Originally Issued: 07/29/2014 Revised: 07/31/2018 Valid Through: 07/31/2019

Transcription

1 SCAFCO STEEL STUD MANUFACTURING CO. PRICELESS HEADER AND KWIK-JAMB SYSTEM CSI Section: Cold-Formed Metal Framing 1.0 RECOGNITION The Priceless Header and Kwik-Jamb System recognized in this report has been evaluated for use as a system of coldformed steel framing components. The structural properties of the header and jamb system were evaluated for compliance with the following codes: 2015 and 2012 International Building Code (IBC) 2016 California Building Code (CBC) supplement attached 2.0 LIMITATIONS Use of the SCAFCO Priceless Header and Kwik-Jamb System described in this report is subject to the following limitations: 2.1 Complete plans and design calculations demonstrating that applied loads are less than the allowable loads shall be submitted to the building official for approval. The calculations and details shall be prepared by a registered design professional where required by the statutes of the jurisdiction in which the project is to be constructed. 2.2 Spacing of the cripple studs attached to the Priceless HD or HDR Header shall be based on a design in accordance with the applicable code and shall not exceed 24 inches (610 mm). 2.3 The uncoated minimum base-metal thickness of coldformed steel framing members, as delivered to the jobsite, shall be at least 95 percent of the design thickness. 3.0 PRODUCT USE 3.1 General: The Priceless Header and Kwik-Jamb System provides lateral (out-of-plane) and vertical load support for cold-formed steel framing of wall openings, such as door and window openings, in both interior and exterior walls. The system complies with requirements for headers and studs in IBC Sections , , and [S100 and S200] 3.2 Design Priceless HD and HDR Headers: The section properties for the HD and HDR Headers, indicated in Tables 2 and 4 of this report, are in accordance with the North American Specification for the Design of Cold-Formed Steel Structural Members (AISI S100-07/S2-10). The allowable moment, M a, as indicated in Tables 2 and 4 of this report are for use with Allowable Strength Design (ASD) and are for Priceless Headers used as a flexural member braced by the cripple studs not exceeding 24 inches (610 mm) on center. For other conditions of flange bracing, the allowable moment shall be determined in accordance with AISI S100-07/S2-10. The x and y axis referenced in the tables apply to bending about the corresponding axis as illustrated in the profile figure below each table Flush Mount and Saddle Clip: The ASD load imposed by the HD and HDR Headers on the Flush Mount and Saddle Clip, respectively, shall not exceed the allowable load capacities as listed in Tables 3 and 5 of this report Connection Design: The scope of this report is limited to the connection of the Priceless Header member to the clip, and the clip to the Kwik-Jamb Stud member. All other connections referenced in this report shall be verified by a design professional and submitted to the code official for approval ASD Load Combinations: When using the ASD loads in Tables 2 and 4 of this report in conjunction with the basic ASD Load Combinations in Section of the IBC that include wind or seismic loads, the combinations shall not be reduced by a factor of When using the alternative basic ASD Load Combinations in Section of the IBC that include wind or seismic loads, the ASD loads in Tables 2 and 4 of this report shall not be increased by 33⅓ percent. When using component and cladding loads, as defined by ASCE 7 and in accordance with Section of the IBC, use of the 0.42 factor under the IBC is allowed for determining deflections from exterior wind design loads greater than 10 psf (479 Pa). 3.3 Installation Installation General: The Priceless Header and Kwik- Jamb components shall be installed in accordance with this report, the approved plans and details, and the manufacturers published installation instructions. Where conflicts occur the more restrictive shall govern. The Priceless Header and Kwik-Jamb System is assembled by first fastening the vertical Kwik-Jamb studs to the top and bottom track. The Flush Mount or Saddle Clip is then fastened to the jambs at the required elevation, and the HD or HDR Header is then fastened to the corresponding clip at each end of the Header member. The cold formed steel cripple studs shall be installed at the spacing set forth in the approved wall schedule, but not to exceed 24-inches (610 mm) on center. The cripple studs shall be fastened to the HD Header via a The product described in this Uniform Evaluation Service (UES) Report has been evaluated as an alternative material, design or method of construction in order to satisfy and comply with the intent of the provision of the code, as noted in this report, and for at least equivalence to that prescribed in the code in quality, strength, effectiveness, fire resistance, durability and safely, as applicable, in accordance with IBC Section This document shall only be reproduced in its entirety. Copyright 2018 by International Association of Plumbing and Mechanical Officials. All rights reserved. Printed in the United States. Ph: IESRPT Fax: web: East Philadelphia Street, Ontario, California USA Page 1 of 10

