(A) The following list of materials and substances are considered dangerous to human life:
(1) Acetone;
(2) Ammonia;
(3) Benzene;
(4) Calcium carbide;
(5) Carbon disulfide;
(6) Celluloid;
(7) Chlorine;
(8) Hydrochloric acid;
(9) Hydrocyanic acid;
(10) Magnesium;
(11) Nitric acid;
(12) Petroleum products (gasoline, fuel oil, and the like);
(13) Phosphorus;
(14) Potassium;
(15) Sodium;
(16) Sulfur and sulfur products;
(17) Pesticides (including insecticides, fungicides, and rodenticides); and
(18) Radioactive substances, insofar as such substances are not otherwise regulated.
(B) In accordance with the state’s Floodplain Management Act, 32 P.S. §§ 679.101 et seq., and the regulations adopted by the Department of Community and Economic Development as required by the Act, any new or substantially improved structure which:
(1) Will be used for the production or storage of any of the dangerous materials or substances identified in division (A) above;
(2) Will be used for any activity requiring the maintenance of a supply of more than 550 gallons, or other comparable volume, of any of the dangerous materials or substances identified in division (A) above on the premises; and
(3) Will involve the production, storage, or use of any amount of radioactive substances shall be subject to the provisions of this section, in addition to all other applicable provisions.
(C) Within any FW (Floodway), any structure of the kind described in division (B) above shall be prohibited.
(D) (1) Where permitted within any FF (Flood-Fringe Area) or FA (General Floodplain Area), any structure of the kind described in division (B) above shall be:
(a) Elevated or designed and constructed to remain completely dry up to at least one and one- half feet above the 100-year flood; and
(b) Designed to prevent pollution from the structure or activity during the course of a 100-year flood.
(2) Any such structure, or part thereof, that will be built below the regulatory flood elevation shall be designed and constructed in accordance with the standards for completely dry flood-proofing contained in the publication Flood-Proofing Regulations (U. S. Army Corps of Engineers, June 1972), or with some other equivalent watertight standard.
(Ord. 2012-02, passed 4-2-2012)