This Product MasterSpec Section modifies the original MasterSpec text, and does not include the full content of the original MasterSpec Section


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Copyright 2014 AIA MasterSpec Premium 06/14

PRODUCT MASTERSPEC LICENSED BY ARCOM TO CLARKDIETRICH BUILDING SYSTEMS.


Copyright 2014 by The American Institute of Architects (AIA)

Exclusively published and distributed by Architectural Computer Services, Inc. (ARCOM) for the AIA

This Product MasterSpec Section is licensed by ARCOM to ClarkDietrich Building Systems ("Licensee").

This Product MasterSpec Section modifies the original MasterSpec text, and does not include the full content of the original MasterSpec Section.

Revisions made to the original MasterSpec text are made solely by the Licensee and are not endorsed by, or representative of the opinions of, ARCOM or The American Institute of Architects (AIA). Neither AIA nor ARCOM are liable in any way for such revisions or for the use of this Product MasterSpec Section by any end user. A qualified design professional should review and edit the document to suit project requirements.

For more information, contact ClarkDietrich Building Systems, 9100 Centre Pointe Dr., Suite 210, West Chester, OH 45069; Phone: (513) 870-1100; Fax: (513) 870-1300; Website: www.clarkdietrich.com; Email: info@clarkdietrich.com.

For information about MasterSpec contact ARCOM at (800) 424-5080 or visit www.MasterSpec.com.

SECTION 092216 - NON-STRUCTURAL METAL FRAMING

TIPS:

To view non-printing Editor's Notes that provide guidance for editing, click on Masterworks/Single File Formatting/Toggle/Editor's Notes.

To read detailed research, technical information about products and materials, and coordination checklists, click on Masterworks/Supporting Information.

Revise this Section by deleting and inserting text to meet Project-specific requirements.

Verify that Section titles referenced in this Section are correct for this Project's Specifications; Section titles may have changed.

PART 1 - GENERAL

1.1RELATED DOCUMENTS

Retain or delete this article in all Sections of Project Manual.

A.Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2SUMMARY

A.Section Includes:

1.Non-load-bearing steel framing systems for interior partitions.

2.Suspension systems for interior ceilings and soffits.

3.Grid suspension systems for gypsum board ceilings.

B.Related Requirements:

Retain subparagraph below to cross-reference requirements Contractor might expect to find in this Section but are specified in another Section.

1.Section 054000 "Cold-Formed Metal Framing" for exterior and interior load-bearing and exterior non-load-bearing wall studs; floor joists; roof rafters and ceiling joists; and roof trusses.

1.3ACTION SUBMITTALS

A.Product Data: For each type of product.

Retain "Studs and Runners" Subparagraph below for third-party verification of products. SFIA's program certifies that studs and runners comply with the IBC, ASTM C 645, AISI S100, and AISI S200. Mechanical properties, coatings, dimensions, and labeling are checked.

1.Studs and Runners: Provide documentation that framing members' certification is according to SFIA's "Code Compliance Certification Program for Cold-Formed Steel Structural and Non-Structural Framing Members".

B.Sustainable Design Submittals:

Retain one of two “LEED Submittals” Paragraphs below.

1.LEED v4 Submittals:

a.MR Credit: Building Product Disclosure and Optimization - Environmental Product Declarations: Provide Type III EPDs from manufacturers that have third-party verified environmental impact data.

b.MR Credit: Building Product Disclosure and Optimization - Sourcing of Raw Materials: Provide recycled content of products showing the percentage of postconsumer and/or preconsumer recycled content by weight and its associated cost.

c.MR Credit: Building Product Disclosure and Optimization - Material Ingredients: Provide Health Product Declarations (HPDs) from manufacturers with full disclosure of known hazards in compliance with the Health Product Declaration Open Standard.

d.MR Credit: Construction and Demolition Waste Management: Include a statement indicating percentage of materials diverted from disposal in landfills and incinerators, and where recyclable resources are directed back to the manufacturing process.

