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HomeMy WebLinkAbout05 40 00 - Cold-Formed Steel Framing05 40 00 - 1 Midtown West 17070 Carmel, Indiana September 15, 2017Kokomo, Indiana SECTION 05 40 40 – COLD-FORMED STEEL FRAMING PART 1 - GENERAL 1.1 SUMMARY A. Section Includes: 1. Exterior non-load-bearing wall framing. 2. Soffit framing. 1.2 ACTION SUBMITTALS A. Product Data: For each type of cold-formed steel framing product and accessory. B. Delegated-Design Submittal: For installed products indicated to comply with perfor- mance requirements and design criteria, including analysis data signed and sealed by the qualified professional engineer responsible for their preparation. C. Shop Drawings: 1. Include layout, spacings, sizes, thicknesses, and types of cold-formed steel fram- ing; fabrication; and fastening and anchorage details, including mechanical fas- teners. 2. Indicate reinforcing channels, opening framing, supplemental framing, strapping, bracing, bridging, splices, accessories, connection details, and attachment to ad- joining work. 3. For cold-formed metal framing indicated to comply with design loads, include structural analysis data signed and sealed by the qualified professional engineer responsible for their preparation. 4. Engineer structural gravity and lateral reactions from openings through structural studs and resolve to primary structure. A. UL Assemblies: Provide assembly numbers designations from UL's "Fire Resistance Di- rectory." or GA-600, "Fire Resistance Design Manual" and associated information for each wall type where cold formed metal framing is used in a rated assembly. 1.3 INFORMATIONAL SUBMITTALS A. Qualification Data: For testing agency. B. Qualification Data: For firms and persons specified in "Quality Assurance" Article to demonstrate their capabilities and experience. Include lists of completed projects with project names and addresses, names and addresses of architects and owners, and other information specified. C. Welding certificates for field welds. 05 40 00 - 2 Midtown West 17070 Carmel, Indiana September 15, 2017Kokomo, Indiana D. Mill certificates signed by steel sheet producer indicating steel sheet complies with re- quirements. E. Product Test Reports: For each listed product, for tests performed by manufacturer and witnessed by a qualified testing agency or a qualified testing agency. 1. Steel sheet. 2. Expansion anchors. 3. Power-actuated anchors. 4. Mechanical fasteners. 5. Vertical deflection clips. 6. Horizontal drift deflection clips 7. Miscellaneous structural clips and accessories. F. Evaluation Reports: For non-standard cold-formed steel framing, from ICC-ES. Connec- tion products shall have a valid ICC-ES report or equivalent complying with ICC Ac- ceptance Criteria AC 261. 1.4 QUALITY ASSURANCE A. Testing Agency Qualifications: Qualified according to ASTM E 329 for testing indicated. B. Installer Qualifications: An experienced installer who has completed cold-formed metal framing similar in material, design, and extent to that indicated for this Project and whose work has resulted in construction with a record of successful in-service performance. C. Engineering Responsibility: Engage a qualified professional engineer to prepare design calculations, Shop Drawings, and other structural data. D. Professional Engineer Qualifications: A professional engineer who is legally qualified and licensed to practice in jurisdiction where Project is located and who is experienced in providing engineering services of the kind indicated. Engineering services are defined as those performed for installations that are similar to those indicated for this Project in ma- terial, design, and extent. E. Product Tests: Mill certificates or data from a qualified independent testing agency, or in- house testing with calibrated test equipment indicating steel sheet complies with require- ments, including base-metal thickness, yield strength, tensile strength, total elongation, chemical requirements, and metallic-coating thickness. F. Welding Qualifications: Qualify procedures and personnel according to the following: 1. AWS D1.1, "Structural Welding Code - Steel." 2. AWS D1.3, "Structural Welding Code - Sheet Steel." 1.5 DELIVERY, STORAGE, AND HANDLING A. Protect cold-formed steel framing from corrosion, moisture staining, deformation, and other damage during delivery, storage, and handling. 