The detail illustrates the reinforcement layout for a concrete stair assembly, including 15M reinforcing bars spaced at 250mm, nosing bars hooked into the side wall, and 15M@250 dowels at the stair landing. A mud slab is shown beneath the primary structural foundation element, and dimensions indicate a 75mm and 150mm stair waist thickness. Reinforcement details for the adjacent wall and floor slab are also shown.
Text on the drawing
450 15M@250 DOWELS 1-15M NOSING BAR, HOOK BOTH ENDS INTO SIDE WALL 15M@250 75 150 NOSING & TREAD DETAILS SEE ARCH DRAWINGS 15M@250 EW CENTRED 15M@250 EW EF 50 MUD SLAB 1200 300
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