98-77 AMENDING THE CITY CODE - CHAPTER 67.1

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(e) the finished interior grade shall not be less than the finished exterior grade; (fl all structural components below the flood protection elevation shall be , constructed of materials resistant to flood damage; . (g) water and sewer pipes, electrical and telephone lines, submersible pumps, and other service facilities may be located below the flood protection elevation provided they are waterproofed; and, (h) the area below the flood protection elevation shall be used solely for parking or building access and not occupied as habitable space. C. Manufactured homes, or travel trailers to be installed on site for more than 180 days, shall be: i. elevated to or above the flood protection elevation; and, ii. shall be anchored to resist flotation, collapse, or lateral movement by being tied down in accordance with the Rules and Regulations for the Illinois Mobile Home Tie-Down Act issued pursuant to 77 IL Adm. Code 870. D. Non-residential buildings may be structurally dry floodproofed (in lieu of elevation) provided a registered civil engineer certifies that: i. below the flood protection elevation the structure and attendant utility facilities are watertight and capable of resisting the effects of the base flood; ii. the building design accounts for flood velocities, duration, rate of rise, hydrostatic and hydrodynamic forces, the effects of buoyancy, and the impact from debris and ice; and, iii. flood proofing measures will be incorporated into the building design and operable without human intervention and without an outside source of electricity.