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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />I <br /> <br />II <br /> <br />III <br />IV <br />V <br /> <br />VI <br />VII <br />VIII <br /> <br />I-I <br />III-l <br />1II-2 <br />III-3 <br />III-4 <br />1II-5 <br />1II-6 <br />V-I <br />V-2 <br /> <br />CONTENTS <br /> <br />INTRODUCTION <br /> <br />Authorization <br />Information Collected <br /> <br />BASIN DESCRIPTION <br /> <br />Flood History <br /> <br /> <br />Massey Draw <br /> <br /> <br />North Tributary of Massey Draw <br /> <br />SJCD (South) - Basin 6200 <br /> <br />Basin Development <br />HYDROLOGIC ANALYSIS <br />HYDRAULIC ANALYSIS <br />FLOOD CONTROL PLAN <br /> <br />General <br /> <br />Recommended Plan <br /> <br />Costs <br />Implementation <br /> <br />REFERENCES <br />LEGAL OPINION <br />ORAWINGS <br /> <br />LIST OF TABLES <br /> <br />V-3 <br /> <br />Information Collected <br /> <br /> <br />Hydrograph Input Summary, Develop~d Condition <br /> <br />Design Rainfall for T5S, R69W <br /> <br /> <br />Design Rainfall for T5S, R70W <br /> <br /> <br />Design Rainfall for T6S, R69W <br /> <br /> <br />Peak Discharge Summary <br /> <br /> <br />Flood Volume Summary <br /> <br /> <br />Unit Costs <br /> <br /> <br />Benefit and Cost Comparison, Reco~ended Alternative, <br /> <br />Phase A <br /> <br /> <br />Phase B Summary of Total Costs <br /> <br />LIST OF FIGURES <br /> <br />Page <br />1 <br />1 <br />2 <br />2 <br />2 <br />2 <br />2 <br />3 <br />3 <br />3 <br />15 <br />15 <br />15 <br />15 <br />17 <br />17 <br />21 <br />22 <br />25 <br /> <br />Flood Hydrographs, SJCD (South) 6200 at Nevada Ditch <br /> <br /> <br />Flood Hydrographs, SJCD (South) 6200 Including Trib. #1 <br /> <br /> <br />Flood Hydrographs, SJCD (South) 6200 Including Trib. #2 <br /> <br /> <br />Flood Hydrographs, N. Tributary of Massey Draw at <br /> <br />South Wadsworth Boulevard <br /> <br /> <br />Flood Hydrographs, N. Tributary of Massey Draw at <br /> <br />South Garrison Street <br /> <br /> <br />Flood Hydrographs, 11assey Draw at South Wadsworth Blvd. <br /> <br /> <br />Flood Hydrographs, Massey Draw at South Garrison Street <br /> <br />Discharge-Probability Pr6files for 11assey Draw <br /> <br /> <br />Discharge-Probability Profiles for North Tributary of <br /> <br />Massey Draw <br /> <br /> <br />111-10 Discharge-Probability Profiles for SJCD (South) - <br /> <br />Basin 6200 <br /> <br />III-l <br />1II-2 <br />1II-3 <br />1II-4 <br /> <br />1II-5 <br /> <br />1II-6 <br /> <br />III -7 <br />1II-8 <br />IIl-9 <br /> <br />III-II Discharge-Probability Profiles for SJCD (South) <br />Tributary No. 1 <br /> <br />111-12 Discharge-Probability Profiles for SJCD (South) <br />Tributary No. 2 <br /> <br />LIST OF DRAWINGS <br /> <br />Sheet <br />No. <br /> <br />Title <br /> <br />2 <br />4 <br />5 <br />5 <br />6 <br />6 <br />7 <br />18 <br />19 <br /> <br />1 <br />2 <br />3 <br /> <br />Location and Basin Maps <br />100-Year Flood Hazard Area and Drawing Index Map <br />Recommended Improvements <br /> <br />MASSEY DRAW <br /> <br />4 Plan and Profile <br /> <br /> <br />5 Plan and Profile <br /> <br /> <br />6 Plan and Profile <br /> <br />NORTH TRIBUTARY }~SSEY DRAW <br /> <br />21 <br /> <br />7 Plan and Profile <br /> <br /> <br />8 Plan and Profile <br /> <br />9 Plan and Profile <br /> <br />~ Leonard Rice Consulting Water Engineers,lnc. <br /> <br />Page <br /> <br />7 <br />8 <br />8 <br /> <br />9 <br /> <br />9 <br />10 <br /> <br />10 <br /> <br />11 <br /> <br />12 <br /> <br />13 <br /> <br />14 <br /> <br />14 <br /> <br />Station <br /> <br />60+00 to 90+00 <br />30+00 to 60+00 <br />0+00 to 30+00 <br /> <br />116+00 to 127+45 <br />90+00 to 116+00 <br />60+00 to 90+00 <br />