05 40 00 - 3 Midtown West 17070 Carmel, Indiana September 15, 2017Kokomo, Indiana PART 2 - PRODUCTS 2.1 MANUFACTURERS A. Manufacturers: Subject to compliance with requirements, provide products by one of the following : 1. Clark Dietrick Building Systems, Inc. 2. Custom Stud Inc. 3. MarinoWARE. 4. SCAFCO Corporation. 5. Steel Network, Inc. (The). 6. Super Stud Building Products, Inc. 7. Telling Industries, LLC. 2.2 PERFORMANCE REQUIREMENTS A. Delegated Design: Design cold formed metal framing system, including comprehensive engineering analysis by a qualified professional engineer, licensed in the state the project is located, using performance requirements and design criteria indicated. B. Coordination with Drawings: 1. Framing member depths indicated on Drawings are minimum allowed member depths. 2. Framing member spacing indicated on Drawings are maximum allowed on-center spacing. 3. Member thicknesses (gages) indicated on Drawings are minimum allowed mem- ber thicknesses. 4. The use of kickers to reduce the effective vertical span of any member are al- lowed provided that the kickers are completely concealed above finished ceilings and are not in conflict with any mechanical, electrical, plumbing, fire protection, or building structural system. C. Structural Performance: Provide cold-formed steel framing capable of withstanding de- sign loads within limits and under conditions indicated. 1. Design Loads: As indicated on Structural Drawings. a. Opening Loads: As indicated on approved opening systems shop draw- ings and structural connection calculations. 2. Deflection Limits: Design framing systems to withstand design loads without de- flections greater than the following: a. Exterior Non-Load-Bearing Framing for Masonry Back-up: Horizontal deflection of 1/600 of the wall height. b. Exterior Non-Load-Bearing Framing: Horizontal deflection of 1/360 of the wall height. c. Interior Non-Load-Bearing Wall Framing: Horizontal deflection of 1/360 of tahe wall height undera horizontal load of 5 lbf/sq.ft. 05 40 00 - 4 Midtown West 17070 Carmel, Indiana September 15, 2017Kokomo, Indiana 3. Design framing systems to provide for movement of framing members located outside the insulated building envelope without damage or overstressing, sheath- ing failure, connection failure, undue strain on fasteners and anchors, or other detrimental effects when subject to a maximum ambient temperature change of 120 deg F. 4. Design framing system to maintain clearances at openings, to allow for construc- tion tolerances, and to accommodate live load deflection of primary building structure as follows: a. Upward and downward movement of 3/4 inch (13 mm). 5. Design framing system supporting openings to carry the full dead and live loads. Resolve all loads back to the primary structure. 6. Design exterior non-load-bearing wall framing to accommodate horizontal deflec- tion without regard for contribution of sheathing materials. D. Cold-Formed Steel Framing Design Standards: 1. Floor and Roof Systems: AISI S210. 2. Wall Studs: AISI S211. 3. Headers: AISI S212. 4. Lateral Design: AISI S213. E. AISI Specifications and Standards: Unless more stringent requirements are indicated, comply with AISI S100 and AISI S200. F. Fire-Resistance Ratings: Comply with ASTM E 119; testing by a qualified testing agency. Identify products with appropriate markings of applicable testing agency. 2.3 COLD-FORMED STEEL FRAMING, GENERAL A. Steel Sheet: ASTM A 1003, Structural Grade, Type H, metallic coated, of grade and coating weight as follows: 1. Grade: ST33H or ST50H as required by structural perfor- mance . 2. Coating: G90 or equivalent . B. Steel Sheet for Vertical Deflection Clips: ASTM A 653, structural steel, zinc coated, of grade and coating as follows: 1. Grade: 33. 2. Coating: G90. 2.4 EXTERIOR NON-LOAD-BEARING WALL FRAMING A. Steel Studs: Manufacturer's standard C-shaped steel studs, of web depths indicated, punched, with stiffened flanges, and as follows: 1. Minimum Base-Metal Thickness: 0.0451 inch minimum (18 gage). . 2. Flange Width: 1-5/8 inches minimum. B. Steel Track: Manufacturer's standard U-shaped steel track, of web depths indicated on Drawings, unpunched, with unstiffened flanges, and as follows: 1. Minimum Base-Metal Thickness: 0.0451 inch minimum. (18 gage). 