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SECTION 05 40 00
COLD-FORMED STRUCTURAL METAL FRAMING
 
 
Copyright 2002 - 2017 ARCAT, Inc. - All rights reserved
** NOTE TO SPECIFIER ** CEMCO; Cold-formed structural steel framing systems products.
.
This section is based on the products of CEMCO, which is located at:
13191 Crossroads Pkwy. N. Suite 325
City of Industry, CA 91746
Toll Free Tel: 800-775-2362
Tel: 626-369-3564
Fax: 626-330-7598
Email: request info (tgaribekian@cemcosteel.com)
Web: www.cemcosteel.com
[ Click Here ] for additional information.
Founded in 1974, CEMCO is recognized as one of the largest manufacturers of steel framing and metal lath systems in the United States. CEMCO has built its reputation on the finest in quality material, using only mill certified PRIME steel. With over 60 state-of-the-art roll formers, CEMCO is able to handle any small and large construction projects. CEMCO distributes our products throughout the United States, Canada, Mexico, and the Pacific Rim.
 
PART 1 GENERAL
 
1.1
SECTION INCLUDES
 
** NOTE TO SPECIFIER ** Delete items below not required for project.
 
A.
Exterior load-bearing steel stud walls.
B.
Interior load-bearing steel stud walls.
C.
Floor joist framing.
D.
Structural joist framing.
E.
Structural Track framing.
F.
Deflection track framing.
G.
Bridging, bracing, clips, shear wall panels and accessories.
H.
Header framing.
1.2
RELATED SECTIONS
 
** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
 
A.
Section 05 12 13 - Architecturally-Exposed Structural Steel Framing.
B.
Section 05 31 13 - Steel Floor Decking.
C.
Section 05 40 00 - Cold-Formed Metal Framing.
D.
Section 05 42 00 - Cold-Formed Metal Joist Framing.
E.
Section 05 50 00 - Metal Fabrications.
F.
Section 06 16 13 - Sheathing.
G.
Section 06 11 00 - Wood Framing.
H.
Section 06 11 00 - Wood Framing.
I.
Section 07 21 16 - Blanket Insulation.
J.
Section 07 26 23 - Below-Grade Gas Retarders .
K.
Section 07 27 26 - Fluid-Applied Membrane Air Barriers .
L.
Section 09 20 00 - Plaster and Gypsum Board.
M.
Section 09 22 16 - Non-Structural Metal Framing.
N.
Section 09 23 13 - Acoustical Gypsum Plastering.
O.
Section 09 24 13 - Adobe Finish.
P.
Section 09 28 13 - Cementitious Backing Boards.
1.3
REFERENCES
 
** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.
 
A.
AISI S100-12 - North American Specification for the Design of Cold-Formed Steel Structural Members, 2012.
B.
AISI S110 -07/S1-09 (2012) Standard for Seismic Design of Cold-Formed Steel Structural Systems- Special Moment Frames, 2007 with supplement 1, dated 2009 (Reaffirmed 2012).
C.
AISI S200-12 - North American Standard for Cold-Formed Steel Framing - General Provisions.
D.
AISI S201-12 - North American Standard for Cold-Formed Steel Framing - Product Data.
E.
AISI S210 -07 (2012) - North American Standard for Cold-Formed Steel Framing - Floor and Roof System Design (Reaffirmed 2012).
F.
AISI S211-07/S1-12 (2012) - North American Standard for Cold-Formed Steel Framing - Wall Stud Design, 2007 including Supplement 1, dated 2012 (Reaffirmed 2012).
G.
AISI S212-07 (2012) - North American Standard for Cold-Formed Steel Framing - Header Design, 2007, (Reaffirmed 2012).
H.
AISI S213-07/-S1-09 (2012) - North American Standard for Cold-Formed Steel Framing - Lateral Design with supplement 1, dated 2012 (Reaffirmed 2012).
I.
AISI S214 -12 - North American Standard for Cold-Formed Steel Framing - Truss Design, 2012.
J.
AISI/S230 - 07/ S3-12 (2012) - Standard for Cold-Formed Steel Framing - Prescriptive Method for One and Two Family Dwellings, 2007, with Supplement 3, dated 2012 (Reaffirmed 2012).
K.
AISI NASPEC S100 - North American Specification for the Design of Cold Formed Steel Members
L.
ASTM A653/A653M-15 - Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy Coated (Galvannealed) by the Hot-Dip Process.
M.
ASTM A780-09 - Standard Practice for Repair of Damaged and Uncoated Areas of Hot-Dip Galvanized Coatings.
N.
ASTM A 1003/A1003M-15 - Standard Specification for Steel Sheet, Carbon, Metallic- and Nonmetallic-Coated for Cold-Formed Framing Members
O.
ASTM C954-15 - Standard Specification for Steel Drill Screws for the Application of Gypsum Panel Products or Metal Plaster Bases to Steel Studs from 0.033 in. (0.84 mm) to 0.112 in. (2.84 mm) in Thickness
P.
ASTM C 955-11 - 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.
Q.
ASTM C1007-11a - Standard Specification for Installation of Load-Bearing (Transverse and Axial) Steel Stud and Related Accessories.
R.
ASTM C1513-13 - Standard Specification for Steel Tapping Screws for Cold-Formed Steel Framing Connections.
S.
AWS D1.1 - Structural Welding Code - Steel.
T.
AWS D1.3 - Structural Welding Code - Sheet Steel.
U.
Steel Framing Industry Association (SFIA)
V.
U.S. Green Building Council, LEED Building Design and Construction (BD+C) Version 4.0 Rating System. (LEED v4.0)
1.4
DESIGN / PERFORMANCE REQUIREMENTS
 
