Beams and Girders

Set beams and girders level and in alignment and anchor to bearing walls, piers, or supports with U-shaped steel strap anchors. Embed anchors in concrete or masonry at each bearing and through-bolt to the beams or girders with not less than two bolts.

Provide bolts not less than 1/2 inch in diameter and with plate washers under heads and nuts. Install beams and girders not indicated otherwise with 8 inch minimum end bearing on walls or supports. Install beams and girders into walls with 1/2 inch clearance at the top, end, and sides or standard steel wall-bearing boxes. Provide joints and splices over bearings only and bolt or spike together.

3.1.3 Roof Framing or Rafters

Tops of supports or rafters shall form a true plane. Valley, ridge, and hip members shall be of depth equal to cut on rafters where practicable, but in no case less than depth of rafters and nominally 2 inches thick. Rafters shall have full and solid bearing on plates.

Valleys, hips, and ridges shall be straight and true intersections of roof planes. Necessary crickets and watersheds shall be formed. Rafters, except hip and valley rafters, shall be

Section J – Attachment 2W Page 19 of 23 8 Feb 2010 spiked to wall plate and to ceiling joists with no less than three 8-penny nails or bolted by angles. Rafters shall be toe-nailed to ridge, valley, or hip members with at least three 8-penny nails. Rafters shall be braced to prevent movement until permanent bracing, decking or sheathing is installed. Hip and valley rafters shall be secured to wall plates by clip angles. Openings in roof shall be framed with headers and trimmers. Unless otherwise indicated, headers carrying more than two rafters and trimmers supporting headers carrying more than one rafter shall be double. Hip rafters longer than the available lumber shall be butt jointed and scabbed. Valley rafters longer than the available lumber shall be double, with pieces lapped not less than 4 feet and well spiked together.

3.1.4 Joists

Provide joists of the sizes and spacing indicated, accurately and in alignment, and of uniform width. Joists shall have full bearing on sills, plates, beams, girders, and/or trusses; provide laps over bearing only and spike. Where joists are of insufficient length to produce a 12 inch lap, butt joists over bearing and provide wood scabs 2 nominal inches thick by depth of joists by 24 inches long or metal straps 1/4 by 1 1/2 inch by not less than 18 inches long nailed to each joist with not less than four 10-penny nails, or approved sheet metal connectors installed in accordance with the manufacturer's recommendations. Provide joists built into masonry with a beveled fire cut so that the top of the joist does not enter the wall more than one inch or standard steel wall bearing boxes. Provide metal hangers for joists framing into the side of headers, beams, or girders. When a portion of the joist extends above the top flange of a steel beam or girder, provide a 3/8 inch space between the top flange and the extended portion of the joists to allow for shrinkage of joists. The minimum joist end bearing shall be 4 inches, and joists built into concrete or masonry shall have a 1/2 inch minimum clearance at the top, end, and sides. For joists approved to be bored for the passage of pipes or conduits, bore through the neutral axis of the joist. Provide steel joist hangers of proper size and type to receive the ends of all framed joists.3.1.4.1 Doubled Joists

Provide under/around stairways, and at other openings where joists are cut and framed.

Double, space for clearance, block apart 4 feet on center, rigidly frame, and spike together joists under partitions that are to receive ducts, pipes, and conduits.3.1.4.2 Joist

Anchors

Provide anchors for each fourth joist supported by a masonry wall. Build wall end of anchors into the wall. Nail anchor to the joist with three 10-penny nails spaced 2 inches o.c. Anchor the first three joists parallel to concrete or masonry walls at bridging points, but not less than 8 feet o.c. from end walls. Let anchors into the tops of each joist and spike to the top of joist with one 10-penny nail. Extend anchors at least 4 inches into the wall.

3.1.5 Bridging

Provide bridging for roof rafters having slopes of less than 1/3. Locate bridging as indicated and as specified herein. Provide bridging for spans greater than 6 feet, but do

Section J – Attachment 2W Page 20 of 23 8 Feb 2010 not exceed 8 feet maximum spacing between rows of bridging. Install rows of bridging uniformly. Provide metal or wood cross-bridging, except where solid bridging is indicated. Do not nail the bottom end of cross-bridging until the subfloor has been laid.

