The type of staircase used on most building sites is a Haki system that has adjustable feet and various lengths and heights from 1.5m to 2m to make sure the staircase is erected to the correct levels for accessing floor and scaffold levels. This system includes handrails for edge protection and if needed toeboards.

The type of staircase used for pedestrian walkways for scenarios like a substitute fire exit is a Layher type staircase and this is an aluminum staircase system with extra width treads to comply with the rules and regulations set out by the highways agency for public access. These types of tower staircases can be built to any height and anything above 10m will need to be tied into the building using a hilti type fixing or physical ties using scaffolding tube and fittings.