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1. In accordance with the Pennsylvania Flood Plain Management Act, and the regulations adopted by the Department of Community and Economic Development as required by the Act, any new or substantially improved structure which:
A. Will be used for the production or storage of any of the following dangerous materials or substances; or
B. 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 following dangerous materials or substances on the premises; or
C. 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. The following list of materials and substances are considered dangerous to human life:
Acetone
Ammonia
Benzene
Calcium carbide
Carbon disulfide
Celluloid
Chlorine
Hydrochloric acid
Hydrocyanic acid
Magnesium
Nitric acid and oxides of nitrogen
Petroleum products (gasoline, fuel oil, etc.)
Phosphorus
Potassium
Sodium
Sulphur and sulphur products
Pesticides (including insecticides, fungicides, and rodenticides)
Radioactive substances, insofar as such substances are not otherwise regulated.
2. Within any identified floodplain area, any new or substantially improved structure of the kind described in Subsection 1., above, shall be prohibited within the area measured 50 feet landward from the top-of-bank of any watercourse.
3. Within any floodway area, any structure of the kind described in Subsection 1., above, shall be prohibited. Where permitted within any identified floodplain area, any new or substantially improved residential structure of the kind described in § 4-144.1., above, shall be elevated to remain completely dry up to at least one and one-half feet above base flood elevation and built in accordance with §§ 4-141, 4-142 and 4-143.
A. Elevated, or designed and constructed to remain completely dry up to at least one and one-half feet above base flood elevation, and
B. Designed to prevent pollution from the structure or activity during the course of a base flood.
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 floodproofing contained in the publication “Flood-Proofing Regulations” (U.S. Army Corps of Engineers, June 1972 as amended March 1992), or with some other equivalent watertight standard.
(Ord. 2015-07, 11/23/2015)
All subdivision proposals and development proposals containing at least 50 lots or at least five acres, whichever is the lesser, in identified floodplain areas where base flood elevation data are not available, shall be supported by hydrologic and hydraulic engineering analyses that determine base flood elevations and floodway information. The analyses shall be prepared by a licensed professional engineer in a format required by FEMA for a conditional letter of map revision and letter of map revision. Submittal requirements and processing fees shall be the responsibility of the applicant.
(Ord. 2015-07, 11/23/2015)
1. Within any floodway area/district, manufactured homes shall be prohibited.
2. Within any identified floodplain area manufactured homes shall be prohibited within the area measured 50 feet landward from the top-of-bank of any watercourse.
3. Where permitted within any identified floodplain area, all manufactured homes, and any improvements thereto, shall be:
A. Placed on a permanent foundation;
B. Elevated so that the lowest floor of the manufactured home is at least one and one-half feet above base flood elevation; and
C. Anchored to resist flotation, collapse, or lateral movement; and
D. Have all ductwork and utilities including HVAC/heat pump elevated to the regulatory flood elevation.
E. Provide adequate surface drainage.
F. Provide adequate access for a hauler.
4. Where pilings are used for elevation, the lots shall be large enough to permit steps; piling foundations shall be placed in stable soil no more than ten feet apart; reinforcement shall be provided for pilings that will extend for six feet or more above the ground.
5. Installation of manufactured homes shall be done in accordance with the manufacturers' installation instructions as provided by the manufacturer. Where the applicant cannot provide the above information, the requirements of Appendix E of the 2009 “International Residential Building Code” or the “U.S. Department of Housing and Urban Development’s Permanent Foundations for Manufactured Housing,” 1984 Edition, draft or latest revision thereto and 34 PA Code Chapter 401-405 shall apply.
6. Consideration shall be given to the installation requirements of the 2009 IBC, and the 2009 IRC or the latest edition thereto adopted by the State of Pennsylvania, and 34 PA Code, as amended where appropriate and/or applicable to units where the manufacturers' standards for anchoring cannot be provided or were not established for the proposed unit(s) installation.
7. An evacuation plan indicating alternate vehicular access and escape routes shall be filed with Dover Township for manufactured home parks and manufactured home subdivisions where appropriate.
(Ord. 2015-07, 11/23/2015)
Recreational vehicles in Zones A, A1-30, AH and AE must either:
A. Be on the site for fewer than 180 consecutive days, and
B. Be fully licensed and ready for highway use, or
C. Meet the permit requirements for manufactured homes in Section § 4-146.
(Ord. 2015-07, 11/23/2015)
E. Activities Requiring Special Permits
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