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Stair weight calculator

Table of Contents

Figure

Stair dimensions

Plan Width, B mm

Plan length, L mm

Elevation change, H mm

Number of risers

Throat thickness, t mm

Dimension checks

(to Table 11.2.2a NCC 2022)

Riser height, R mm 115 mm < R < 190 mm

Going length, G mm 240 mm < G < 355 mm

Slope relationship, 2R+G mm 550 mm < 2R+G < 700 mm

Quantities + weight

Throat volume m3

Tread volume m3

Total volume m3

Concrete weight kN/m3

Self weight, SW kN, kg, kPa

Loads

Total

SDL kPa, LL kPa

SW+SDL kN, LL kN

Per landing

SW+SDL kN, LL kN

SW+SDL kN/m, LL kN/m