2 standard track section that is fastened to the HD Header or an attachment clip. The cripple studs for the HDR assembly shall sit inside of, and be fastened to, the flanges of the insert. The width of the Priceless header and Kwik-Jamb assembly shall be compatible with the web depth of the wall and cripple studs Attachment of Kwik-Jamb Stud to Steel Runner Tracks: Installation of the Kwik-Jamb stud shall be in full contact and fastened to the bottom track or secure clip in accordance with a connection design as described in Section of this report. The top connection shall be connected via a secure or deflection top track or clip to the support structure. The Kwik-Jamb studs are installed vertically in accordance with the rough opening width. The web (flat) side of each Kwik-Jamb stud shall face inward towards the opening Attachment of Flush Mount and Saddle Clip to Kwik-Jamb: Installation of the Flush mount and Saddle Clip shall be in full contact with the Kwik-Jamb Stud. The web of the Flush Mount or Saddle Clip shall be attached to the web of the Kwik-Jamb member at the desired elevation. The clips shall be fastened to the Kwik-Jamb studs with No. 10 screws complying with Section of this report at the predrilled hole locations. The number of fasteners shall correspond to the allowable load desired in Tables 3 and 5 of this report Attachment of Priceless HD/HDR Header to Flush Mount-Saddle Clip: Installation of the Flush Mount and Saddle Clips shall be in full contact with the Priceless HD or HDR header member. The clips shall be fastened to the header member with No. 10 screws complying with Section of this report at the predrilled hole locations. The number of fasteners shall correspond to the allowable load desired in Tables 3 and 5 of this report. The gap between the end of the Priceless HD or HDR Header member and vertical face of the Flush Mount or Saddle Clip shall not exceed 3/8 inch (9 mm) at each end of the header Attachment of HDR Insert to HDR Header: The insert for the HDR member is mechanically attached to the return of the outer member at maximum 12-inch-on-center (305 mm) increments as illustrated in Figure 3 of this report. 4.0 PRODUCT DESCRIPTION The Priceless Header and Kwik-Jamb System is a coldformed steel header (or sill) and cold-formed steel Kwik- Jamb Studs. The Priceless Header may be either a one-piece HD Header or a two-piece HDR Header and corresponding clips. Figure 1 of this report provides examples and explanations for the nomenclature. 4.1 HD Header with Flush Mount Clip Assembly: As illustrated by Figure 2 of this report, the components and assembly for the Priceless HD Header and Kwik-Jamb System include the HD Header, which is a C-shaped member, the Kwik-Jamb Stud, which is also a C-shaped member, and Flush Mount Clips. The Flush Mount Clip is an external connector mechanically attached to the HD header and to the supporting vertical Jamb stud. Part numbers and corresponding section properties are provided in Table 2 of this report. 4.2 HDR Header with Saddle Clip Assembly: When increased strength is required, the two-piece HDR Header and Kwik-Jamb System can be used. A general schematic of the components is provided in Figure 3, and part numbers and corresponding section properties are provided in Table 4 of this report. The Priceless HDR Header and Kwik-Jamb System includes the HDR Header, which is a C-shaped member with an insert mechanically fastened to the return of the outer member, the Kwik-Jamb stud, and Saddle Clips. The Saddle clip is an external connector mechanically attached to the HDR header and the Jamb stud and transfers reaction loads from the HDR header to the supporting vertical Jamb stud. 4.3 Materials HD Header and HDR Header with insert: The header members described in this report are cold-formed from hotdipped galvanized sheet steel. All headers are manufactured from steel conforming to SSFSA s SS published specification for steel with minimum yield strength (F y) of 57 ksi (393 MPa) and a minimum tensile strength (F u) of 65 ksi (448 MPa). The minimum thickness as listed in Table 1 of this report is the minimum steel thickness to be delivered to the job site. The minimum thickness is defined by AISI S100 as 95 percent of the design thickness as listed in Table 1 of this report. The HD and HDR Header members have a minimum G60 galvanized coating designation in accordance with ASTM A653. HD and HDR Headers are available in web widths of 3½ inches (89 mm), 3 5 / 8 inches (92 inches), 4 inches (102 mm), 5½ inches (140 mm), 6 inches (152 mm), and 8 inches (203 mm), and are cut to custom lengths Flush Mount and Saddle Clips: The Flush Mount clips described in this report is an external end connection detailed in Figures 2 and 3 of this report. The Flush Mount Clip is manufactured from hot-dipped galvanized sheet steel. All flush mount clips are manufactured using 54 mil (1.37 mm) minimum thickness material conforming to SSFSA s SS published specification for steel with a minimum yield strength (F y) of 57 ksi (393 MPa) and a minimum tensile strength (F u) of 65 ksi (448 MPa). The Flush Mount Clips are available in 3½-inch (89 mm), 3 5 / 8-inch (92 mm), 4-inch (102 mm), 5½-inch (140 mm), 6-inch (152 mm), and 8-inch (203 mm) lengths to match the corresponding web width of the HD Header. The Flush Mount clip has 1½-inch-long (38 mm) legs and comes in 3-inch (76 mm) and 3½-inch (89 mm) web heights to match the flange of the HD header. The Saddle Clip is manufactured from hot-dipped galvanized sheet steel. All saddle clips are manufactured with 54 mil (1.37 mm) minimum thickness material conforming to SSFSA s SS published specification. The Saddle Clips are also available in 3½-inch (89 mm), 3 5 / 8-inch (92 Page 2 of 10

