HomeMy WebLinkAbout06 10 00 - Rough CarpentryBEARDSLEY DESIGN ASSOCIATES
CORNELL – NCP ROUGH CARPENTRY
STANDARD SPECIFICATIONS 06 10 00 PAGE 1 OF 6
NOVEMBER 2, 2012
SECTION 061000 ROUGH CARPENTRY
PART 1 GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and
Supplementary Conditions and Division01 General Re quirements Specification
Sections, apply to this Section.
1.2 SUMMARY
A. This Section includes the following:
1. Wood blocking and nailers.
2. Wood furring and grounds.
3. Plywood backboards and backing panels.
1.3 DEFINITIONS
A. Exposed Framing: Framing not concealed by other construction.
B. Dimension Lumber: Lumber of 2 inches nominal or greater but less than 5
inches nominal in least dimension.
C. Lumber grading agencies, and the abbreviations used to reference them, include
the following:
1. NELMA: Northeastern Lumber Manufacturers' Association.
2. NLGA: National Lumber Grades Authority.
3. RIS: Redwood Inspection Service.
4. SPIB: The Southern Pine Inspection Bureau.
5. WCLIB: West Coast Lumber Inspection Bureau.
6. WWPA: Western Wood Products Association.
1.4 SUBMITTALS
A. Product Data: For each type of process and factoryfabricated product. Indicate
component materials and dimensions and include construction and application
details.
1. Provide submittal product data and for woodpres ervative treatment from
chemical treatment manufacturer and certification by treating plant that
treated materials comply with requirements. Indicate type of preservative
used and net amount of preservative retained.
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CORNELL – NCP ROUGH CARPENTRY
STANDARD SPECIFICATIONS 06 10 00 PAGE 2 OF 6
NOVEMBER 2, 2012
B. 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..
1.5 QUALITY ASSURANCE
A. Source Limitations for Engineered Wood Products: Obtain each type of
engineered wood product through one source from a single manufacturer.
1.6 DELIVERY, STORAGE, AND HANDLING
A. Stack lumber flat with 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 grading agencies indicated. If no
grading agency is indicated, provide lumber that complies with the applicable
rules of any ruleswriting 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.
2. Where nominal sizes are indicated, provide actual sizes required by
DOC PS 20 for moisture content specified. Where actual sizes are indicated,
they are minimum dressed sizes for dry lumber.
3. Provide dressed lumber, S4S, unless otherwise indicated.
B. 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 WOODPRESERVATIVETREATED LUMBER
A. Preservative Treatment by Pressure Process: AWPA C2, 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).
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CORNELL – NCP ROUGH CARPENTRY
STANDARD SPECIFICATIONS 06 10 00 PAGE 3 OF 6
NOVEMBER 2, 2012
1. Preservative Chemicals: Acceptable to authorities having jurisdiction and
containing no arsenic or chromium.
B. Kilndry lumber after treatment to a maximum moi sture content of 19 percent. Do
not use material that is warped or 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.
D. Application: Treat items indicated on Drawings, and 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. Wood sills, sleepers, blocking, furring, stripping, and similar concealed
members in contact with masonry or concrete.
2.3 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. Cants.
4. Furring.
5. Grounds.
B. For items of dimension lumber size, provide Construction or No. 2 grade lumber
with 15 percent maximum moisture content of any species.
C. For exposed boards, provide lumber with 15 percent maximum moisture content
and[ any of] the following species and grades:
1. Eastern white pine, Idaho white, lodgepole, ponderosa, or sugar pine;
Standard or No. 3 Common grade; NELMA, NLGA, WCLIB, or WWPA.
2. Mixed southern pine, No. 2 grade; SPIB.
D. For blocking not used for attachment of other construction, Utility, Stud, or No. 3
grade lumber of any species may be used provided that it is cut and selected to
eliminate defects that will interfere with its attachment and purpose.
E. For blocking and nailers used for attachment of other construction, select and cut
lumber to eliminate knots and other defects that will interfere with attachment of
other work.
F. For furring strips for installing plywood or hardboard paneling, select boards with
no knots capable of producing bentover nails and d amage to paneling.
