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UniSpec II- Store Planning 111811
SECTION 05400 - COLD FORMED METAL FRAMING
PART 1 GENERAL
1.1 SUMMARY
A. Section Includes:
1. Load bearing formed steel stud exterior and interior framing 20 gage and heavier.
B. Related Sections:
1. Section 05090 - Post-installed Concrete and Masonry Anchors: Mechanical and adhesive anchors drilled
into concrete or masonry.
2. Section 05120 - Structural Steel: Connecting to structural building framing.
3. Section 05210 - Steel Joists: Connecting to steel joists.
4. Section 05300 - Metal Deck: Connecting to decking.
5. Section 06100 - Rough Carpentry: Wood furring strips, plywood, and blocking.
6. Section 07210 - Building Insulation: Thermal insulation installed in exterior framing.
7. Section 09250 - Gypsum Board: Non-load bearing steel stud partition framing lighter than 20 gage.
1.2 REFERENCES
A. The publications listed below form a part of this specification to the extent referenced. Publications are referenced
within the text by the basic designation only.
B. American Iron and Steel Institute (AISI):
1. North American Specification for the Design of Cold-Formed Steel Structural Members.
2. Standard for Cold-Formed Steel Framing
C. ASTM International (ASTM):
1. ASTM A 36 - Carbon Structural Steel.
2. ASTM A 123 - Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products.
3. ASTM A 1003 - Steel Sheet, Carbon, Metallic- and Nonmetallic-Coated for Cold-Formed Framing
Members
4. ASTM C 1007 - Installation of Load Bearing (Transverse and Axial) Steel Studs and Related Accessories.
5. ASTM C 1513 - Steel Tapping Screws for Cold-Formed Steel Framing Connections.
D. American Welding Society (AWS):
1. AWS D1.1 - Structural Welding Code - Steel.
2. AWS D1.3 - Structural Welding Code - Steel Sheet.
E. Gypsum Association (GA):
1. GA-216 - Application and Finishing of Gypsum Board.
F. Steel Structures Painting Council (SSPC):
1. SSPC-Paint 20 Type I - Zinc Rich Primers - Inorganic.
G. Steel Stud Manufactures Association (SSMA):
1. SSMA Product Technical Information.
1.3 QUALITY ASSURANCE
A. Installer Qualifications: Company specializing in the installation of cold formed metal framing components with
minimum five years documented experience.
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B. Qualifications for Welding Work: Qualify welding operators in accordance with Standard Qualification
Procedures as required by AWS D1.1.
1.4 DELIVERY, STORAGE, AND HANDLING
A. Transport, handle, store, and protect products in compliance with the requirements of Section 01600.
B. Protect metal framing from corrosion, deformation, and other damage during delivery, storage, and handling.
C. Store and protect metal framing products with waterproof covering; ventilate to avoid condensation.
D. Where framing is stored outdoors, stack materials off ground, supported on level platform, fully protected from
weather.
PART 2 PRODUCTS
2.1 MATERIALS
A. Comply with AISI North American Specification for the Design of Cold-Formed Steel Structural Members and
ANSI Standard for Cold-Formed Steel Framing.
B. Steel Sheet: ASTM A 1003, Structural Grade, Type H, metallic coated, Grade: ST33H (33 ksi) unless otherwise
indicated, Coating G60.
C. Material Thickness: Gage shown on the drawings shall have the following minimum base metal thickness.
1. 20 gage: 33 mils
2. 18 gage: 43 mils
3. 16 gage: 53 mils
2.2 FRAMING AND ACCESSORIES
A. Interior and Exterior Load-Bearing Studs: Manufacturer's standard C-shaped steel studs, of web depths indicated,
punched, with stiffened flanges, depth, flange width, and gage as indicated on Drawings.
B. Interior and Exterior Load-Bearing Steel Joists: Manufacturer's standard C-shaped steel joists, of web depths
indicated,with stiffened flanges.
C. Partition Floor Tracks and Runners: Galvanized sheet steel, C-shaped; same depth and gage as studs; tight fit;
solid web.
D. Steel Track: Manufacturer's standard U-shaped steel track, of web depths indicated, unpunched, with unstiffened
flanges, and same minimum base-metal thickness as steel studs.
