Non-Load-Bearing Wall Framing
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SECTION 09 22 16
NON-LOAD-BEARING WALL FRAMING
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Copyright 2009 - 2015 ARCAT, Inc. - All rights reserved
1 GENERAL
1.1 SECTION INCLUDES
1.1.1 Interior non-load-bearing steel stud walls.
1.1.2 Shaftwall framing.
1.1.3 Bridging, bracing, clips and other accessories.
1.2 RELATED SECTIONS
1.2.1 Section 09 20 00 - Plaster and Gypsum Board.
1.2.2 Section 09 26 13 - Gypsum Veneer Plastering.
1.2.3 Section 09 26 00 - Veneer Plastering.
1.2.4 Section 09 29 00 - Gypsum Board.
1.2.5 Section 09 21 16 - Gypsum Board Shaft Wall Assemblies.
1.3 REFERENCES
1.3.1 AISI - NASPEC: 2004 North American Specification (NASPEC) for the Design of Cold-Formed Steel Structural Members.
1.3.2 AISI/COS 2004 - Standard for Cold-Formed Steel Framing - Prescriptive Method for One and Two Story Family Dwelling. 09 22 16-1 1.3.3 AISI - Standard for Cold-Formed Steel Framing General Provisions.
1.3.4 ASTM A 653-08 - Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy Coated (Galvannealed) by the Hot-Dip Process.
1.3.5 ASTM A 780 - Standard Practice for Repair of Damaged and Uncoated Areas of Hot-Dip Galvanized Coatings
1.3.6 ASTM A 1003-08 - Standard Specification for Steel Sheet, Carbon, Metallic- and Nonmetallic- Coated for Cold-Formed Framing Members.
1.3.7 ASTM C 645-08 - Standard Specification for Nonstructural Steel Framing Members
1.3.8 ASTM C 754-08 - Standard Specification for Installation of Steel Framing Members to Receive Screw-Attached Gypsum Panel Products.
1.3.9 ASTM C 955-08 - Standard Specification for Load-Bearing (Transverse and Axial) Steel Studs, Runners (Tracks), and Bracing or Bridging for Screw Application of Gypsum Panel Products and Metal Plaster Bases.
1.3.10 ASTM C 1007-04 - Standard Specification for Installation of Load Bearing (Transverse and Axial) Steel Studs and Related Accessories.
1.3.11 ASTM C 1513 - Standard Specification for Steel Tapping Screws for Cold-Formed Steel Framing Connections.
1.3.12 ASTM E 84 - Standard Test Method for Surface Burning Characteristics of Building Materials.
1.3.13 ASTM E 119 - Standard Test Methods for Fire Tests of Building Construction and Materials.
1.3.14 ASTM E 413 - Classification for Rating Sound Insulation.
1.3.15 GA-600-06 - Gypsum Association Fire Resistance Design Manual
1.3.16 IBC-2006 - International Building Code 2006 Edition.
1.4 DESIGN REQUIREMENTS
1.4.1 Design steel in accordance with American Iron and Steel Institute 2004' Publication "Specification for the Design of Cold-Formed Steel Structural Members" (2004 AISI-NASPEC) except as otherwise shown or specified.
1.4.2 Design steel in accordance with 2006 International Building Code (IBC 2006), except as otherwise shown.
1.4.3 Design Loads: 09 22 16-2 1.4.3.1 Non Load-Bearing Design Load 1.4.3.1.1 As indicated on the Architectural Drawings or 5 PSF minimum design lateral load is required for interior walls by building code. Shaftwall Framing minimum design lateral load is typically 5-15 PSF.
1.4.4 Design framing systems to withstand design loads without deflections greater than the following: 1.4.4.1 Interior Non Load-Bearing Walls: Lateral deflection of L/120 1.4.4.2 Interior Non Load-Bearing Walls: Lateral deflection of L/180 1.4.4.3 Interior Non Load-Bearing Walls: Lateral deflection of L/240 1.4.4.4 Interior Non Load-Bearing Walls: Lateral deflection of L/360
1.4.5 Design framing systems to provide for movement of framing members without damage or overstressing, sheathing failure, connection failure, undue strain on fasteners and anchors, or other detrimental effects when subject to a maximum ambient temperature change (range) of 67 degrees C (120 degrees F).
