Wire mesh or plywood (exterior grade) shall be used to cover openings adjacent to columns where planks do not fit tightly.
(Added by Stats. 1970, Ch. 1498.)
Lab. Code § 7257, under Structural Steel Framed Buildings.
Lab. Code § 7257
Wire mesh or plywood (exterior grade) shall be used to cover openings adjacent to columns where planks do not fit tightly.
(Added by Stats. 1970, Ch. 1498.)