92-060 Ordinance - Laserfiche WebLink

Home Browse Search

??. . , . . ? . .,..µ (3) They shall be constructed and placed on the building site so as to offer the minimum resistance to the flow of floodwaters; (4) They shall be firmly anchored to prevent flotation; and (5) Service facilities such as electrical and heating equipment shall be elevated or floodproofed. (d) Manufactured Homes. The following standazds shall apply to all new and substantially improved manufactured homes not subject to the manufactured home requirements of Ohio R.C. 3733.01. (1) Manufactured homes shall be anchored in accordance with Section 1361.07(b)(2). (2) Manufactured homes shall be elevated on a permanent foundation such that the lowest floor of the manufactured home is at or above the base flood elevation. (e) Enclosures Below the Lowest Floor. The following standards apply to a11 new and substantially improved residential and nonresidential structures which are elevated to the base flood elevation using pilings, columns, or posts. Fully enclosed areas below the lowest floor that are useable solely for parking of vehicles, building access or storage in an area other than a basement and which are subject to flooding shall be designed to automatically equalize hydrostatic flood forces on exterior walls by allowing for the entry and exit of floodwaters. Designs for meeting this requirement must: (1) Be certified by a registered professional engineer or architect; or (2) Must meet or exceed the following criteria: (i) a minimum of two openings having a total net area of not less than one squaze inch for every square foot of enclosed area subject to flooding shall be provided. (ii) the bottom of a11 openings shall be no higher than one foot above grade. Openings may be equipped with screens, louvers, valves, or other openings provided that they permit the automatic entry and exit of floodwaters. 1361.09 FLOODWAYS. The Flood Insurance Study referenced in Section 1361.03(b), identifies a segment within areas of special flood hazard known as a floodway. Floodways may also be delineated in other sources of flood information as specified in Section 1361.05(c). The floodway is an extremely hazardous area due to the velocity of floodwaters which carry debris, potential projectiles and erosion potential. The following provisions apply with all delineated floodway areas: (a) Prohibited encroachments, including fill, new construction, substantial improvements and other development unless a hydraulic and hydraulic analysis performed in accordance with standard engineering practices demonstrates that encroachments shall not result in any increase in flood levels during the occurrence of the base flood discharge. 13