Rack-ladder as and Rack-pass are main elements of scaffolding offered by "Scaffolding Kiev"

standard rack width 1.06 m
narrow rack of scaffolding: width 69cm
rack height 2m

The difference:
Rack-pass differs from rack-ladder without two jumpers that workers could pass through this rack.

That hence the name: "Rack-pass"

Stairs are needed to lift workers to the correct tier of scaffolding

When using facade frame scaffold for masonry - Front-rack provides step 0.5 m