3 inches), 4-inch (102 mm), 5½-inch (140 mm), 6-inch (152 mm), and 8-inch (203 mm) lengths to match the corresponding web width of the HDR Header. The three legs of the Saddle Clips are 1½ inches (38 mm) long Kwik-Jamb Stud: The Kwik-Jamb Studs described in this report are cold-formed from hot-dipped galvanized sheet steel. All Kwik-Jamb members are manufactured from steel conforming to SSFSA s SS published specification for steel with a minimum yield strength (F y) of 57 ksi (393 MPa) and a minimum tensile strength (F u) of 65 ksi (448 MPa). The minimum thickness as listed in Table 1 of this report is the minimum steel thickness to be delivered to the job site. The minimum thickness is defined by AISI S100 as 95 percent of the design thickness as listed in Table 1 of this report. The HD and HDR Header members have a minimum G60 galvanized coating designation in accordance with ASTM A Fasteners: The Flush Mount and Saddle Clips shall be fastened to the corresponding header member and the Kwik- Jamb stud with fasteners that comply with the minimum material specifications of Grabber Self-Drill No. 10 (0.19 inch/4.8 mm shank diameter) wafer head screws. The screws shall comply with SAE J78 and ASTM C954. The screws shall be long enough to penetrate the header or stud opposite the head three or more exposed threads. Screws exposed to exterior, damp, or corrosive environments shall have corrosion-resistant coatings. 5.0 IDENTIFICATION Each Priceless Header and Kwik-Jamb System assembly component shall be identified with a label on the product or packaging with the company name, model number, the IAPMO Uniform ES Mark of Conformity, and the Evaluation Report Number (ER-342). Included with the label for the header and jamb members shall be the member type (HD, HDR, or KJS), the base metal thickness (uncoated) in decimal units, the minimum yield strength, and the galvanized coating. Each clip identification shall include the name of the clip (Flush Mount [FM] or Saddle Clip [SC]), the base metal thickness (uncoated) in decimal units, the minimum yield strength, and the coating grade. Either IAPMO Uniform ES Mark of Conformity below shall be acceptable: or IAPMO UES ER SUBSTANTIATING DATA The supporting data submitted in support of this recognition is in accordance with: 6.1 Acceptance Criteria for Cold-Formed Steel Framing Members (AC46), dated June 2012 (Editorially Revised April 2015). 6.2 Acceptance Criteria for connectors used with Cold- Formed Steel Structural Members (AC261) dated October 2011 (Editorially revised May 2015) 7.0 CONTACT INFORMATION SCAFCO Steel Stud Manufacturing Co E. Main Ave. P. O. Box 3949 Spokane, Washington (509) STATEMENT OF RECOGNITION This evaluation report describes the results of research carried out by IAPMO Uniform Evaluation Service on SCAFCO Steel Stud Manufacturing CO. s Priceless Header and KWIK-Jamb System to assess compliance with the codes shown in Section 1.0 of this report and serves as documentation of the product certification. Brian Gerber, P.E., S.E. Vice President, Technical Operations Uniform Evaluation Service Richard Beck, PE, CBO, MCP Vice President, Uniform Evaluation Service GP Russ Chaney CEO, The IAPMO Group For additional information about this evaluation report please visit or us at info@uniform-es.org Page 3 of 10