1.4.6 Design framing system to accommodate deflection of primary building structure and construction tolerances.
1.4.7 Design exterior non-load-bearing curtain wall framing to accommodate lateral deflection without regard to contribution of sheathing materials.
1.4.8 Fire Response Characteristics for fire-resistance rated assemblies that incorporate non-load bearing steel framing: 1.4.8.1 Provide materials and construction in accordance with the Gypsum Association Fire Resistance Design Manual GA-600-06 and/or the Gypsum Board manufacturer's recommendations resulting from fire test ASTM E119.
1.4.9 Sound Transmission Characteristics (STC): For Gypsum Assemblies that incorporate non load- bearing steel framing with STC rating requirements: 1.4.9.1 Provide materials and construction in accordance with the Gypsum association Fire Resistance Design Manual GA-600-06 and/or the Gypsum Board Manufacture's recommendations resulting from sound tests performed in accordance to ASTM E 90 or ASTM E 336.
1.5 SUBMITTALS
1.5.1 Submit under provisions of Section 01 30 00.
1.5.2 Product Data: Submit Manufacturer's literature, data sheets on each product to be used, including: 1.5.2.1 Manufacturer to provide independent third party certification documentation, demonstrating product compliance with current building codes and standards 1.5.2.1.1 09 22 16-3 Example: ICC Evaluation Service Report. 1.5.2.2 Preparation instructions and recommendations. 1.5.2.3 Storage and handling requirements and recommendations. 1.5.2.4 Installation methods.
1.5.3 Shop Drawings: Provide plan, section, elevation and perspective drawings as required to note the following: 1.5.3.1 Size, spacing and location of framing members, wall framing sections and opening elevations. 1.5.3.2 Framing member fastening requirements: Show connection details with screw types and locations, weld lengths and locations and other fastener requirements. 1.5.3.3 Details of vertical deflection connections to structures. 1.5.3.4 Structural bracing location and spacing.
1.5.4 Verification Samples: For each finish product specified, two samples representing each product specified.
1.6 QUALITY ASSURANCE
1.6.1 Manufacturer Qualifications: All primary products specified in this section will be supplied by a single manufacturer with a minimum of Five (5) years experience. 1.6.1.1 All primary products specified in this section will be supplied by a single manufacturer with a minimum of Five (5) years experience. 1.6.1.2 All primary products supplied by manufacture to carry Independent Third Party Certification of product compliance with current building codes and standards. 1.6.1.2.1 Example: ICC Evaluation Service Report 1.6.1.3 Manufacturer shall be a member of SSMA "The Steel Stud Manufactures Association".
1.6.2 Installer Qualifications: All products listed in this section are to be installed by a single installer with a minimum of five (5) years demonstrated experience in installing products of the same type and scope as specified.
1.6.3 Contractor shall provide effective, full time quality control over all fabrication and erection complying with pertinent codes and regulations of government agencies having jurisdiction.
1.6.4 Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship. 1.6.4.1 Finish areas designated by Architect. 1.6.4.2 Do not proceed with remaining work until workmanship, color, and sheen are approved by Architect. 1.6.4.3 Refinish mock-up area as required to produce acceptable work. 09 22 16-4 1.7 DELIVERY, STORAGE, AND HANDLING
1.7.1 Store products in manufacturer's unopened packaging until ready for installation.
1.7.2 Store and dispose of hazardous materials, and materials contaminated by hazardous materials, in accordance with requirements of local authorities having jurisdiction.
1.7.3 Store materials protected from exposure to rain, snow or other harmful weather conditions, at temperature and humidity conditions per the recommendations of ASTM C 955-06.
1.8 PROJECT CONDITIONS
1.8.1 Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's absolute limits.
1.9 WARRANTY
1.9.1 At project closeout, provide to Owner or Owners Representative an executed copy of the manufacturer's standard limited warranty against manufacturing defect, outlining its terms, conditions, and exclusions from coverage.
