Spacing criteria and effective opening zones apply for multiple round slab openings where the clear distance between openings is less than two feet six inches. Reinforcement must be provided around the effective opening per the project requirements. Maximum spacing limits apply across various core and opening diameters.
d > d d > d d 2'-6" MAX. 2'-6" MAX. TYP. d TYP. >d 2'-6" MAX. D >D d >d d 1' - 6" NOTES: 1. THIS DETAIL APPLIES WHERE CLEAR DISTANCE BETWEEN OPENINGS IS LESS THAN 2'-6". 2. REINFORCE AROUND EFFECTIVE OPENING PER . 1
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