MPS Master
SECTION 06 10 00
ROUGH CARPENTRY
PART 1 - GENERAL
1.01
A.
SUMMARY
Section Includes:
1.
General: Provide permanent wood members not exposed to view at completion of Project,
unless specified elsewhere, to include, but not be limited to, dimension lumber, timber,
plywood, and plywood sheathing for:
a.
b.
c.
d.
e.
f.
g.
h.
2.
Wood Roof Members:
a.
b.
c.
3.
Wood members specified and/or noted on Drawings to be fire retardant treated.
Provide fire retardant treated interior grade plywood as exposed interior wall surfacing for
mounting equipment where noted.
Rough Hardware:
a.
b.
6.
Wood members specified and/or noted on Drawings to be preservative treated.
Wood members not exposed to view that are in contact with masonry or concrete, except
wood members related to a roofing membrane system.
Fire Retardant Treated Wood: Provide for interior concealed wood members as follows:
a.
b.
5.
Provide wood members related to installation of roofing membrane system, as indicated
on Drawings.
Coordinate wood roof members with requirements of Roofing System Contractor.
Wood members related to roofing system shall not be preservative treated. Install
polyfoam or sill sealer as a separator between wood members which are in direct contact
with concrete or masonry material.
Preservative Treated Wood: Provide at but not limited to the following locations:
a.
b.
4.
Wood Roof Members
Blocking and Nailers
Roof Equipment Bases and Supports
Grounds and Sleepers
Furring
Framing
Sheathing
Wood Members Noted or Required for Anchorage of Building Components
Provide rough hardware, including nails, screws, bolts, and other appropriate
fasteners/anchors, required to secure in place rough wood members provided under this
Section.
Where anchorage hardware is not indicated to be provided elsewhere, provide rough
hardware as required to secure in place products being provided as part of this Project.
Roof Expansion Joints: Provide plastic air stop at top of roof expansion joint framing and fill
void between roof expansion joint members and between roof expansion joint member and
wall construction as noted on Drawings and specified.
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MPS Master
SECTION 06 10 00
B.
Related Sections:
1.
2.
1.02
Section 06 20 00: Finish Carpentry.
Section 07 60 00: Flashing and Sheet Metal.
REFERENCES
A.
American Lumber Standards Committee (ALSC):
1.
B.
American Plywood Association (APA):
1.
C.
ALSC, Softwood Lumber Standard
APA, Grades and Standards
American Wood Preservers' Association (AWPA):
1.
2.
3.
C-2, “Lumber, Timber, Bridge Ties and Mine Ties - Preservative Treatment by Pressure
Processes”
C-9, “Plywood - Preservative Treatment by Pressure Processes”
C-31, “Lumber Used out of Contact with Ground and Continuously Protected from Liquid
Water - Preservative Treatment by Pressure Processes”
D.
American Society for Testing and Materials (ASTM)
E.
U. S. Department of Commerce (DOC)
F.
Federal Specification (FS):
1.
G.
National Fire Protection Association (NFPA):
1.
H.
FS TT-W-571, Wood Preservation, Treating Practices
NFPA 255, Standard Method of Test of Surface Burning Characteristics of Building Materials
Northeastern Lumber Manufacturers’ Association (NeLMA)
I.
National Lumber Grading Authority (NLGA)
J.
The Southern Pine Inspection Bureau (SPIB)
K.
Underwriters Laboratories, Inc. (UL):
1.
L.
West Coast Lumber Inspection Bureau (WCLIB)
1.
M.
1.03
UL 723, Test for Surface Burning Characteristics of Building Materials
WCLIB, Standard Grading Rules for West Coast Lumber
Western Wood Products Association (WWPA)
DEFINITIONS
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MPS Master
SECTION 06 10 00
A.
Dimension Lumber: Lumber of 2 inches nominal or greater, but less than 5 inches nominal in
least dimension.
B.
Timber: Lumber of 5 inches nominal or greater in least dimension.
1.04
A.
SUBMITTALS
Product Data: Provide in accordance with requirements of Section 01 33 00.
