Architectural · A-GR2KQ

Enlarged Stair Section with Steel Stringers and Guardrail

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This enlarged stair section details a steel staircase with MC 12"x10.6 channel stringers and 1 1/4" x 3/16" flat bar grating treads and landing, all finished with a galvanized coating. The stair framing is supported by a 2 1/2" diameter standard pipe column, also with a galvanized finish. A 1 1/4" standard pipe guardrail and handrail with rounded edges and a smooth, sanded finish runs along the assembly, paired with 1" diameter horizontal balusters spaced to prevent a 4" sphere from passing through. The stair configuration includes 6 risers at 7" maximum and 5 treads at 11" minimum.

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