manufacturer's standard touch-up paint].
[3.2.1.2
Fastening
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NOTE: Delete this paragraph when only welding is
allowed.
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Anchor deck to structural supports and adjoining units with mechanical deck
fasteners as recommended by the Steel Deck Institute and the steel deck
manufacturer, as approved by the Contracting Officer. [Powder-actuated
fasteners shall be driven with a low-velocity piston tool by an operator
authorized by the manufacturer of the piston tool. Pneumatically driven
fasteners shall be driven with a low-velocity fastening tool and shall
comply with the manufacturer's recommendations.]
]3.2.2
Openings
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NOTE: Include bracketed phrases when design is
based on seismic requirements. When cells of
cellular steel floor decking will be used for air
ducts, the cutting of decking units for connections
to air distribution ductwork, outlets, and system
accessories must be coordinated with and specified
in applicable sections of the mechanical
specifications.
When cells of cellular metal floor decking will be
used for electrical raceways, the inspection of
these cells, cutting for inserts, and installation
of electrical outlets, fittings, or grounding of the
metal floor decking, be coordinated with and
specified in applicable sections of the electrical
specifications.
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All holes and openings required shall be cut or drilled holes and be
coordinated with the drawings, specifications, and other trades. Frame and
reinforce openings through the deck in conformance with SDI DDP.
[Holes
and openings 150 to 300 mm 6 to 12 inches across shall be reinforced by
1.204 mm (0.0474 inch) 0.0474 inch thick steel sheet at least 300 mm 12
inches wider and longer than the opening and be fastened to the steel deck
at each corner of the sheet and at a maximum of 150 mm 6 inches on center.
Holes and openings larger than 300 mm 12 inches shall be reinforced by
steel channels or angles installed perpendicular to the steel joists and
supported by the adjacent steel joists. Steel channels or angles shall be
installed perpendicular to the deck ribs and shall be fastened to the
channels or angles perpendicular to the steel joists. ][Deck manufacturer
shall approve holes or openings larger than 150 mm 6 inches in diameter
prior to drilling or cutting. ] [Openings shall not interfere with seismic
members such as chords and drag struts.]
3.2.3
Deck Damage
SDI MOC1, for repair of deck damage.
SECTION 05310
Page 19
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