2.LEED v2009 Submittals:

a.Product Data for Credit MR 4.1[ and Credit MR 4.2]: For products having recycled content, provide documentation indicating percentages by weight of postconsumer and preconsumer recycled content. Include statement indicating cost for each product having recycled content.

b.Product Data for Credit MR 2.1[ and Credit MR 2.2]: For products diverted from disposal in landfills and incinerators, and where recycled resources are directed back to the manufacturing process, include statement indicating percentage of materials diverted and recycled, and the costs associated with each.

c.Product Data for Credit MR 5: For products where product manufacturing is within a 500 mile radius of the jobsite and the point of extraction of the raw materials, include a statement indicating the location and distances for the manufacturing plant and the point of extraction of raw materials in relation to the jobsite location.

1.4INFORMATIONAL SUBMITTALS

A.Evaluation Reports: Submit evaluation reports certified under an independent third party inspection program administered by an agency accredited by IAS to ICC-ES AC98, IAS Accreditation Criteria for Inspection Agencies.

Electronic submittals generated via ClarkDietrich website and submitted electronically are acceptable, if electronic documentation allowed per procedural requirements specified in Division 01. (Generate electronic submittals at www.clarkdietrich.com.)

B.Manufacturer's Certification: Submit manufacturer's certification of product compliance with codes and standards along with product literature and data sheets for specified products.

1.5QUALITY ASSURANCE

A.Contractor shall provide effective, full time quality control over all fabrication and erection complying with the pertinent codes and regulations of government agencies having jurisdiction. Conduct pre-installation meeting to verify project requirements, substrate conditions, and manufacturer’s installation instructions.

B.Manufacturer shall be a current member of the SFIA and be listed on the official website or be a part of a similar organization that provides a verifiable code compliance program.

1.6DELIVERY, STORAGE, AND HANDLING

A.Notify manufacturer of damaged materials received prior to installation.

B.Deliver materials in manufacturer's original, unopened, undamaged containers with identification labels intact.

C.Protect cold-formed metal framing from corrosion, deformation, and other damage during delivery, storage, and handling as required by AISI's "Code of Standard Practice".

PART 2 - PRODUCTS

Manufacturers and products listed in SpecAgent and Masterworks Paragraph Builder are neither recommended nor endorsed by the AIA or ARCOM. Before inserting names, verify that manufacturers and products listed there comply with requirements retained or revised in descriptions and are both available and suitable for the intended applications. For definitions of terms and requirements for Contractor's product selection, see Section 016000 "Product Requirements."

2.1PERFORMANCE REQUIREMENTS

Retain "Fire-Test-Response Characteristics" Paragraph below if framing is part of fire-resistance-rated assemblies. Indicate design designations of specific assemblies on Drawings.

A.Fire-Test-Response Characteristics: For fire-resistance-rated assemblies that incorporate non-load-bearing steel framing, provide materials and construction identical to those tested in assembly indicated, according to ASTM E 119 by, and displaying a classification label from an independent testing agency acceptable to the authority having jurisdiction.

1.Construct fire-resistance rated partitions in compliance with tested assembly requirements[ indicated on drawings].

2.Rated assemblies to be substantiated from applicable testing using proposed products, by Contractor.

Retain "STC-Rated Assemblies" Paragraph below if framing is part of STC-rated assemblies. Indicate design designations of specific assemblies on Drawings.

B.STC-Rated Assemblies: For STC-rated assemblies, provide materials and construction identical to those tested in assembly indicated, according to ASTM E 90 and classified according to ASTM E 413 by an independent testing agency.

Retain "Horizontal Deflection" Paragraph below to allow Contractor to choose stud base-steel thickness and stud spacing rather than specifying base-steel thickness and spacing or indicating them on Drawings. Coordinate deflection limit with partition finishes (for example, plaster, gypsum board, veneer plaster, etc.).

C.Horizontal Deflection: For wall assemblies, limited to [1/240] [1/360] of the wall height based on horizontal loading of [5 lbf/sq. ft. (239 Pa)] [10 lbf/sq. ft. (480 Pa)].

D.Design framing systems in accordance with American Iron and Steel Institute Publication “S220 - North American Specification for the Design of Cold-Formed Steel Framing - Nonstructural Members”, except as otherwise shown or specified.

E.Design loads: As indicated on the Architectural Drawings or 5 PSF minimum as required by the International Building Code.

F.Design framing systems to accommodate deflection of primary building structure and construction tolerances and to withstand design loads with a maximum deflection of <insert number> inches.

2.2FRAMING SYSTEMS

Retain "Recycled Content of Steel Products" Paragraph below to specify recycled content if required. An alternative method of requiring recycled content is to retain requirement in Project's Division 01 sustainable design requirements Section that gives Contractor the option and responsibility to determine how recycled content requirements will be met.