05 40 00 - 5 Midtown West 17070 Carmel, Indiana September 15, 2017Kokomo, Indiana 2. Flange Width: 1-1/4 inches. C. Vertical Deflection Clips: Manufacturer's standard bypass and head clips, capable of accommodating upward and downward vertical displacement of primary structure and horizontal adjustment capable of accommodating construction tolerances of supporting structural system, through positive mechanical attachment to stud web. 1. Manufacturers: Subject to compliance with requirements, provide products by one of the following : a. AllSteel & Gypsum Products, Inc. b. ClarkWestern Building Systems, Inc. c. Dietrich Metal Framing; a Worthington Industries company. d. MarinoWARE. e. SCAFCO Corporation. f. Steel Network, Inc. (The). g. Steeler, Inc. 2. Proprietary clip systems of listed manufacturers complying with structural and performance requirements are acceptable. D. Single Deflection Track: Manufacturer's single, deep-leg, U-shaped steel track; un- punched, with unstiffened flanges, of web depth to contain studs while allowing free verti- cal movement, with flanges designed to support horizontal loads and transfer them to the primary structure, and as follows: 1. Minimum Base-Metal Thickness: 0.0451 inch (18 gage). 2. Flange Width: 3 inches minimum. 3. Tracks relying on steel flexure to perform are unacceptable. E. Double Deflection Tracks: Manufacturer's double, deep-leg, U-shaped steel tracks, con- sisting of nested inner and outer tracks; unpunched, with unstiffened flanges. 1. Outer Track: Of web depth to allow free vertical movement of inner track, with flanges designed to support horizontal loads and transfer them to the primary structure, and as follows: a. Minimum Base-Metal Thickness: 0.0451 inch (18 gage). b. Flange Width: 3 inch minimum. 2. Inner Track: Of web depth indicated, and as follows: a. Minimum Base-Metal Thickness: 0.0451 inch (18 gage). b. Flange Width: 3-1/2 inches minimum. 3. Tracks relying on steel flexure to perform are unacceptable. F. Opening Support Track: 1. Minimum Base Metal Thickness: As determined by engineering calculation to support gravity and lateral loads but in no case shall be less than 0.0538 inch (1.37 mm) (16 gage). 2. Flange Width: 3 inch minimum. 3. Corner Clips: Provide corner clips at all opening track corners of equal thickness to track. 05 40 00 - 6 Midtown West 17070 Carmel, Indiana September 15, 2017Kokomo, Indiana 4. Track reinforcements, structural angles, gage metal angles, web stiffeners, clips, studs and braces: As determined by structural stud system engineer. 2.5 FRAMING ACCESSORIES A. Fabricate steel-framing accessories from steel sheet, ASTM A 1003, Structural Grade, Type H, metallic coated, of same grade and coating weight used for framing members with a minimum yield strength of 33,000 psi and as indicated on Shop Draw- ings. B. Provide accessories of manufacturer's standard thickness and configuration, unless oth- erwise indicated, as follows: 1. Supplementary framing. 2. Bracing, bridging, and solid blocking. 3. Web stiffeners. 4. Anchor clips. 5. End clips. 6. Foundation clips. 7. Gusset plates. 8. Stud kickers and knee braces. 9. Hole reinforcing plates. 10. Backer plates. 2.6 ANCHORS, CLIPS, AND FASTENERS A. Steel Shapes and Clips: ASTM A 36, zinc coated by hot-dip process according to ASTM A 123. B. Anchor Bolts: ASTM F 1554, Grade 36 minimum, threaded carbon-steel headless, hooked bolts and carbon-steel nuts; and flat, hardened-steel washers; zinc coated by hot-dip process according to ASTM A 153, Class C. C. 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 conducted by a qualified testing agency. D. Power-Actuated Anchors: Fastener system of type suitable for application indicated, fab- ricated from corrosion-resistant materials, with allowable load capacities calculated ac- cording to ICC-ES AC70, greater than or equal to the design load, as determined by test- ing per ASTM E 1190 conducted by a qualified testing agency. E. Mechanical Fasteners: ASTM C 1513, corrosion-resistant-coated, self-drilling, self- tapping, steel drill screws. 1. Head Type: Low-profile head beneath sheathing, manufacturer's standard else- where. F. Welding Electrodes: Comply with AWS standards. 