The general contractor shall provide a level slab, steel troweled to a tolerance of 1/8" (3mm) in a 10'-0" (3m) radius and subject to the approval of the wood floor contractor.
Moisture barriers must be adequate for conditions.
MFMA does not acknowledge the use of FF/FL numbers to measure levelness/flatness tolerances in gymnasium concrete slabs.
Concrete shall not use river gravel or pea gravel and have an average of 3500 psi. compressive strength. Concrete must be cured for 60 days before installation can begin.
The concrete slab shall be depressed: 2” (50mm) for 25/32” (20mm) flooring.
