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§ 151.31 SUBSTANTIAL DAMAGE DETERMINATIONS.
   (A)   Damages to structures may result from a variety of causes including flood, tornado, wind, heavy snow, fire, etc. After such a damage event, the Building Inspector shall:
      (1)   Determine whether damaged structures are located in special flood hazard areas;
      (2)   Conduct substantial damage determinations for damaged structures located in special flood hazard areas; and
      (3)   Make reasonable attempt to notify owners of substantially damaged structures of the need to obtain a floodplain development permit prior to repair, rehabilitation, or reconstruction.
   (B)   Additionally, the Building Inspector may implement other measures to assist with the substantial damage determination and subsequent repair process. These measures include issuing press releases, public service announcements, and other public information materials related to the floodplain development permits and repair of damaged structures; coordinating with other federal, state, and local agencies to assist with substantial damage determinations; providing owners of damaged structures materials and other information related to the proper repair of damaged structures in special flood hazard areas; and assist owners of substantially damaged structures with increased cost of compliance insurance claims.
(Ord. 5-1-2004, passed 5-11-04)
USE AND DEVELOPMENT STANDARDS FOR FLOOD HAZARD REDUCTION
§ 151.50 APPLICATION.
   The following use and development standards apply to development wholly within, partially within, or in contact with any special flood hazard area as established in § 151.04 or § 151.30(A).
(Ord. 5-1-2004, passed 5-11-04)
§ 151.51 USE REGULATIONS.
   (A)   Permitted uses. All uses not otherwise prohibited in this section or any other applicable land use regulations adopted by the Village of Terrace Park are allowed provided they meet the provisions of these regulations.
   (B)   Prohibited uses.
      (1)   Private water supply systems in all special flood hazard areas identified by FEMA, permitted under R.C. Chapter 3701.
      (2)   Infectious waste treatment facilities in all special flood hazard areas, permitted under R.C. Chapter 3734.
(Ord. 5-1-2004, passed 5-11-04)
§ 151.52 WATER AND WASTEWATER SYSTEMS.
   The following standards apply to all water supply, sanitary sewerage and waste disposal systems not otherwise regulated by the Ohio Revised Code:
   (A)   All new and replacement water supply systems shall be designed to minimize or eliminate infiltration of flood waters into the systems;
   (B)   New and replacement sanitary sewerage systems shall be designed to minimize or eliminate infiltration of flood waters into the systems and discharge from the systems into flood waters; and,
   (C)   On-site waste disposal systems shall be located to avoid impairment to or contamination from them during flooding.
(Ord. 5-1-2004, passed 5-11-04)
§ 151.53 SUBDIVISIONS AND LARGE DEVELOPMENTS.
   (A)   All subdivision proposals shall be consistent with the need to minimize flood damage and are subject to all applicable standards in these regulations;
   (B)   All subdivision proposals shall have public utilities and facilities such as sewer, gas, electrical, and water systems located and constructed to minimize flood damage;
   (C)   All subdivision proposals shall have adequate drainage provided to reduce exposure to flood damage; and
   (D)   In all areas of special flood hazard where base flood elevation data are not available, the applicant shall provide a hydrologic and hydraulic engineering analysis that generates base flood elevations for all subdivision proposals and other proposed developments containing at least 50 lots or five acres, whichever is less.
   (E)   The applicant shall meet the requirement to submit technical data to FEMA in § 151.29 (A)(1)(d) when a hydrologic and hydraulic analysis is completed that generates base flood elevations as required by division (D) above.
(Ord. 5-1-2004, passed 5-11-04)
§ 151.54 RESIDENTIAL STRUCTURES.
   (A)   New construction and substantial improvements shall be anchored to prevent flotation, collapse, or lateral movement of the structure resulting from hydrodynamic and hydrostatic loads, including the effects of buoyancy. Where a structure, including its foundation members, is elevated on fill to or above the base flood elevation, the requirements for anchoring (this division (A)) and construction materials resistant to flood damage (division (B) below) are satisfied.
   (B)   New construction and substantial improvements shall be constructed with methods and materials resistant to flood damage.
   (C)   New construction and substantial improvements shall be constructed with electrical, heating, ventilation, plumbing and air conditioning equipment and other service facilities that are designed and/or elevated so as to prevent water from entering or accumulating within the components during conditions of flooding.
   (D)   New construction and substantial improvement of any residential structure, including manufactured homes, shall have the lowest floor, including basement, elevated to or above the flood protection elevation. In Zone AO areas with no elevations specified, the structure shall have the lowest floor, including basement, elevated at least two feet above the highest adjacent natural grade.