** NOTE TO SPECIFIER ** Edit the following paragraphs to suit project requirements. If more than one design requirement is required, identify the location where each will be required on the Contract Drawings.
 
A.
Design Requirements:
1.
Design steel in accordance with AISI S100-12 unless otherwise indicated.
2.
Design loads: As indicated on Drawings.
3.
Design framing systems to withstand design loads without maximum deflections as follows:
a.
L/120.
b.
L/240.
c.
L/360.
4.
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 ambient temperature range of 120 degrees F.
5.
Design framing system shall accommodate deflection of primary building structure and construction tolerances of primary building structure and construction tolerances.
6.
Seismic Loads: Design and size components to withstand seismic loads and sway displacement as calculated in accordance with local code.
 
** NOTE TO SPECIFIER ** Include the following paragraph for exterior non-load-bearing curtain wall framing
 
7.
Design exterior non-load-bearing curtain wall framing to accommodate lateral deflection without regard to contribution of sheathing materials.
1.5
SUBMITTALS
A.
Submit under provisions of Section 01 30 00 - Administrative Requirements.
B.
Product Data: Manufacturer's data sheets on each product to be used, including:
1.
Preparation instructions and recommendations.
2.
Storage and handling requirements and recommendations.
3.
Installation methods.
C.
Shop Drawings: Shop drawings bearing seal and signature of Registered Professional Engineer licensed in State in which project is located and showing:
1.
Locations of framing members, wall framing sections and opening elevations.
2.
Sizes and spacing of framing members.
3.
Methods of fastening framing members to each other and to supporting systems.
4.
Details of vertical deflection connections to structures.
5.
Locations and spacing of lateral bracing and structural bracing systems.
6.
Accessory products required for complete installation.
D.
Structural Calculations:
1.
Submit calculations bearing seal and signature of Registered Professional Engineer licensed in State in which project is located, with minimum 5 years experience in work of this Section.
2.
Include:
a.
Description of design criteria.
b.
Engineering analysis depicting stress and deflection requirements for each framing application.
c.
Selection of framing components, accessories, fasteners, and welded connection requirements.
E.
Certificates of Compliance: Manufacturers certification that product comply with referenced codes and standards, and in accordance with AISI S100-12.
 
