04-27-1978 Council Minutes - Laserfiche WebLink

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; Page Tl FLOOD PLAIN :iANAG�SEN? REQUIB�'`gNTS OP SECTION 1910.3(d) IN BRIEP The lisL belov outlines the flood plain aanage9ent requirements of Section 1910.3(d). T'hese requirenencs are stated in re�atory language and are intended to serve as a guideline in , formulating adequate flood plain manage�ent regulation�. S7hile the standards se[ out below � must be adopted consiscent vith Section 1910.3(d), they should be tailored for consistency vith local regula[ory language and co�nunity neede. Section 1910.3(d) requires that coc�unities participa[ing ia the Nacional Flood Insurance Program apply flood plain sanagemen[ aeasures ia areas identified by the Federal Insurance Administration (FIA) a� having special flood hazarda by zones A1-30, A0, and unn�bered A zones on [he comunity'� Flood Insurance Rate tSap (FIR*S). The folloving minimum require�ents apply in all zones designated on the FIRM: 1. Require per.ai[s for all proposed development in any area of special flood hazard. The term "development" Ss defined [o mean "any man—ca de change Co improved or uniflproved real esta[e, including but not liaited to buildinge or other structures, miniag, dzedging, filling, grading. paving, excavation or drilling operation�." 2. Reviev peraits for proposed developnent to assure that all other necessary permit� have been received from those governnental agencies from vhich approval is :equired by Federal or State lav. � 3. Requlre iha[ nev construction (including prefabricated buildings and nobile heaes) aad substantial iaprovements be anchored [o preven[ flotacion and laceral movemen[, and be construcLed vith flood resistant materials and me[hods. (See Section 1910.3(b)(8) for anchoring atandards for mobile homes). 6. Assure that subdivision proposals and proposals for other developmeats, including [heiz - utilitiea and drainage, are located and designed to be consisteat rrith the need to miaiaize flood damage. S. Require that all subdivision proposals and othez proposed nev developoents greater thaa � 5�J lo[s or 5 acres, vhichever is less, include base flood eievation data. � 6. Require nev vater and sever systems (including on—site sysie�s) [o be located and des:gned to avoid i�pairaent. ' � � 7. Ob[ain and maintain zecoids of elevations aad floodproofing levela for all nev or substantially improved structures. and vhether or not such structures contaia a bas�aent. . 8. In rioerine situa[ions, notify adjacent co�uni[ies and the State Coordinating Office , prior to any alteration or relocacion of a vatercourse and submit copies of such , notifica[ions to FIA. Liithin the altered or relocated portion of aay vacercourse, ; assun that the flood carrying capacity is maiatained. � � The folloving minim� requirements apply ia specific =ones designated on the FIRH: j9. In unmmmbered A zones, obtain, reviev, and reasonably utilize base flood elevation data • from alternative sources. pzior to its being provided by FIA through ite Flood Insurance , Rate Study, as criteria for requfzing that all aev residential structures and substantial improvemen[s to existing structures have their lovesi floor (including basement) eleva[ed t to or above the base flood level, and that new aonresidential structures and subatantial , improvementa to existiag structures have the lovest floor (including basemeat) elevated or � floodproofed to or above che base flood level.* 10. In zones A1.-30, for nev con9truction and substaatial improvements, require that: Residential structure� have the lovest floor (including 5asemeat) elevated to or above ` the base flood level. unles� Che comunity is granted aa exception for all Che allovance � of basementa andlor stora cellars by the FIA. ' ' Nonresiden[ial struciurea have the lovest floor (including basemen[) elevated to or above • the base flood level; or be floodproofed to or above that level.* r t t .