E. Deflection (Capture) Track: Deep-leg, U-shaped steel track; unpunched, with unstiffened flanges, of web depth as
shown to contain studs while allowing free vertical movement, with flanges or legs as shown designed to support
horizontal and lateral loads. Provide fasteners as indicated on Drawings.
1. Contractor's Option: Manufacturer’s standard double or single deflection track as follows:
a. VertiClip or VertiTrack by The Steel Network, Raleigh, NC (888) 474-4876. If this option is used,
track may be 20 gage for all stud sizes.
b. FastTop Clip by ClarkDietrich, West Chester, OH (513) 870-1100.
c. SLP-TRK by Brady Innovations as distributed by ClarkDietrich.
F. Load-Bearing Wall Furring and Partition Bracing: Galvanized sheet steel.
1. Cold-Formed Channels: 3/4 inch x 1/2 inch and 1-1/2 inch x 17/32 inch or as shown on the drawings.
2. Clip Angles: 2 inches x 2 inches x 16 gage x 1/4 inch less than stud width or
a. Bridge Clip by The Steel Network.
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b. EasyClip U-Series Clip Angles 1-1/2” x 1-1/2” x 16 gage x 1/4 inch less than stud width by
ClarkDietrich.
3. Contractor’s Option: In leiu of cold-formedchannels and clip angles for horizontal bridging, provide one of
the following:
a. Bridge Bar by the Steel Network.
b. TradeReady Spazzer 5400 and spacing bar by ClarkDietrich.
G. Steel Shapes and Clips: ASTM A 36, zinc coated by hot-dip process according to ASTM A 123.
H. Framing Attachment Angles: Galvanized sheet steel, size, shape and configuration as indicated on Drawings, 14
gage, unless indicated otherwise on Drawings.
1. Contractor’s Option: Contact ClarkDietrich Clip Express (866) 638-1908 for alternative selections.
I. Ceiling Joists and Runners: Galvanized sheet steel, C-shaped.
J. Flat Metal Straps and Plates: Galvanized sheet steel, gage, shape, and configuration as indicated on Drawings.
1. Contractor's Option: In leiu of 2-inch continuous metal strap at capture tracks, Contractor may provide one
of the following:
a. Bridge Bar by The Steel Network.
b. TradeReady Spazzer 5400 bridging and spacing bar by ClarkDietrich.
2.3 FASTENERS
A. Power-Actuated Anchors: Fastener system of type suitable for application indicated, fabricated from corrosion-
resistant materials, with capability to sustain, without failure, a load equal to 10 times design load.
B. Mechanical Fasteners: ASTM C 1513, corrosion-resistant-coated, self-drilling, self-tapping steel drill screws.
C. Framing to Framing: ASTM C 1513; 5/8 inch Type S-12 low-profile head corrosion-resistant self-drilling self-
tapping steel screws.
D. Framing to Attachment Angle Fasteners: #12 diameter pan head corrosion-resistant self-drilling self-tapping steel
screws.
E. Wall Floor Track Anchorage Device: Carbon steel wedge type expansion anchor; minimum 3/8 inch diameter x
minimum 1-1/2 inch embedment unless noted otherwise on the Drawings. Refer to Section 05090 for approved
anchors.
F. Wall Furring to Concrete or Masonry Wall Fasteners: Hex head screw anchors; minimum 1/4 inch diameter x
minimum 1-1/8 inch embedment unless otherwise noted on the Drawings. Refer to Section 05090 for approved
anchors.
G. Furring Channel to Masonry or Concrete Surface Fasteners: Low velocity powder-actuated drive pins of size to
suit application.
H. Welding Materials: AWS D1.3.
I. Wood Furring, Blocking, and Plywood, Attached to Framing Fasteners: Specified in Section 06100.
2.4 FINISHES
A. Galvanizing: G60 coating class.
B. Galvanizing Repair Paint: SSPC-Paint 20, Type II - organic.
2.5 SUBSTITUTIONS
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A. Comply with the requirements of Section 01600.