1.
1.05
Provide technical data on fire retardant treatment and wood preservative materials and
application instructions.
QUALITY ASSURANCE
A.
Lumber Grading Agency: Certified by ALSC.
B.
Plywood Grading Agency: Certified by APA.
C.
Grade Marks:
1.06
A.
B.
1.
Identify lumber and plywood by official grade mark.
2.
Lumber grade mark shall contain symbol of grading agency, mill number or name, grade of
lumber, species or species grouping or combination designation, rules under which graded
and condition of seasoning at time of manufacture.
3.
Plywood grade mark shall be that of APA and shall include plywood type, veneer grades,
product standard governing manufacture, mill number, glue type, and identification index.
DELIVERY, STORAGE, AND HANDLING
Delivery:
1.
Promptly upon delivery to site, place materials in an area protected from weather.
2.
Protect sheet materials from breaking corners and damaging surfaces while loading and
unloading.
Storage and Protection:
1.
General: Store materials a minimum of 6 inches above ground on framework or blocking and
cover with protective waterproof covering, providing for adequate air circulation and ventilation.
2.
Storing Seasoned Materials: Do not store seasoned materials in wet or damp locations.
3.
Storage of Fire Retardant Treated Materials: Protect fire retardant treated materials against
high humidity and moisture during storage and installation.
4.
Storage of Preservative Treated Wood Members: Do not allow preservative treated wood
lumber to get wet in storage. Protect wood related to roof membrane and metal flashings from
elements until permanent roofing or sheet metal is installed.
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MPS Master
SECTION 06 10 00
PART 2 - PRODUCTS
2.01
A.
WOOD MATERIALS
General:
1.
Lumber Grading Rules:
a.
DOC PS 20 and applicable rules of grading agencies indicated.
b.
If no grading agency is indicated, provide lumber that meets applicable rules of any
rules-writing agency certified by the ALSC Board of Review.
c.
Provide lumber graded by an agency certified by the ALSC Board of Review to inspect
and grade lumber under rules indicated.
d.
Factory mark each piece of lumber with grade stamp of grading agency.
2.
Plywood Grading Rules: APA.
3.
Provide dressed lumber, S4S.
B.
Lumber Dimensions: Dimensions specified or indicated on Drawings are nominal. Actual lumber
dimensions comply with requirements of industry standards established by the American Lumber
Standards Committee and rules writing agencies.
C.
Softwood Lumber and Timber:
1.
General: Any commercial softwood species, unless otherwise indicated.
2.
Softwood Lumber Grading Rules: SFPA or WWPA.
3.
Softwood Lumber Grade:
a.
b.
c.
4.
D.
Boards: No. 2 and Better.
2 by 2 through 4 by 4: Stud or Standard and Better.
2 by 5 and 4 by 5 and wider: No. 2 Grade.
Pressure Treated Softwood Lumber: Any commercial softwood species allowable under
AWPA Quality Mark requirements.
Plywood:
1.
General: Any commercial softwood species, unless otherwise indicated.
2.
Exterior Grade: APA Grade C-D Plugged, Exposure 1, Exterior Glue, sanded.
3.
Interior Grade: APA Grade C-D INT-APA-Exterior Glue (CDX).
4.
Pressure Treated Softwood Plywood: Any commercial softwood species allowable under
AWPA Quality Mark requirements.
a.
Fire Retardant Treated Plywood: A-C INT-APA-Exterior Glue, softwood treated with fire
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MPS Master
SECTION 06 10 00
retardant chemicals to provide flame spread and fuel contributed rating of 25 or less in
accordance with UL testing.
E.
2.02
A.
Plywood Sheathing:
1.
General: Any commercial softwood species, unless otherwise indicated.
2.
Grade: APA Grade C-D INT-APA-Exterior Glue (CDX).
3.
Provide with tongue and groove edges.
PRESERVATIVE TREATED WOOD MATERIALS
Preservative:
1.
Contractor has the option to use one of the following with approved corrosion coated
fasteners:
a.
b.
c.
