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SECTION 05312
COMPOSITE STEEL DECK
NOTE ** This section is based on a short form specification
of the Steel Deck Institute and products
manufactured by United Steel Deck, Inc., which is
headquartered at the following address:
NOTE ** 475 Springfield Avenue
NOTE ** Summit, NJ 07902-0662
NOTE ** Telephone: 908-277-1617 in New Jersey, or 800-
631-1215.
NOTE ** Fax: 908-277-1619.
NOTE **
NOTE ** Composite deck is a permanent form for and acts
compositely with structural concrete to provide a
strong and stiff floor system. Many depths, gages,
and configurations are available to accommodate a
wide variety of span and load conditions.
NOTE **
NOTE ** United Steel Deck, Inc. is a member of the Steel
Deck Institute, and the products furnished by
United Steel Deck, Inc. conform to the
specifications of the Steel Deck Institute.
NOTE **
NOTE ** SECTION 05312 - COMPOSITE STEEL DECK, Copyright
1996, The Architect's Catalog, Inc.
PART 1 GENERAL
1.1 SECTION INCLUDES
A. Composite steel deck.
B. Closures and fillers.
C. Fastening of deck.
1.2 RELATED SECTIONS
NOTE ** Delete any sections below not relevant to this
project; add others as required.
A. Section 03300 - Cast-In-Place Concrete.
B. Section 05120 - Structural Steel.
1.3 REFERENCES
NOTE ** Delete references from the list below that are not
actually required by the text of the edited
section.
A. ASTM A 611 - Standard Specification for Steel, Sheet,
Carbon, Cold-Rolled, Structural Quality.
B. ASTM A 653/A 653M - Steel Sheet, Zinc-Coated (Galvanized)
or Zinc-Iron Alloy Coated (Galvannealed) by the Hot-Dip
Process.
C. ASTM A 924 - Standard Specification for General
Requirements for Steel Sheet, Metallic-Coated by the Hot-
Dip Process.
D. AWS D1.3 - Structural Welding Code - Sheet Steel;
American Welding Society.
E. Fire Resistance Directory; Underwriters Laboratories
Inc. (UL).
F. SDI 29 - Steel Deck Institute Design Manual for Composite
Decks, Form Decks, Roof Decks, and Cellular Metal Floor
Deck with Electrical Distribution; Steel Deck Institute,
Inc. (SDI).
G. SDI DDM02 - Diaphragm Design Manual; Steel Deck
Institute, Inc. (SDI).
H. Specification for the Design of Cold-Formed Steel
Structural Members; American Iron and Steel Institute
(AISI).
1.4 SUBMITTALS
A. Submit under provisions of Section 01300.
B. Product Data:
1. Submit for each type of decking specified, including
dimensions of individual components, profiles, and
finishes.
2. Mechanical fasteners: Test reports from a qualified
independent testing agency evidencing compliance with
requirements based on comprehensive testing.
C. Shop Drawings: Show location of deck units, anchorage
details, and other information required for a thorough
review.
D. Product Certificates: Signed by the manufacturer of the
steel deck, certifying the supplied products comply with
specified requirements.
E. Welder Certificates.
1.5 QUALITY ASSURANCE
A. Manufacturer Qualifications: Member of the Steel Deck
Institute.
B. Codes and Standards: Comply with applicable provisions
of the following specifications:
1. American Iron and Steel Institute (AISI).
2. American Welding Society (ANSI/AWS D1.3 Structural
Welding Code/Sheet Steel).
3. Steel Deck Institute (SDI).
C. Each welder shall have satisfactorily passed A.W.S.
Qualification tests for welding processes involved, and
if applicable, shall have undergone recertification.
1.6 DELIVERY, STORAGE, AND HANDLING
A. Protect steel deck from corrosion, deformation, and other
damage during delivery, storage and handling.
B. If ground storage is needed, store deck bundles off the
ground, with one end elevated to provide drainage.
Protect bundles against condensation with a ventilated
waterproof covering. Stack bundles so there is no danger
of tipping, sliding, rolling, shifting or material
damage. Check bundles periodically for tightness, and
retighten as necessary so wind cannot loosen sheets.
C. Place deck bundles on the building frame near a main
supporting beam at a column or wall. Do not place
bundles on unbolted frames or on unattached or unbridged
joists. Ensure that the structural frame is properly
braced to receive the bundles.