3.1.5.1 Wood Cross-Bridging

Provide wood cross-bridging not less than 2 by 4 nominal size. Nail wood cross-bridging at each end with three 8-penny nails for 2 by thick material.

3.1.5.2 Metal Cross-Bridging

Shall be the manufacturer's standard product, not less than 16 gage before forming and coating. Metal bridging shall be the compression type, lodged into or nailed to the wide faces of opposite joists at points diagonally across from each other near the bottoms and tops of joists.

3.1.6 Columns and Posts

Set columns and posts, plumb, in alignment, and with full and uniform bearing. Do not embed the bottom and bearing surfaces of posts or columns in concrete or set in direct contact with concrete slabs on grade. Provide post and beam construction with wood bolsters or steel post caps in such a manner that the post above will tier directly over the one below; fabricate the assembly in a rigid and substantial manner using bolts or lag screws.

3.1.7 Building Paper

Provide building paper on wood board sheathing for all types of exterior siding, or where indicated. Apply paper shingle fashion, horizontally, beginning at the bottom of the wall.

Lap edges 4 inches, and nail with one inch, zinc-coated roofing nails, spaced 12 inches o.c. and driven through tin discs.

3.1.8 Ceiling Joists

Size as indicated and set accurately and in alignment. Toe-nail joists to all plates with not less than three 10-penny nails. Frame openings in ceilings with headers and trimmers.

3.1.9 Metal Framing Anchors

Provide framing anchors at every rafter or trussed rafter to fasten rafter or trussed rafter to plates and studs against uplift movement and forces as indicated. Anchors shall be punched and formed for nailing so that nails will be stressed in shear only. Nails shall be zinc-coated; drive a nail in each nail hole provided in the anchor.

3.1.10 Trusses

Section J – Attachment 2W Page 21 of 23 8 Feb 2010

Metal plate connected wood trusses shall be handled, erected, and braced in accordance with TPI HIB and as indicated.

3.1.11 Structural Glued Laminated Timber Members

Brace members before erection. Align members and complete all connections before removal of bracing. Unwrap individually wrapped members only after adequate protection by a roof or other cover has been provided. Treat scratches and abrasions of factory applied sealer with two brush coats of the same sealer used at the factory.

3.1.12 Plywood and Structural-Use Panel Roof Sheathing

Install with the grain of the outer plies or long dimension at right angles to supports.

Stagger end joints and locate over the centerlines of supports. Allow 1/8 inch spacing at panel ends and 1/4 inch at panel edges. Nail panels with 8-penny common nails or 6-penny annular rings or screw-type nails spaced 6 inches o.c. at supported edges and 12 inches o.c. at intermediate bearings. Do not use staples in roof sheathing. Where the support spacing exceeds the maximum span for an unsupported edge, provide adequate blocking, tongue-and-groove edges, or panel edge clips, in accordance with APA E30.

3.1.13 Stair Framing

Cut carriages to exact shape required to receive treads and risers, with risers of uniform height and treads of uniform width. Provide trimmers, nailers, and blocking as required to support finish materials.

3.2 MISCELLANEOUS

3.2.1 Wood Roof Blocking, Nailers, Edge Strips, Crickets, Curbs, and Cants

Provide sizes and configurations indicated or specified and anchored securely to continuous construction.

3.2.1.1 Roof Nailing Strips

Provide roof nailing strips for roof decks as indicated. Apply nailing strips in straight parallel rows in the direction and spacing indicated. Strips shall be surface applied.

a. Surface-Applied Nailers: Shall be 3 inches wide and of thickness to finish flush with the top of the insulation. Anchor strips securely to the roof deck with powder actuated fastening devices or expansion shields and bolts, spaced not more than 24 inches on center. On decks with slopes of one inch or more, provide surface applied wood nailers for securing insulation and for nailing of roofing felts.

b. Embedded Nailers: Shall be nominal 2 by 3 with 2 inch sides beveled. Set and anchor nailers to finish flush with the roof deck surface.

