SECTION 06112

FRAMING AND SHEATHING

PART 1 GENERAL

SECTION INCLUDES

Structural floor, wall, and roof framing.

Built-up structural [beams] [and] [columns].

Diaphragm trusses built on site.

Floor, wall, and roof sheathing.

Sill [gaskets] [and] [flashings].

[Preservative treatment of wood.]

[Fire retardant treatment of wood.]

Miscellaneous framing and sheathing.

Telephone and electrical panel boards.

Concealed wood blocking for support of [toilet and bath accessories] [wall cabinets] [wood trim] [and] [________].

PRODUCTS FURNISHED BUT NOT INSTALLED UNDER THIS SECTION

Section [______-____________]: Placement of steel fabrications [embedded] [bearing upon and anchored] into [concrete.] [masonry.]

RELATED SECTIONS

Section [_____-_________]: Setting anchors in [concrete.] [masonry.] [________.]

Section [_____-_________]: Prefabricated [steel structural supports.] [________.]

Section 06125 - Wood Decking.

Section 06131 - Heavy Timber Framing.

Section 06135 - Heavy Timber Trusses.

Section 06151 - Wood Chord Metal Joists.

Section 06181 - Glued Laminated Structural Units.

Section 06193 - Plated Connected Wood Trusses.

Section 06196 - Plywood Web Joists.

Section [______-____________]: [Wood] [Metal] roof decking to receive wood curbs [and cants].

Section [______-____________]: [Window] [Door] [________] openings to receive wood blocking.

REFERENCES

ALSC - American Lumber Standards Committee: Softwood Lumber Standards.

ANSI A208.1 - Mat-Formed Wood Particleboard.

ANSI/AHA A135.4 - Basic Hardboard.

APA: American Plywood Association.

AWPA (American Wood Preservers Association) C1 - All Timber Products Preservative Treatment by Pressure Process.

AWPA (American Wood Preservers Association) C20 -Structural Lumber Fire Retardant Treatment by Pressure Process.

NFPA: National Forest Products Association.

RIS: Redwood Inspection Service.

SPIB: Southern Pine Inspection Bureau.

WCLIB:	West Coast Lumber Inspection Bureau.

WWPA: Western Wood Products Association.

SUBMITTALS

Submit under provisions of Section [01300.] [________.]

Shop Drawings For Site Fabricated Truss Frame: Indicate dimensions, wood species and grades, component profiles, drilled holes, fasteners, connectors, erection details and sequence.

Product Data: Provide technical data on insulated sheathing, wood preservative materials, and application instructions.

Samples of Exposed To View Wood Members:	Submit [two] [_______] samples, [____x____] inch ([____x____] mm) in size illustrating wood grain, stain, and finish.

Manufacturer's Certificate: Certify that [Products] [________] meet or exceed [specified requirements] [________].

QUALITY ASSURANCE

Perform Work in accordance with the following agencies:

Lumber Grading Agency:	Certified by ALSC.

Plywood Grading Agency: Certified by [APA.] [____.]

In lieu of grade stamping exposed to view lumber and plywood, submit manufacturer's certificate under provisions of Section [01400] [01405] that [products] [_________] meet or exceed [specified requirements] [_________]

QUALIFICATIONS

Design structural site fabricated trusses under direct supervision of a Professional Structural Engineer experienced in design of this Work and licensed [at the place where the Project is located] [in the State of [____________]].

DELIVERY, STORAGE, AND HANDLING

Deliver, store, protect, and handle products to site under provisions of Section [01600.] [________.]

Protect site framed structural site fabricated trusses from warping or other distortion by stacking in vertical position, braced to resist movement.

PART 2 PRODUCTS

LUMBER MATERIALS

Lumber Grading Rules: [NFPA] [RIS] [SPIB] [WCLIB] [WWPA] [________].

Beam Framing: [Stress Group [____],] [[________] species, [________] grade, [________] size classification,] [19]

[____] percent maximum moisture content.

Joist Framing: [Stress Group [____],] [[________] species, [________] grade, [________] size classification,] [19] [____] percent maximum moisture content.

