STEP: combination of trade and riser. Different types are. • Commode steps: it has curved riser and tread • Dancing step: they don’t radiate from a common centre • Flier: ordinary step of rectangular shape in plan • Round ended step: similar to bullnose step except that its ends are sem- icircular in plan • Splayed step: it has either one end/both ends splayed in plan • Winder : this is a tapering step and is used to change the direction of a flight. The winders radiate from a common centre. • Tread: horizontal upper portion of a step. • Waist: thickness of structural slab in RCC stair • Carriage: a rough timber supporting steps of wooden stairs - Study24x7
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STEP: combination of trade and riser. Different types are. • Commode steps: it has curved riser and tread • Dancing step: they don’t radiate from a common centre • Flier: ordinary step of rectangular shape in plan • Round ended step: similar to bullnose step except tha...

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