A.Recycled Content of Steel Products: Postconsumer recycled content plus one-half of preconsumer recycled content not less than [25] <Insert value> percent.

B.Framing Members, General: Comply with ASTM C 645 for conditions indicated.

1.Steel Sheet Components: Comply with ASTM C 645 requirements for metal unless otherwise indicated.

Specify ClarkDietrich's proprietary DiamondPlus® coating if superior corrosion protection to that provided by a G40 coating is desired.

Retain one of two "Protective Coating" Subparagraphs below. Retain second "Protective Coating" Subparagraph to specify ClarkDietrich's DiamondPlus® coating.

2.Protective Coating: Comply with ASTM C 645; roll-formed from hot-dipped galvanized steel; complying with ASTM A 653/A 653M G40 (Z120) or having a coating that provides equivalent corrosion resistance. A40 galvannealed products are not acceptable.

a.Coatings shall demonstrate equivalent corrosion resistance with an evaluation report acceptable to the authority having jurisdiction.

3.Protective Coating: DiamondPlus® coating. Comply with ASTM C 645; roll-formed from steel meeting mechanical and chemical requirements of ASTM A 1003 with a zinc-based coating; DiamondPlus® coating applied to the existing zinc-based coating.

a.DiamondPlus® coating shall demonstrate equivalent corrosion resistance with an evaluation report acceptable to the authority having jurisdiction.

C.Studs and Runners: ASTM C 645.

1.Non-Structural Studs: Cold-formed galvanized steel C-studs as per ASTM C 645 for conditions indicated below:

a.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; ProSTUD products named below, or a comparable product from one of the members of the SFIA:

1)<Insert manufacturer's name>.

b.Flange Size: 1 1/4 inch (32mm).

c.Web Depth: [As specified on Drawings] [1-5/8 inches (41 mm)] [2-1/2 inches (64 mm)] [3-5/8 inches (92 mm)] [4 inches (102 mm)] [6 inches (152 mm)].

d.Member Description: ProSTUD 25 (25 EQ) 50 ksi.

1)Minimum Base-Steel Thickness: 0.0150 inches (0.3810 mm).

2)Minimum Design Thickness: 0.0158 inches (0.4013 mm).

e.Member Description: ProSTUD 20 (20 EQ) 65 ksi.

1)Minimum Base-Steel Thickness: 0.0190 inches (0.4826 mm).

2)Minimum Design Thickness: 0.0200 inches (0.5080 mm).

f.Member Description: ProSTUD 30 mil (20 DW) 33 ksi.

1)Minimum Base-Steel Thickness: 0.0296 inches (0.7518 mm).

2)Minimum Design Thickness: 0.0312 inches (0.7925 mm).

g.Member Description: ProSTUD 33 mil (20 STR) 33 ksi.

1)Minimum Base-Steel Thickness: 0.0329 inches (0.8382 mm).

2)Minimum Design Thickness: 0.0346 inches (0.8788 mm).

2.Non-Structural Track: Cold-formed galvanized steel runner tracks, drywall track, in conformance with ASTM C 645 for conditions indicated below:

a.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; ProTRAK, or a comparable product from one of the members of the SFIA:

1)<Insert manufacturer's name>.

b.Flange Size: 1-1/4 inch (32 mm).

c.Web Depth: Track web to match stud web size.

d.Minimum Base-Steel Thickness: Track thickness to match wall stud thickness or as per design.

3.“EQ” (Equivalent Gauge Thickness) Steel Studs and Runners: Members that can show certified third party testing with gypsum board in accordance with ICC ES AC86 (Approved May 2012) need not meet the minimum thickness limitation or minimum section properties set forth in ASTM C 645. The submission of an evaluation report is acceptable to show conformance to this requirement.

4.Steel Framing Stud and Track Wall System: Self-locking metal studs, and telescoping stud extensions and tracks.

a.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; TRAKLOC Steel Framing System [TRAKLOC Fixed Length Stud (TLF)] [TRAKLOC Adjustable Stud (TLA)] [TRAKLOC Elevator Stud (TLE)] [TRAKLOC Track (TTS)] or a comparable product from one of the members of the SFIA:

1)<Insert manufacturer's name>.

b.Minimum Base-Steel Thickness: [0.0179 inch (0.45 mm)] [0.0238 inch (0.60 mm)] [0.0296 inch (0.75 mm)] [0.0329 inch (0.84 mm)].

c.Depth: [2-1/2 inches (64 mm)] [3-5/8 inches (92 mm)] [4 inches (102 mm)] [6 inches (152 mm)].

