Reinforced concrete grade beam penetration detail showing a sleeved opening positioned near the top of the beam with a two-inch clearance. A number four nosing bar wraps the penetration, complemented by grade beam ties at spacing S and S over two. Top reinforcement hooks at the slot and matches the primary top reinforcing steel. A Class B lap splice is provided on each side of the slot, and diagonal corner bars reinforce the stepped profile matching the bottom reinforcement.
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