Input data
A tsawo daga cikin tsani 2.5 m     (2500 mm)
Da tsawon da stairwell a cikin shirin 3 m     (3000 mm)
Yawan matakai 13
A kauri daga cikin matakai 50 mm
tsinkaya matakai 50 mm

hawan bene stringers
Length kosoura 3.873 m     (3873 mm)
A kwana na cikin tsani 39.8°

Girma matakai
A tsawo daga cikin matakai 0.192 m     (192 mm)
Zurfin matakai 0.281 m     (281 mm)
A tsawo daga cikin riser 0.142 m     (142 mm)