5.Steel Framing Stud and Deflection Track Wall System: Self-locking metal studs with telescoping stud extension with knockout in each flange to allow for 1 inch (25 mm) of deflection for fire-rated head-of-wall deflection system.

a.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; TRAKLOC Deflection Stud (TLD) and TRAKLOC Track (TTS) or a comparable product from one of the members of the SFIA:

1)<Insert manufacturer's name>.

b.Minimum Base-Steel Thickness: [0.0179 inch (0.45 mm)] [0.0238 inch (0.60 mm)] [0.0296 inch (0.75 mm)] [0.0329 inch (0.84 mm)].

c.Depth: [2-1/2 inches (64mm)] [3-5/8 inches (92 mm)] [4 inches (102 mm)] [6 inches (152 mm)].

For slip joint at stud and top-track interface (head joint) that avoids axial loading of partition by overhead structure, retain "Slip-Type Head Joints" Paragraph below and one or all of the following types of head joints. See "Crack Control" Article in the Evaluations.

D.Slip-Type Head Joints: Where indicated, provide[ one of] the following:

If retaining "Clip System" Subparagraph below, indicate depth of runners on Drawings or insert requirements. Clips can be used with runners with standard legs and long legs.

1.Clip System: Clips designed for use in head-of-wall deflection conditions that provide a positive attachment of studs to runners while allowing [1-1/2-inch (38-mm)] [2-inch (51-mm)] [2-1/2-inch (64-mm)] minimum vertical movement.

a.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; Fast Top Clip [FTC3] [FTC5] or a comparable product by one of the following:

1).

If retaining "Single Long-Leg Runner System" Subparagraph below, indicate type of bridging required on Drawings or by inserts. Strap and 1-1/2-inch (38-mm) cold-formed channel are commonly used.

2.Single Long-Leg Runner System: ASTM C 645 top runner with 2-inch- (51-mm-) deep flanges in thickness not less than indicated for studs, installed with studs friction fit into top runner and [with continuous bridging and spacer bar] [with manufacturer's proprietary bridging and spacer bar] [cold-formed channel with clip angles] located within 12 inches (305 mm) of the top of studs to provide lateral bracing.

a.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; BlazeFrame DL Deflection Track or a comparable product by one of the following:

1)<Insert manufacturer's name>.

b.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; Spazzer 9200 Bridging and Spacer Bar, or a comparable product by one of the following:

1)<Insert manufacturer's name>.

c.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; Cold-Formed Channel and EasyClip U-Series Angle [U543] [U545] [U547], or a comparable product by one of the following:

1)<Insert manufacturer's name>.

If retaining "Double-Runner System" Subparagraph below and if deflection might be great, evaluate the lateral stability of outer-runner flanges and consider using steel channels for tracks instead of non-structural runners.

3.Double-Runner System: ASTM C 645 top runners, inside runner with 2-inch- (51-mm-) deep flanges in thickness not less than indicated for studs and fastened to studs, and outer runner sized to friction fit inside runner.

4.Deflection Track: Steel sheet top runner manufactured to prevent cracking of finishes applied to interior partition framing resulting from deflection of structure above; in thickness not less than indicated for studs and in width to accommodate depth of studs.

a.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; [BlazeFrame DSL] [MaxTrak] Slotted Deflection Track or a comparable product by one of the following:

1).

"Firestop Tracks" Paragraph below specifies firestop tracks for isolating partition framing from structure above in specific fire-resistance-rated assemblies. Products listed may need additional materials to achieve a fire-resistance rating; verify with manufacturer. If retaining, revise to coordinate with rated assemblies and indicate design designations of assemblies on Drawings.

E.Firestop Tracks: Top runner manufactured to allow partition heads to expand and contract with movement of structure while maintaining continuity of fire-resistance-rated assembly indicated; in thickness not less than indicated for studs and in width to accommodate depth of studs.

1.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; [BlazeFrame DSL] [MaxTrak] Slotted Deflection Track, or a comparable product by one of the following:

a..

