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QUANTITY OF STAIR

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  QUANTITY OF STAIR PARTS OF STAIRCASE Wibli02K4do/X6KAus2QCnI/AAAAAAAAA4Q/0muDULCbLu81HqiocdELcpjc_iJ3UjxNACLcBGAsYHQ/s259/parts-of-staircase.webp" style="margin-left: 1em; margin-right: 1em;"> A staircase is a compulsory part of a building that is provided to make a path between two floors. mainly two parts of the staircase  Step  and  Landing . Step : A step is mostly used on the triangular-shaped part of a staircase which sits on an inclined slab mean (Waist slab). A step also has two parts: Tread  and   Riser . Riser : it is the vertical portion of steps. Normally, the height of a riser is  6’’ to 8’’ inches . Tread : tread is the horizontal portion of a step. The width of a tread is normally kept  10’’to 12’’ inches . Landing:  landing is a horizontal slab which is provided in between the two flights of a  staircase .landing is mainly provided for changing the moving direction of a stair.      QUANTITY OF STA...