Stairs & Fire Escapes

RBC Spiral Stair

RBC, Oak Ridge Mall

Assembled structural steel spiral staircase inside a building

THE STEEL SCOPE

25,000-lb spiral stair, five major sections; custom transport dolly, restricted route, overhead rigging, alignment and CJP welding.

CLIENT

West Coast Steel

THE FIELD STORY

A 25,000-lb spiral stair arrived in five major sections. A custom heavy-duty dolly moved sections along a restricted route before overhead rigging, precise fit-up and complete-joint-penetration welding brought the stair together on site.

Assembled structural steel spiral staircase inside a building
Assembled structural steel spiral staircase inside a building
Rigged spiral stair section above a wheeled transport dolly
Assembled structural steel spiral staircase inside a building
Assembled structural steel spiral staircase inside a building
Overhead view of a curved steel staircase and radial treads
Overhead view of a curved steel staircase and radial treads
Temporary overhead steel framing and lift equipment inside a stair installation area
Temporary overhead steel framing and lift equipment inside a stair installation area