F.Control Joint Backer: Metal profile which supports intumescent materials located inside and spanning gap between opposing drywall edge at control joint locations.

1.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; BlazeFrame Control Joint Backer (CJB), or a comparable product by one of the following:

a.<Insert manufacturer's name>.

2.Minimum Base-Steel Thickness: 0.018 inch (0.45mm).

3.Width: 3-1/4 inch (82.6 mm).

G.Deflection Bead: Paintable vinyl two-piece trim to cover the caulk in the head of wall while allowing for deflection.

1.Basis-of-Design Product: Subject to compliance with requirements, provide Vinyl Corp.; CaulkCover, or a comparable product by one of the following:

a.<Insert manufacturer's name>.

Retain "Backing Plate" paragraph below for proprietary fire resistance treated blocking and bracing for fixture attachment. Retain "Flat Strap and Backing Plate" Paragraph below for flat-strap blocking and bracing for fixture attachment. Indicate locations, lengths, and widths on Drawings.

H.Backing Plate: Proprietary fire-retardant-treated wood blocking and bracing in width indicated.

1.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; Danback Fire-Retardant Treated Wood Backing Plate [D16F] [D24F], or a comparable product by one of the following:

a.<Insert manufacturer's name>.

I.Flat Strap and Backing Plate: Steel sheet for blocking and bracing in length and width indicated.

1.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; Backing Plate, or a comparable product by one of the following:

a..

2.Minimum Base-Steel Thickness: [As indicated on Drawings] [0.0179 inch (0.45 mm)] [0.0296 inch (0.75 mm)] .

Retain one of the two "Channel Bridging and Bracing" or "U-Channel Bridging" Paragraphs below for channel bridging for fixture attachment or lateral bracing. Indicate locations and details of installation on Drawings.

J.Channel Bridging and Bracing: Pre-notched steel bar, 7/8 inch by 7/8 inch by 50 inches (22.2 mm by 22.2 mm by 1270 mm), 0.0329-inch (0.84-mm) minimum base-steel thickness.

1.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; Spazzer 9200 Bridging and Spacing Bar, or a comparable product by one of the following:

a..

K.U-Channel Bridging: Steel, 0.0538-inch (1.37-mm) minimum base-steel thickness, with minimum 1/2-inch- (13-mm-) wide flanges.

1.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; Cold-Formed U-Channel and EasyClip U-Series Angle [U543] [U545] [U547], or a comparable product by one of the following:

a.<Insert manufacturer's name>.

2.Depth: [As indicated on Drawings] [3/4 inches (19 mm)] [1-1/2 inches (38 mm)] [2 inches (51 mm)] <Insert depth>.

3.Clip Angle: Not less than 1-1/2 by 1-1/2 inches (38 by 38 mm), 0.0538-inch- (1.37-mm) thick, galvanized steel.

L.Hat-Shaped, Rigid Furring Channels: ASTM C 645.

1.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; Furring Channel, or a comparable product by one of the following:

a..

2.Minimum Base-Steel Thickness: [As indicated on Drawings] [0.0179 inch (0.45 mm)] [0.0296 inch (0.75 mm)] .

3.Depth: [As indicated on Drawings] [7/8 inch (22.2 mm)] [1-1/2 inches (38 mm)].

M.Resilient Furring Channels: 1/2-inch- (13-mm-) deep, steel sheet members designed to reduce sound transmission.

1.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; RC Deluxe (RCSD) Resilient Channel, or a comparable product by one of the following:

a..

2.Configuration: Asymmetrical.

N.Carrying Channels: 0.053-inch (1.37-mm) uncoated-steel thickness, with minimum 1/2-inch- (13-mm-) wide flanges.

1.Depth: [As indicated on Drawings] [3/4 inch (19 mm)] .

2.Furring Brackets: Adjustable, corrugated-edge-type steel sheet with minimum uncoated-steel thickness of 0.0296 inch (0.75 mm).

3.Tie Wire: ASTM A 641/A 641M, Class 1 zinc coating, soft temper, 0.062-inch- (1.57-mm-) diameter wire, or double strand of 0.048-inch- (1.21-mm-) diameter wire.

