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Last modified
1/26/2010 10:24:09 AM
Creation date
7/29/2008 10:54:55 AM
Metadata
Fields
Template:
Floodplain Documents
County
Mesa
Stream Name
Bosley Wash
Basin
Colorado Mainstem
Title
Bosley Wash Drainage Master Plan - Phase 2: Alternative Drainage Facility Evaluation - Draft
Date
11/1/2002
Prepared For
Bosley Wash Watershed, CWCB
Prepared By
HDR Engineering, Inc.
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br />. <br /> <br /> <br />P~(lse 2: Alternative Drainage Facility Evaluation <br /> <br />:. :'.\4 ~~,:~ <br /> <br />TABLE OF CONTENTS <br /> <br />1.0 INTRO n U CTI 0 N ... ............... ................................................................................. .... ................ 1 <br /> <br />1.1 GENERAL SCOPE ......................... ............................................ ........................... .......... 1 <br /> <br />1.2 PHASE 1 EFFORT....... .........................,..................................................... .................... 1 <br /> <br />1.3 PHASE 2 SCOPE............................................................................................................ 2 <br /> <br />1.4 PHASE 3 SUMMARY ....................................................... .......................... ......... ............2 <br /> <br />2.0 PROBLEM In ENTIFI CA TI ON ...... ....... ..... ..... ........ .... .~........ ............ ..... ................ .... ....... ......... 2 <br /> <br />2.1 INADEQUATE CHANNEL CAPACITy....................................... ....................................... 2 <br />2.1.1 Hwy 6/UNION PACIFIC RAILROAD CHANNEL.................................................... 3 <br /> <br /> <br />2.1.2 STUB DITCH............................. .......... ........................................ ....... .................. 3 <br /> <br />2.1.3 F % .L{OAD .... ~............... ...... ...~...:.. ......................... ~....... _....,......................... .'.... 4 <br /> <br />2.2 UNDERSIZED CULVERTS.... .......................................................................................... 4 <br /> <br /> <br />2.2.1 G ROAD.............................................................................................................. 4 <br /> <br />2.2.2 GOVERNMENT HIGHLINE CANAL ........................................................................5 <br /> <br /> <br />2.2.3 Hwy 6/UPRR ............................ ......................................................................... 5 <br /> <br />2.3 INADvERTENT STORAGE.............................................................................................. 6 <br />2.3.1 UPSTREAM OF 1-70................. .................................... .......... .......... ..................... 6 <br /> <br /> <br />2.3.2 G ROAD.......................................................................................................... .... 6 <br /> <br />2.3.3 GOVERNMENT HIGHLINE CANAL ....................................................................... 7 <br /> <br /> <br />2.3.4 Hwy 6/UPRR ..................................................................................................... 7 <br /> <br />2.4 PUBLIC MEETING INpUT ............. ...................................................... .................... ........7 <br /> <br /> <br />3.0 AL TERNA TIVE DEVELOPMENT ............................................................................................ 9 <br /> <br />3.1 STORAGE...................................................................................................................... 9 <br /> <br />3.1.1 STORAGE ABOVE STUB DITCH AT RESERVOIR M&N ....................................... 10 <br />3.1.2 STORAGE ABOVE 1-70 AT RESERVOIR A........................................................... 10 <br />3.2 IMPROVED CHANNEL CAPACITy................................................................................ 11 <br />3.2.1 IMPROVE CHANNEL ALONG STUB DITCH.......................................................... 12 <br />3.2.2 IMPRoVE CHANNEL ALONG F % ROAD ............................................................. 12 <br /> <br />((!!~:;.1I~~-i <br /> <br />Q~~' <br />P.t:',{!~~~lj~.::1fv <br /> <br /> <br />Page i <br /> <br />r'...... <br />{--~ <br />r- <br />~, \ <br /> <br />@'1 <br />
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