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(ii) be fully licensed and ready for highway use (defined as being on its wheels or jacking system, is attached to the site only by quick disconnect type utilities and security devices, and has no permanently attached additions); or (iii) meet the requirements for"manufactured homes" as stated earlier in this section. (7) Accessory Structures. Relief to the elevation or dry floodproofing standards may be granted for accessory structures. Such structures must meet the following standards: a) Shall not be used for human habitation. b) Shall be constructed of flood resistant materials. c) Shall be constructed and placed on the lot to offer the minimum resistance to the flow of floodwaters. d) Shall be firmly anchored to prevent flotation. e) Service facilities such as electrical and heating equipment shall be elevated or floodproofed to or above the FPG. f) Shall be designed to allow for the entry and exit of floodwaters to automatically equalize hydrostatic flood forces on exterior walls as required for elevated structures in Article 5, Section B. 4. (8) Above Ground Gas or Liquid Storage Tanks. Ali above ground gas or liquid storage tanks shall be anchored to prevent flotation or lateral movement. Section C. Standards for Subdivision Proposals. (1) All subdivision proposals shall be consistent with the need to minimize flood damage. (2) All subdivision proposals shall have public utilities and facilities such as sewer, gas, electrical, and water systems located and constructed to minimize flood damage. (3) All subdivision proposals shall have adequate drainage provided to reduce exposure to flood hazards. (4) Base flood elevation data shall be provided for subdivision proposals and other proposed development (including manufactured home parks and subdivisions), which is greater than the lesser of fifty(50) lots or five (5) acres. Section D. Critical Facility. Construction of new critical facilities shall be, to the extent possible, located outside the limits of the SFHA. Construction of new critical facilities shall be permissible within the SFHA if no feasible alternative site is available. Critical facilities constructed within the SFHA shall have the lowest floor elevated to or above the FPG at the site. Floodproofing and sealing measures must be taken to ensure that toxic substances will not be displaced by or released into floodwaters. Access routes elevated to or above the FPG shall be provided to all critical facilities to the extent possible. Section E. Standards for Identified Floodways. Located within SFHAs, established in Article 3, Section B, are areas designated as floodways. The floodway is an extremely hazardous area due to the velocity of floodwaters, which carry debris, potential projectiles, and has erosion potential. If the site is in an identified floodway, the Floodplain Administrator shall require the applicant to forward the application, along with all pertinent plans and specifications, to the Indiana Department of Natural Resources and apply for a permit for construction in a floodway. Under the provisions of IC 14-28-1 a permit for construction in a floodway from the Indiana Department of Natural Resources is required prior to the issuance of a local building permit for any excavation, deposit, construction, or obstruction activity located in the floodway. This includes land preparation activities such as filling, grading, clearing and paving etc. undertaken before the actual Page 115