Z-shaped furring is available in 1-, 1-1/2-, 2-, 2-1/2-, and 3-inch (25-, 38-, 51-, 64-, and 76-mm) depths. Coordinate Z-shaped furring requirements with insulation specified in Section 072100 "Thermal Insulation."

O.Z-Shaped Furring: Nonslotted web, face flange of 1-1/4 inches (32 mm), wall attachment flange of 3/4 inch (19 mm), minimum uncoated-steel thickness of 0.0179 inch (0.45 mm), and depth required to fit insulation thickness indicated.

1.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; Z-Furring Channel, or a comparable product by one of the following:

a..

P.Radius Framing: Steel sheet runner for non-load-bearing curves, bends, variable radii and arches using expandable ribbon technology.

1.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; Interior Contour Track [CNTB] [CETB], or a comparable product by one of the following:

a.<Insert manufacturer's name>.

2.Minimum Base-Steel Thickness: [As indicated on Drawings] [0.0179 inch (0.45 mm)] [0.0259 inch (0.66 mm)].

3.Depth: [As indicated on Drawings] [2-1/2 inches (63.5 mm)] [3-5/8 inches (92.1 mm)] [6 inches (152.4 mm)] <Insert depth>.

Q.Headers and Jambs: Manufacturer’s proprietary shape used to form header beams and jambs, columns or posts, of web depths indicated, unpunched, with stiffened flanges and as follows:

1.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; [Heavy Duty Studs - HDS] [and] [Header Bracket - HDSC] [RedHeader RO], or a comparable product by one of the following:

a.<Insert manufacturer's name>.

2.Minimum Base-Steel Thickness: [As indicated on Drawings] [0.0329 inch (0.84 mm)] [0.0428 inch (1.09 mm)] [0.0538 inch (1.37 mm)] [0.0677 inch (1.72 mm)] [0.0966 inch (2.45 mm)].

Retain one or both subparagraphs below to suit Project requirements.

3.Web and Flange Widths, Type HDS: [3-5/8 by 3 by 1-1/16 by 3/4 inch (92.1 by 76.2 by 27.0 by 19.1 mm)] [6 by 3 by 2-1/4 by 3/4 inch (152 by 76.2 by 57.2 by 19.1 mm)].

4.Web and Flange Widths, Type HDSC: [3-1/2 by 3-1/16 by 2 inches (88.9 by 77.8 by 50.8 mm)] [5-7/8 by 3-1/16 by 2 inches (149 by 77.8 by 50.8 mm)].

R.Framed Openings: Galvanized steel one piece header and jamb studs meeting or exceeding the requirements of ASTM C 754 for conditions indicated below.

1.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; [RedHeader RO] [HDS Heavy Duty Steel] [and] [HDSC Header Bracket], or a comparable product from one of the following:

a.<Insert manufacturer's name>.

2.Header Clip: [RedHeader RO Drop ‘N Lock Clip] [HDSC Header Bracket].

a.Attachment screw pattern per manufacturer’s printed literature.

3.Header Flange Length: 3 inch (76 mm) HS300 flange.

4.Jamb Flange Length: 3 inch (76 mm) JS300 flange.

5.Minimum Yield Strength: 33ksi (227 MPa).

6.Minimum Material Thickness: [33 mil (20 gauge) (0.0329 inches)] [43 mil (18 gauge) (0.0428 inches)] <Insert Dimension> [As required by design].

S.Shaftwall System: Non-load-bearing fire-rated wall assemblies that provide critical, life safety, fire-resistant protection for elevator shafts, stairwells, vertical chases, and mechanical enclosures.

1.Stud: ASTM C 645, of profile, size and base-steel thickness required to produce assemblies complying with AISI Specification. Manufacturer's standard profile for repetitive members, corner and end members, and fire-resistance-rated assembly indicated:

a.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; CT Stud or a comparable product that meets or exceeds the requirements as stated in the 2012 International Building Code.

1)<Insert manufacturer's name>.

b.Depth: As indicated.

c.Minimum Base-Steel Thickness: As indicated.

2.Runner Tracks: Manufacturer's standard J-profile track with manufacturer's standard long-leg length, but at least 2 inches long and matching studs in depth.

a.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; J-Tabbed Track, or a comparable product that meets or exceeds the requirements as stated in the 2012 International Building Code.

1)<Insert manufacturer's name>.

b.Minimum Base-Steel Thickness: Manufacturer's standard thicknesses that comply with structural performance requirements for stud depth indicated.