2 PRODUCTS
2.1 MANUFACTURERS
2.1.1 Acceptable Manufacturer: 2.1.1.1 Telling Industries, LLC.; 6272 Center Street; Mentor, Ohio 44060 Tel: 440-974- 3370; Fax 440-974-3408; E-mail: [email protected]; Web; www.tellingindustries.com 2.1.1.2 Telling Industries; 2105 Larrick Road, Cambridge, OH 43725. ASD. Tel: (740) 435- 8900. Fax:(740) 435-8915. E-mail: [email protected] . Web: www.tellingindustries.com 2.1.1.3 Telling Industries; 1400 Southwire Road; Osceola, Arkansas 72370; Te1: 1-866- 357-8837 2.1.1.4 Telling Industries; 4425 Windrose Lane; Kingman, Arizona 86401; Te1: 1-866-357- 8837
2.1.2 Substitutions: Not permitted.
2.1.3 Requests for substitutions will be considered in accordance with provisions of Section 01 60 00.
2.2 MATERIALS - STEEL
2.2.1
09 22 16-5 Coatings: Galvanized Steel Meeting or Exceeding the Requirements of ASTM A 1003-08. 2.2.1.1 Non Load-Bearing Steel Coating: Galvanized G40 minimum coating; complying with ASTM C 645-08 minimums. 2.2.1.2 Non Load-Bearing Steel Coating: Galvanized G-60 minimum coating. 2.2.1.3 Non Load Bearing Steel Coating: Galvanized G-90 minimum coating.
2.2.2 Yield Strength: 2.2.2.1 Framing elements manufactured from galvanized steel ranging from18-43 mills (25Ga-18Ga) thickness must be manufactured from 33ksi minimum steel. 2.2.2.2 Framing elements manufactured from galvanized steel ranging from 54-97 mills 16Ga-12Ga) thickness must be manufactured from 50ksi minimum steel.
2.2.3 Product Marking and Identification: 2.2.3.1 Manufacturer shall mark all pallets, units or crates with a clear skid label identifying the parts in accordance with SSMA guidelines. 2.2.3.2 Manufacturer shall mark individual members with ink-jet or other indelible process at 48 inches (1219mm) O.C. with: 2.2.3.2.1 Manufacturer's Name or trade initials. 2.2.3.2.2 Product description in accordance with SSMA guidelines. 2.2.3.2.3 Gauge. 2.2.3.2.4 Coating. 2.2.3.2.5 Yield Strength. 2.2.3.2.6 ICC-ESR#. 2.2.3.2.7 nufacturing location identifier.
2.3 DRYWALL FRAMING COMPONENTS
2.3.1 Drywall Studs: Roll formed channel shaped non-load-bearing galvanized steel C-studs with knurled outer flanges for use in interior drywall partitions. 2.3.1.1 Product Identification: ___S___-__ 2.3.1.2 Web Depth: 1 5/8 inch (41 mm) - 162 web. 2.3.1.3 Web Depth: 2 1/2 inch (64 mm) - 250 web. 2.3.1.4 Web Depth: 3 1/2 inch (89 mm) - 350 web. 2.3.1.5 Web Depth: 3 5/8 inch (92 mm) - 362 web. 2.3.1.6 Web Depth: 4 inch (102 mm) - 400 web. 2.3.1.7 Web Depth: 5 1/2 inch (104 mm) - 550 web. 2.3.1.8 09 22 16-6 Web Depth: 6 inch (152 mm) - 600 web. 2.3.1.9 Flange/Leg Height: 1 1/4 inch (32 mm) - 125 flange. 2.3.1.10 Design Thickness: 25 gauge/18 mils - 0.018 in. (0.46 mm) - 18 material thickness. 2.3.1.11 Design Thickness: 22 gauge/ 27 mils - 0.028 in. (0.71 mm) - 27 material thickness. 2.3.1.12 Design Thickness: 20 gauge/30 mils - 0.031 in. (0.79 mm) - 30 material thickness. 2.3.1.13 Design Thickness: 20 gauge/33 mils - 0.034 in. (0.84 mm) - 33 material thickness. 2.3.1.14 Design Thickness: As required by design. 2.3.1.15 Design Thickness: As indicated on drawings. 2.3.1.16 Punch Outs: Rectangular punch outs located 12 inches (305mm) from base and every 24 inches (610mm) thereafter. 2.3.1.17 Punch Outs: Keyhole punch outs located 12 inches (305mm) from base and every 24 inches (610mm) thereafter. 2.3.1.18 Minimum Yield Strength (Fy): 33ksi (227 MPa).
