FLOOD07583

• County: Boulder
• County: Weld
• Community: Erie
• Stream Name: Coal Creek, Boulder Creek
• Basin: South Platte
• Title: Coal Creek Flood Control Project - Channel Typical Sections
• Date: 9/30/1993
• Prepared For: Erie / CWCB
• Floodplain - Doc Type: Project

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195.0'

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100 YEAR WATE
SURFACE ELEVATION
EXISTING GROUND lEVEE PROFILE ~
[GRADE
NORMAL FLO
~___ ____~ _---~~~E~ _ 2.0%
,'J1 .0_\ __

I VARIES 'L

3.0'
0.5' SETTLEMENT
ALLOWANCE
3
3
~1
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VARIES 10.0' ~

VARIES

BOTTOM WIDTH VARIES

TYPICAL SECTION
STA. 4+53 TO STA. 14+50
SCALE: 1" =20'

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VARIES 195.0'-200.0'

TRANSITION
STAGES

NORMAL FLO
CHANNEL

EXISTING

~~
1 L:"!5-""-""::""--:::.-_------:::-:..-., ~
3 ------ ~

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VARIES

BOTTOM WIDTH VARIES

VARIES

TYPICAL SECTION
STA. 14+50 TO STA. 17+00
SCALE: 1" =20'

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200.0'

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L51 I EXISTING NORMAL
_ -l-C: s- _ ~LOW CHANNEL

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i . VARIES J ~OTTOM :1O::VARIES - - J

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VARIES

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VARIES

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EXISTING GROUND - ~ _ _ /

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---~_.--

~---------

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TYPICAL SECTION
STA. 17+00 TO STA. 41 +00
SCALE: 1" =20'

VJ~C ~NGIN~~~NG, INC.

1660 SOUTH ALBION STREET
SUITE 500
DENVER, COLORADO 80222
PHONE NO: [phone]
FAX NO: [phone]

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NOTE:
CD TOPSOIL SHALL BE STRIPPED AND STOCKPILED. TOPSOIL
SHALL BE PLACED OVER THE ENTIRE LEVEE AND CHANNEL
SLOPES AND RESEEDED. UNLESS OTHERWISE NOTED.

CD SUBGRADE SHALL BE SCARIFIED, MOISTURE TREATED AND
RECOMPACTED TO 95% OF STANDARD PROCTOR DENSITY TO A
DEPTH OF 18 INCHES BELOW EXISTING GRADE.

(1) EMBANKMENT MATERIAL SHALL BE COMPACTED TO 95% OF
STANDARD PROCTOR DENSITY.

4. TYPICAL SECTIONS ARE LOOKING UP STATION AND UPSTREAM.

5. SEE CROSS SECTIONS FOR RIPRAP REQUIREMENTS.

EL. 23.6 EL. 26.1

. . 2 NEW RAILROAD I
SPANS
BY UNION I

...... P~CIF~~~AIL~OAD l

---

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200.0'

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10::
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NORMAL FLOW,
CHANNEL \

- ----3----------

;;;:::::I 1

VARIES
VARIES

EXISTING GROUND, _ _ _ _ _ _

3 __j----:)
_~~~~---=-2.0% 11./

8:~T:M WIDTH .1. VAR:~'ES

--~

2.0% _ 1.0'

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110.0'

TYPICAL SECTION
STA. 42+75 TO STA. 46+50
SCALE: ," =20'

100'
PERMANENT lEVEE EASEMENT

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50' z
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VARIES

10.0'

25.0'

PROPOSED @
LEVEE

EXISTING

---- -r-~ rr
'-7- ~~~ __--.-.J ~~~~ /',
___ ____..--- __.__.......J '--___
------ ---- --- -- -----""
~ ~ ..-
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-----
GRADE GCGD

TYPICAL SECTION
STA. 50+00 TO STA. 61 +00
SCALE: 1" =20'

EXISTING RAILROAD BRIDGE TO REMAIN

. ..

TWO (2) NEW SPANS

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, '

II I
1.5 : 1.0 SIDE SLOPE (TYP.)
92.8'

El. 26.1 E
L. 23.6

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-- ------...

EL. 09.3

II
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1.0' BEDDING MATERIAL (TYP.)
2.5' RIPRAP (DSO=18") ON SIDES

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II
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TYPICAL SECTION
UNION PACIFIC RAILROAD BRIDGE
SCALE: 1" =20'

DESIGNED cpa
DRAWN EJM
CHECKED
REVISED
AS-BUILT

DATE 07 08 93
DATE 07-12-93
DATE
DATE
DATE

TOWN OF ERIE
COLORADO WATER
CONSERV A TION BOARD

COAL CREEK
FLOOD CONTROL PROJECT
PROJECT NO. E-1723-91

CHANNEL
TYPICAL SECTIONS

6712

PROJECT NUMCER
#1723

DRAWING NUM3ER
G5

ISSUED FOR REVIEW 9/30/93
ISSUED FOR BID 11/09/93