2.3SUSPENSION SYSTEMS

Retain this article for suspended or furred ceilings or soffits and for grid suspended ceilings.

A.Tie Wire: ASTM A 641/A 641M, Class 1 zinc coating, soft temper, 0.062-inch- (1.57-mm-) diameter wire, or double strand of 0.048-inch- (1.21-mm-) diameter wire.

B.Hanger Attachments to Concrete:

Retain "Expansion Anchors" Subparagraph below if expansion anchors are acceptable. Verify allowable load capacity with Project's structural engineer. Insert specific load requirements and names of acceptable products if required.

1.Expansion Anchors: Fabricated from corrosion-resistant materials, with allowable load or strength design capacities calculated according to ICC-ES AC193 and ACI 318, greater than or equal to the design load, as determined by testing per ASTM E 488/E 488M conducted by a qualified testing agency.

Retain "Power-Actuated Anchors" Subparagraph below if power-actuated fasteners are acceptable. Verify allowable load capacity with Project's structural engineer.

2.Power-Actuated Anchors: Fastener system of type suitable for application indicated, fabricated from corrosion-resistant materials, with allowable load capacities calculated according to ICC-ES AC70, greater than or equal to the design load, as determined by testing per ASTM E 1190 conducted by a qualified testing agency.

Retain "Wire Hangers" or "Flat Hangers" Paragraph below, or insert requirements to suit Project. Verify requirements of authorities having jurisdiction. If more than one type of hanger is required, indicate locations of each on Drawings.

C.Wire Hangers: ASTM A 641/A 641M, Class 1 zinc coating, soft temper, 0.16 inch (4.06 mm) in diameter.

D.Flat Hangers: Steel sheet, [in size indicated on Drawings] [1 by 3/16 inch (25 by 5 mm) by length indicated] .

Retain "Carrying Channels" Paragraph below for conventional ceiling suspension framing; delete if only grid suspension ceilings are required.

E.Carrying Channels: Cold-formed, commercial-steel sheet with a base-steel thickness of 0.0538 inch (1.37 mm) and minimum 1/2-inch- (13-mm-) wide flanges.

1.Depth: [As indicated on Drawings] [2 inches (51 mm)] [1-1/2 inches (38 mm)] [3/4 inches (19 mm)].

F.Furring Channels (Furring Members):

Retain one type of furring member below or, if more than one is required, indicate locations of each on Drawings.

1.Cold-Formed Channels: 0.0538-inch (1.37-mm) uncoated-steel thickness, with minimum 1/2-inch- (13-mm-) wide flanges, 3/4 inch (19 mm) deep.

2.Non-Structural Studs: Cold-formed galvanized steel C-studs, as per ASTM C 645 for conditions indicated below:

a.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems, ProSTUD products named below, or a comparable product from one of the members of the SFIA:

1)<Insert manufacturer's name>.

b.Flange Size: 1 1/4 inch (32mm).

c.Web Depth: [As specified on drawings] [1-5/8 inches (41 mm)] [2-1/2 inches (64 mm)] [3-5/8 inches (92 mm)] [4 inches (102 mm)] [6 inches (152 mm)].

Retain one of four "Member Description" subparagraphs below. For additional ProSTUD thicknesses to meet nonstandard specifications see: www.clarkdietrich.com.

d.Member Description: ProSTUD 25 (25 EQ) 50 ksi.

1)Minimum Base-Steel Thickness: 0.0150 inches (0.3810 mm).

2)Minimum Design Thickness: 0.0158 inches (0.4013 mm).

e.Member Description: ProSTUD 20 (20 EQ) 65 ksi.

1)Minimum Base-Steel Thickness: 0.0190 inches (0.4826 mm).

2)Minimum Design Thickness: 0.0200 inches (0.5080 mm).

f.Member Description: ProSTUD 30 mil (20 DW) 33 ksi.

1)Minimum Base-Steel Thickness: 0.0296 inches (0.7518 mm).

2)Minimum Design Thickness: 0.0312 inches (0.7925 mm).

g.Member Description: ProSTUD 33 mil (20 STR) 33 ksi.

1)Minimum Base-Steel Thickness: 0.0329 inches (0.8382 mm).

2)Minimum Design Thickness: 0.0346 inches (0.8788 mm).