2.3.2 Drywall Track: Roll formed channel shaped galvanized steel track for use in interior partitions. 2.3.2.1 Product Identification: ___T___-__ 2.3.2.2 Track Type: Hemmed Track. 2.3.2.3 Track Type: High Leg Track. 2.3.2.4 Web Depth: 1 5/8 inch (41 mm) - 162 web. 2.3.2.5 Web Depth: 2 1/2 inch (64 mm) - 250 web. 2.3.2.6 Web Depth: 3 1/2 inch (89 mm) - 350 web. 2.3.2.7 Web Depth: 3 5/8 inch (92 mm) - 362 web. 2.3.2.8 Web Depth: 4 inch (102 mm) - 400 web. 2.3.2.9 Web Depth: 5 1/2 inch (104 mm) - 550 web. 2.3.2.10 Web Depth: 6 inch (152 mm) - 600 web. 2.3.2.11 Flange Length: 1 1/4 inch (32 mm) - 125 flange. 2.3.2.12 Flange Length: 1 1/2 inch (38 mm) - 150 flange. 2.3.2.13 Flange Length: 2 inch (51 mm) - 200 flange. 2.3.2.14 Design Thickness: 25 gauge/18 mils - 0.018 in. (0.46 mm) - 18 material thickness. 2.3.2.15 Design Thickness: 22 gauge/ 27 mils - 0.028 in. (0.71 mm) - 27 material thickness. 2.3.2.16 Design Thickness: 20 gauge drywall/30 mils - 0.031 in. (0.79 mm) - 30 material thickness. 2.3.2.17 Design Thickness: 20 gauge structural/ 33 mils - 0.034 in. (0.88 mm) - 33 material thickness. 09 22 16-7 2.3.2.18 Design Thickness: As required by design. 2.3.2.19 Design Thickness: As indicated on drawings. 2.3.2.20 Design Thickness: Track thickness to match wall stud thickness. 2.3.2.21 Minimum Yield Strength (Fy): 33ksi (227 MPa).
2.4 SHAFT WALL FRAMING COMPONENTS
2.4.1 C-T Stud: Roll formed galvanized steel studs for use in shaft wall construction. 2.4.1.1 Depth: 2 1/2 inch (64 mm). 2.4.1.2 Depth: 4 inch (102 mm). 2.4.1.3 Depth: 6 inch (152 mm). 2.4.1.4 Design Thickness: 20 gauge/ 33 mils - 0.034 in. (0.88 mm). 2.4.1.5 Design Thickness: 25 gauge/18 mils - 0.018 in. (0.46 mm).
2.4.2 J Track: Roll formed galvanized steel track for use in shaft wall construction. 2.4.2.1 Depth: 2 1/2 inch (64 mm). 2.4.2.2 Depth: 4 inch (102 mm). 2.4.2.3 Depth: 6 inch (152 mm). 2.4.2.4 Design Thickness: 20 gauge/ 33 mils - 0.034 in. (0.88 mm). 2.4.2.5 Design Thickness: 25 gauge/18 mils - 0.018 in. (0.46 mm).
2.4.3 Jamb Strut: 2.4.3.1 Depth: 2 1/2 inch (64 mm). 2.4.3.2 Depth: 4 inch (102 mm). 2.4.3.3 Depth: 6 inch (152 mm). 2.4.3.4 Design Thickness: 20 gauge/ 33 mils - 0.034 in. (0.88 mm). 2.4.3.5 Design Thickness: 25 gauge/18 mils - 0.018 in. (0.46 mm).