2.
Alkaline Copper Quaternary (ACQ)
Copper azole, Type A (CBA-A)
Sodium Borate (SBX)
Acceptable Manufacturers: Subject to compliance with requirements of the Contract
Documents, acceptable manufacturers are as follows or Owner approved equal:
a.
b.
c.
d.
Arch Wood Protection, ‘Wolman’
Chemical Specialties, Inc.
Copper Care Wood Preservatives, Inc.
Osmose, K
B.
Retention: Retention of the preservative shall be no less than 0.40 pounds per cubic foot or
greater.
C.
Moisture Content After Treatment: Material shall be dried after treatment to a moisture content of
19 percent or less.
D.
Applicable Standard:
1.
2.
3.
E.
C-2, “Lumber, Timber, Bridge Ties and Mine Ties - Preservative Treatment by Pressure
Processes”
C-9, “Plywood - Preservative Treatment by Pressure Processes”
C-31, “Lumber Used out of Contact with Ground and Continuously Protected from Liquid
Water - Preservative Treatment by Pressure Processes”
General Requirements:
1.
Moisture Content After Treatment: Kiln- or air-dried to a maximum moisture content of:
a.
b.
2.03
Lumber: 19 Percent
Plywood: 15 Percent
FIRE-RETARDANT TREATED WOOD MATERIALS
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MPS Master
SECTION 06 10 00
A.
Acceptable Manufacturers: Subject to compliance with requirements of the Contract Documents,
acceptable manufacturers shall be as follows or Owner approved equal:
1.
Hickson Corporation, Dricon FRT; as defined in this Section, is standard of quality required.
2.
Equivalent Products of the Following Manufacturers Are Acceptable:
a.
b.
B.
General Requirements:
1.
Flame Spread Classification: ASTM E84, NFPA 255, OR UL 723, Class 1 (25 or less).
2.
Moisture Content After Treatment: Kiln- or air-dried to a maximum moisture content of:
a.
b.
2.04
A.
Lumber: 19 Percent
Plywood: 15 Percent
3.
AWPA Standard C20 for lumber and C27 for plywood.
4.
Corrosive Properties: Carbon steel, galvanized steel, aluminum, copper and red brass shall
exhibit corrosion rates less than 1 mil per year when tested in accordance with Military
Specification MIL-L-19140, Paragraph 4.6.5.2.
5.
Fire-retarding chemicals shall be free of halogens, sulfates, and ammonium phosphates.
6.
Fire-retarding chemicals shall provide protection against termites and fungal decay and shall
be registered for use as a wood preservative by the U. S. Environmental Protection Agency.
7.
Testing on fire performance, strength and corrosive properties of the fire retardant treated
wood shall be recognized by issuance of a National Evaluation Services Report.
ACCESSORY MATERIALS
Fasteners:
1.
2.
B.
Hoover Treated Wood Products, Inc., Pyro-Guard
Osmose Wood Preserving, Inc., Flame Proof LHC
Finish For Fasteners:
a.
Exterior and High Humidity Conditions: Hot-dip galvanized steel or stainless steel.
b.
For Use With Preservative Treated Wood: Stainless steel only.
c.
Interior: Hot-dip galvanized steel, Type 304 or 316 stainless steel, or cadmium plated
(bright steel).
Size and Type: To suit conditions.
Anchors: Toggle bolt type for anchorage to hollow masonry. Expansion shield and lag bolt type
for anchorage to solid masonry and concrete. Bolts or ballistic fasteners for anchorage to steel.
1.
Use Type 304 or 316 stainless steel fasteners only for anchoring preservative treated wood.
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MPS Master
SECTION 06 10 00
C.
Plastic Air Stop: PVC flexible sheet, 20 mils thick.
1.
Acceptable Manufacturers: Subject to compliance with requirements of the Contract
Documents, acceptable manufacturers are as follows or Owner approved equal:
a.
b.
c.
d.
D.
