A galvanized steel stair stringer bears on a galvanized angle connection supported by a concrete footing and foundation wall. The stringer is secured using an angle size of L3x3x1/4 by four inches long attached with a three-quarter-inch diameter expansion bolt. A one-quarter-inch galvanized cap plate conceals the connection at the slab level. Precast stair treads are mounted onto the stringer assembly per architectural specifications. The concrete slab on grade, foundation wall, and footing are sized per plan and schedule.
1/4 GALV STAIR STRINGER, SEE PLAN GALV L3x3x1/4 x 0'-4" WITH 3/4"DIA EXPANSION BOLT PRECAST STAIR TREAD, SEE ARCH (GALV) CAP PL 1/4" CONCRETE FOOTING, SEE PLAN AND SCHED CONCRETE WALL, SEE PLAN AND SCHED CONCRETE SLAB ON GRADE, SEE PLAN E
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