Rafter Framing: [Stress Group [____],] [[________] species, [________] grade, [________] size classification,] [19] [____] percent maximum moisture content.

Non-structural Light Framing: [Stress Group [____],] [[________] species, [________] grade, [________] size classification,] [19] [____] percent maximum moisture content.

Studding: [Stress Group [____],] [[________] species, [________] grade, [________] size classification,] [19] [____] percent maximum moisture content.

Below Grade Wood Foundation Framing:	[Stress Group [____],] [[________] species, [________] grade, [________] size classification,] [19] [____] percent maximum moisture content, pressure preservative treated.

Miscellaneous Framing: [Stress Group [D] [____],] [[________] species,] [19] [____] percent maximum moisture content [, pressure preservative treat].

SHEATHING MATERIALS

Plywood Roof Sheathing: APA [Rated Sheathing] [Structural [I] [II]], Span Rating [____]; Exposure Durability [1] [2]; [sanded.] [unsanded.]

****** [OR] ******

Particleboard Roof Sheathing: [ANSI A208.1] [APA [Waferboard] [Oriented Strand Board] [Structural Particleboard]; wood [chips] [shavings] [flakes] set with waterproof resin binder; [________] grade; [sanded] [unsanded] faces.

****** [OR] ******

Insulating Roof Sheathing: [________] insulation type, [foil] [________] faced, 'R' value of [____] (RSI value of [____]; [________] manufactured by [____________].

****** [OR] ******

Gypsum Roof Sheathing: [Moisture resistant] [Fire resistant], [1/2] [5/8] inch ([12] [15] mm) thick, [24 x 96] [______x_______] inch ([600 x 2 400] [_____x_____] mm) sized sheets, [square] [tongue and groove] edges, water repellant paper faces.

Plywood Wall Sheathing: APA [Rated Sheathing] [Structural [I] [II]], Span Rating [____]; Exposure Durability [1] [2]; [sanded.] [unsanded.]

****** [OR] ******

Particleboard Wall Sheathing: [ANSI A208.1] [APA [Waferboard] [Oriented Strand Board] [Structural Particleboard]; wood [chips] [shavings] [flakes] set with waterproof resin binder; [________] grade; [sanded] [unsanded] faces.

****** [OR] ******

Insulating Wall Sheathing: [________] insulation type, [foil] [________] faced, 'R' value of [____] (RSI value of [____]; [________] manufactured by [____________].

****** [OR] ******

Gypsum Wall Sheathing: [Moisture resistant] [Fire resistant], [1/2] [5/8] inch ([12] [15] mm) thick, [24 x 96] [____x____] inch ([600 x 2 400] [_____x______] mm) sized sheets, [square] [tongue and groove] edges, water repellant paper faces.

Plywood Floor Sheathing:	APA [Rated Sheathing] [Structural [I] [II]], Span Rating [____]; Exposure Durability [1] [2]; [sanded.] [unsanded.]

****** [OR] ******

Particleboard Floor Sheathing: [ANSI A208.1] [APA [Waferboard] [Oriented Strand Board] [Structural Particleboard]; wood [chips] [shavings] [flakes] set with waterproof resin binder; [________] grade; [sanded] [unsanded] faces.

UNDERLAYMENT MATERIALS

Plywood Underlayment: APA [Rated Sheathing] [Structural [I] [II]], Span Rating [____]; Exposure Durability [1] [2]; [sanded.] [unsanded.]

****** [OR] ******

Particleboard Underlayment:	[ANSI A208.1] [APA [Waferboard] [Oriented Strand Board] [Structural Particleboard]; wood [chips] [shavings] [flakes] set with waterproof resin binder; [________] grade; [sanded] [unsanded] faces.

****** [OR] ******

Hardboard Underlayment: [ANSI A135.4, Class [1 -Tempered] [2 - Standard] [3 - Service Tempered] [4 -Service] [5 - Industrialite], [S1S] [S2S] smooth side;] pressed lignocellulosic fiber with resin binder.

