Spiral staircase

Floor height: 2670mm (105.12”)

Stairs diameter: 1500mm (59.06”)

Step Qty : 15 (top landing is horizontal with floor)

Step height: 178mm (7”)

Step length: 750mm (29.53”)

Center stringer: Dia 108mm Carbon steel

Tread:40mm

Railing height : 900mm

Railing : Dia 42mm post with Dia12mm steel pipe

Top handrail : PVC