The stair tower is certified to BSEN standards and is manufactured in accordance with requirements of the management system standards detailed in ISO 9001:2000

It has a footprint of 3.0m by 1.6m

The maximum construction height for a temporary stair case with platform levels and stair flights every two metres is 40 m. it must be anchored to a structure at each platform level on both sides of the inner and outer standards using scaffold tube and couplers.

Stairs and landings have a safe working load of 1.5kN/sq.m