§ 14a.213. Underground tanks.
(a) At locations where there is an ample and dependable water supply available, underground tanks containing flammable or combustible liquids, so placed that more than 70% of their storage capacity will be submerged at the maximum flood stage, shall be so anchored, weighted or secured as to prevent movement when filled or loaded with water and submerged by flood water to the established flood stage. Tank vents or other openings which are not liquid tight shall be extended above maximum flood stage water level.
(b) At locations where there is no ample and dependable water supply or where filling of underground tanks with water is impractical because of the contents, each tank shall be safeguarded against movement when empty, and submerged by high ground water or flood water by anchoring or by securing by other means. Each such tank shall be so constructed and installed that it will safely resist external pressures if submerged.
Source The provisions of this § 13.213 amended June 22, 1984, effective June 18, 1984, 14 Pa.B. 2131; transferred from 37 Pa. Code and renumbered as 34 Pa. Code § 14a.213, February 28, 2014, effective March 1, 2014, 44 Pa.B. 1233. Immediately preceding text appears at serial page (259959).
Cross References This section cited in 34 Pa. Code § 14a.4 (relating to anchorage); 34 Pa. Code § 14a.23 (relating to anchorage); and 34 Pa. Code § 14a.211 (relating to scope).
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