** NOTE TO SPECIFIER ** Delete the following paragraphs if LEED is not applicable.
 
F.
LEED v4.0 Submittals: Provide documentation of how the requirements of Credit will be met:
1.
MR Credit: Building Product Disclosure and Optimization - Environmental Product Declarations: Provide EPD from CEMCO.
2.
MR Credit: Building Product Disclosure and Optimization - Sourcing of Raw Materials - Provide recycled content of products showing the percentages of total recycled content, post-consumer, and/or pre-consumer recycled content by weight and associated cost.
3.
MR Credit: Building Product Disclosure and Optimization - Material Ingredients: Provide Health Product Declarations from CEMCO in compliance with the Health Product Declaration Collaborative v2.0. (www.hpd-collaborative.org).
4.
MR Credit: Construction and Demolition Waste Management: Include a statement indicating the percentage of materials diverted from disposal in landfills and incinerators, and where recyclable resources are directed back to the manufacturing process.
1.6
QUALITY ASSURANCE
A.
Manufacturer Qualifications: Manufacturer who is a current member of SFIA with current Quality Assurance Program that can demonstrate full time quality control over fabrication and erection complying with applicable codes, ordinances, rules and regulations of government agencies having jurisdiction.
B.
Installer Qualifications: Installer with minimum 2 years documented experience in performing work of this Section on similar projects.
C.
Perform work in accordance with:
1.
AISI/ General Provisions, S200-12
2.
AISI/ Product Data, S201-12
3.
AISI/ Floor and Roof System Design, S210-07 (2012)
4.
AISI/ Wall Stud Design, S211 -07/S1-12 (2012)
5.
AISI/ Header Design, S212-07 (2012)
6.
AISI/ COFS/Lateral Design, S213-07/-S1-09 (2012)
7.
AISI/ Truss Design, S214-12
8.
AISI NASPEC.
D.
Welding:
1.
Comply with AWS D1.1 and AWS D1.3.
2.
Qualify welding processes and welding operators in accordance with AWS
3.
"Standard Qualification Procedure".
 
** NOTE TO SPECIFIER ** Include the following for a pre-installation conference attended by the parties performing the work of this section. Edit to suit project requirements.
 
E.
Pre-Installation Conference:
1.
Convene at site 2 weeks prior to beginning work of this Section.
2.
Attendance: Owner, Architect, Contractor, and framing system installer.
3.
Review and discuss: Project requirements, substrate conditions, and manufacturer's installation instructions.
1.7
DELIVERY, STORAGE, AND HANDLING
A.
Store products in manufacturer's unopened packaging until ready for installation.
B.
Store materials protected from exposure to rain, snow, and other harmful weather conditions, at temperature and humidity conditions at temperature and humidity conditions per ASTM C 955.
C.
Handle products per AISI NASPE
1.8
SEQUENCING
A.
Ensure that locating templates and other information required for installation of products of this section are furnished to affected trades in time to prevent interruption of construction progress.
B.
Ensure that products of this section are supplied to affected trades in time to prevent interruption of construction progress.
1.9
PROJECT CONDITIONS
A.
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.
PART 2 PRODUCTS
 
2.1
MANUFACTURERS
A.
Acceptable Manufacturer: CEMCO, which is located at: 13191 Crossroads Pkwy. N. Suite 325; City of Industry, CA 91746; Toll Free Tel: 800-775-2362; Tel: 626-369-3564; Fax: 626-330-7598; Email: request info (tgaribekian@cemcosteel.com); Web: www.cemcosteel.com
 
** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.
 
B.
Substitutions: Not permitted.
C.
Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.
2.2
MATERIALS
A.
Galvanized Steel:
1.
Meet or exceed requirements of ASTM A 1003/A 1003M or ASTM A 653/A
2.
653M.
3.
Coating Class per ASTM C 955:
 
** NOTE TO SPECIFIER ** Select the coating class required from the following paragraphs and delete the one not required. G60 is the most common coating for structural systems; G90 may be used where additional protective coating is required. G90 is a special order product and should be specified in severely corrosive environments
 
a.
G60.
b.
G90.
 
** NOTE TO SPECIFIER ** Verify current amount of recycled content available with CEMCO for project.
 
4.
Recycled content: Minimum ___ percent, with minimum ___ percent classified as post- consumer and minimum ___ percent classified as pre-consumer.
B.
Stud Punch-Outs: minimum 10 inches between end of member and near edge of web punch-out and 24 inches on center thereafter, per ASTM C 955.
 
** NOTE TO SPECIFIER ** Edit the following Products to suit project requirements. If more than one is required, identify the location where each will be used on the Contract Drawings.
 
2.3
COMPONENTS
A.
General: Components manufactured from prime mill certified steel; re-rolled steel without mil certificate is not acceptable.
B.
Structural Studs: Galvanized steel C-studs complying with ASTM C 955.
 
** NOTE TO SPECIFIER ** Edit the following to suit project requirements. If more than one is required, identify the location where each will be used on the Contract Drawings.
 