B.F. Goodrich Company, “BFG Vinyl Water Barrier”
Rubber and Plastics Compound Co., “Nervastral Seal-Pruf HD”
BASF Building Systems, “Hydrocide-Vinylseal”
York Manufacturing, Inc., “Wascoseal Type 20”
Compressible Low-Density Fiberglass Insulation: Glass fiber batt insulation.
1.
Acceptable Manufacturers: Subject to compliance with requirements of the Contract
Documents, acceptable manufacturers are as follows or Owner approved equal:
a.
Owens-Corning Fiberglas Corporation, Toledo, OH
2.
Description: A flexible thermal insulation composed of glass mineral fibers, processed from a
molten state into fibrous form with minimum binder added.
3.
Applicable Standards: ASTM C665, Type 1.
4.
Physical Requirements:
5.
a.
Type: Unfaced.
b.
Fire Hazard Classification: UL rating Type 1 with a flame spread, smoke density, and fuel
contribution of 25 or less.
Thicknesses and Sizes: As indicated on Drawings.
E.
Building Paper: Asphalt-saturated organic felt, 30 pound, unperforated, in accordance with
ASTM D226.
F.
Polyfoam: Expanded polyethylene foam sheet, “Ethafoam” by Dow Chemical Company, or Owner
approved equal of thickness and width indicated on Drawings or as required by the Work.
G.
Sill Sealer:
1.
Acceptable Manufacturers: Subject to compliance with requirements of the Contract
Documents, acceptable manufacturers are as follows or Owner approved equal:
a.
2.
DiversiFoam Products, Rockford, MN, “R-Tite Sill Plate Gasket”
Description: Polystyrene foam gasket material. 1/4 inch thickness by width as required to
accommodate installation conditions, by 100-foot roll.
PART 3 - EXECUTION
3.01
A.
EXAMINATION
General Requirements:
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MPS Master
SECTION 06 10 00
3.02
A.
3.03
A.
B.
3.04
A.
1.
2.
Examine areas and conditions under which work of this Section shall be performed.
Examine the Contract Drawings and Specifications to properly anticipate concealed wood
members which will be required to support or serve as blocking for anchorage of building
components, equipment, and furnishings.
3.
Do not proceed until unsatisfactory conditions are corrected.
PREPARATION
Project Site Applied Wood Preservative:
1.
Project site apply wood preservative treatment products in accordance with product
manufacturer’s instructions.
2.
Treat surfaces of Project site sawn cuts and drilled holes with (2) coats of preservative.
3.
Allow applied preservative to cure before installing treated members.
WORKMANSHIP
Joining and Assembling Members:
1.
Produce joints which are tight, true, and well anchored, with members assembled in
accordance with the Drawings.
2.
Wood members shall be accurately constructed; square and true, to required levels and lines,
and adequately fastened and anchored to produce a sturdy, rigid assembly of sufficient
strength to support loads imposed.
Selection of Lumber Members:
1.
Carefully select members.
2.
Select individual pieces so that knots and obvious defects will not interfere with placing bolts or
proper nailing, and will allow for proper connections.
3.
Cut out and discard defects which render a piece unable to serve its intended function.
4.
Lumber may be rejected by Architect, whether or not it has been installed, for excessive warp,
twist, bow, crook, mildew, fungus or mold, as well as for improper cutting and fitting.
FASTENING
Nailing:
1.
Use common wire nails or spikes, of adequate size and length to adequately anchor or secure
wood members to one another.
2.
Provide nails which penetrate into the wood member receiving the point of no less than 1/2 the
length of the nail or spike, except 16d nails shall be used to connect (2) pieces of 2-inch
(nominal) thickness lumber.
3.
Nail without splitting wood.
06 10 00 - 8
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MPS Master
SECTION 06 10 00
B.
C.
4.
Pre-bore as required.
5.
Remove split members and replace with members meeting specified requirements.
Bolting:
1.
Drill holes 1/16 inch larger in diameter than bolts being used.
2.
Drill straight and true from (1) side only.
3.
Do not bear bolt threads on wood.
4.
