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Federal Emergency Management Agency .... resist floatation, collapse, and lateral movement. (13) Notwithstanding any other provi- sions' of ~60.3. a community may ap- prove certain development in Zones Al- 30, AE, and AH, on the community's FffiM which increase the water surface elevation of the base flood by more than one foot, provided that the com- munity first applies for a conditional FIRM revision, fulfills the require- ments for such a revision as estab- lished under the provisions of ~65.12, and receives the approval of the Ad- ministrator. (14) Require that recreational vehi- cles placed on sites within Zones Al-30, AR, and AE on the community's FIRM either (i) Be on the site for fewer than 180 consecutive days, (ii) Be fully licensed and ready' for highway use, or (ill) Meet the permit requirements of paragraph (b)(l) of this section and the elevation and anchoring requirements for "manufactured homes" in para- graph (c)(6) of this section. A recreational vehicle is ready for highway use if it is on its wheels or jacking system, is attached to the site only by quick disconnect type utilities and security devices, and has no per- manently attached additions. (d) When the Administrator has pro- vided a notice of f"mal base flood ele- vations within Zones Al-30 and/or AE on the community's FffiM and, if ap- propriate, has designated AO zones, AH zones, A99 zones, and A zones on the community's FffiM, and has provided data from which the community shall designate its regulatory floodway, the community shall: (1) Meet the requirements of para- graphs (c) (1) through (14) of this sec- tion; (2) Select and adopt a regulatory floodway based on the prinCiple that the area cliosen for the regulatory floodway must be designed to carry the waters of the base flood, without in- creasing the water surface elevation of that flood more than one foot at any point; (3) Prohibit encroachments, includ- ing fill, new construction, substantial improvements, and other development within the adopted regulatory !i60.3 floodway unless it has been dem- onstrated through hydrologic and hy- draulic analyses performed in accord- ance with standard engineering prac- tice that the proposed <encroachment would not result in any increase in flood levels within the community dur- ing the occurrence of the base flood discharge; (4) Notwithstanding any other provi- sions of ~60.3, a community may per- mit encroachments within the adopted regulatory floodway that would result in an increase in base fl,)od elevations, provided that the comm.unity first ap- plies for a conditioIll~1 FIRM and floodway revision, fulfills the require- ments for such revisioIlli as established under the prOvisions of f 65.12, and re- ceives the approval of the Adminis- trator. (e) When the Adminilitrator has pro- vided a notice of f"mal base flood ele- vations within Zones J.l-30 and/or AE on the community's FlRM and, if ap- propriate, has designatlld AH zones, AO zones, A99 zones, and A zones on the community's FIRM. and has identified on the community's FIRM coastal high hazard areas by designating Zones Vl- 30, VE. and/or V, the c1)mmunity shall: (1) Meet the requirements of para- graphs (c)(l) through (14) of this sec- tion; (2) Within Zones VI-30, VE, and V on a community's FffiM, (i ) obtain the elevation (in relation to mean sea level) of the bottolIl of the lowest structural member of the lowest floor (excluding pilings anct columns) of all new and substantiall:y' improved struc- tures, and whether or not such struc- tures contain a bauement, and (ii) maintain a record of all such informa- tion with the official designated by the community under ~59.22(a)(9)(iii); (3) Provide that all new construction within Zones Vl-30, VE, and V on the community's FffiM iI' located landward of the reach of mean high tide; (4) Provide that all new construction and substantial improvements in Zones Vl-30 and VE. and also Zone V if base flood elevation data is available, on the community's FmM, are elevated on pilings and columns :so that (i) the bot- tom of the lowest horizontal structural member of the lowest floor (excluding the pilings or colunms) is elevated to 239 . .. .' . . . ::..... .. . .....:-.,. .... .... . .' ...... ',' .... , ..' " '. ,'.