Location Salt Lake City , Utah

Designer/Architect MJSA Architects

Duration Mar 2009 - Sept 2009

Scope - Soheil Mosun Limited was contracted to design engineer, build and install this monumental spiral

staircase for the OC Tanner flagship store, a re-developed heritage building in Salt Lake City, Utah.

Highlights - Set in the center of the store, this staircase spirals in two continuous 180 degree half circles, through

three levels to a height of 28'. The rolled and reinforced HSS primary stringer structure was engineered to support

the substantial loads imposed by the 1 1/2" thick polished white limestone treads and risers, the seamless white

plaster cladding at the edges and underside as well as the curved, tempered, Starfire glass guardrails. The

matching balustrade glass and smoke baffle glass enclose the 16' diameter floor openings while the rolled,

welded and seamless 1 1/2" diameter brushed stainless steel handrails and brackets provide support and

continuity.

OC Tanner - Monumental Spiral Staircase

Looking down through the staircase

The monumental spiral staircase in-situ at the OC Tanner flagship store Detail of the custom handrail

Smooth underside of the staircase

Detail of balustrades and railings

Sohei l Mosun Limi tedT: 416.243.1600F: 416.243.7132

www.mosun.com

34 Greensboro DriveToronto, OntarioCanada M9W 1E1

Check list for complete project sheets - (alter colour of check via styles when criteria is met)

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