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E. Sediment Potential <br />1,090 cubic yards / square mile <br />PART IV - HYDROLOGIC DESIGN FACTORS <br />A. Estimated Vegetative Recovery Period <br />3 -5 years (for recovery of hill -slope stability) <br />B. Design Chance of Success <br />80% (assuming damaging storm does not occur before treatments are in place) <br />C. Design Storm Information <br />Design Recurrence Interval <br />Design Storm Duration <br />Design Storm Magnitude <br />Design Flow <br />D. Reduction in Infiltration <br />Estimated Reduction in Infiltration: <br />E. Adjusted Design Flow <br />10 years <br />1 hour <br />1.5 inches <br />70 cubic feet / second / square mile) <br />55 percent <br />Adjusted design flow <br />180 cfs per square mile <br />i <br />Pre -fire <br />Post -fire <br />% of <br />Watershed <br />Watershed <br />;Percent <br />USFS <br />Estimated I <br />+ <br />Estimated <br />pre -fire <br />Number <br />Name <br />land <br />Discharge I <br />Discharge <br />flow <br />I <br />(cfs) i <br />(cfs) <br />101900070209 <br />Bennett Creek <br />98 <br />114 I <br />210 <br />184% <br />10190006061602 <br />Blackhurst Gulch <br />0 <br />139 <br />501 <br />360% <br />10190007141012 <br />- -. _._._ _. _._. <br />Boyd Gulch <br />_ <br />0 <br />_ ............... <br />95 <br />468 <br />493% <br />10190007140610 <br />_....._..._.. _....__._..__.__.____.._< <br />Buck Gulch <br />�...._..._.__.__._.__ <br />100 <br />... <br />51 <br />206 <br />404% <br />101900060614B4 <br />_ <br />Buckhorn D <br />0 <br />197 <br />495 <br />252% <br />10190007140608 I <br />Cedar Gulch <br />_.. <br />82 <br />_......._.._._..._.__...._ �.�__._....._.__._.___..._�_... <br />92 <br />402 <br />437% <br />101 900071812D <br />Devil Gulch <br />0 <br />134 s..__......__.._�....__.. <br />385 <br />287% <br />101900071812EG <br />_....._ __ _ _...._._..... _ <br />Empire <br />_ ............................. _....._._....__._.._..._,... <br />0 <br />...- _- <br />73.7 <br />183 <br />249% <br />10190007141004 <br />-s Gulch <br />98 f <br />93 <br />—. - -- -------.......- - <br />470 <br />505% <br />„^Fall <br />101900070304 I <br />_ - - - -- <br />Hewlett Gulch <br />48 <br />408 <br />747 <br />183% <br />10190007141008 I <br />Hill Gulch <br />18 <br />226 i <br />1094 <br />484% <br />101900071812AG Labeau Gulch <br />0 <br />148 <br />383 <br />259% <br />High Park Fire Emergency Stabilization Plan Page 6 <br />