Metal grating stair treads are supported by a twelve-inch steel channel stringer. Tread support clips are welded to both the metal grating tread and the stringer. A clip fastens the tread to the tread support. The assembly is hot-dip galvanized after fabrication.
12" STEEL CHANNEL STRINGER, TYP CLIP TREAD TO TREAD SUPPORT 1" 11" MIN 7" MAX TREAD SUPPORT CLIP WELDED TO TREAD & STRINGER MTL GRATING TREAD NOTES: 1. HOT DIP GALVANIZE STEEL AFTER FABRICATION 2. SEE STAIR PLANS FOR RISE AND RUN
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