Metal deck panels bear on structural steel beams with specific minimum flute bearings and side lap configurations. Fasteners are arranged in double rows at interior collectors and chords, with continuous 12 gauge plates provided at edges where flute bearing is less than two inches. Panel end lap joints are restricted from occurring at concrete filled decks. Specific clearance dimensions govern interior lap joints, butt joints, and diaphragm edges for both perpendicular and parallel deck orientations relative to the supporting beams.
CONNECTIONS AT DECK PERPENDICULAR TO BMS INTERIOR AT LAP JOINT INTERIOR AT BUTT JOINT MIN 3" MIN 1 1/2" FLUTE BEARING 2 1/2" MIN DIMENSION SEE PLAN FOR INTERIOR AT CONTINUOUS PANEL DIAPHRAGM EDGE CONN D CONN D MIN 1 1/4" FLUTE 2" MIN FLUTE 2" MIN CONN E CONN E CONNECTIONS AT DECK PARALLEL TO BEAMS INTERIOR AT CONTINUOUS PANEL DECK NOT CENTERED INTERIOR AT CONTINUOUS PANEL, DECK CENTERED (PREFERRED) INTERIOR AT SIDE LAP MIN 2" BEARING 2" MIN FLUTE THAN 2" LESS CONT 12 GA PL AT EDGE E D AT CHORDS / COLLECTORS NOTE: DO NOT LAP JOINT PANEL ENDS AT CONCRETE-FILLED DECK BEARING BEARING DOUBLE ROW OF FASTENERS DOUBLE ROW OF FASTENERS DOUBLE ROW OF FASTENERS AT INTERIOR COLLECTOR (NOT AT EDGE UON) DOUBLE ROW OF FASTENERS DOUBLE ROW OF FASTENERS AT CHORDS / COLLECTORS SIDE LAP PER DETAIL C , CONNECTION PERMITTED TO BE SEPARATED AS SHOWN MIN 1 1/4" CONN E DIAPHRAGM EDGE FLUTE 2" MIN CONT 12 GA PL BEARING 2" AT EDGE LESS THAN MIN 2"
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