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PDFWAC 246-359-430

Floors for concrete masonry units (CMU).

(1) Floors must be concrete slab on grade and not less than three and one-half inches thick reinforced with "6 x 6 10/10 welded wire mesh (wwm)," and be constructed with not less than four sacks of cement per cubic yard.
(2) When concrete is used as the finished floor it must be sealed or finished according to WAC 246-359-530, interior finishes.
[Statutory Authority: RCW 70.114A.081. WSR 99-03-065, ยง 246-359-430, filed 1/18/99, effective 2/18/99.]
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