SHEATHING AND UNDERLAYMENT LOCATIONS

Sloped Roof Sheathing: [5/16] [3/8] [1/2] [____] inch ([8] [9.5] [12] [____] mm) thick, [48 x 96] [____x____] inch ([1 200 x 2 400] [____x____] mm) sized sheets, [square] [________] edges [, preservative treated].

Flat Roof Sheathing:	[1/2] [5/8] [____] inch ([12] [15] [____] mm) thick, [48 x 96] [____x____] inch ([1 200 x 2 400] [____x____] mm) sized sheets, [square] [tongue and groove] [________] edges [, preservative treated].

****** [OR] ******

Insulating [Sloped] [Flat] Roof Sheathing: [____] inch ([____] mm) thick, [48 x 96] [____x____] inch ([1 200 x 2 400] [____x____] mm) sized sheets.

Above Grade Wall Sheathing: [1/2] [5/8] [____] inch ([12] [15] [____] mm) thick, [48 x 96] [____x____] inch ([1 200 x 2 400] [____x____] mm) sized sheets, [square] [tongue and groove] [________] edges [, preservative treated].

****** [OR] ******

Insulating Above Grade Wall Sheathing: [____] inch ([____] mm) thick, [48 x 96] [____x____] inch ([1 200 x 2 400] [____x____] mm) sized sheets.

Below Grade Wall Sheathing: [3/4] [____] inch ([19] [____] mm) thick, [48 x 96] [____x____] inch ([1 200 x 2 400] [____x____] mm) sized sheets, [square] [tongue and groove] [________] edges, pressure preservative treated.

Floor Sheathing:	[5/8] [____] inch ([15] [____] mm) thick, [48 x 96] [____x____] inch ([1 200 x 2 400] [____x____] mm) sized sheets, [square] [tongue and groove] [________] edges [, preservative treated].

Floor Underlayment: [____] inch ([____] mm) thick, [48 x 96] [____x____] inch ([1 200 x 2 400] [____x____] mm) sized sheets.

ACCESSORIES

Fasteners and Anchors:

Fasteners: [Hot-dipped galvanized] [Zinc electroplated] steel for high humidity and treated wood locations, unfinished steel elsewhere.

****** [OR] ******

Drywall Screws: Bugle head, hardened steel, power driven type, [length [three] [____] times thickness of sheathing.] [length to achieve full penetration of sheathing substrate.]

Anchors:	[Toggle bolt type for anchorage to hollow masonry.] [Expansion shield and lag bolt type for anchorage to solid masonry or concrete.] [Bolt or ballistic fastener for anchorages to steel.]

Die Stamped Connectors: [____] inch ([____] mm) thick, hot dipped galvanized steel.

Joist Hangers: Hot dipped galvanized steel, sized to suit framing conditions, [________] manufactured by [____________].

Sill Gasket on Top of Foundation Wall: [1/4] [____] inch ([6] [____] mm) thick, [plate width] [[____] inch ([____] mm) wide], [closed cell [polyethylene] [urethane] [________] foam from continuous rolls] [glass fiber strip] [________]; [________] manufactured by [____________].

Sill Flashing (Under Sill Gasket): [6] [___] mil ([0.15] [____] mm) thick, [[clear] [________] polyethylene sheet.] [galvanized steel.] [________.]

Subfloor Glue: [APA AFG-01,] waterproof of [water] [solvent] base, air cure type, cartridge dispensed; [________] manufactured by [____________].

Building Paper: [No. 15 asphalt felt.] [Plain untreated cellulose building paper.] [Spun bonded polyethylene.] [_________.]

Termite Shield: [Galvanized sheet steel, [____] inch ([____] mm) thick.] [Plastic, [____] inch ([____] mm) thick.] [________.]

FACTORY WOOD TREATMENT

Fire retardant: [AWPA Treatment C20, [Exterior] [Interior] Type,] chemically treated and pressure impregnated; capable of providing a maximum flame spread/smoke development rating of [____] / [____]; [________] manufactured by [____________].

Wood Preservative (Pressure Treatment): [AWPA Treatment C1] using [water borne] [_____________] preservative with [0.25] [_____] percent retainage.

