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<br />. <br /> <br />. <br /> <br />. <br /> <br />o J2215 <br /> <br />Flood-Related Erosion-Prone Areas of the Colorado River <br /> <br />(A) <br /> <br />The Flood Plain Administrator shall require permits <br />for proposed construction and other development <br />within the Floodway Fringe area of the Colorado <br />River. <br /> <br />(B) <br /> <br />Such permits shall be reviewed to determine whether <br />the proposed site alterations and improvements will <br />be reasonably safe from flood-related eros ion and <br />will not cause flood-related erosion hazards or <br />otherwise aggravate the e~isting hazard. <br /> <br />(C) <br /> <br />If a proposed improvement is found to be in the <br />path of flood-related erosion or would increase the <br />erosion hazard, such improvement Shall be relocated <br />or adequate protective measures shall be taken to <br />avoid aggravating the existing erosion hazard. <br /> <br />(D) Within the Colorado River Floodway Fringe area, a <br />setback from the Floodway is required for all new <br />development to create a buffer and to provide <br />access to the Floodway for possible maintenance and <br />improvements work. The buffer may consist of a <br />natural vegetation or contour strip. This buffer <br />shall be designated according to the flood-related <br />erosion hazard and erosion rates in relation to the <br />anticipated "useful life" of structures; and <br />depend i ng upon the geolog ie, h yd rolog ic, <br />topographic, and climatic characteristics of the <br />land. The buffer may be used for suitable open <br />space purposes, such as for ag ricul ture, forestry, <br />outdoor recreation, and wildlife habitat areas, and <br />for other activities using temporary and portable <br />structures only. <br /> <br />(E) A waiver to the setback requirements may be granted <br />if it can be demonstrated that adequate erosion and <br />flow velocity protection can and will be <br />constructed and provided that the erosion <br />protection meets the applicable parts of Part <br />65.5 (a)(6) of the National Flood Insurance Program <br />Regulations. All plans for erosion and flow <br />velocity protection must be reviewed and approved <br />by the Flood Plain Administrator. <br /> <br />III. ISSUE <br /> <br />Full and continued operation and maintenance of the <br />National Weather Service's Colorado River Flood Warning <br />System. <br /> <br />1II-7 <br />