2.7 MISCELLANEOUS MATERIALS A. Galvanizing Repair Paint: ASTM A 780. B. Cement Grout: Portland cement, ASTM C 150, Type I; and clean, natural sand, 05 40 00 - 7 Midtown West 17070 Carmel, Indiana September 15, 2017Kokomo, Indiana ASTM C 404. Mix at ratio of 1 part cement to 2-1/2 parts sand, by volume, with minimum water required for placement and hydration. C. Nonmetallic, Nonshrink Grout: Premixed, nonmetallic, noncorrosive, nonstaining grout containing selected silica sands, portland cement, shrinkage-compensating agents, and plasticizing and water-reducing agents, complying with ASTM C 110, with fluid consistency and 30-minute working time. D. Shims: Load bearing, high-density multimonomer plastic, and nonleaching; or of cold- formed steel of same grade and coating as framing members supported by shims. E. Sealer Gaskets: Closed-cell neoprene foam, 1/4 inch thick, selected from manufacturer's standard widths to match width of bottom track or rim track members. 2.8 FABRICATION A. Fabricate cold-formed steel framing and accessories plumb, square, and true to line, and with connections securely fastened, according to referenced AISI's specifications and standards, manufacturer's written instructions, and requirements in this Section. 1. Fabricate framing assemblies using jigs or templates. 2. Cut framing members by sawing or shearing; do not torch cut. 3. Fasten cold-formed steel framing members by welding, screw fastening, clinch fastening, pneumatic pin fastening, or riveting as standard with fabricator. Wire tying of framing members is not permitted. a. Comply with AWS D1.3 requirements and procedures for welding, appearance and quality of welds, and methods used in correcting weld- ing work. b. Locate mechanical fasteners and install according to Shop Drawings, with screw penetrating joined members by no fewer than three exposed screw threads. 4. Fasten other materials to cold-formed steel framing by welding, bolting, pneumat- ic pin fastening, or screw fastening, according to Shop Drawings. B. Reinforce, stiffen, and brace framing assemblies to withstand handling, delivery, and erection stresses. Lift fabricated assemblies to prevent damage or permanent distortion. C. Fabrication Tolerances: Fabricate assemblies level, plumb, and true to line to a maxi- mum allowable tolerance variation of 1/8 inch in 10 feet (1:960) and as follows: 1. Spacing: Space individual framing members no more than plus or minus 1/8 inch from plan location. Cumulative error shall not exceed minimum fastening requirements of sheathing or other finishing materials. 2. Squareness: Fabricate each cold-formed steel framing assembly to a maximum out-of-square tolerance of 1/8 inch. PART 3 - EXECUTION 3.1 EXAMINATION A. Examine supporting substrates and abutting structural framing for compliance with re- quirements for installation tolerances and other conditions affecting performance of the Work. 05 40 00 - 8 Midtown West 17070 Carmel, Indiana September 15, 2017Kokomo, Indiana B. Proceed with installation only after unsatisfactory conditions have been corrected. 3.2 PREPARATION A. Before sprayed fire-resistive materials are applied, attach continuous angles, supplemen- tary framing, or tracks to structural members indicated to receive sprayed fire-resistive materials. B. After applying sprayed fire-resistive materials, remove only as much of these materials as needed to complete installation of cold-formed framing without reducing thickness of fire- resistive materials below that are required to obtain fire-resistance rating indicated. Pro- tect remaining fire-resistive materials from damage. C. Install load bearing shims or grout between the underside of load-bearing wall bottom track and the top of foundation wall or slab at locations with a gap larger than 1/4 inch (6 mm) to ensure a uniform bearing surface on supporting concrete or masonry construc- tion. D. Install sealer gaskets at the underside of wall bottom track or rim track and at the top of foundation wall or slab at stud or joist locations at exterior walls of non-load bearing walls. 3.3 INSTALLATION, GENERAL A. Cold-formed steel framing may be shop or field fabricated for installation, or it may be field assembled. B. Install cold-formed steel framing according to AISI S200 and to manufacturer's written in- structions unless more stringent requirements are indicated. C. Install shop- or field-fabricated, cold-formed framing and securely anchor to supporting structure. 1. Screw, bolt, or weld wall panels at horizontal and vertical junctures to produce flush, even, true-to-line joints with maximum variation in plane and true position between fabricated panels not exceeding 1/16 inch (1.6 mm). D. Install cold-formed steel framing and accessories plumb, square, and true to line, and with connections securely fastened. 