Precast concrete stair treads mount onto an HSS20x4x1/2 structural steel stair stringer. An intermediate landing slab features a built-up concrete stair configuration with a sliding bearing connection. This assembly incorporates an embed plate cast into the landing slab and keeper angles welded to the stringer. A poly infill panel is installed below the landing, adjacent to a concrete curb.
LEVEL 01 0' - 0" HSS20x4x1/2 POLY INFILL STAIR STRINGER PRECAST TREAD S.A.D. BUILT UP INTERMEDIATE LANDING CONC STAIRS CURB SIM TO 4/S5.300 LEVEL 1 SLAB SLIDING BEARING CONNECTION EMBED PLATE IN LANDING SLAB KEEPER ANGLES WELDED TO STRINGER EXP. 03/31/24 No. C78947 S T A T E O F C A L I F O R N I A R E G I S T E R E D P R O F E S S I O N A L E N G I N E E R N I N A A Z A D H M A H J O U B E C I V I L DATE SIGNED Project Name Project Number Description Scale Seal / Signature 28/10/2022 STAIR #1 DETAILS 18080.10 ATHLETICS, WELLNESS, & INNOVATION CENTER
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