PART 3 EXECUTION
3.1 EXAMINATION
A. Examine existing conditions and adjacent areas where products will be installed and verify that conditions
conform to product manufacturer's requirements. Verify that building framing components are ready to receive
work. Verify that rough-in utilities are in-place and located where required. Do not proceed until unsatisfactory
conditions have been corrected.
B. Beginning of erection indicates acceptance of existing conditions.
3.2 INSTALLATION - GENERAL
A. Install cold-formed metal framing in accordance with AISI North America Standard for Cold-Formed Steel
Framing and to manufacturer's written instructions unless more stringent requirements are shown or specified.
B. Install system to provide for movement of components without damage, failure of joint seals, undue stress on
fasteners, or other detrimental effects when subject to seasonal or cyclic day/night temperature ranges.
C. Install system to accommodate construction tolerances, deflection of building structural members, and clearances
of intended openings.
D. Install cold-formed metal framing and accessories plumb, square, and true to line, and with connections securely
fastened.
E. Install framing members in one-piece lengths.
F. Perform field welding in accordance with AWS D1.3.
3.3 INSTALLATION - STUD FRAMING
A. Install studs and fasteners in accordance with manufacturer's published instructions and, where gypsum board is
attached to studs, install studs in accordance with GA-216 and ASTM C 1007.
B. Metal Stud Spacing: 16 inches on center, maximum, unless otherwise shown on the drawings.
C. Align stud web openings horizontally.
D. Construct corners using minimum three studs.
E. Place studs as indicated on Drawings, minimum 2 inches from abutting walls.
F. Erect studs one piece full length. Splicing of studs not permitted.
G. Erect studs, brace, and reinforce to develop full strength to meet design requirements.
H. Install headers at partition openings using load-bearing C-shaped joists.
I. Install framing between studs for attachment of mechanical and electrical items.
J. Coordinate placement of insulation in multiple stud spaces made inaccessible after erection.
K. Install intermediate studs above and below openings to match wall stud spacing.
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L. Fasten studs adjacent to door and window frames, partition intersections, and corners to top and bottom runner
flanges in double-stud fashion with metal lock fastener tools.
1. Securely fasten studs to jamb and head anchor clips of door and borrowed-light frames.
2. Place horizontally a cut-to-length section of runner with web-flange bent at each end, fasten with minimum
one screw per flange.
3. Position a cut-to-length stud (extending to top runner) at vertical panel joints over door frame header.
M. Install bridging for stud partitions over 8 feet high at mid-height with 1-1/2 inch rolled channels through studs and
screw attach in place using clip angles. Lap channels by nesting one inside the other to a length of at least 8
inches and wire tie together.
N. Blocking: Screw attach wood blocking between studs. Install blocking for support of plumbing fixtures, toilet
partitions, wall cabinets, toilet accessories, and hardware.
O. Where optional framing products by the named manufacturers are specified in Part 2 above in lieu of conventional
components specified, install in accordance with manufacturers recommendations.
P. Touch up field welds and damaged galvanized surfaces with galvanizing repair paint.
Q. Fastening: Fasten framing in accordance with manufacturer's published instructions and schedule below unless
indicated otherwise on Drawings.
FASTENERS MINIMUM CONNECTION
Floor Track to Concrete 1 Anchor at 36 inches on center.
Partition Stud to Floor Track 1 Screw each side at flange.
Stud Web to Stud Web 2 Screws.
Plates and Straps to Studs 2 Screws.
Lateral Bracing to Partition Stud Using clip Angles 2 Screws to stud and 2 Screws to cold rolled channel.
Runner to Header 1 Screw at 16 inches on center, maximum 6 inches
from each end.
Welded Connections Indicated on Drawings.
3.4 INSTALLATION - JOIST FRAMING
A. Install joists and fasteners in accordance with manufacturer's published instructions.
B. Make provisions for erection stresses. Provide temporary alignment and bracing.
C. Place joists at locations and spacing as indicated on Drawings.
D. Touch-up field welds and damaged galvanized surfaces with galvanizing repair paint.
E. Fastening: Indicated on Drawings.
3.5 INSTALLATION - CEILING JOISTS
A. Install joists and fasteners in accordance with manufacturer's published instructions and, where gypsum board is
attached to joists, install joists in accordance with ASTM C 1007 and GA-216.