2.4.4 J-L Corner: Roll formed galvanized steel track for use in shaft wall construction. 2.4.4.1 Depth: 2 1/2 inch (64 mm). 2.4.4.2 Depth: 4 inch (102 mm). 2.4.4.3 Depth: 6 inch (152 mm). 2.4.4.4 Design Thickness: 20 gauge/ 33 mils - 0.034 in. (0.88 mm). 2.4.4.5
09 22 16-8 Design Thickness: 25 gauge/18 mils - 0.018 in. (0.46 mm).
2.5 NON-STRUCTURAL FRAMING ACCESSORIES
2.5.1 Drywall Furring Channel (DWFC): Accessory component for use furring out ceilings and masonry walls. Knurled face prevents screw "ride" when attaching gypsum wallboard. 2.5.1.1 Size: 7/8 inch (22mm). 2.5.1.2 Size: 1 1/2 inch (39mm). 2.5.1.3 Thickness: 25 gauge/18 mils - 0.018 in. (0.46 mm). 2.5.1.4 Thickness: 20 gauge/ 30 mils - 0.031 in. (0.79 mm). 2.5.1.5 Thickness: 18 gauge/ 43 mils - 0.0451 in. (1.15 mm). 2.5.1.6 Thickness: 16 gauge/ 54 mils - 0.0566 in. (1.44 mm).
2.5.2 Resilient Furring Channel (RC): For use as cross furring members for resilient attachment of gypsum wallboard or lath on ceilings and partitions. 2.5.2.1 Type: RC1 Single Leg. 2.5.2.2 Type: RC-2 Double Leg. 2.5.2.3 Thickness: 25 gauge/18 mils - 0.018 in. (0.46 mm).
2.5.3 Z-Furring Channel (ZFC): Designed to accommodate the installation of rigid insulation board while providing an attachment for drywall or other facing materials to the interior side of masonry or monolithic concrete walls. 2.5.3.1 Type: Z-100 - 1 inch (25mm). 2.5.3.2 Type: Z-150 - 1 1/2 inch (39mm). 2.5.3.3 Type: Z-200 - 2 inch (52mm).
2.5.4 Galvanized Cold Rolled Channel (CRC) 16 Ga. (54): For use bridging and bracing, and in conjunction with lath and plaster in partitions ceilings, columns and other specified framing locations. 2.5.4.1 Type: 75U050-54 - 3/4 inch (19mm) channel. 2.5.4.2 Type: 150U050-54 - 1 1/2 inch (39mm) channel. 2.5.4.3 Type: 200U050-54 - 2 inch (51mm) channel. 2.5.4.4 Type: 250U050-54 - 2 1/2 inch (64mm) channel.
2.5.5 Rolled Angles (RA): Galvanized steel angle stock. 2.5.5.1 Size: 1 1/2 inch x 1 1/2 inch (39mm x 39mm). 2.5.5.2 Size: 1 1/2 inch x 2 inch (39mm x 51mm). 2.5.5.3
09 22 16-9 Size: 2 inch x 2 inch (51mm x 51mm). 2.5.5.4 Size: 2 inch x 3 inch (51mm x 76mm). 2.5.5.5 Size: 3 inch x 3 inch (76mm x 76mm). 2.5.5.6 Thickness: 25 gauge/18 mils - 0.018 in. (0.46 mm). 2.5.5.7 Thickness: 20 gauge/ 30 mils - 0.031 in. (0.79 mm). 2.5.5.8 Thickness: 18 gauge/ 43 mils - 0.0451 in. (1.15 mm). 2.5.5.9 Thickness: 16 gauge/ 54 mils - 0.0566 in. (1.44 mm).
2.5.6 Flat Strapping (FS): For providing tension force resistance in shear wall assemblies. 2.5.6.1 Width: 2 inch (51mm). 2.5.6.2 Width: 4 inch (102mm). 2.5.6.3 Width: 6 inch (152mm). 2.5.6.4 Width 8 inch (203mm). 2.5.6.5 Thickness: 25 gauge/18 mils - 0.018 in. (0.46 mm). 2.5.6.6 Thickness: 20 gauge/ 30 mils - 0.031 in. (0.79 mm). 2.5.6.7 Thickness: 18 gauge/ 43 mils - 0.0451 in. (1.15 mm). 2.5.6.8 Thickness: 16 gauge/ 54 mils - 0.0566 in. (1.44 mm).
