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<br />. <br /> <br />St~eet <br /> <br />o~ientation <br /> <br />to <br /> <br />maximize <br /> <br />flood <br /> <br />conveyance. <br />. If up-fan subdivisions use dep~essed st~eets or <br />channels to convey floods, these tools must be <br />continued down to the fan toe. <br />. Use of drop st~uctu~es between homes built on <br />high slopes. <br />. Whole-fan management tools can be used instead <br />of the above p~ovisions. <br /> <br />Placement .QJ. Sinale st~uctures <br />. In undeveloped a~eas, can elevate on armored <br />fill or use local dikes p~ovided that no added <br />flood damage to othe~ st~uctu~es ~esults. <br />In developed a~e"s, local dikes, channels, and <br />a~mo~ed fill must tie in with existing flood <br />cont~ol tools. <br />Elevation on piles shculd <br />c~ite~ia cannot be met. <br />No single placement should be allowed <br />channelized zone. <br /> <br />. <br /> <br />, <br /> <br />. <br /> <br />be <br /> <br />us ed if <br /> <br />abolle <br /> <br />. <br /> <br />in the <br /> <br />4. A Review ~ Subdivision plans should be made by local <br />agencies to ensure both compliance with the maste~ plan and <br />prope~ design of selected management tools. The develope~ <br />should p~ovide: <br /> <br />. plans for flood cont~ol tools, <br />. an enginee~ing ~epo~t that documents the <br /> adequacy of the p~oposed flood cont~ol tools, <br />. an analysis of flood impacts of th e p~oposed <br /> tools on down-fan development, and <br />. a maintenance plan. <br /> <br />98 <br />