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CORNELL – NCP ROUGH CARPENTRY
STANDARD SPECIFICATIONS 06 10 00 PAGE 4 OF 6
NOVEMBER 2, 2012
2.4 PLYWOOD BACKING PANELS
A. Telephone and Electrical Equipment Backing Panels: DOC PS 1, Exterior, ACX
grade, in thickness indicated or, if not indicated, not less than 3/4inch nominal
thickness. Paint all surfaces and edges of plywood with 2 coats fire retardant
paint, Benjamin Moore, super spec, HP latex flat, fire retardant paint or approved
equal. Color light gray.
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 rough carpentry is exposed to weather, in ground contact, pressure
preservative treated, or in area of high relative humidity, provide fasteners with
hotdip zinc coating complying with ASTM A 153/A 15 3M.
2. For Plywood Backboards Panels for Telecommunications Equipment Rooms,
counter sink wood to provide recessed anchor heads. Also refer to
Architectural Partition Detail Drawing, typical.
B. Nails, Brads, and Staples: ASTM F 1667.
C. PowerDriven Fasteners: NES NER272.
D. Wood Screws: ASME B18.6.1.
E. Lag Bolts: ASME B18.2.1
F. Bolts: Steel bolts complying with ASTM A 307, Grade A; with ASTM A 563 hex
nuts and, where indicated, flat washers.
G. 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: Carbonsteel components, zinc plated to comply with
ASTM B 633, Class Fe/Zn 5.
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.
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CORNELL – NCP ROUGH CARPENTRY
STANDARD SPECIFICATIONS 06 10 00 PAGE 5 OF 6
NOVEMBER 2, 2012
B. Framing Standard: Comply with AF&PA's "Details for Conventional Wood Frame
Construction," unless otherwise indicated.
C. Provide blocking and framing as indicated and as required to support facing
materials, fixtures, specialty items, and trim.
1. Provide metal clips for fastening gypsum board or lath at corners and
intersections where framing or blocking does not provide a surface for
fastening edges of panels. Space clips not more than 16 inches o.c.
D. Provide fire blocking in furred spaces, stud spaces, and other concealed cavities.
E. Sort and select lumber so that natural characteristics will not interfere with
installation or with fastening other materials to lumber. Do not use materials with
defects that interfere with function of member or pieces that are too small to use
with minimum number of joints or optimum joint arrangement.
F. Comply with AWPA M4 for applying field treatment to cut surfaces of
preservativetreated lumber.
1. Use inorganic boron for items that are continuously protected from liquid
water.
2. Use copper naphthenate for items not continuously protected from liquid
water.
G. Securely attach rough carpentry work to substrate by anchoring and fastening as
indicated, complying with the following:
1. NES NER272 for powerdriven fasteners (NOTE: Do not use powder
activated fastening systems on campus in occupied buildings)
2. Table 2304.9.1, "Fastening Schedule," in ICC's International Building Code.
H. Use common wire nails, unless otherwise indicated. Select fasteners of size that
will not fully penetrate members where opposite side will be exposed to view or
will receive finish materials. Make tight connections between members. Install
fasteners without splitting wood; do not countersink nail heads, unless otherwise
indicated.
I. For exposed work, arrange fasteners in straight rows parallel with edges of
members, with fasteners evenly spaced, and with adjacent rows staggered.
3.2 WOOD GROUND, SLEEPER, BLOCKING, AND NAILER INSTALLATION
A. Install where indicated and where required for attaching other work. Form to
shapes indicated and cut as required for true line and level of attached work.
Coordinate locations with other work involved.
B. Attach items to substrates to support applied loading. Recess bolts and nuts
flush with surfaces, unless otherwise indicated.
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CORNELL – NCP ROUGH CARPENTRY
STANDARD SPECIFICATIONS 06 10 00 PAGE 6 OF 6
NOVEMBER 2, 2012
C. Where woodpreservativetreated lumber is instal led adjacent to metal decking,
install continuous flexible flashing separator between wood and metal decking.
D. Provide permanent grounds of dressed, pressurep reservativetreated, key
beveled lumber not less than 11/2 inches wide and of thickness required to bring
face of ground to exact thickness of finish material. Remove temporary grounds
when no longer required.
END OF SECTION 061000