1. Cut framing members by sawing or shearing; do not torch cut. 2. Fasten cold-formed steel framing members by welding, screw fastening, clinch fastening, or riveting. Wire tying of framing members is not permitted. a. Comply with AWS D1.3 requirements and procedures for welding, appearance and quality of welds, and methods used in correcting weld- ing work. b. Locate mechanical fasteners and install according to Shop Drawings, and complying with requirements for spacing, edge distances, and screw penetration. E. Install framing members in one-piece lengths unless splice connections are indicated for track or tension members. F. Install temporary bracing and supports to secure framing and support loads comparable in intensity to those for which structure was designed. Maintain braces and supports in place, undisturbed, until entire integrated supporting structure has been completed and 05 40 00 - 9 Midtown West 17070 Carmel, Indiana September 15, 2017Kokomo, Indiana permanent connections to framing are secured. G. Do not bridge building expansion joints with cold-formed steel framing. Independently frame both sides of joints. H. Install insulation, specified in Division 07 Section "Thermal Insulation," in built-up exterior framing members, such as headers, sills, boxed joists, and multiple studs at openings, that are inaccessible on completion of framing work. I. Fasten hole reinforcing plate over web penetrations that exceed size of manufacturer's approved or standard punched openings. J. Erection Tolerances: Install cold-formed steel framing level, plumb, and true to line to a maximum allowable tolerance variation of 1/8 inch in 10 feet (1:960) and as follows: 1. Space individual framing members no more than plus or minus 1/8 inch from plan location. Cumulative error shall not exceed minimum fastening re- quirements of sheathing or other finishing materials. 3.4 EXTERIOR NON-LOAD-BEARING WALL INSTALLATION A. Install continuous tracks sized to match studs. Align tracks accurately and securely an- chor to supporting structure as indicated. B. Fasten both flanges of studs to top and bottom track unless otherwise indicated. Space studs as follows: C. Set studs plumb, except as needed for diagonal bracing or required for nonplumb walls or warped surfaces and similar requirements. D. Isolate non-load-bearing steel framing from building structure to prevent transfer of verti- cal loads while providing lateral support. 1. Install single deep-leg deflection tracks and anchor to building structure. 2. Install double deep-leg deflection tracks and anchor outer track to building struc- ture. 3. Mechanically fasten vertical deflection clips to studs and anchor to building structure. 4. Connect drift clips to cold-formed metal framing and anchor to building structure. E. Install horizontal bridging in wall studs, spaced vertically in rows indicated on Shop Draw- ings . Fasten at each stud intersection. 1. Top Bridging for Deflection Track: Install row of horizontal bridging within 12 inches of single deflection track. Install a combination of bridging and stud or stud-track solid blocking of width and thickness matching studs, secured to stud webs or flanges. F. Install miscellaneous framing and connections, including stud kickers, web stiffeners, clip angles, continuous angles, anchors, and fasteners, to provide a complete and stable wall-framing system. 3.5 FIELD QUALITY CONTROL A. Testing: Owner will engage a qualified independent testing and inspecting agency to per- form field tests and inspections and prepare test reports. 05 40 00 - 10 Midtown West 17070 Carmel, Indiana September 15, 2017Kokomo, Indiana B. Field welds will be subject to testing and inspecting. C. Testing agency will report test results promptly and in writing to Contractor and Architect. D. Remove and replace work where test results indicate that it does not comply with speci- fied requirements. E. Additional testing and inspecting, at Contractor's expense, will be performed to determine compliance of replaced or additional work with specified requirements. 3.6 REPAIRS AND PROTECTION A. Galvanizing Repairs: Prepare and repair damaged galvanized coatings on fabricated and installed cold-formed steel framing with galvanized repair paint according to ASTM A 780 and manufacturer's written instructions. B. Provide final protection and maintain conditions, in a manner acceptable to manufacturer and Installer, that ensure that cold-formed steel framing is without damage or deteriora- tion at time of Substantial Completion. END OF SECTION