Section J – Attachment 2W Page 22 of 23 8 Feb 2010

3.2.1.2 Roof Edge Strips, Nailers and blocking.

Provide at perimeter of roof, around openings through roof, and where roofs abut walls, curbs, and other vertical surfaces. Except where indicated otherwise, nailers shall be minimum 5 1/2 inches wide. Thickness of roof edge strips, nailers and blocking shall be the same thickness as the insulation. The thickness of the roof edge strips, nailers and blocking shall be the sameAnchor strips, nailers and blocking securely to underlying construction. Anchor perimeter nailers in accordance with FM DS 1-49.

3.2.1.3 Crickets, Cants, and Curbs

Provide wood saddles or crickets, cant strips, curbs for scuttles and ventilators, and wood nailers bolted to tops of concrete or masonry curbs and at expansion joints, as indicated, specified, or necessary and of lumber. Anchorage of roof edge strips, nailers and blocking shall be minimum of 1/2 inch anchor bolts 36 inches on center, unless indicated otherwise.

3.2.2 Rough Wood Bucks

Size as indicated. Set wood bucks true and plumb. Anchor bucks to concrete or masonry with steel straps extending into the wall 8 inches minimum. Place anchors near the top and bottom of the buck and space uniformly at 2 foot maximum intervals.

3.2.3 Wood Blocking

Provide proper sizes and shapes at proper locations for the installation and attachment of wood and other finish materials, fixtures, equipment, and items indicated or specified.

3.2.4 Wood Furring

Provide as necessary for facing materials specified. Except as shown otherwise, furring strips shall be nominal one by 3, continuous, and spaced 16 inches on center. Erect furring vertically or horizontally as necessary. Nail furring strips to masonry. Do not use wood plugs. Provide furring strips around openings, behind bases, and at angles and corners. Furring shall be plumb, rigid, and level and shall be shimmed as necessary to provide a true, even plane with surfaces suitable to receive the finish required. Form furring for offsets and breaks in walls or ceilings on 1 by 4 wood strips spaced 16 inches on center.

3.2.5 Wood Sleepers

Run wood sleepers in lengths as long as practicable and stagger end joints in adjacent rows.

3.2.6 Diaphragms

Section J – Attachment 2W Page 23 of 23 8 Feb 2010

Install plywood, structural-use, or OSB panels with the long dimension perpendicular to supports. End joints shall be staggered and located over the centerline of supports.

Longitudinal joints shall be continuous. Nail panels with 8-penny nails spaced not more than 6 inches on centers around the diaphragm boundaries and along continuous panel edges and 16 inches on centers at all other supported edges and 12 inches on center over intermediate bearings.

3.2.7 Shear Walls

Install plywood or structural-use panels with long dimension parallel or perpendicular to supports. Provide blocking behind edges not located over supports. Nail panels with 8-penny nails spaced not more than 12 inches on centers along panel edges and 6 inches on center over intermediate bearings.

3.2.8 Bridging

Wood bridging shall have ends accurately bevel-cut to afford firm contact and shall be nailed at each end with two nails. Metal bridging shall be installed as recommended by the manufacturer. The lower ends of bridging shall be driven up tight and secured after roof sheathing has been laid and partition framing installed.

3.3 INSTALLATION OF TIMBER CONNECTORS

Installation of timber connectors shall conform to applicable requirements of AF&PA

T101.3.4 WASTE MANAGEMENT

In accordance with the Waste Management Plan and as specified. Separate and reuse scrap sheet materials larger than 2 square feet, framing members larger than 16 inches, and multiple offcuts of any size larger than 12 inches. Clearly separate damaged wood and other scrap lumber for acceptable alternative uses on site, including bracing, blocking, cripples, ties, and shims.

Separate composite wood from other wood types and recycle or reuse. Coordinate with manufacturer for take-back program and submit manufacturer's policy statement on program. Set aside scrap and plastic lumber and return to manufacturer for recycling into new product. When such a service is not available, local recyclers shall be sought after to reclaim the materials. Fold up metal banding, flatten, and recycle.

Separate treated, stained, painted, and contaminated wood and place in designated area for hazardous materials. Dispose of according to local regulations. Do not leave any wood, shavings, sawdust, or other wood waste buried, as infill or on the ground. Prevent sawdust and wood shavings from entering the storm drainage system. Do not burn scrap lumber

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