1.
Flange length:
a.
1-3/8 inches; 137 flange width
b.
1-5/8 inches; 162 flange width
c.
2 inches; 200 flange width
d.
2-1/2 inches; 250 flange width
e.
3 inch; 300 flange width
f.
3-1/2 inch; 350 flange width
g.
As indicated on Drawings
2.
Web depth:
a.
2-1/2 inches; 250 depth
b.
3-1/2 inches; 350 depth
c.
3-5/8 inches; 362 depth
d.
4 inches; 400 depth
e.
5-1/2 inches; 550 depth
f.
6 inches; 600 depth
g.
8 inches; 800 depth
h.
10 inches; 1000 depth
i.
12 inches; 1200 depth
j.
14 inches; 1400 depth
k.
As indicated on Drawings
3.
Minimum material thickness:
a.
0.0329 inches; 33 mils
b.
0.0428 inches; 43 mils
c.
0.0538 inches; 54 mils
d.
0.0677 inches; 68 mils
e.
0.0966 inches; 97 mils
f.
0.1180 inches; 118 mils
g.
As required by design.
4.
Minimum yield strength:
 
** NOTE TO SPECIFIER ** Select the minimum yield strength from the following paragraph; select 33 ksi for 33 through 43 mils; 50 ksi is optional for 54 mils and higher.
 
a.
33 ksi
b.
50 ksi
c.
As required by design
5.
Punch-outs:
a.
3/4 inch x 3-1/4 inch for 1-5/8 inch studs
b.
1-1/2 inch x 3-1/4 inch for 2-1/2 inches thru 14 inch studs
C.
Structural Track: Cold-formed galvanized steel runner tracks complying with ASTM C 955.
 
** NOTE TO SPECIFIER ** Edit the following to suit project requirements. If more than one is required, identify the location where each will be used on the Contract Drawings.
 
1.
Flange length:
a.
1-1/4 inches; T125 flange width
b.
1-1/2 inches; T150 flange width
c.
2 inches; T200 flange width
d.
2-1/2 inches; T250 flange width
e.
3 inches; T300 flange width
f.
3-1/2 inches; T350 flange width
2.
Web:
a.
2-1/2 inches; 250 depth
b.
3-1/2 inches; 350 depth
c.
3-5/8 inches; 362 depth
d.
4 inches; 400 depth
e.
5-1/2 inches; 550 depth
f.
6 inches; 600 depth
g.
8 inches; depth
h.
10 inches; 1000 depth
i.
12 inches; 1200 depth
j.
14 inches; 1400 depth
k.
Track web size to match stud web size
3.
Minimum material thickness:
a.
0.0329 inches; 33 mils
b.
0.0428 inches; 43 mils
c.
0.0538 inches; 54 mils
d.
0.0677 inches; 68 mils
e.
0.0966 inches; 97 mils
f.
0.1180 inches; 118 mils
g.
As required by design.
h.
Track thickness to match wall stud thickness.
4.
Minimum yield strength:
 
** NOTE TO SPECIFIER ** Select the minimum yield strength from the following paragraph; select 33 ksi for 33 through 43 mils; 50 ksi is optional for 54 mils and higher.
 
a.
33 ksi
b.
50 ksi
c.
As required by design
D.
Deflection Track: Cold-formed deep leg runner slip track.
 
** NOTE TO SPECIFIER ** Edit the following to suit project requirements. If more than one is required, identify the location where each will be used on the Contract Drawings.
 
1.
Leg length:
a.
2 inches; T200 flange width
b.
2-1/2 inches; T250 flange width
c.
3 inches; T300 flange width
d.
3-1/2 inches; T350 flange width
e.
As required by design
2.
Web: Design to accommodate stud width for single track or interior track width for double track system.
3.
Minimum material thickness:
a.
0.0329 inches; 33 mils
b.
0.0428 inches; 43 mils
c.
0.0538 inches; 54 mils
d.
0.0677 inches; 68 mils
e.
0.0966 inches; 97 mils
f.
0.1180 inches; 118 mils
g.
As required by design
4.
Minimum yield strength:
 
** NOTE TO SPECIFIER ** Select the minimum yield strength from the following paragraph; select 33 ksi for 33 through 43 mils; 50 ksi is optional for 54 mils and higher.
 
a.
33 ksi
b.
50 ksi
c.
As required by design
E.
Slotted Track: Cold-formed slotted track - CST.
 
** NOTE TO SPECIFIER ** Edit the following to suit project requirements. If more than one is required, identify the location where each will be used on the Contract Drawings.
 
1.
Leg length:
a.
2-1/2 inches; T250 flange width.
b.
3 inch; T300 flange width.
c.
3-1/4 inches; T325 flange width.
2.
Vertical slot (flange): 1-1/2 inches long by 1/4 inch wide.
 
