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Home My WebLink AboutOrdinance 10-1990 �� _ ORDINANCE N0. 10-90 AN ORDINANCE AMENDING CHAPTER 14.5 FLOOD DAMAGE PREVENTION RELATING TO FLOODPLAIN MANAGII�NT BY AMENDING PROVISIONS REQUIRED BY FINAL RULES PUBLISHED AUGUST 15, 1989 AND SEPTEMBER 29, 1989, PROMULGATED HY THE FEDERAL EMERGENCY MANAGEMENT AGENCY (FEMA) REVISING THE NATIONAL FLOOD INSURANCE PROGRAM (NFIP) . BE IT ORDAINED BY THE CITY CONIIKISSION OF THE CITY OF BROOKINGS, SOUTH DAKOTA. ARTICLE I . IN GENERAL DEFINITIONS (14.5-5) SECTION ONE: (Section �k14.5-5) defining the term "Manufac- tured Home" is hereby repealed and reenacted to read: "Manufac- tured Home" means a structure, transportable in one or more sections, which is built on a permanent chassis and is designed for use with or without a permanent foundation when attached to the required utilities . The term "manufactured home" does not include a "recreational vehicle" . SECTION TWO: (Section �k14.5-5) The term "New Manufactured Home Park or Subdivision" is hereby included to read: "New manufactured home park or subdivision" means a manufactured home park or subdivision for which the construction of facilities for servicing the lots on which the manufactured homes are to be affixed (including at a minimum, the installation of utilities, the construction of streets, and either final site grading or the pouring of concrete pads) is completed on or after the effective date of floodplain management regulations adopted by the commu- nity. SECTION THREE: (Section �k14.5-5) The term "Recreationnl Vehicle" is hereby included to read: "Recreational vehicle" means a vehicle which is (i ) built on a single chassis : (ii) 400 square feet or less when measured at the larlest horizontal projections : (iii ) designed to be self-propelled or permanently towable by a light duty truck; and tiv) desi3ned primarily not for use as a permanent dwelling but as temporary living quarters for recreational , camping, travel , or seasonal use . SECTION FOUR: (Section �k14.5-5) is hereby amended to include a definition for the term "Substantial Daunage" to read: "Substantial damage" means damage of any oriJin sustained by a structure whereby the cost of restoring the structure to its - 1 - . ' ` � before dama3e condition would equal or exceed 50 percent of the market value of the structure before the damage occurred. SECTION FIVE: (Section #14.5-5) defining the term "Sub- stantial Improvement" is hereby repealed and reenacted to read: "Substantial improvement" means any reconstruction, rehabilita- tion, addition, or other improvement of a structure, the cost of which equals or exceeds 50 percent of the market value of the structure before the "start of construction" of the improvement. lfiis term includes structures which have incurred "substantial damage" , regardless of the actual repair work performed. The term does not, however, include either: (1) Any project for improvement of a structure to correct existing violations of atate or local health, sanitary, or safety code specifications which have been identified by the lacal code enforcement officinl and which are the minimum necessary to assure safe living condi- tions or, (2) Any alteration of a "historic structure", provided that the structure 's continued designation as a "historic struc- ture" . ARTICLE III . PROVISIONS FOR FLOOD HAZARD REDUCTION SECTION SIX: (Section �k14.5-32) (3) is hereby repenled end reenacted to read: "Enclosed space below elevated building" . Require for all new construction and substantial improvements, that fully enclosed areas below the lowest floor that are usable 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 either be certified by a registered professional engineer or architect or meet or exceed the following minimum criteria : A minimum of two openings having a total new area of not less than one square inch for every square foot of enclosed area subject to flooding shall be provided. The bottom of all openings shall be no higher than one foot above grade . Openings may be equipped with screens, louvers, valves, or other coverings or devices provided that they permit the automatic entrY and exit of floodwaters . SECTION SEVEN: (Section #14.5-32) (4) is hereby repealed and reenacted to read: - 2 - : • ' . "Manufactured homes to be placed on a single lot or in a new or expansion to an existing manufactured home park or subdivision or in an existing manufactured home park or subdivision on which a manufactured home has incurred substantial damage as a result of a flood" . Require that manufactured homes that are placed or substantially improved within The 100 Year Flood Zone on the community's FIRM on sites (i) outside of a mnnufactured home park or subdivision, (ii) in a new manufactured home park or subdivision, (iii) in an expansion to an existing manufactured home park or subdivision on which a manufactured home has incurred "substantial damage" as a` result of a flood, be elevated on a permanent foundation such that the lowest floor on the manufactured home is elevated to or above the base flood elevation and be securely anchored to an adequately anchored foundation system to resist flotation col- lapse and lateral movement . "Manufactured homes to be placed in an existing manufactured home park or subdivision in which a manufactured home has not incurred substantial damage as a result of a flood" . Require that manufactured homes to be placed or substantially improved on sites in an existing manufactured home park or subdivision within The 100 Year Flood Zone on the communitY's FIRM that are not sub.iect to the provision of paragraph (c) (6) of this section be elevated so that either (i) the lowest floor of the manufactured home is at or above the base flood elevation, or (ii) the manufactured home chassis is supported by reinforced piers or other foundation elements of at least equivalent strength that are no less than 36 inches in height above grade and be securely anchored to an adequately anchored foundation system to resist floatation, collapse, and lateral movement . ALL ORDINANCES IN CONFLICT HEREWITH ARE HEREBY REPEALED. FIRST READING: April 17, 1990 April 24, 1990 SECOND READING AND ADOPTION: PUBLISHED: April 27, 1990 ATTEST: �� Nt$yGr � Finance Offic - 3 -