B. Ceiling Joist Spacing: 16 inches on center beginning from center of room unless otherwise shown on the
drawings.
C. Install joists in direction of shortest span, parallel and level, with lateral bracing and bridging.
D. Install joists in one piece full length. Splicing of joists not permitted.
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E. Install perimeter joist runner track sized to match joists. Attach joist runner track to wall framing with minimum 2
screws per stud and at corners and ends.
F. Attach joist ends to joist runner tracks with minimum 1 screw each side at each flange.
G. Install bridging at 48 inches on center beginning from center of room with 1-1/2 inch rolled channels screw
attached to joists.
1. Stagger bridging at light fixture locations as required.
3.6 INSTALLATION - FURRING
A. Furring Channels: Attach vertically spaced at maximum 16 inches on center, unless otherwise shown on the
drawings, to masonry and concrete surfaces with specified powder driven fasteners staggered 24 inches on center
on opposite flanges.
B. Wall Furring:
1. Secure top and bottom runners to structure.
2. Space metal furring at maximum 16 inches on center unless otherwise shown on the drawings.
3.7 INTERFACE WITH OTHER WORK
A. Coordinate erection of studs with hollow metal door frames and overhead coiling door frames.
B. Coordinate installation of anchors, supports, and blocking for mechanical, electrical, and building accessory items
installed within framing.
3.8 QUALITY ASSURANCE TESTING AND INSPECTION
A. Unless otherwise specified, quality control tests and inspection specified below will be conducted by the Owner’s
Construction Testing Laboratory (CTL) at no cost to the Contractor in accordance with Section 01458. Contractor
shall perform additional testing or inspection as considered necessary by the Contractor for assurance of quality
control.
1. Work shall be performed by a Special Inspector – Technical II or Special Inspector – Structural I.
2. Inspect all new and/or modified Work requiring inspection under the provisions of this section.
B. Welding (General):
1. Prior to start of fabrication, determine if fabrication shop meets the criteria for exempting shop welds from
inspection and confirm in writing to building official and SER.
2. Verify qualifications of all welders as AWS certified.
3. Verify proposed welding procedures and materials.
4. Verify adequate preparation of faying surfaces.
5. Verify preheat and interpass temperatures of steel, proper technique and sequence of welding, and cleaning
and number of passes are provided as required.
C. Welding (Field):
1. Cold Formed Metal Framing Welds: Visually inspect 100% of welds for specified length, size, and
continuity in accordance with AWS D1.3 for metal less than 1/8 inch in thickness, for work designed as a
structural element.
2. Miscellaneous Metals, Inserts and Prefabricated Components: Where integrity of the connections impact
life safety or performance of the building structure, provide testing and inspection as for typical welds
previously specified.
D. Welding (Shop): Perform inspections as for field welding except weld testing may be reduced or deleted if
fabrication shop satisfies AISC Quality Certification Program - Category I, or more stringent criteria, and is
approved by building official and SER.
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E. Miscellaneous Mechanical Fasteners: Visually inspect fasteners that are part of the building structural system for
specified size, spacing, and location.
F. Submittal Verification: Verify mill test reports and other submitted documentation for compliance with contract
documents.
G. Material Verification: Verify materials delivered to site comply with contract documents and approved shop
drawings. Materials include:
1. Welding Electrodes
a. Identification markings to conform to AWS specifications.
b. Manufacturer’s certificate of compliance.
2. Mechanical fasteners
H. Verification of Detail Compatibility:
1. Inspect on a periodic basis:
2. Review project documents affecting integrity of the structure including contract documents and approved
shop drawings.
3. Visit site at intervals appropriate to the stage of construction to perform review of the structure and visually
confirm general compliance with the contract documents.
4. Inspect the following to verify that member orientation, configuration, type, and size comply with details
indicated on the contract documents and approved shop drawings:
a. Bracing and stiffening members.
b. Structural member locations
c. Proper applications of joint details at connections for structural members.
d. Other work critical to the integrity of the building structure.
END OF SECTION
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