** NOTE TO SPECIFIER ** Include the following Option for slotted track if required and delete if not required.
 
3.
Horizontal slot (web):
a.
2-1/2 inches long by 1/4 inch wide (standard).
b.
6 inches long by 1/4 inch wide (special).
4.
Web depth:
a.
2-1/2 inches; 250 depth
b.
3-5/8 inches; 362 depth
c.
4 inches; 400 depth
d.
6 inches; 600 depth
e.
8 inches; 800 depth
f.
As indicated on Drawings].
5.
Minimum material thickness:
a.
0.0179 inches; 18 mils
b.
0.0296 inches; 30 mils
c.
0.0329 inches; 33 mils
d.
0.0428 inches; 43 mils
e.
0.0538 inches; 54 mils
f.
0.0677 inches; 68 mils
g.
As required by Design.
6.
Minimum yield strength:
 
** NOTE TO SPECIFIER ** Select the minimum yield strength from the following paragraph; select 33 ksi for 33 through 43 mils; 50 ksi is optional for 54 mils and higher.
 
a.
33 ksi
b.
50 ksi
c.
As required by design
F.
Exterior Slotted Track - EXT:
 
** NOTE TO SPECIFIER ** Edit the following to suit project requirements. If more than one is required, identify the location where each will be used on the Contract Drawings.
 
1.
Leg length: 3-1/4 inches; T325 flange width.
2.
Vertical slot: 1-1/2 inches long by 1/4 inch wide.
3.
Web:
a.
2-1/2 inches; 250 depth
b.
3-5/8 inches; 362 depth
c.
4 inches; 400 depth
d.
6 inches; 600 depth
e.
8 inches; 800 depth
f.
As indicated on Drawings]
4.
Minimum material thickness:
a.
0.0329 inches; 33 mils
b.
0.0428 inches; 43 mils
c.
0.0538 inches; 54 mils
d.
0.0677 inches; 68 mils
e.
As required by Design].
5.
Minimum yield strength:
 
** NOTE TO SPECIFIER ** Select the minimum yield strength from the following paragraph; select 33 ksi for 33 through 43 mils; 50 ksi is optional for 54 mils and higher.
 
a.
33 ksi
b.
50 ksi
c.
As required by design
G.
Standard Clip Angles:
 
** NOTE TO SPECIFIER ** Edit the following to suit project requirements. If more than one is required, identify the location where each will be used on the Contract Drawings.
 
1.
Size:
a.
Minimum 7/8 inches; maximum 22 inches
b.
As required by design
2.
Minimum thickness:
a.
0.0329 inches; 33 mils
b.
0.0428 inches; 43 mils
c.
0.0538 inches; 54 mils
d.
0.0677 inches; 68 mils
e.
0.0966 inches; 97 mils
f.
0.1180 inches; 118 mils
g.
As required by design
3.
Minimum yield strength:
 
** NOTE TO SPECIFIER ** Select the minimum yield strength from the following paragraph; select 33 ksi for 33 through 43 mils; 50 ksi is optional for 54 mils and higher.
 
a.
33 ksi
b.
50 ksi
c.
As required by design
H.
U-Channel (CRC Cold Rolled Channel):
 
** NOTE TO SPECIFIER ** Edit the following to suit project requirements. If more than one is required, identify the location where each will be used on the Contract Drawings.
 
1.
Size:
a.
150U50-54; 1-1/2 inches
b.
075U50-54; 3/4 inches
c.
As required by Design
2.
Minimum material thickness:
a.
0.0538 inches; 54 mils
b.
As required by Design
3.
Minimum yield strength:
 
** NOTE TO SPECIFIER ** Select the minimum yield strength from the following paragraph; 50 ksi is optional for 54 mils and higher.
 
a.
50 ksi
b.
As required by Design
I.
Furring Channels:
 
** NOTE TO SPECIFIER ** Edit the following to suit project requirements. If more than one is required, identify the location where each will be used on the Contract Drawings.
 
1.
Size:
a.
087F125; 7/8 inches
b.
150F125; 1-1/2 inches
c.
As required by design.
2.
Minimum material thickness:
a.
0.0329 inches; 33 mils
b.
As required by Design
3.
Minimum yield strength:
 
** NOTE TO SPECIFIER ** Select the minimum yield strength from the following paragraph; select 33 ksi for 33 through 43 mils.
 
a.
33 ksi
b.
As required by Design
J.
ProX Header
1.
Outer Member: ProX Outer.
 
