FLOOD03286

• County: Adams
• Community: Wheat Ridge, Arvada
• Stream Name: Lower Clear Creek
• Basin: South Platte
• Title: Major Drainageway Planning
• Date: 10/1/1981
• Prepared For: Adams County
• Prepared By: UDFCD
• Contract/PO #: &&
• Floodplain - Doc Type: Floodplain Report/Masterplan

I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I

LOWER CLEAR CREEK
MAJOR DRAINAGEWAY PLAN
PHASE B REPORT

TABLE OF CONTENTS

SECTION I - SUMMARY

SlJ11Illaryof Selected Plan
Reach III B
Reach III A
Reach II B
Reach II A
Reach I
Purpose and Scope
The Study Area
Surmary of Costs

SECTION II - STUDY AREA DESCRIPTION

Study Reach I II B (800 Feet UpstreC!11 West of Ki pI i ng
Street to the Wheat Ridge Corporation Limits)
Study Reach III A (Wadsl<<lrth Boulevard to 800 Feet
Upstream West of Kipl ing Street)
Study Reach II B (From 1,400 Feet Upstream of the
Denver & Rio Grande Western Railroad to Wads\'.Orth Blvd.)
Study Reach II A (Huron Street to 1,400 feet UpstreC!11 of
the Denver & Rio Grande Western Railroad)
Study Reach I (Confl uence with the PI atte River to
Huron Street)

SECTION III - HYDROLOGICAL SUMMARY

General Comments
Hydro logy for Cl ear Creek
Soils
Vegetation

SECTION IV - FLOODPLAINS

General
Flood Fre quency
Flood Magnitude
Flood Profi 1 es
Flood Damages

TABLE OF CONTENTS

( Continued)

SECTION V - PHASE A ALTERNATIVES AND THE SELECTED PHASE B PLAN

PAGE

General Comments

I-I
1-1
1-1
1-1
I-I
1-2
1-2
1-2
1-3

SECTION VI - PHASE B MAJOR DRAINAGEWAY PLAN

General Comments
Major Drainageway Improvement Costs
Fl oodpl ain Preservation and r~anagffilent
Floodplain Preservation
Flood Hazard Infonnation and Education
Floodpl ain Regul ation
Flood Insurance
Forecast i ng and Warn i ng Systems
Floodproofing
Floodplain Acquisition
Structure Removal and Relocation
Parks, Recreation, and Open Space
Recommended Structural Improvffilents
Reach II I B
Reach I II A
Reach II B
Reach II A
Reach I
Federal Insurance Administration (FIA) Floodplain Criteria

II-I

II-I

11-1

II-2

II-2

SECTION VII - BIBLIOGRAPHY

111-1
III-l
II 1-2
III-2

APPENDIX A - LEGAL OPINION

APPENDIX B - PARTICIPANTS, AGENCIES, AND INDIVIDUALS
CONTACTED

APPENDIX C - RECOMMENDED STRUCTURAL CRITERIA FOR MAJOR
DRAINAGEWAYS

IV-l
IV-l
IV-l
IV-l
IV-l

APPENDIX D - PHASE B PRELIMINARY DESIGN DRAWINGS
SHEET COMMENTARY AND COST ESTIMATE

PAGE

V-I

VI-l
VI-l
VI-3
VI-4
VI-4
VI-4
VI-5
VI-5
VI-6
VI-6
VI-6
VI-7
VI-l
VIol
VI-8
VI-8
VI-9
VI-9
VI-I0

A-I

B-1

C-l

D-l