Pastaim data
Hait bilong step 2.5 m     (2500 mm)
Longpela bilong step we i op long plen 3000 mm
Namba bilong ol step 13
Step tiknes 50 mm
Ovahang bilong ol step 50 mm

String bilong step
Longpela bilong string 4167 mm
Angle bilong step 39.8°

Ol sais bilong step
Hait bilong step 192 mm
Dip bilong step 281 mm
Hait bilong riser 142 mm