** NOTE TO SPECIFIER ** Edit the following to suit project requirements. If more than one is required, identify the location where each will be used on the Contract Drawings.
 
a.
Flange Length: inches; X 425 flange
b.
Web Depth:
1)
3 /8 inches; 362 depth
2)
4 inches; 400 depth
3)
6 inches; 600 depth
4)
8 inches; 800 depth
c.
Minimum material thickness:
1)
0.0329 inches; 33 mils
2)
0.0428 inches; 43 mils
3)
0.0538 inches; 54 mils
4)
0.0677 inches; 68 mils
5)
As required by Design
d.
Minimum yield strength:
 
** NOTE TO SPECIFIER ** Select the minimum yield strength from the following paragraph; select 33 ksi for 33 through 43 mils; 50 ksi is optional for 54 mils and higher.
 
1)
33 ksi
2)
50 ksi
3)
As required by design
2.
Insert Member: ProX Insert.
 
** NOTE TO SPECIFIER ** Edit the following to suit project requirements. If more than one is required, identify the location where each will be used on the Contract Drawings.
 
a.
Flange Length: 1-5/8 inches; XT162 flange
b.
Web Depth:
1)
3-5/8 inches; 362 depth
2)
4 inches; 400 depth
3)
6 inches; 600 depth
4)
8 inches; 800 depth
c.
Minimum material thickness:
1)
0.0329 inches; 33 mils
2)
0.0428 inches; 43 mils
3)
0.0538 inches; 54 mils
4)
0.0677 inches; 68 mils
5)
As required by Design
d.
Minimum yield strength:
 
** NOTE TO SPECIFIER ** Select the minimum yield strength from the following paragraph; select 33 ksi for 33 through 43 mils; 50 ksi is optional for 54 mils and higher.
 
1)
33 ksi
2)
50 ksi
3)
As required by design
K.
Sure-Span Steel Floor Joists and Rim Tracks
1.
SSCJ Floor Joists with Large Punch-Outs:
 
** NOTE TO SPECIFIER ** Edit the following to suit project requirements. If more than one is required, identify the location where each will be used on the Contract Drawings.
 
a.
Flange length:
1)
1-3/4 inches; 175 flange
2)
2 inches; 200 flange
b.
Web depth:
1)
7-1/4 inches; 725 depth
2)
8 inches; 800 depth
3)
9-1/4 inches; 925 depth
4)
10 inches; 1000 depth
5)
11-1/4 inches; 1125 depth
6)
12 inches; 1200 depth
7)
14 inches; 1400 depth
c.
Minimum material thickness:
1)
0.0428 inches; 43 mils
2)
0.0538 inches; 54 mils
3)
0.0677 inches; 68 mils
4)
0.0966 inches; 97 mils
5)
As required by design
d.
Minimum yield strength:
 
** NOTE TO SPECIFIER ** Select the minimum yield strength from the following paragraph; select 33 ksi for 33 through 43 mils; 50 ksi is optional for 54 mils and higher.
 
1)
33 ksi
2)
50 ksi
3)
As required by design
2.
SSRT Rim Tracks.
 
** NOTE TO SPECIFIER ** Edit the following to suit project requirements. If more than one is required, identify the location where each will be used on the Contract Drawings.
 
a.
Flange Length: 2 inches; 200 depth
b.
Web depth:
1)
7-1/4 inches; 725 depth
2)
8 inches; 800 depth
3)
9-1/4 inches; 925 depth
4)
10 inches; 1000 depth
5)
11-1/4 inches; 1125 depth
6)
12 inches; 1200 depth
7)
14 inches; 1400 depth
c.
Pre-attached clip spacing:
1)
12 inches on-center; 12 OC
2)
16 inches; 16 OC
3)
19.2 inches; 19.2 OC
4)
24 inches; 24 OC
5)
As required by design].
d.
Minimum material thickness:
1)
0.0428 inches; 43 mils
2)
0.0538 inches; 54 mils
3)
0.0677 inches; 68 mils
4)
0.0966 inches; 97 mils
5)
As required by design
e.
Minimum yield strength:
 
** NOTE TO SPECIFIER ** Select the minimum yield strength from the following paragraph; select 33 ksi for 33 through 43 mils; 50 ksi is optional for 54 mils and higher.
 
1)
33 ksi
2)
50 ksi
3)
As required by design
L.
Structural Joist: Galvanized steel C-studs complying with ASTM C 955.
 
** NOTE TO SPECIFIER ** Edit the following to suit project requirements. If more than one is required, identify the location where each will be used on the Contract Drawings.
 
