Section06105 Misc.Carpentry.doc

Solicitation No.AG-95CV-S-09-0020 Recovery – Replace or Repair/Resurface Roofs, Main Bldg

(N.Wing), WAB, & Service Bldg, WRRC, Albany, CA

SECTION 06105 – MISCELLANEOUS CARPENTRY (Section applies only to WAB (Labs) roof)

PART 1 GENERAL

1.1

RELATED DOCUMENTS

A.

General provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.

B.

“Supplemental Information – WAB (Labs) Roof” applies to this Section.

1.2

SUMMARY

A.

This Section includes the following:

1.

Wood blocking as applicable for perimeter nailers, blocking at pipes, drains and projections.

1.3

DEFINITIONS

A.

Lumber grading agencies, and the abbreviations used to reference them, include the following:

1.

WCLIB - West Coast Lumber Inspection Bureau.

2.

WWPA - Western Wood Products Association.

1.4

SUBMITTALS

A.

Product Data: For each type of process and factory-fabricated product. Indicate component materials and dimensions and include construction and application details.

1.

Include data for wood-preservative treatment from chemical treatment manufacturer and certification by treating plant that treated materials comply with requirements. Indicate type of preservative used, net amount of preservative retained, and chemical treatment manufacturer's written instructions for handling, storing, installing, and finishing treated material.

B.

Research/Evaluation Reports: For the following, showing compliance with Uniform Building Code (UBC):

1.

Preservative-treated wood.

1.5

QUALITY ASSURANCE

A.

Forest Certification: For the following wood products, provide materials produced from wood obtained from forests certified by an FSC-accredited certification body to comply with FSC 1.2, "Principles and Criteria":

1.

Miscellaneous lumber.

1.6

DELIVERY, STORAGE, AND HANDLING

A.

Stack lumber, plywood, and other panels; place spacers between each bundle to provide air circulation. Provide for air circulation around stacks and under coverings.

PART 2 PRODUCTS

2.1

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 dry lumber with 19 percent maximum moisture content.

2.2

WOOD PRESERVATIVE-TREATED MATERIALS

A.

Preservative Treatment by Pressure Process: AWPA C2 lumber, except that lumber that is not in contact with the ground and is continuously protected from liquid water may be treated according to AWPA C31 with inorganic boron (SBX).

1.

Preservative Chemicals: Acceptable to authorities having jurisdiction and one of the following:

a.

Chromated copper arsenate (CCA).

B.

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

C.

Application: Treat items to include the following:

1.

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

2.3

DIMENSION LUMBER

A.

General: Provide dimension lumber of grades indicated according to the American Lumber Standards Committee National Grading Rule provisions of the grading agency indicated.

1.

Pressure treated Douglas Fir(north); NLGA, WCLIB, or WWPA.

2.4

MISCELLANEOUS LUMBER

A.

General: Provide lumber for support or attachment of other construction, including the following:

1.

Blocking.

2.

Nailers.

B.

For items of dimension lumber size, provide Construction grade lumber with 19 percent maximum moisture content and one of the following species:

1.

Pressure treated Douglas Fir(north); NLGA, WCLIB, or WWPA.

2.5

FASTENERS

A.

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

1.

Where 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

B.

Wood Screws: ASME B18.6.1.

C.

Screws for Fastening to Cold-Formed Metal Framing: ASTM C 954, except with wafer heads and reamer wings, length as recommended by screw manufacturer for material being fastened.

D.

Bolts: Steel bolts complying with ASTM A-307 hex nuts and, where required, flat washers.

E.

Expansion Anchors: Anchor bolt and sleeve assembly of material indicated below with capability to sustain, without failure, a load equal to 6 times the load imposed when installed in unit masonry assemblies and equal to 4 times the load imposed when installed in concrete as determined by testing per ASTM E 488 conducted by a qualified independent testing and inspecting agency.

1.

Material: Stainless steel with bolts and nuts complying with ASTM F 593.

PART 3 EXECUTION

3.1

INSTALLATION, GENERAL

A.

Discard units of material with defects that impair quality of carpentry and that are too small to use with minimum number of joints or optimum joint arrangement.

B.

Set carpentry to required levels and lines, with members plumb, true to line, cut, and fitted. Fit 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.

C.

Apply field treatment complying with AWPA M4 to cut surfaces of preservative-treated lumber and plywood.

D.

Securely attach carpentry work as required and according to applicable codes and recognized standards.

E.

Countersink fastener heads on exposed carpentry work and fill holes with wood filler.

F.

Use fasteners of appropriate type and length. Pre-drill members when necessary to avoid splitting wood.

3.2

WOOD BLOCKING, AND NAILER INSTALLATION

A.

Provide to replace like kind and where required for attaching other work. Coordinate locations with other work involved.

B.

Attach items to substrates to support applied loading. Recess bolts and nuts flush with surfaces.

END OF SECTION 06105

MISCELLANEOUS CARPENTRY

06105 - 1 (Section applies only to WAB (Labs) roof)