2.5.7 Drywall Corner Bead (DCB): 1 1/4 inch by 1 1/4 inch (32mm x 32mm) bead for durable protection at drywall outside corners.
2.5.8 Bead: Provides a finished edge at wallboard terminations. 2.5.8.1 Type: L-50 - 1/2 inch (13mm) L-Bead. 2.5.8.2 Type: L-62 - 5/8 inch (15mm) L-Bead. 2.5.8.3 Type: J-50 - 1/2 inch (13mm) J-Bead. 2.5.8.4 Type: J-62 - 5/8 inch (15mm) J-Bead.
2.5.9 Reveal Trim (RT): Provides edge protection around doors and windows or any partition junction openings. 2.5.9.1 Type: RT-50 - 1/2 inch (13mm) Trim. 2.5.9.2 Type: RT-62 - 5/8 inch (15mm) Trim.
2.5.10 093 Expansion Control Joint: Formed zinc panel provides expansion control for 1/4 inch (6mm) openings.
2.5.11 Fasteners: Self-drilling, self-tapping screws; complying with ASTM C 1513 - Standard
09 22 16-10 Specification for Steel Tapping Screws for Cold-Formed Steel Framing Connections.
2.5.12 Touch-up paint: Complying with ASTM A 780 - Standard Practice for Repair of Damaged and Uncoated Areas of Hot-Dipped Galvanized Coatings
3 EXECUTION
3.1 EXAMINATION
3.1.1 Do not begin installation until substrates have been properly prepared.
3.1.2 If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.
3.1.3 Verify that all rough-in utilities are located properly.
3.2 PREPARATION
3.2.1 Clean surfaces thoroughly prior to installation.
3.2.2 Prepare attachment surfaces so they are plumb, level and in proper alignment for accepting the cold formed framing members. Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
3.3 FABRICATION
3.3.1 Prior to fabrication of framing, submit shop drawings to the architect or engineer to obtain approval.
3.3.2 Framing components may be preassembled into panels prior to erecting. Prefabricate panels so they are square, with components attached in a manner which prevents racking and minimizes distortion during lifting and transport.
3.3.3 Fabrication Instructions: 3.3.3.1 Cut all framing components square for attachment to perpendicular members or as required for an angular fit against abutting members. 3.3.3.2 Plumb, align and securely attach studs to flanges of both upper and lower runners, except that in the case of interior, non-load bearing walls where studs need not be attached to upper or lower runners. 3.3.3.3 In all doubled jamb studs and doubled headers not accessible to insulation contractors, provide insulation equal to that specified elsewhere. 3.3.3.4 Splices in members other than top and bottom runner track are not permitted. 3.3.3.5 Provide temporary bracing where required, until erection is complete. 3.3.3.6 Handling and lifting of pre-fabricated panels shall be done in a manner so as not to
09 22 16-11 cause distortion in any manner.
3.4 ERECTION - NON-LOAD-BEARING WALL APPLICATIONS
3.4.1 Install cold-formed framing in accordance with ASTM C 754
3.4.2 Install in accordance with manufacturer's instructions.
3.4.3 Framing Installation: 3.4.3.1 Install framing components plumb, level and square, in strict accordance with approved drawings 3.4.3.2 Align floor and ceiling tracks; locate to layout and securely anchor to the supporting structure. 3.4.3.3 Align and plumb studs, and securely attach both upper and lower track legs to the flanges of the stud with approved fastener 3.4.3.4 Install jack studs or cripples below window sills, above door and window headers and elsewhere as required to provide lateral support. 3.4.3.5 Provide lateral bracing by use of wall sheathing and/or cold rolled channel or horizontal strapping. Bracing shall conform to Section D3 of AISI-NASPEC. 3.4.3.6 Provisions for vertical movement of supporting structure must be made at all locations noted on the Contract Documents and/or where indicated in the engineered drawings. 3.4.3.7 Handling and lifting of pre-fabricated panels shall be done in a manner so as not to cause distortion in any manner.
