FLOOD09085

• Designation Number: 97
• County: Adams
• Community: Thornton
• Stream Name: Grange Hall Creek
• Basin: South Platte
• Title: Major Drainageway Planning - Grange Hall Creek, Phase B, Thornton, Adams County
• Date: 12/1/1977
• Designation Date: 1/19/1978
• Floodplain - Doc Type: Floodplain Report/Masterplan

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Channel i l~tio~ lmprovements are ,h()wn belo~'((iverdale Road. I i
It will be: the responsibil itv of the owner~ to, eVillu~te the II
cost of r:n'nstruction i~ comp~ri son with dalnages_, cl~ it Nill
be the ldn~owner' s responsibiJ ity to pay for th~' construction II
of the channel.

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Graphic Scole In Feet

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100 YR. FLOOD PLAI N
lIMIl'S (WITH CHANNEL
IMPROVEMENTS)

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100 .YR FLOOD PLAIN
LiMITS

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h"O 100 yo. w.S.

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5117,5

TO STA. 70'''' 00
ARGE = 195,0 cfs
Y MAIN CHANNEL: 5.0 fps

FLOOD PLAIN

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DE8IGNED_ Jf;f~ DATE ~
DRAWN LLY _ DATE 81T
~IIE~KEO ,;uP/? __ DATE 9.?'?
REVISED__OATE_

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GROUND CONTROL SURVEY BY
AERIALf>HOTOGRAf>HY BY
TOI'OGRAPHIC MAPPING BY
~ONTOUR INTE RVAL' 2 FEET

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HYDRO-TRIAD, LTD.
7t>00 W. Mississippi Ave
Suite 010 Building A
LOkewood, Colo. 80226
303-934-2477

URBAN DRAINAGE AND FLOOD CONTROL DISTRICT

MAJOR DRAINAGEWAY PLANNING

BELL MAPPING CO.
DENVER,COLORAOO

ADAMS COUNTY

GRANGE HALL CREEK

CITY OF NORTHGLENN CITY OF THORNTON

DAlE FLOWN: JAN,14,19T6

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NOTES:, I
Fb.'.l\;lP P'^IN-eASEOUPONflm;lRE---6EYft1tMENTCONDITlONS
RUNOFFWITHEXISTING-DRAINAGEFACIllIES.
2. SEE SHEET 1 for LEGEND.
3. SEE SHEETS 27,28, 29 ANO 30 FOR TYPICAL CHANNEL
SECTIONS AND IMPROVEMENT DETAILS. ~
4. Tl;ttSDRAWINGlSAMAST'ERPLANNINGSHETREPRESENTlNG/
)'REllMINARYANOCO~PTUAl ENGINEERI GANO ISSUBJ~T
TO CHANGE. IT.SHPU NOT BE USED FORICONSTRIJCTION
PURPOSES. :' "
200' ROW "

22'

5110

PR VE

-+

5100

5090

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uj=
75...00

5080
70+00

PLAN a PROFILE
100+00 TO 701'00

DWG. NO. GH.8
SHEET 10 OF 30