§ 15.20. Painting and treatment of members.
(a) Steel. Steelwork may be either painted or galvanized by the hot-dip process. If galvanized, it shall be thoroughly cleaned and the minimum thickness or weight of zinc applied shall be .0034 inch, or 2 ounces per square foot of surfaces (1 ounce of zinc per square foot of surface corresponds to a coating thickness of .0017 inch). The galvanized coating shall be capable of withstanding a six dip Preece Test. If painted, it shall be thoroughly cleaned and given not less than one coat of rust inhibiting paint of the best quality.
(b) Wood. Wood in contact with the earth shall be pressure treated with creosote or an equal preservative. Other wood shall be either pressure treated or given not less than one coat of good protecting paint, varnish, lacquer or an equivalent finish, either before or not more than 2 weeks after erection.
The provisions of this § 15.20 adopted August 15, 1933; amended through July 1, 1968.
This section cited in 34 Pa. Code § 15.11 (relating to applicability); and 34 Pa. Code § 15.16 (relating to foundations).
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