3.5 INSTALLATION - SHAFTWALL FRAMING; RUNNERS, STUDS AND LINER BOARDS
3.5.1 C-T Shaft Wall Installation: 3.5.1.1 Lay out Shaft Wall as indicated on construction drawings. 3.5.1.2 Securely Anchor Tabbed J-Track at floor and overhead with the longer leg facing the shaft side with an approved fastener. 3.5.1.3 Apply non-hardening, flexible sealant in a continuous application at the perimeter. 3.5.1.4 Space C-T Studs at 24 inches O.C. Plan the spacing at ends of Shaft Wall construction so end studs are minimum 12 inches from the ends. 3.5.1.5 Install the first Liner Board panel. The panel length shall be 3/4 inch less than the total height of the framed section. Plumb the panel against the web of the Tabbed Track and bend out tabs in Tabbed J-Track to secure the panel in place. 3.5.1.6 Cut C-T Studs 1/2" less than overall Wall Height. 3.5.1.7 Insert C-T Stud into the top and bottom Tabbed Track and fit tightly over the previously installed 1 inch panel. Allow equal clearance between track and stud at top and bottom J-Track. 3.5.1.8
09 22 16-12 Install the following 1 inch Liner Board panel inside the Tabbed J-Track and within the tabs of the CT Studs. 3.5.1.9 Install the remaining C-T studs and Liner Board panels in the same manner previously described above until the wall section is complete. 3.5.1.10 Install the final panel section at 12 inches O.C. utilizing the tabs of the Tabbed J- Track to secure the panel. 3.5.1.11 Where wall heights exceed the standard or available length of the Shaftwall Liner Board panels, the liner panels can be cut and stacked with joints occurring within the top or bottom third points of the wall height. Note: The shorter panels shall be minimum 24 inches long and of sufficient length to engage 2 studs. Note: Joints of adjacent panels should be staggered to avoid continuous horizontal joint, 3.5.1.12 For doors, ducts or other large penetrations or openings, install Jamb Strut as perimeter framing. Use 20-gauge track with a 3 inch back leg for elevator doors and block cavity. Install 12 inch wide gypsum filler strips for doors exceeding 7 foot height..
3.6 INSTALLATION - JOISTS
3.6.1 General Joist System Requirements 3.6.1.1 Install cold-formed framing in accordance with ASTM C 1007 3.6.1.2 Weld in compliance with AWS D.1.3 3.6.1.3 Install in compliance with applicable sections of AISI Standard for Cold-Formed Steel Framing General Provisions
3.6.2 Joist Installation: 3.6.2.1 Align joist bearing at foundation walls by means of shims and/or non-setting grout. 3.6.2.2 Locate joists or a load distribution member directly over bearing studs at the top of bearing walls. 3.6.2.3 Provide web stiffeners at reaction points and/or points of concentrated loads or where indicated on the drawings 3.6.2.4 Install joist bridging where indicated on the drawings. 3.6.2.5 Install additional joists under parallel partitions when the partition length exceeds one-half the joist span, also around all floor and roof openings, which interrupt one or more spanning members unless otherwise noted. 3.6.2.6 Install end blocking where joist ends are not otherwise restrained from rotation.
3.7 INSPECTION
3.7.1 The contractor will perform periodic inspections through all phases of construction to ensure strict conformance to Shop Drawings and Contract Documents.
3.7.2 Check all framing members for proper alignment, bearing, attachment and reinforcement.
3.7.3 09 22 16-13 Perform a general inspection of the structure prior to applying loads to the framing members.
3.7.4 Perform and/or allow controlled inspections as required by code bodies having jurisdiction.
3.7.5 The owner may hire and pay an inspection agency at their sole discretion.
3.8 PROTECTION
3.8.1 Protect installed products until completion of project.
3.8.2 Touch-up, repair or replace damaged products before Substantial Completion.
END OF SECTION
09 22 16-14