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<br />I <br />I <br />I <br />I <br />I <br />I <br />!I <br />I <br />II <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I I <br />I <br />I <br /> <br />At the owners option a request may be made at a later date to drop <br />the flood from the full PMP to an Assumption "A" flood (no loss of life <br />likely) . <br /> <br />The results are: <br />A. For 43.8 square miles drainage area <br />PMP = 83,160 cfs* <br />"A" = 47,800 cfs* <br /> <br /> Thunderstorm = 60,000 cfs <br /> "A" = 38,200 cfs <br />B. For 5.3 square miles drainage area <br /> PMP = 10,500 cfs <br /> <br />"A" = 6,820 cfs* <br /> <br />Thunderstorm = 12,750* <br />"A" = 7,490 <br /> <br />* Denotes the four remaining options <br /> <br />Hydrologic Soils Investigation <br /> <br />Exhibit A shows the following: <br />(1) Extremities of drainage areas. <br />(2) Pertinent elevations. <br />(3) Length of longest flow. <br />(4) Area. <br /> <br />Drainage area <br />Longest length of travel <br />Elevation differential <br /> <br />Large drainage <br />= 43.8 sq. mi. <br />= 15.76 miles <br />= 1870 feet <br /> <br />Small drainage <br />5.3 sq. mi. <br />8.17 miles <br />310 feet <br /> <br />Data: <br /> <br />rr:, IV, BiTTINGER AND ASSOCIATES. INC, <br /> <br />-2- <br />