   (E)   New construction and substantial improvements, including manufactured homes, that do not have basements and that are elevated to the flood protection elevation using pilings, columns, posts, or solid foundation perimeter walls with openings sufficient to allow unimpeded movement of flood waters may have an enclosure below the lowest floor provided the enclosure meets the following standards:
      (1)   Be used only for the parking of vehicles, building access, or storage; and
      (2)   Be designed and certified by a registered professional engineer or architect to automatically equalize hydrostatic flood forces on exterior walls by allowing for the entry and exit of floodwaters or Have a minimum of two openings on different walls having a total net area not less than one square inch for every square foot of enclosed area, and the bottom of all such openings being no higher than one foot above grade. The openings may be equipped with screens, louvers, or other coverings or devices provided that they permit the automatic entry and exit of floodwaters.
   (F)   Manufactured homes shall be affixed to a permanent foundation and anchored to prevent flotation, collapse or lateral movement of the structure resulting from hydrodynamic and hydrostatic loads, including the effects of buoyancy. Methods of anchoring may include, but are not limited to, use of over-the-top or frame ties to ground anchors.
   (G)   Repair or rehabilitation of historic structures upon a determination that the proposed repair or rehabilitation will not preclude the structures continued designation as a historic structure and is the minimum necessary to preserve the historic character and design of the structure, shall be exempt from the development standards of this section.
   (H)   In AO Zones, new construction and substantial improvement shall have adequate drainage paths around structures on slopes to guide floodwaters around and away from the structure.
(Ord. 5-1-2004, passed 5-11-04)
§ 151.55 NONRESIDENTIAL STRUCTURES.
   (A)   New construction and substantial improvement of any commercial, industrial or other nonresidential structures shall meet the requirements of § 151.54 (A) through (C) and (F) through (G).
   (B)   New construction and substantial improvement of any commercial, industrial or other non-residential structure shall either have the lowest floor, including basement, elevated to or above the level of the flood protection elevation; or, together with attendant utility and sanitary facilities, shall meet all of the following standards:
      (1)   Be dry floodproofed so that the structure is watertight with walls substantially impermeable to the passage of water to the level of the flood protection elevation;
      (2)   Have structural components capable of resisting hydrostatic and hydrodynamic loads and effects of buoyancy; and,
      (3)   Be certified by a registered professional engineer or architect, through the use of a Federal Emergency Management floodproofing certificate, that the design and methods of construction are in accordance with divisions (B)(1) and (2) above.
   (C)   In Zone AO areas with no elevations specified, the structure shall have the lowest floor, including basement, elevated at least two feet above the highest adjacent natural grade.
(Ord. 5-1-2004, passed 5-11-04)
§ 151.56 ACCESSORY STRUCTURES.
   Relief to the elevation or dry floodproofing standards may be granted for accessory structures containing no more than 600 square feet. Such structures must meet the following standards:
   (A)   They shall not be used for human habitation;
   (B)   They shall be constructed of flood resistant materials;
   (C)   They shall be constructed and placed on the lot to offer the minimum resistance to the flow of flood waters;
   (D)   They 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 level of the flood protection elevation; and
   (F)   They shall meet the opening requirements of § 151.54(E)(3).
(Ord. 5-1-2004, passed 5-11-04)
§ 151.57 RECREATIONAL VEHICLES.
   Recreational vehicles must meet at least one of the following standards:
   (A)   They shall not be located on sites in special flood hazard areas for more than 180 days; or
   (B)   They must be fully licensed and ready for highway use; or
   (C)   They must meet all standards of § 151.54.
(Ord. 5-1-2004, passed 5-11-04)
§ 151.58 ABOVE GROUND GAS OR LIQUID STORAGE TANKS.
   All above ground gas or liquid storage tanks shall be anchored to prevent flotation or lateral movement resulting from hydrodynamic and hydrostatic loads.
(Ord. 5-1-2004, passed 5-11-04)
§ 151.59 ASSURANCE OF FLOOD CARRYING CAPACITY.
   Pursuant to the purpose and methods of reducing flood damage stated in these regulations, the following additional standards are adopted to assure that the reduction of the flood carrying capacity of watercourses is minimized:
   (A)   Development in floodways.
