FLOOD06380

• County: Statewide
• Community: Adams/Arapahoe/Denver/Broomfield/Douglas/Jeffco
• Basin: Statewide
• Title: Urban Storm Drainage, Criteria Manual Volume 2
• Date: 6/1/2001
• Prepared By: Wright Water Engineers, Inc.
• Floodplain - Doc Type: Educational/Technical/Reference Information

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DRAINAGE CRITERIA MANUAL (V. 2)

TABLE OF CONTENTS

4.2

Potential Sources of Financial Assistance at Federal, State, and
Local Levels........ .......................,............................... .............. .......................... ..., .... FP-23

5.0 REFERENCES. ................................................................................................. ......... ..... ........ FP-26

Revegetation

1.0 INTRODUCTION.............. ............... ...................................................................... .................... RV-1

2.0 SCOPE OF THIS CHAPTER AND RELATION TO OTHER RELEVANT

DOCUMENTS................... ....................................................................... ............... ....,. ,.... ........ RV-2

3.0 GENERAL GUIDELINES FOR REVEGETATION .....................................................................RV-3

3.1 Plant Materials .............................................................................................................. RV-3
3.2 Site Preparation..... ............ ................... ...,................................... ...... .......... .......... ....... RV-3
3.3 Seeding and Planting ....,............................................................................................... RV-4
3.4 Maintenance................................................ ........................ ........... ............................... RV-4

4.0

PREPARATION OF A PLANTING PLAN .................................................................................. RV-6

4.1 General...................... ....................................... ................. ......... .............................. ..... RV-6
4.2 Soil Amendments.................................................................. ...... .................................. RV-6
4.2.1 Humate Conditioner ......................,.................................................................. RV-7

4.2.2 Blosol .............. ................... ............................................. ................................. RV-7
4.3 Recommended Seed Mixes........................... ..... .......... ..................... ................... ........ RV-7
4.4 Trees, Shrubs and Wetland Plantings ........................................................................RV-12

4.5 Mulching........................ ......... ...... ......... .............. ........................,............................... RV -14
4.6 Bioengineering......... .... .......... ...... ............................................,................... .... ...... ..... RV-15
4.7 Collection of Live Stakes, Willow Cuttings, and Poles................................................ RV-15
4.7.1 Harvest Procedure ......................................................................................... RV-16

4.7.2 Installation .................................,............................. ................ ....................... RV-17

5.0 POST-CONSTRUCTION MONITORING... ................... ................ .... ....................................... RV-25

6.0 REFERENCES ......................... .................................. .......................................... ... ......... ........ RV-26

Design Examples

1 .0 INTRODUCTION........................................... .............................. ......................... .... ..... .... ......... DE-1

2.0

CASE STUDY-STAPLETON REDEVELOPMENT........... .... ......... ...... ......................., ............ DE-2

2.1 Project Setting...... .................... ......................................... ... ......................... .......... ...... DE-2
2.2 Project Objectives.......... ................ ............................................ .... ............................... DE-2
2.3 Hydrologic Evaluation For Detention Pond Sizing ........................................................ DE-5
2.3.1 CUHP and UDSWM ......................................................................................... DE-5
2.3.2 Rational Method Hydrology..... ..... ............................ ........... ..... ......... ..... ..... ..... DE-7

2.3.3 FAA Method ................................................................................................... DE-1 0
2.3.4 Denver Regression Equation ........... .............................................................. DE-1 0
2.3.5 Comparison of the Sizing Methodologies ...................................................... DE-13
2.4 Detention Pond Outlet Configuration .......................................................................... DE-13
2.4.1 Stage-Storage Relationships ......................................................................... DE-15
2.4.2 Water Quality Volume Requirements............................................................. DE-15
2.4.3 Final Pond Outlet Configuration ..................................................................... DE-15
2.5 Hydraulic Analysis And Capacity Verification Of The Existing Outfall........................ DE-24
2.6 Local Storm Sewer Design .........................................................................................DE-27
2.6.1 Determination of Allowable Street Capacity ..................................................DE-28
2.6.2 Determination of Inlet Hydrology....................................................................DE-28

6/2001
Urban Drainage and Flood Control District

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