FLOOD08407

• County: Jefferson
• County: Adams
• Community: Arvada, Westminster
• Stream Name: Little Dry Creek
• Basin: South Platte
• Title: Major Drainageway Planning
• Date: 4/1/1979
• Prepared For: Jefferson County / Adams County
• Prepared By: UDFCD
• Contract/PO #: &&
• Floodplain - Doc Type: Floodplain Report/Masterplan

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merrick and company engineers
10855 east bethany drive. denver, colorado

DESIGNED_DATE
DRAWN___DATE
CHEC~ED__DATE
REVISED. _ DATE
REI'ISEO_DATE_

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SHEET
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WEST 88TH AVENUE

NOTES;
I FLOOD WATER SURFACE ELEVATIONS AND FLOOD PLAIN BOUNDARIE"S ARE
OFTEN REviSED BY ROAD AND BRIDGE CONSTRUCTION, FlOOD PL.:AIN DEVELOPMENT,
FLOOD CONTROL IMPROVEMENTS, OR NATURAL PROCESSES. PRIOR TO UTILIZATION OF
THIS REPORT FOR PLANNING OR DESIGN PURPOSES, THE USER IS ADVISED TO
CONTACT THE URBAN DRAINAGE a. FLOOD CONTROL DISTRICT OR THE COLORADO
WATER CONSERVATION BOARD TO DETERMINE IF THE INFORMATION IN THIS REPORT
HAS BEEN AMENDED.
2. ALL ELEVATIONS ARE ABOVE MEAN SEA LEVEL DATUM AND ARE BASED ON US.G.5.
BENCH MARK TT-14 D ELEV. ~683. 497 FEET. ADD l. 3 FEET TO U S.G.S. ELEVATIONS TO
CONVERT TO CITY OF ARVADA DATUM (BASED ON AVERAGE DIFFERENCE MEASURED
BETWEEN ARVAOAS B M. GA6 8 CA9).
3. FLOODWAY DATA MAY BE FOUND IN THE ~FLOOD HAZARD AREA DELINEATION"
REPORT FOR LITTLE DRY CREEK (ADCO) DATED JUNE 1978
4. THESE DRAWINGS ARE MASTER PLANNING SHEETS AND REPRESENT PRELIMINARY
AND CONCEPTUAL ENGINEERING THEY SHALL NOT BE USED FOR CONSTRUCTION
PURPOSES; SUBJECT TO CHANGE.

~o/ARY 1
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WEST 80TH AVHIUE

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LEGEND

PLAN

INDEX

100 YEAR FLOOD HAZARD AREA LIMITS
(EXISTING CHANNEL CONDITIONS)
100 YEAR FLOOD HAZARD AREA LIMITS
(IMPROVED CHANNEL CONDITIONS)
BOUNDARY BETWEEN AREA OF SHALLOW
FLOODING AND 100 YEAR FLOOD PLAIN
(IMPROVED CHANNEL CONDiTIONS)
REFERENCE LINE AND STATIONING
VERTICAL CONTROL POINT FOR MAPPING
UTILITY POLE
STREET LIGHT
GROUND SURFACE ELEVATION AT 'X'
TELEPHONE
SANITARY SEWER LINE {SIZES VARY}
WATER LINE (SIZES VARY)
GAS LINE (SIZES VARY)
UNDERGROUND ELECTRIC LINE

TITLE

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2
3
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5
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7
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9
10
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12
13
I.
15
I.
17
I.
19
20
21
22
23
2.
25
2.
27
28
29
30

TITLE SHEET
INDEX SHEET
PLAN 6 PROFILE STA. 470+00 TO UPSTREAM STUDY LIMITS
PLAN a. PROFILE STA. 442 +00 TO STA. 470 +00
PLAN a PROFILE STA. 414 + 00 TO STA. 442 +00
PLAN a. PROFILE STA.3B6+00TO STA.414+00
PLAN a. PROFILE STA. 358 +00 TO STA. 386+ 00
PLAN 6-PROFILE STA.329+00TOSTA.358+00
PLAN a PROFILE STA. 301 +00 TO STA. 329+00
PLAN B: PROFILE STA. 273+00 TO STA. 301 + 00
PLAN B: PROFILE STA. 245+00 TO STA. 273+00
PLAN a PROFILE STA. 217 +00 TO STA. 245 + 00
PLAN a. PROFILE STA. 190+00 TO STA. 217 +00
PLAN 8. PROFILE STA 153+00 TO STA 190+00
PLAN 8. PROFILE STA 126 +00 TO STA. 153 +00
PLAN 8. PROFILE STA. 99 + 00 TO STA. 126 + 00
PLAN 6 PROFILE STA. 74+00TOSTA.99+00
PLAN 8. PRO.FILE STA. 49+ 00 TO STA. 74.00
PLAN 6 PROFILE STA.23.00TOSTA.49+00
PLAN 8. PROFILE STA. 0+00 TO STA. 23 +00
PLAN SHEET - MATCHES SHEET NO. 18
PLAN SHEET - MATCHES SHEET NO. 19
PLAN e. PROFILE STA 0+00 TOSTA. 20+00 (SHAW HEIGHTS TRIBUTARY)
PLAN a. PROFILE STA. 20 +00 TO STA. 47 +00 (SHAW HEIGHTS TRIBUTARY)
PLAN a. PROFILE STA. 47+00TOSTA. 81 +00 (SHAW HEIGHTS TRIBUTARY)
PLAN 6 PROFILE STA. BI +(,0 TO STA.I06 +00 (SHAW HEIGHTS TRIBUTARY)
PLAN 6 PROFILE STA.106+00TO UPSTREAM STUDY LIMITS
PLAN a PROFILE STA 18 +00 TO STA. 45 + 73 (TRIBUTARY B)
PLAN 6- PROFILE STA. 0+ 00 TO STA. IB+OO (TRIBUTARY B)
PLAN 6 PROFILE STA. 57 +00 TO UPSTREAM STUDY LIMITS (TRIBUTARY C)
DRAINAGE BASIN MAP
FUTURE LAND USE MAP

100 YEAR FLOOD PROFILE
(EXISTING CHANNEL CONDITIONS)
100 YEAR FLOOD PROFILE
(1M PROVED CHANNEL CONDITIONS)
DESIGN FREQUENCY FLOOD PROFILE
(IMPROVED CHANNEL CONDITIONS)
EXISTING CHANNEL THALWEG
PROPOSED CHANNEL FLOWLINE
PROPOSED LOW FLOW CHANNEL INVERT
EXISTING GROUND ON PROPOSED
CHANNEL CENTERLINE

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PROFILE

SHEET NUMeER

JEFFERSON COUNTY

URBAN DRAINAGE AND FLOOD CONTROL DISTRICT

CITY OF ARVADA

CITY OF WESTMINSTER

LITTLE DRY CREEK

MAJOR DRAINAGEWAY PLANNING

LITTLE DRY CREEK
INDEX SHEET

I-I

ADAMS COUNTY