Laserfiche WebLink
<br />r <br /> <br />PLANNING FLOOD DAMAGE PREVENTION <br /> <br />. , <br />,--. 'J <br />'.-,/.,- -., <br />'--,.", ' '"L <br />~ ", '1--'- <br />\ "',~ ." ,)/1 <br />'#'I..<I('vS,\Y....I'i.t.. <br /> <br />Where eonvereloo to open epsce use ie not within the capacity of <br /> <br />GulQelinee tor Use of Flood Plain Areas <br />Flood histories dePlonatrate that nature lD916ts on 1 t6 rights to the <br />floodplaln8odthatthelndivldualandthecOIIlIIlunitycallnotlgnorethese <br />rights without peril. In 1ta entirety, the flood plain haa varying degrees <br />or flood r1l1k. !nth" Interee'tofoptimUlllWle, ttooybe impraetlcalto <br />forego use of all parte of the flood plein. However, it ie evident that <br />flood plain enoroachment "hleh redClcee the hydraulic ef!'ideney of the <br />channel or the prilll8ry flood"'''y 80 8a to illerene the flood h""'l'lrd to <br /> <br />the COIlllllunity to llchleve, flood-proofing of atruct\lree 1e \lsrr"nted to <br /> <br />minimize flood 10s8e9. Theae roeaeurea may include adeq~~e atructural <br /> <br />stability to vithstand t'loods, ~nnanent dosun of low level op<!nlngll <br /> <br />with ~sonry, relocation or flood-proofing of machinery, electrical <br /> <br />e<l.'.>.1plllent snd 11Iventory ebove the probable flood elevation, and pro- <br />visions for "",tertight closures of doorvays by bul.kheads, severs by <br />valves, etc. <br /> <br />CONCLUSIONS <br /> <br />other property is likely to be egainat the cODlllon good, and thus subject <br />to public regu.lation. <br /> <br />It ia evident that encroachlllellt into rlood hazard areas occurs <br /> <br />'Ihe public interest requires primarily th8t encroachlllent of the <br />ch8nnelitaeU ahould be prohibited. The degree to vhich encroachment <br />of the flood plain ahould be prohibited in the public interest dependB <br />On the chsrscteristice of the flood plBin and tha nstv.re of potential <br /> <br />partially through lack Of knOW'ledge of flooding potentisle snd partially <br />through a belief' that the riSk of flooding 18 " threat of no ~i8te <br /> <br />1olportance. Increasing urban flood damages demonstrate th8t both lack <br /> <br />of intorll\8,t1on 8nd leck of' concern can inflict 8er1ouB economic penslties. <br />From Sn economic standpoint, three choices are svailable to the <br /> <br />Thc riak 0::: da:::3gallin t~c flood .,lll~ rn::J.gc 1':::00; the reI>Cated dao:age,. <br /> <br />eommwl1ty: (1) Endure t'lood losses 86 the price for use of the rlood <br />plBio; (2) Construct flood control 1mprovementB to eliminate the t'l<:>od <br />threall; <:>r (3) Use the t'looo pls1n<:>nly as VlIrrentedbya prudent regard <br />for flooding potentials. <br /> <br />encroachmentB. <br /> <br />or frequent floods to the remote but potenti!>!ly eatestr<.>phie dslll8ges of <br />the greater probable flood. llovever, in weighing the prudence of f'lood <br />plain occupance, it must be borne in mind that the relative infrequency <br />of the Isrger f'loOOa conveya no assurauce against their occurrence in the <br /> <br />r.e..rf\.lt.u-... FortLliIr""lioo, .leJ.lcatlo.iloilllllsuJ,,.,,,,1>j..dtoflooJ. <br /> <br />The public's choice a~ theae alternatives is not sl"aya .1~ple, <br />since: (1) Ulie of' portiona of the flood plain call aggr8vete the flood <br />proble~s of' other portions aDd. thua Violate the COllllllon good; (2) The <br /> <br />h.azard to open space cOlllllluuity use vith smaller damage potentials, such <br />as parka and parking lots, has tho advantage of cOllllIHmity......e of flood <br />plsin land~ ~ithout the risk o~ cata.trophie economie damages. <br /> <br />cost of the improvements required to achieve adequate control of flooda <br /> <br />may exceed the amount o~ preventable dsmsges. Moreover, the pUblie 1ll8y <br />be unwilling to bear the eost of Ulpl"OVements unless the eooznongood. i" <br />eufficient to justify correction o~ the problem at public exp811se; and <br /> <br />11 <br /> <br />12 <br />