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ORDINANCE NO. 89- (9) Within any A99 zones on the County's FIRM the standards of paragraphs 211-16(b)(2) thru (b)(4)(i) and (b)(9) thru (b)(12) of this section shall be met- and all proposed construction, -or - other -development --including the placement of manufactured homes, shall be required to obtain permits- so- that, the Community Development- Department may determine whether such construction or other development is roposed_within_tIo_od-prone- areas (10)-- Until- a- regulatory -floodway is designated, no new construction, substantial improvements, or other development -(including -fill)- - shall be permitted -within -Zones Al -30 and AE on the County's FIRM, unless it is demonstrated that _the -cumulative -effect -of- the -proposed -development,-when combined with all other existing and anticipated development,- will- not increase -the- water surface elevation of the base flood more than one foot _at -any -point -within -the community_--Regulatory-floodway shall- mean the channel -of a river or other watercourse and the adjacent land areas that mus t be reserved in order to discharge the -base flood without -cumulatively -increasing the water surface elevation more than -a designated height_ (11) Within Zones AH and AO, adequate drainage paths- around -structures--on- slopes -to - guide flood -waters around -and away from proposed -structures -are -required. (d) --Regulatory floodway development regulations_ The Public Works Department shall utilize final flood elevations within Zones Al -30 and/or AE on the County's FIRM and, if available, utilize base flood elevations for the AO zones, AH zones, A99 zones, and A zones on the County's -FIRM to- designate--its--regulatory__ floodway-byselecting and adopting -a regulatory -floodway _based on theprinciplethat the area chosen for the -regulatory -floodway-must-be-designed ----------------------- to carry the water of the base flood, without increasing the CODING: Words in $tfUlkltVlr` Oft type are deletions from existing law; words underlined are additions. smeadsoft Reprint Date: Wednesday, August 14, 20131- 11:17:41 - OfficialDocuments:693, Attachment Id 0, Page 8