This mechanical shaft floor opening plan details the dimensional layout of a shaft measuring eight feet four inches by seven feet nine inches overall, with a floor opening size of four feet ten inches by four feet ten inches. The assembly is located with respect to grid lines using specific offset dimensions including one foot zero inches, one foot one inch, and one foot eleven inches. Additional opening and clearance dimensions of six inches and six feet nine inches establish the spatial configuration within the floor slab.
8' - 4" 1' - 0" MECHANICAL SHAFT 1S2 FL. OPNG. 4' - 10" 1' - 10" FL. OPNG. 4' - 10" 1' - 11" 6' - 9" 1' - 1" 6" 7' - 9"
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