4 FIGURE 1 NOMENCLATURE EXAMPLES TABLE 1 MATERIAL PROPERTIES Page 4 of 10

5 TABLE 2 HD HEADER SECTION PROPERTIES Part No. Gross Properties Effective Properties x-x Effective Properties y-y Distortional Shear Area Weight Ix Rx Iy Ry Ix-defl. (+) Sx (+) Max (+) Ix-defl. (-) Sx (-) Max (-) Iy-defl. Sy May May Vax Vay (in2) (lb/ft) (in4) (in) (in4) (in) (in4) (in3) (in-k) (in4) (in3) (in-k) (in4) (in3) (in-k) (in-k) (lb) (lb) 350HD300-33EQS HD300-43EQS HD HD HD HD300-33EQS HD300-43EQS HD HD HD HD300-33EQS HD300-43EQS HD HD HD HD300-33EQS HD300-43EQS HD HD HD HD300-33EQS HD300-43EQS HD HD HD HD300-43EQS HD HD HD Allowable moments and the moment of inertia for deflection (Ix-defl. and Iy-defl.) are established based on the Direct Strength Method (DSM) per AISI S100 North American Specification for the Design of Cold Formed Steel Structural Members. Page 5 of 10

6 FIGURE 2 HD HEADER ASSEMBLY AND FLUSH MOUNT CLIP TABLE 3 FLUSH MOUNT CLIP ALLOWABLE LOADS 1,2,3,4 Number of Number of Header Jamb Clip Fasteners from Fasteners from Allowable Shear Load (lbs) Clip to Header Clip to Jamb Vertical Horizontal 362HD300-33EQS 362KJS238-33EQS 362FM HD300-43EQS 362KJS238-43EQS 362FM HD KJS FM HD KJS FM HD300-33EQS 600KJS238-33EQS 600FM HD300-43EQS 600KJS238-43EQS 600FM HD KJS FM HD KJS FM HD300-43EQS 800KJS238-43EQS 800FM HD KJS FM HD KJS FM In the case of varying thickness of header and jamb material, use the lowest of the two corresponding allowable loads listed. 2. For web widths not listed, use the next web width smaller in size (Ex. For 4" members use 3.625" values) 3. Maximum gap between end of header member and vertical face of clip shall not exceed 3/8 inch 4. For the 4 fastener connection - screws are to be installed in corner pre-drilled hole locations. For the 6 fastener connection - screws are to fill all pre-drilled holes. Page 6 of 10