1.
Flange length:
a.
1-3/8 inches; 137 flange width
b.
1-5/8 inches; 162 flange width
c.
2 inches; 200 flange width
d.
2-1/2 inches; 250 flange width
e.
3 inch; 300 flange width
f.
3-1/2 inch; 350 flange width
g.
As indicated on Drawings
2.
Web depth:
a.
2-1/2 inches; 250 depth
b.
3-1/2 inches; 350 depth
c.
3-5/8 inches; 362 depth
d.
4 inches; 400 depth
e.
5-1/2 inches; 550 depth
f.
6 inches; 600 depth
g.
8 inches; 800 depth
h.
10 inches; 1000 depth
i.
12 inches; 1200 depth
j.
14 inches; 1400 depth
k.
As indicated on Drawings
3.
Minimum material thickness:
a.
0.0329 inches; 33 mils
b.
0.0428 inches; 43 mils
c.
0.0538 inches; 54 mils
d.
0.0677 inches; 68 mils
e.
0.0966 inches; 97 mils
f.
0.1180 inches; 118 mils
g.
As required by design.
4.
Minimum yield strength:
 
** NOTE TO SPECIFIER ** Select the minimum yield strength from the following paragraph; select 33 ksi for 33 through 43 mils; 50 ksi is optional for 54 mils and higher.
 
a.
33 ksi
b.
50 ksi
c.
As required by design
5.
Punch-outs:
a.
3/4 inch x 3-1/4 inch for 1-5/8 inch studs
b.
1-1/2 inch x 3-1/4 inch for 2-1/2 inches thru 14 inch studs
M.
Structural Track: Cold-formed galvanized steel runner tracks complying with ASTM C 955.
 
** NOTE TO SPECIFIER ** Edit the following to suit project requirements. If more than one is required, identify the location where each will be used on the Contract Drawings.
 
1.
Flange length:
a.
1-1/4 inches; T125 flange width
b.
1-1/2 inches; T150 flange width
c.
2 inches; T200 flange width
d.
2-1/2 inches; T250 flange width
e.
3 inches; T300 flange width
f.
3-1/2 inches; T350 flange width
2.
Web:
a.
2-1/2 inches; 250 depth
b.
3-1/2 inches; 350 depth
c.
3-5/8 inches; 362 depth
d.
4 inches; 400 depth
e.
5-1/2 inches; 550 depth
f.
6 inches; 600 depth
g.
8 inches; depth
h.
10 inches; 1000 depth
i.
12 inches; 1200 depth
j.
14 inches; 1400 depth
k.
Track web size to match stud web size
3.
Minimum material thickness:
a.
0.0329 inches; 33 mils
b.
0.0428 inches; 43 mils
c.
0.0538 inches; 54 mils
d.
0.0677 inches; 68 mils
e.
0.0966 inches; 97 mils
f.
0.1180 inches; 118 mils
g.
As required by design.
h.
Track thickness to match wall stud thickness.
4.
Minimum yield strength:
 
** NOTE TO SPECIFIER ** Select the minimum yield strength from the following paragraph; select 33 ksi for 33 through 43 mils; 50 ksi is optional for 54 mils and higher.
 
a.
33 ksi
b.
50 ksi
c.
As required by design
2.4
ACCESSORlES
A.
Framing Accessories: As required for project, complying with ASTM C 955.
1.
Flat strapping for X-bracing.
2.
Flat strapping and bridging for lateral bracing.
3.
Gusset plates.
4.
Flat steel sheets.
 
** NOTE TO SPECIFIER ** Include the following two paragraphs for shear wall panels and delete if not applicable.
 
B.
Shear Wall Panels: 5/8 inch thick Type X gypsum board or water resistant gypsum sheathing laminated to 22 gage galvanized steel sheet complying with ASTM A 653/A 653M, G40 galvanized coating; Intermat Sure-Board Series 200 Structural Panel, Series 200W Structural Panel or equivalent.
C.
Shear Wall Panels: 1/8 inch thick MDF wood base sheathing laminated to 22 gage galvanized steel sheet complying with ASTM A 653/A 653M, G40 galvanized coating; Intermat Sure-Board Series 200W Structural Panel or equivalent.
D.
Fasteners: Self-drilling, self-tapping screws complying with ASTM C 1513.
E.
Touch-Up Paint: ASTM A 780.
2.5
FABRICATI0N
A.
Framing components may be preassembled into panels prior to erection.
B.
Fabricate panels square, with components attached to prevent racking and minimize distortion during lifting and transport.
C.
Cut framing components square for attachment to perpendicular members or as required for angular fit against abutting members.
D.
Plumb, align, and securely attach studs to flanges of both upper and lower runners, except that for interior, non-load bearing walls where studs do need to be attached to upper or lower runners.
E.
In doubled jamb studs and doubled headers not accessible for insulating, provide insulation equal to thicknesses specified elsewhere.
F.
Splices in members other than top and bottom runner track not permitted.
G.
Provide temporary bracing required until erection is completed.
PART 3 EXECUTION
 
