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<br />NOTE:
<br />I. Remove -overllfown, willows and dead
<br />cottonwood trees in old chonnel ond
<br />reh<lbflite upstream to just post the
<br />turnaround built in bottom of gulch.
<br />2..~d\me"i tlepos;titlll weo upstreom
<br />from Fla\lsloff Rogd. Sand and
<br />groveltobesolvoQed.
<br />3. Regrode FtllgstaffRood to bring
<br />overflDw bock to stream.
<br />
<br />NOTE' Thl. ~,"",mg i.. "",.ler p!.~ .h.ot ""''''.';og pr.li",inory and
<br />.0.<011",.1"0'.0.,1.0. JI.horln.tbound'oreonatructi"""urpoo..
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<br />Design pond for debris collection, ~
<br />sedlmentQtion, recreational use, ond "S. 'l/..-- \ ~)...CO\'~
<br />to prated dowl\$tl'eom r<l$\d<or,,::~ ~~ '\f l'v'h\\-' '..
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<br />. ~::::::D. '2.0 Existing flood ploin limit -::J(
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<br />Retaining walls ''b
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<br />GREGORY' POND
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<br />Const(~ti<)ll 01 fillt in ~lImlTl~ 101 lItivtt'<tQyS
<br />and homlls has resulted in significant ha~ards
<br />to olhers. Remedies are needed to obviote
<br />possingfloodwoteTuneOnTrolledontostreels.
<br />~
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<br />NOTE:
<br />Excavate bgnktosteeperSlopeand
<br />r;prQp,p\acedecorot"vestoneforo
<br />10' radius arollnd tire end of the
<br />retaining wall. Provide large trickle
<br />channel where possible to preserve
<br />trees <lndnaturoJappeorcrnce. ~
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<br />From Flagstoff Rood to Willow Brock Rood
<br />small check dams need 10 be placed 01 strategic
<br />locctionsin Qolentiolyerrosive <Hens as.
<br />determined by final design calculations.
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<br />5720
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<br />5520
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<br />5710
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<br />55/0
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<br />
<br />REVIS.IONS
<br />
<br />CITY OF
<br />BOULOER, COLORADO
<br />ENGINEERING DIVISION
<br />
<br />MASTER PLAN
<br />GREGORY CREEK
<br />SMO,57 to SM /,/6
<br />
<br />60+00
<br />WRIGHT MCLAUGHLIN ENGINEERS
<br />2.059 BfYGnt Street Denver, Colorado
<br />
<br />55./000
<br />
<br />50+00
<br />
<br />~+OO
<br />
<br />40+00
<br />
<br />~
<br />~
<br />
<br />DATE I~CALES DESIGNED - Sin! ND...>LIDRAWING NO
<br />Sep.1970 I~:;~f::t"l ::~l~' g~:~:ED ~M~ OF..2.asHEETSI
<br />
<br />DESIGNEe,
<br />DRAWN'
<br />CHECKED:
<br />
<br />oATE
<br />'7
<br />
<br />w. ME. Project No.
<br />702. 12.
<br />
<br />DEPT of PUBLIC WORKS
<br />T.K.Dieffenderfer
<br />
<br />CITY of BOULDER
<br />Director of OperGtions
<br />
<br />URBAN STORM DRAINAGE
<br />MAJOR DRAINAGE WAYS PLANNING
<br />
<br />GREGORY CREEK .., STA, 30-00 to 6/-00
<br />
<br />DRAWING NO.
<br />GR-2
<br />
<br />
|