This detail specifies the attachment requirements for a one and one-half inch by twenty gauge galvanized G90 composite metal deck with a thirty-six inch sheet width. The deck profile features flutes spaced at two and one-half inches on center. At floor supports, the deck is secured using a thirty-four weld pattern consisting of three-quarter inch diameter puddle welds spaced at six inches on center. All sidelaps between deck supports are fastened at a maximum of eighteen inches on center using number ten self-tapping screws.
1 1/2" x 20 GA GALV (G90) COMPOSITE METAL DECK 6" 6" 6" 6" 6" 6" 36/4 WELD PATTERN @ FLOOR SUPPORTS (3/4" DIA PUDDLE WELDS) FASTEN ALL SIDELAPS BETWEEN DECK SUPPORTS @ 18" OC MAX W/ #10 SELF TAPPING SCREWS 36" SHEET WIDTH 1 1/2" 2 1/2"
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