Wood Preservative (Surface Application):	[Clear] [colored], [_____________] type, manufactured by [_____________].

PART 3 EXECUTION

FRAMING

Set structural members level and plumb, in correct position.

Make provisions for erection loads, and for sufficient temporary bracing to maintain structure safe, plumb, and in true alignment until completion of erection and installation of permanent bracing.

Place horizontal members flat, crown side up.

Construct [load bearing] framing [and curb] members full length without splices.

Double members at openings over [____] inches ([____] mm) wide. Space short studs over and under opening to stud spacing.

Construct double joist headers at floor and ceiling openings and under wall stud partitions that are parallel to floor joists. Frame rigidly into joists.

Bridge [joists] [framing] in excess of [8] [____] feet ([2.3] [____] m) span [as detailed.] [at mid-span.] Fit solid [blocking] [bridging] at ends of members.

Place full width continuous sill flashings under framed walls on [cementitious foundations.] [________.] Lap flashing joint [4] [____] inches ([100] [____] mm).

Place sill gasket directly on [sill flashing.] [cementitious foundation.] Puncture gasket clean and fit tight to protruding foundation anchor bolts.

[Coordinate installation of [wood decking,] [wood chord metal joists,] [glue laminated structural units,] [prefabricated wood trusses,] [and] [plywood web joists].]

Curb roof openings [except where prefabricated curbs are provided]. Form corners by alternating lapping side members.

[Coordinate curb installation with installation of [decking and support of deck openings,] [roofing vapor retardant,] [parapet construction,] [and] [________].

SHEATHING

Secure roof sheathing perpendicular to framing members with ends staggered and sheet ends over firm bearing. [Use sheathing clips between sheets between roof framing members.] [Provide solid edge blocking between sheets.]

Secure wall sheathing with long dimension [parallel] [perpendicular] to wall studs, with ends over firm bearing [and staggered].

[Place plywood or structural-use panel sheeting at building corners for a horizontal distance of [____] inches ([____] mm).] [Provide inlet diagonal bracing.]

Place building paper horizontally over wall sheathing, weather lap edges and ends.

Secure subfloor perpendicular to floor framing with end joints staggered and sheet ends over firm bearing. Attach with [subfloor glue and] [drywall screws] [_________].

Install plywood [to simple span.] [to two span continuous.] [cantilevered with pieces intermixed.] [in combination single and two span continuous.] [random with [________] inches minimum length.]

[Place building paper between floor underlayment and subflooring.]

Install flooring underlayment after dust and dirt generating activities have ceased and prior to application of finished flooring. Apply perpendicular to subflooring, stagger joints of underlayment. Secure with [_______] type fasteners.

Install telephone and electrical panel boards with [plywood] [________] sheathing material where required. Over size the panel by [12] [____] inches ([300] [____] mm) on all sides.

SITE APPLIED WOOD TREATMENT

Apply preservative treatment in accordance with	manufacturer's instructions.

Brush apply [one] [two] coats of preservative treatment on wood in contact with [cementitious materials] [roofing and related metal flashings] [and] [_________]. [Treat site-sawn cuts.]

Allow preservative to dry prior to erecting members.

TOLERANCES

Framing Members:	[1/4] [____] inch ([6] [____] mm) from true position, maximum.

Surface Flatness of Floor: [1/4] [____] inch in 10 feet ([2] [____] mm/m) maximum, and [1/2] [____] inch ([12] [____] mm) maximum in [30] [____] feet.

SCHEDULES

Above Grade Joist, Rafter, and Stud Framing:	S/P/F species, 19 percent maximum moisture content.

Sloped Roof Sheathing: Plywood, 3/8 inch thick, 24 x 48 inch sized sheets, square edges; appearance grade facing inward.

Below Grade Joist and Stud Framing: Stress Group B, pressure preservative treatment.

Below Grade Wall Sheathing: Plywood, 3/4 inch thick, 24 x 48 inch sized sheets, tongue and groove edges, pressure preservative treated.

Blocking and Cants: S/P/F species, pressure preservative treatment.

END OF SECTION