Concrete deck slab reinforcement around an opening incorporates two number five bars on all four sides of the opening. The layout specifies a maximum opening dimension of two feet by two feet, with groups of two or more openings considered a single opening. Concrete cover is maintained at one inch clear for reinforcement, with three inches of concrete cover indicated in the sections. Cross-sections A-A and B-B detail the slab profile and reinforcing placement relative to the deck span.
GROUPS OF (2) OR MORE OPENINGS SHALL BE CONSIDERED A SINGLE OPENING NOT TO 2. GROUPS OF (2) OR MORE OPENINGS SHALL BE CONSIDERED A SINGLE OPENING NOT TO EXCEED 24"X24". 2'-6" 2'-0" MAX. 2'-6" 2'-6" 2'-0" MAX. 2'-6" (2) #5 BARS, ALL (4) SIDES OF OPENING. DECK SPAN SECTION A-A SECTION B-B A A B B CONCRETE COVER 1" CLEAR 3" CONC COVER FOR REINF 1" CLEAR FOR REINF. 1" CLEAR
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