SECTION 09111

METAL STUD FRAMING SYSTEM

PART 1 GENERAL

SECTION INCLUDES

Formed metal stud framing [at [interior] [________] locations.]

Framing accessories.

PRODUCTS FURNISHED BUT NOT INSTALLED UNDER THIS SECTION

Section [_____-__________]: [Anchors] [__________] for attaching work of this section.

PRODUCTS INSTALLED BUT NOT FURNISHED UNDER THIS SECTION

Section [_____-_________]: Anchors for support of [__________.]

Section [_____-_________]: [Window] [________] anchors.

RELATED SECTIONS

Section 04320 - Veneer Masonry System: Veneer masonry supported by stud wall metal framing.

Section 04450 - Cut Stone Veneer: Stone veneer supported by stud wall metal framing.

Section 05400 - Cold-Formed Metal Framing: Structural load bearing metal stud framing.

Section [______-____________]: Metal fabrications attached to stud framing.

Section 06114 - Wood Blocking and Curbing: Rough wood blocking within stud framing.

Section [_____-__________]: Wall sheathing.

Section 07190 - Vapor and Air Barriers.

Section 07213 - Batt and Blanket Insulation:	Insulation within framing members.

Section [_____-__________]: Head and sill flashings.

Section 07240 - Coated Insulation System.

Section 07900 - Joint Sealers.

Section 09206 - Metal Furring and Lathing.

Section 09210 - Gypsum Plaster.

Section 09220 - Portland Cement Plaster.

Section 09260 - Gypsum Board Systems: Metal studs for partitioning.

Section 10616 - Demountable Gypsum Board Partitions.

REFERENCES

ASTM A123 - Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products.

ASTM A525 - General Requirements for Steel Sheet, Zinc- Coated (Galvanized) by the Hot-Dip Process.

ASTM A591 - Steel Sheet, Cold-Rolled, Electrolytic Zinc-Coated.

ASTM C645 - Non-Load (Axial) Bearing Steel Studs, Runners (Track) and Rigid Furring Channels for Screw Application of Gypsum Board.

ASTM C754 - Installation of Steel Framing Members to Receive Screw-Attached Gypsum Wallboard, Backing Board, or Water-Resistant Backing Board.

GA 203 - Installation of Screw-Type Steel Framing Members to Receive Gypsum Board.

Metal Framing Manufacturers Association (MFMA) -Guidelines for the Use of Metal Framing.

SSPC (Steel Structures Painting Council) - Steel Structures Painting Manual.

SYSTEM DESCRIPTION

Metal stud framing system for exterior wall infill, with exterior sheathing specified in Section [________], [batt] [________] insulation specified in Section [________], interior gypsum board specified in Section [________].

Metal stud framing system for interior walls, with [batt] [________] type acoustic insulation specified in Section [________], interior gypsum board specified in Section [________].

Design and size components to withstand dead and live loads caused by pressure and suction of wind acting normal to plane of wall [as calculated in accordance with [________] code.] [to a design pressure of [____] lb/sq ft ([____] KPa).]

Maximum Allowable Deflection: [1/180] [1/240] [1/360] [____] span.

Design [wall] [________] system to provide for movement of components without damage, failure of joint seals, undue stress on fasteners, or other detrimental effects when subject to seasonal or cyclic day/night temperature ranges.

Design system to accommodate construction tolerances, deflection of building structural members, and clearances of intended openings.

SUBMITTALS

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

Shop Drawings: Indicate [prefabricated work,] component details, [stud layout,] [framed openings,] [anchorage to structure,] [type and location of fasteners,] and accessories or items required of other related work.

Describe method for securing [studs] [__________] to tracks, [splicing,] and for blocking and reinforcement to framing connections.

Provide calculations for loadings and stresses of [exterior walls,] [specially fabricated framing,] [and] [________] under the Professional Structural Engineer's seal.

Product Data: Provide data describing standard framing member materials and finish, product criteria, load charts, limitations, [and] [________].

Manufacturer's Installation Instructions: Indicate special procedures, perimeter conditions requiring special attention, and [________].

QUALITY ASSURANCE

Perform Work in accordance with [GA 203] [MFMA] [and] [ASTM C754].

Maintain [one copy] [[____] copies] of [each] document on site.

QUALIFICATIONS

Installer: Company specializing in performing the work of this section [with minimum [__________] years [documented] experience] [approved by manufacturer].

Design structural elements 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 [____________]].

MOCKUP

Provide mockup of stud wall framing including other components required to be part of the wall framing system under provisions of Section [01400.] [________.]

Mockup Size:	[____x____] feet ([____x____] m), including corner condition.

Mockup may [not] remain as part of the Work.

COORDINATION

Coordinate work under provisions of Section [01039.] [________.]

Coordinate with the placement of components within the stud framing system, specified in Section [________.]

PART 2 PRODUCTS

MANUFACTURERS

[__________________________________] Product [_________].

[__________________________________] Product [_________].

