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RCC Design Engine / Staircase + Optimiser

Flight geometry

Risers N

Riser R (mm)

Tread T (mm)

Waist t (mm)

Landing 1 width

Landing 2 width

Landing spans

Clear cover (mm)

Loads

Live load (kN/m²)

Finish (kN/m²)

Materials

Concrete

Steel f_y

Proposed steel

Main bar dia

Main spacing

Dist. bar dia

Optimiser — rates

Concrete / m³

Steel / kg