PART 2 PRODUCTS
2.1 MANUFACTURER
A. Provide products fabricated by United Steel Deck, Inc.;
14 Harmich Rd. South Plainfield, NJ 07080. Telephone:
908-277-1617 or 800-631-1215; Fax: 908-277-1619.
2.2 MATERIALS
NOTE ** Delete 1 of the 2 following paragraphs.
A. Sheet Steel for Galvanized Deck and Accessories: ASTM A
653/A 653M Structural Quality, minimum yield strength of
33 ksi (230 MPa). Galvanizing: ASTM A 924 with a
minimum coating class of G30 as defined in ASTM A 653/A
653M.
B. Sheet Steel for Deck and Accessories: ASTM A 611 with a
minimum yield strength of 33 ksi (230 MPa).
NOTE ** Delete 2 of the 3 following paragraphs.
C. Deck Type and Thickness: As shown on the drawings.
D. Deck shall be ______ with a minimum metal thickness of
_____.
E. Select deck to provide the load capacities shown on the
drawings and as determined using the Steel Deck Institute
construction loading criteria.
F. The deck type provided shall be capable of supporting the
superimposed live loads indicated on the drawings.
G. Whenever possible, deck shall be multi-span and shall not
require shoring during the concrete placement procedure.
NOTE ** Delete the following paragraph if no fire-resistant
units are required. If retained, insert the UL
Design Number in the specification or on the
drawings.
H. Where fire resistance rated assemblies are required,
provide UL-listed units. Identify steel deck bundles
with labels bearing the UL mark.
1. UL Design Number: ______.
2. UL Design Number: As indicated on the drawings.
2.3 ACCESSORIES
A. Pour stops, column closures, end closures, cover plates,
and girder fillers shall be the type required by the
Steel Deck Institute.
B. Mechanical fasteners or welds are acceptable for
accessory attachments.
PART 3 EXECUTION
3.1 EXAMINATION
A. Examine support framing and field conditions for
compliance with requirements for installation tolerances
and other conditions affecting performance of work of
this section.
3.2 PREPARATION
A. Place deck in accordance with approved placement plans.
B. Do not place deck panels on concrete support structure
until concrete has cured and is dry.
C. Locate deck bundles to prevent overloading of support
members.
3.3 INSTALLATION, GENERAL
A. Install deck panels and accessories according to Steel
Deck Institute specifications and recommendations, and in
accordance with placement plans and requirements of this
section.
B. Install temporary shoring, if required, before placing
deck panels.
C. Place deck panels on structural supports and adjust to
final position with ends aligned. Attach firmly to the
supports immediately after placement in order to form a
safe working platform.
D. Cut and neatly fit deck units and accessories around
openings and other work projecting through or adjacent to
the decking.
E. Do not cut unscheduled openings through the deck without
the approval of the Architect; reinforce openings as
directed.
3.4 INSTALLATION, FLOOR DECK
A. Anchor floor deck units to steel supporting members by
arc spot puddle welds of the following diameter and
spacing or fillet welds of equal strength:
1. Weld diameter: Minimum visible 5/8 inch (15 mm).
2. Weld spacing: Weld edge ribs of panels at each
support. Space additional welds an average of 12
inches (300 mm) apart but not more than 18 inches
(460 mm).
3. Mechanical fasteners, either powder actuated or
pneumatically driven, or screws may be used in lieu
of welding to fasten deck to supporting framing,
provided they have been specifically approved.
4. Fasten side laps and perimeter edges of units between
supports at intervals not exceeding 36 inches (1 m)
on center, using one of the following methods:
a. #10 self drilling screws;
b. Crimp or button punch
c. Arc puddle welds 5/8 inch (15 mm) minimum visible
diameter, or 1 inch (25 mm) long fillet welds.
B. End Bearing:
1. Install deck ends over supports with a minimum end
bearing of 1.5 inches (40 mm).
C. Pour Stops and Girder Fillers: Fasten pour stops and
girder fillers to supporting structure according to the
manufacturer's recommendations.
D. Floor Deck Closures: Fasten column closures, cell
closures, and Z closures to deck to provide tight fitting
closures at open ends of ribs and sides of decking.
Fasten cell closures at changes of direction of floor
deck units unless otherwise directed.
3.5 REPAIRS
A. Before concrete placement:
1. Inspect the deck for tears, dents, or other damage
that may prevent the deck from acting as a tight and
substantial form or that would impair structural
capability.
2. Repair tears, dents, or other damage.
3. Obtain the approval of the Architect.
B. Determine the need for temporary shoring of deck before
concrete placement.
END OF SECTION