3.Non-Structural Track: Cold-Formed galvanized steel runner tracks in conformance with ASTM C 645 for conditions indicated below:

a.Basis-of-Design Product: Subject to compliance with requirements provide ClarkDietrich Building Systems; ProTRAK drywall track, or a comparable product from one of the members of the SFIA:

1)<Insert manufacturer's name>.

b.Flange Size: 1-1/4 inch (32 mm).

c.Web Depth: Track web to match stud web size.

d.Minimum Base-Steel Thickness: Track thickness to match wall stud thickness or as per design.

4."EQ" (Equivalent Gauge Thickness) Steel Studs and Runners: Members that can show certified third party testing with gypsum board in accordance with ICC ES AC86 (Approved May 2012) need not meet the minimum thickness limitation or minimum section properties set forth in ASTM C 645. The submission of an evaluation report is acceptable to show conformance to this requirement.

5.Hat-Shaped, Rigid Furring Channels: ASTM C 645, 7/8 inch (22 mm) deep.

a.Minimum Base-Steel Thickness: [As indicated on Drawings] [0.0179 inch (0.455 mm)] [0.0296 inch (0.752 mm)] .

6.Resilient Furring Channels: 1/2-inch- (13-mm-) deep members designed to reduce sound transmission.

a.Basis-of-Design Product: Subject to compliance with requirements, provide ClarkDietrich Building Systems; RC Deluxe (RCSD) Resilient Channel, or a comparable product by one of the following:

1)<Insert manufacturer's name>.

b.Configuration: Asymmetrical.

Grid suspension systems are suitable for use with gypsum board. They might be unacceptable for gypsum veneer plaster; consult gypsum veneer plaster and grid suspension system manufacturers.

G.Grid Suspension System for Gypsum Board Ceilings: ASTM C 645, direct-hung system composed of main beams and cross-furring members that interlock.

1.Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a.Armstrong World Industries, Inc.

b.Chicago Metallic Corporation.

c.United States Gypsum Company.

d..

2.4AUXILIARY MATERIALS

A.General: Provide auxiliary materials that comply with referenced installation standards.

1.Fasteners for Metal Framing: Of type, material, size, corrosion resistance, holding power, and other properties required to fasten steel members to substrates.

B.Isolation Strip at Exterior Walls: Provide[ one of] the following:

Retain "Asphalt-Saturated Organic Felt" and "Foam Gasket" subparagraphs below and option in "Isolation Strip at Exterior Walls" Paragraph above to allow Contractor to choose type of isolation strip.

1.Asphalt-Saturated Organic Felt: ASTM D 226/D 226M, Type I (No. 15 asphalt felt), nonperforated.

2.Foam Gasket: Adhesive-backed, closed-cell vinyl foam strips that allow fastener penetration without foam displacement, 1/8 inch (3.2 mm) thick, in width to suit steel stud size.

C.Drywall Penetration Barrier Mesh: Supply and install Barrier Mesh steel expanded metal panels as a penetration barrier behind gypsum wallboard walls and/or ceilings, where noted on the drawings.

1.Basis-of-Design Product: Subject to compliance with requirements, provide Barrier Mesh supplied by ClarkDietrich Building Systems [BM75-9F Maximum Security] [BM50-13F Maximum Security] [BM15-9F Medium Security] [BM75-13F Medium Security] [BM10-16F Minimum Security], or a comparable product from one of the members of the SFIA:

a.<Insert manufacturer's name>.

2.The finished shape of the mesh openings shall be a flattened diamond, per ASTM F 1267, Style 2.

3.ClarkDietrich Barrier Mesh Clips: Barrier Mesh shall be attached to framing members using ClarkDietrich Barrier Mesh Clips and the appropriate threaded fasteners.

a.For steel framing install a flat head bugle type self-tapping fine thread screw long enough to penetrate the framing member a minimum of 3/8 inch (9.5 mm).

b.For wood framing applications install a 1-5/8 inch (42 mm) fine thread drywall screw allowing the fastener to penetrate the framing member at least 1-1/2 inches (38 mm).

c.In ceiling applications ClarkDietrich BM-Clips shall be spaced a minimum of 6 inches (152 mm) or 12 inches (305 mm) along ceiling joists.

Insert additional auxiliary materials, such as partition and outlet box isolation pads to maintain acoustic isolation, here.

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