3.1
EXAMINATION
A.
Do not begin installation until substrates have been properly prepared.
B.
Inspect supporting substrates and structures for proper conditions for installation and performance of cold-formed structural framing.
C.
Verify that rough-in utilities and chases are in correct locations and do not interfere with framing placement.
D.
If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.
3.2
PREPARATION
A.
Clean surfaces thoroughly prior to installation.
B.
Verify that attachment surfaces are plumb, level, and in proper alignment to accept cold-formed structural framing
C.
Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
 
** NOTE TO SPECIFIER ** Edit the following paragraphs to suit project conditions and delete those not applicable.
 
3.3
GENERAL INSTALLATION REQUIREMENTS:
A.
Install cold-formed framing in accordance with requirements of ASTM C 1007.
B.
Weld in compliance with AWS D.1.3.
C.
Install in compliance with applicable sections of the AISI's Standard for Cold-Formed Steel Framing General Provisions.
3.4
INSTALLATION - NON-AXIAL LOAD-BEARING CURTAIN WALLS
A.
Install in accordance with manufacturer's instructions.
B.
Securely anchor runners to supporting structure as indicated on Drawings.
C.
Stud Spacing: As required by design.
D.
Install jack studs or cripples below window sills, above window and door heads, and elsewhere to furnish support.
E.
Provide lateral bracing by use of gypsum board, gypsum sheathing, steel sheets, or by horizontal straps or cold-rolled channels; conform to AISI S100-12 NAS.
F.
Make provisions for vertical movement where indicated on Drawings.
G.
Perform handling and lifting of prefabricated panels in manner to prevent distortion in members.
3.5
INSTALLATION - AXIAL LOAD-BEARING WALLS
A.
Install in accordance with manufacturer's instructions.
B.
Securely anchor runners to supporting structure as shown on Drawings.
C.
Edit the following to suit project requirements.
D.
Stud Spacing: As required by design.
E.
Provide complete, uniform and level bearing support at bottom runner per ASTM C 1007.
F.
Include headers and supporting studs at wall openings as shown on Drawings.
G.
Provide shear wall structural panel or diagonally braced stud walls as indicated on Drawings at locations designated as shear walls for frame stability and lateral load resistance. Position additional studs when necessary or as indicated on Drawings to resist vertical components.
H.
Splices in axially loaded studs not permitted.
3.6
INSTALLATION - JOISTS
A.
Install in accordance with manufacturer's instructions.
B.
Joist Spacing: As required by design.
C.
Align joist bearing at foundation walls by means of shims or non-setting grout.
D.
Locate joists or load distribution member directly over bearing studs at top of bearing walls.
E.
Provide web stiffeners at reaction points or points of concentrated loads or where indicated on Drawings.
F.
Install joist bridging where indicated on Drawings.
G.
Install additional joists under parallel partitions when partition length exceeds one-half joist span and around floor and roof openings that interrupt one or more spanning members, unless otherwise indicated.
H.
Install end blocking where joist ends are not otherwise restrained from rotation.
3.7
INSTALLATION - TRUSSES
A.
Install in accordance with manufacturer's instructions.
B.
Truss Spacing: As required by design.
C.
Install trusses in accordance with Code requirements and truss manufacturer's instructions.
D.
Install roof bracing in accordance with truss design.
E.
Install trusses with plane of truss webs plumb and parallel to each other, aligned, and accurately positioned.
F.
Install each truss directly over bearing stud or load distribution member designed for this purpose.
G.
Install lateral supports as required by manufacturer's design.
H.
Immediately after installation, install bridging and permanently brace trusses per truss design.
I.
Install approved uplift connectors to connect individual truss to wall studs as required by design.
3.8
PROTECTION
A.
Protect installed products until completion of project.
B.
Touch-up, repair or replace damaged products before Substantial Completion.
END OF SECTION