Use washers under bolt head and nut where they bear on wood.
Screws:
1.
3.05
A.
B.
C.
For lag screws and wood screws, pre-bore holes same diameter as root of threads, enlarging
holes to shank diameter for length of shank.
INSTALLATION
General Requirements:
1.
Install polyfoam or sill sealer as a separator between wood and adjacent concrete or masonry
materials.
2.
Install wood members square, level, and plumb, unless otherwise indicated, using type and
quantity of fasteners appropriate for conditions.
Installation of Mechanical Equipment Roof Curbs and Rails:
1.
Install roof curbs which support rooftop installed equipment, including prefabricated curbs
furnished by Mechanical Contractor.
2.
Provide mechanical equipment roof curbs which are not prefabricated curbs furnished by
Mechanical Contractor.
3.
Install top surface of roof curbs to be level and at same elevation on all sides. When roof
structure slopes, provide continuous tapered wood members under curb construction,
including prefabricated curbs, to uniformly distribute load of equipment installed on curb down
to roof structure.
4.
Provide mechanical equipment roof rail system for support of roof mounted mechanical
equipment as noted on Drawings.
5.
Install mechanical rails parallel to one another; top surface of rails shall be level and at same
elevation at all points between both adjacent parallel rails. Compensate for sloping roof
structure. Height noted on Drawings is minimum height above roof surface.
6.
Verify and coordinate with Mechanical Contractor, the size and location of curbs and rails.
Installation of Roof Expansion Joints:
06 10 00 - 9
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MPS Master
SECTION 06 10 00
D.
E.
F.
1.
Install compressible insulation to extend full depth of curb and run continuous for a complete
weatherstop capable of expansion and contraction without placing undue pressure on curb.
2.
Width of insulation batt to be twice the height of expansion curb so batt can be folded over to
fill void and be compressed by 50 percent.
3.
Secure half of insulation blanket to inside face of curb using nails or staples before folding
insulation over and installing curb at opposite side of expansion joint.
4.
Install plastic air stop at top of curb.
Installation of Roof Wood Blocking:
1.
Anchor blocking required to support cants to metal decking or framing as detailed with 1/2-inch
bolts set a maximum of 4 feet on center.
2.
Where blocking is more than 6 inches wide, anchor with 1/2-inch bolts set at 2'-6" on center
and stagger alignments.
3.
Where blocking is required on roof deck, build-up, shim, or cut as required to set top of
blocking flush with top of adjacent insulation.
4.
Nail wood cants to adjacent blocking surface, whether vertical or horizontal or both; cement to
insulation at remaining surface, if any. Space 8-foot lengths 1/4 inch apart at ends for venting.
5.
Cover wood cants and blocking with temporary waterproof covering until permanent flashing is
installed.
Installation of Plywood Sheathing:
1.
Install sheathing using screws at 6 inches on center on panel edges and 12 inches on center
at intermediate supports.
2.
3.
Locate joints between sheathing panels over framing members.
Install with face grain perpendicular to direction of framing.
4.
Allow minimum space 1/16 inch between end joints and 1/8 inch at edge joints for expansion
and contraction of panels; double spaces under wet or humid conditions.
Installation of Wood Blocking:
1.
Wood Blocking For Fixture, Equipment, and Accessory Attachment:
a.
Provide fire retardant treated 2-inch by 4-inch wood blocking, or heavier if required,
between studs as indicated on Drawings and as necessary to provide suitable anchorage
for wood trim, fixtures, equipment, and/or furnishings which anchor into or hang from steel
stud framed partitions.
1)
For anchorage of base cabinet casework only to adjacent metal stud framed walls,
Contractor has option to provide continuous 6-inch wide strips of 16 gauge
galvanized steel sheet fastened to face of steel studs as coordinated with casework
installer for anchorage type, quantity and locations.
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MPS Master
SECTION 06 10 00
b.
Coordinate with manufacturer, supplier or installer of items requiring anchorage for proper
location, type, and sizes for blocking.
END OF SECTION
06 10 00 - 11
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