[__________________________________] Product [_________].

Substitutions: Under provisions of Section [01600.] [________.]

STUD FRAMING MATERIALS

Framing System Components:	ASTM C645.

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

Studs: [ASTM A525] [ASTM A591], non-load bearing rolled steel, channel shaped, punched for utility access, [as scheduled.] [as follows:]

Depth: [1-5/8] [2-1/2] [3-1/2] [4] [6] [___] inches ([40] [60] [90] [100] [150] [___] mm).

Thickness: [20] [22] [25] [27] [___] gage ([0.56] [0.45] [___] mm).

Runners:	Of same material and thickness as studs, bent leg retainer notched to receive studs [with provision for crimp locking to stud.] [Ceiling Runners: With extended leg retainer.]

Furring and Bracing Members:	Of same material as studs; thickness to suit purpose.

Fasteners: [GA 203.] [Self drilling, self tapping screws.] [________.]

Sheet Metal Backing:	[20] [___] gage ([0.9] [___] mm thick) [galvanized] steel for reinforcement of [________].

Anchorage Devices: [Power actuated.] [Drilled expansion bolts.] [Screws with sleeves.] [________.]

[Acoustic] [________] Sealant: As specified in Section [09260.] [________.]

Touch-Up Primer for Galvanized Surfaces:	[SSPC - Paint 20 [Type I Inorganic] Type II Organic] zinc rich] [________].

FABRICATION

Fabricate assemblies of [framed sections] [________] to sizes and profiles required; with framing members fitted, reinforced, and braced to suit design requirements.

Fit and assemble in largest practical sections for delivery to site, ready for installation.

FINISHES

Studs: [Galvanize to [G90] [G60] [____] coating class.] [Electro-galvanized.]

Tracks and Headers: [Galvanize to [G90] [G60] [____] coating class.] [Electro-galvanized.]

Accessories:	[Same finish as framing members.] [ASTM A123, hot dip galvanized to [1.25] [____] oz/sq ft ([380] [____] gm/sq m).]

PART 3 EXECUTION

EXAMINATION

Verify site conditions under provisions of Section [01039.] [________.]

Verify that conditions are ready to receive work.

Verify that rough-in utilities are in proper location.

ERECTION

Align and secure top and bottom runners at [24] [____] inches ([600] [____] mm) oc.

Place [one] [two] [___] beads of [acoustical] [________] sealant between runners and substrate [, studs and adjacent construction] to achieve an [air seal] [acoustical seal].

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

Achieve an air tight seal between runners and substrate with [acoustical] [________] sealant in conjunction with Section [07190.] [________.]

Place [one] [two] [___] beads of [acoustic] [________] sealant between studs and adjacent vertical surfaces to achieve an [air seal] [acoustical seal].

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

Achieve an air tight seal between studs and adjacent vertical surfaces with [acoustical] [________] sealant in conjunction with Section [07190.] [________.]

Fit runners under and above openings; secure intermediate studs to same spacing as wall studs.

Install studs vertically at [12] [16] [24] [___] inches ([300] [400] [600] [___] mm) oc.

Align stud web openings horizontally.

Secure studs to tracks using [crimping] [clip and tie] [fastener] [________] method. Do not weld.

Stud splicing [not] permissible.	[Splice studs with 8 inch (200 mm) nested lap, secure each stud flange with [flush head screw.] [crimped indentation.] [________.]

Fabricate corners using a minimum of three studs.

Double stud at wall openings, door and window jambs, not more than 2 inches (50 mm) from each side of openings.

Brace stud framing system rigid.

Coordinate erection of studs with requirements of [door frames,] [window frames,] [and] [__________]; install supports and attachments.

Coordinate installation of wood bucks, anchors, and wood blocking with electrical and mechanical work to be placed within or behind stud framing.

Blocking: [Secure wood blocking to studs.] [Secure steel channels to studs.] [Install blocking for support of [plumbing fixtures,] [toilet partitions,] [wall cabinets,] [toilet accessories,] [hardware,] [and] [__________].]

Extend stud framing to ceiling only.	Attach ceiling runner securely to [acoustical ceiling track] [ceiling framing] in accordance with [manufacturer's instructions.] [details indicated.]

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

Refer to Drawings for indication of partitions extend stud framing through the ceiling to the structure above. Maintain clearance under structural building members to avoid deflection transfer to studs. Provide extended leg ceiling runners.

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

Refer to Drawings for indication of partitions extending to finished ceiling only and for partitions extending through the ceiling to the structure above. Maintain clearance under structural building members to avoid deflection transfer to studs. Provide extended leg ceiling runners.

Coordinate placement of insulation in stud spaces made inaccessible after stud framing erection.

ERECTION TOLERANCES

Maximum Variation From True Position: [____] inch ([____] mm).

Maximum Variation of any Member from Plane: [____] inch ([____] mm).

Maximum Variation From Plumb: [____] inch ([____] mm).

END OF SECTION