7 TABLE 4 HDR HEADER SECTION PROPERTIES 2 Gross Properties Effective Properties x-x Effective Properties y-y Distortional Shear Part No. Area Weight Ix Rx Iy Ry Ix-defl. (+) Sx (+) Max (+) Ix-defl.(-) Sx (-) Max (-) Iy-defl. Sy May May Vax Vay (in2) (lb/ft) (in4) (in) (in4) (in) (in4) (in3) (in-k) (in4) (in3) (in-k) (in4) (in3) (in-k) (in-k) (lb) (lb) 350HDR200-33EQS HDR HDR HDR HDR200-33EQS HDR300-43EQS HDR HDR HDR HDR200-33EQS HDR300-43EQS HDR HDR HDR HDR200-33EQS HDR300-43EQS HDR HDR HDR HDR HDR200-33EQS HDR300-43EQS HDR HDR HDR HDR HDR250-33EQS HDR300-43EQS HDR HDR HDR HDR Allowable moments and the moment of inertia for deflection (Ix-defl. and Iy-defl.) are established based on the Direct Strength Method (DSM) per AISI S100 North American Specification for the Design of Cold Formed Steel Structural Members 2. Allowable moment (Max and May) of combined section are based on a non-composite relative stiffness model. Page 7 of 10

8 FIGURE 3 HDR HEADER ASSEMBLY AND SADDLE CLIP TABLE 5 SADDLE CLIP ALLOWABLE LOADS 1,2,3,4 Number of Number of Header Jamb Clip Fasteners from Fasteners from Allowable Shear Load (lbs) Clip to Header Clip to Jamb Vertical Horizontal 362HDR200-33EQS 362KJS238-33EQS 362SC HDR KJS SC HDR KJS SC HDR200-33EQS 600KJS238-33EQS 600SC HDR KJS SC HDR KJS SC HDR KJS SC HDR250-43EQS 800KJS238-43EQS 800SC HDR KJS SC HDR KJS SC HDR KJS SC In the case of varying thickness of header and jamb material, use the lowest of the two corresponding allowable loads listed. 2. For web widths not listed, use the next web width smaller in size (Ex. For 4" members use 3.625" values) 3. Maximum gap between end of header member and vertical face of clip shall not exceed 3/8 inch 4. For the 4 fastener connection - screws are to be installed in corner pre-drilled hole locations. For the 6 fastener connection - screws are to be installed in top and bottom rows of pre-drilled holes For the 8 fastener connection - screws are to fill all pre-drilled holes. Page 8 of 10

9 Part No. TABLE 6 KWIK-JAMB STUD SECTIONAL PROPERTIES Gross Properties Effective Properties Torsional Properties Area Weight Ixx Sxx Rx Iyy Ry Ixx-defl. Sxx MaFy Ma-Dist Vag VaNet Jx1000 Cw Xo m Ro (in2) (lb/ft) (in4) (in3) (in) (in4) (in) (in4) (in-k) (in-k) (in-k) (lb) (lb) (in4) (in6) (in) (in) (in) 350KJS238-33EQS KJS238-43EQS KJS KJS KJS KJS KJS KJS238-33EQS KJS238-43EQS KJS KJS KJS KJS KJS KJS238-33EQS KJS238-43EQS KJS KJS KJS KJS KJS KJS238-33EQS KJS238-43EQS KJS KJS KJS KJS KJS KJS238-33EQS KJS238-43EQS KJS KJS KJS KJS KJS KJS238-43EQS KJS KJS KJS KJS KJS Allowable moments and the moment of inertia for deflection (Ixx-defl.) are established based on the Direct Strength Method (DSM) per AISI S100 North American Specification for the Design of Cold Formed Steel Structural Member β Lu (in) Page 9 of 10

10 CALIFORNIA SUPPLEMENT SCAFCO STEEL STUD MANUFACTURING CO. PRICELESS HEADER AND KWIK-JAMB SYSTEM CSI Section: Cold-Formed Metal Framing 1.0 RECOGNITION The SCAFCO Steel Stud Manufacturing CO. s Priceless Header and KWIK-Jamb System as evaluated and represented in IAPMO UES Evaluation Report ER-342 and with changes as noted in this supplement complies with the following codes: 2016 California Building Code (CBC) 2.0 LIMITATIONS Design and Installation shall be in accordance with Chapters 16 and 22 of the CBC, as applicable. 3.0 CONTACT INFORMATION SCAFCO Steel Stud Manufacturing Co E. Main Ave. P. O. Box 3949 Spokane, Washington (509) Page 10 of 10