      (1)   In floodway areas, development shall cause no increase in flood levels during the occurrence of the base flood discharge. Prior to issuance of a floodplain development permit, the applicant must submit a hydrologic and hydraulic analysis, conducted by a registered professional engineer, demonstrating that the proposed development would not result in any increase in the base flood elevation; or
      (2)   Development in floodway areas causing increases in the base flood elevation may be permitted provided all of the following are completed by the applicant:
         (a)   Meet the requirements to submit technical data in § 151.29(A);
         (b)   An evaluation of alternatives which would not result in increased base flood elevations and an explanation why these alternatives are not feasible;
         (c)   Certification that no structures are located in areas which would be impacted by the increased base flood elevation;
         (d)   Documentation of individual legal notices to all impacted property owners within and outside the community, explaining the impact of the proposed action on their property; and
         (e)   Concurrence of the Building Inspector and the Chief Executive Officer of any other communities impacted by the proposed actions.
   (B)   Development in riverine areas with base flood elevations but no floodways.
      (1)    In riverine special flood hazard areas identified by FEMA where base flood elevation data are provided but no floodways have been designated, the cumulative effect of any proposed development, when combined with all other existing and anticipated development, shall not increase the base flood elevation more than 1.0 foot at any point. Prior to issuance of a floodplain development permit the applicant must submit a hydrologic and hydraulic analysis, conducted by a registered professional engineer, demonstrating that this standard has been met; or,
      (2)   Development in riverine special flood hazard areas identified by FEMA where base flood elevation data are provided but no floodways have been designated causing more than one foot increase in the base flood elevation may be permitted provided all of the following are completed by the applicant:
         (a)   An evaluation of alternatives which would result in an increase of one foot or less of the base flood elevation and an explanation why these alternatives are not feasible;
         (b)   Division(A)(2), items (a) and (c) through (e) above.
   (C)   Alterations of a watercourse. For the purpose of these regulations, a watercourse is altered when any change occurs within its banks. The extent of the banks shall be established by a field determination of the "bankfull stage." The field determination of "bankfull stage" shell be based on methods presented in Chapter 7 of the USDA Forest Service General Technical Report RM-245, Stream Channel Reference Sites, An Illustrated Guide to Field Technique or other applicable publication available from a federal, state, or other authoritative source. For all proposed developments that alter a watercourse, the following standards apply:
      (1)   The bankfull flood carrying capacity of the altered or relocated portion of the watercourse shall not be diminished. Prior to the issuance of a floodplain development permit, the applicant must submit a description of the extent to which any watercourse will be altered or relocated as a result oft he proposed development, and certification by a registered professional engineer that the bankfull flood carrying capacity of the watercourse will not be diminished.
      (2)   Adjacent communities, the U.S. Army Corps of Engineers, and the Ohio Department of Natural Resources, Division of Water, must be notified prior to any alteration or relocation of a watercourse. Evidence of such notification must be submitted to the Federal Emergency Management Agency.
      (3)   The applicant shall be responsible for providing the necessary maintenance for the altered or relocated portion of said watercourse so that the flood carrying capacity will not be diminished. The Building Inspector may require the permit holder to enter into an agreement with the Village of Terrace Park specifying the maintenance responsibilities. If an agreement is required, it shall be made a condition of the floodplain development permit.
      (4)   The applicant shall meet the requirements to submit technical data in § 151.29(A)(1)(c) when an alteration of a watercourse results in the relocation or elimination of the special flood hazard area, including the placement of culverts.
(Ord. 5-1-2004, passed 5-11-04)
APPEALS AND VARIANCES
§ 151.70 APPEALS BOARD ESTABLISHED.
   The Zoning Board of Appeals is hereby established as the appeals board for variance applications submitted under these regulations.
(Ord. 5-1-2004, passed 5-11-04)
§ 151.71 POWERS AND DUTIES.
   (A)   The Zoning Board of Appeals shall hear and decide appeals where it is alleged there is an error in any order, requirement, decision or determination made by the Building Inspector in the administration or enforcement of these regulations.
   (B)   The Zoning Board of Appeals shall authorize variances in accordance with § 151.73 of these regulations.
(Ord. 5-1-2004, passed 5-11-04)
§ 151.72 APPEALS.
   Any person affected by any notice and order, or other official action of the Building Inspector regarding this Chapter 151 may request and shall be granted a hearing on the matter before the Zoning Board of Appeals provided that such person shall file, within 21 days of the date of such notice and order, or other official action, a brief statement of the grounds for such hearing or for the mitigation of any item appearing on any order of the Building Inspector's decision. Such appeal shall be in writing, signed by the applicant, and be filed with the Building Inspector. Upon receipt of the appeal, the Building Inspector shall transmit said notice and all pertinent information on which the Building Inspector's decision was made to the Zoning Board of Appeals. Upon receipt of the notice of appeal, the Zoning Board of Appeals shall fix a reasonable time for the appeal, give notice in writing to parties in interest, and decide the appeal within a reasonable time after it is submitted.
(Ord. 5-1-2004, passed 5-11-04)
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