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T-9 Constructed Wetland Channel Figure CWC-1. Constructed Wetland Channel Plan and Section Design Example The UD-BMP workbook, designed as a tool for both designer and reviewing agency is available at www.udfcd.org. This section provides a completed design form from this workbook as an example. CWC-4 Urban Drainage and Flood Control District November 2010
Constructed Wetland Channel T-9 Design Procedure Form: Constructed Wetland Channel (CWC) Designer: Company: Date: Project: Location: G. Damato BMP, Inc. November 29, 2010 Subdivison F NW corner of 90th Ave. and 57th St. Sheet 1 of 1 1. Design Discharge A) 2-Year Design Discharge Q 2 = 15.00 cfs B) 100-Year Design Discharge Q 100 = 48.00 cfs 2. Channel Geometry (New Channel - No Wetland Veg. in Bottom) Channel Side Slopes (Z = 2.5 min., horiz. distance per unit vertical) Z = 2.50 (H:V) 3. Longitudinal Slope (Based on Manning's n for the mature channel S = 0.005 feet/feet so as not to exceed the maximum given velocity) 4. Channel Capacity New 2-Yr. Mature 2-Yr. (Based on Manning's n = 0.0018 * D2 ^ 2 - 0.0206 * D2 + 0.099 for D < 5, Channel Channel and Manning's n = 0.0001 * Y ^ 2 - 0.0025 * Y + 0.05 for D > 5) D 2 = 1.10 feet 1.55 feet B 2 = 3.0 feet 3.0 feet T 2 = 8.5 feet 10.7 feet A) Calculated channel geometry required to maintain the design V 2 = 2.39 fps 1.42 fps discharge during a 2-year event with newly established and n 2 = 0.035 0.071 mature vegetation. Calculated resulting flow velocities for mature Froude 2 = 0.35 0.25 condition should be kept to 2 fps or less for the 2-year flow. New 100-Yr. Mature 100-Yr. B) Geometry and velocity to use for the 100-year discharge: Channel Channel Suggest the design for a 100-year capacity channel follow the D 100 = 1.91 feet 2.43 feet guidance contained in the Major Drainage Chapter of Volume One. B 100 = 3.0 feet 3.0 feet of the USDCM, or through the use of the UD-CHANNELS workbook. T 100 = 12.5 feet 15.1 feet V 100 = 3.24 fps 2.18 fps 100-Year depth with 1-foot freeboard is 3.4 feet. n 100 = 0.035 0.060 100-Year top width with 1-foot freeboard is 20.1 feet. Froude 100 = 0.47 0.32 5. Grade Control Structures: Number required 5 number 6. Toe Protection Due to narrow channel bottom, provide soil riprap across width. 1.75 soil riprap thickness (feet) 7. Vegetation Wetland Seeding Wetland Plugs Willow Stakes Other (Describe): 8. Maintenance Access: Describe access along channel. reinforced grass maintenance trail parallel to channel Notes: November 2010 Urban Drainage and Flood Control District CWC-5
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Urban Storm Drainage Criteria Manua
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Table of Contents Urban Storm Drain
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Disclaimer Attention all persons us
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Preface 1.0 Acknowledgements The Ur
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Preface 2.0 Purpose Volume 3 of the
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Preface • Glossary: A glossary is
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Preface fps ft FHWA GB GS H:V HSG F
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Chapter 1 Stormwater Management and
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Stormwater Management and Planning
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Chapter 2 BMP Selection Contents 1.
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BMP Selection Chapter 2 area is too
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BMP Selection Chapter 2 provided by
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BMP Selection Chapter 2 Table 2-2.
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BMP Selection Chapter 2 1.4 Storage
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BMP Selection Chapter 2 1.8 Online
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BMP Selection Chapter 2 reflect the
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BMP Selection Chapter 2 Figure 2-2.
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BMP Selection Chapter 2 3.0 Life Cy
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BMP Selection Chapter 2 5.0 Referen
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Figure 3-15. Colorado Green Impervi
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Calculating the WQCV and Volume Red
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Chapter 4 Treatment BMPs Contents 1
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Treatment BMPs Chapter 4 2.0 Treatm
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Treatment BMPs Chapter 4 3.0 Refere
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Grass Buffer T-1 4. Buffer Slope: T
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Grass Buffer T-1 Turf grasses such
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Grass Buffer T-1 Figure GB-2. Typic
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Grass Buffer T-1 References Barrett
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T-2 Grass Swale • Provide access
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T-2 Grass Swale 8. Underdrain: An u
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T-2 Grass Swale Figure GS-1. Grass
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T-2 Grass Swale References Chow, Ve
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T-3 Bioretention Site Selection Bio
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T-3 Bioretention Table B-1. Class 1
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Bioretention T-3 Pipe Diameter Tabl
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Bioretention T-3 6. Inlet/Outlet Co
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Bioretention T-3 Table B-6. Native
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Bioretention T-3 Figure B-1 - Typic
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Bioretention T-3 November 2010 Urba
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Bioretention T-3 Figure B-2. Geomem
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Bioretention T-3 Construction Examp
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Bioretention T-3 Design Example The
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Bioretention T-3 Design Procedure F
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T-4 Green Roof reduction benefits o
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T-4 Green Roof Figure GR-1. Typical
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Green Roof T-4 6. Planting Method:
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Green Roof T-4 Additional Design Gu
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Green Roof T-4 Colorado Examples Th
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Extended Detention Basin (EDB) T-5
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T-5 Extended Detention Basin (EDB)
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Page 258 and 259: T-11 Underground BMPs Underground B
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T-12 Outlet Structures Orifice Plat
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T-12 Outlet Structures 100 A t / A
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T-12 Outlet Structures Table OS-3a.
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T-12 Outlet Structures Outlet Geome
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T-12 Outlet Structures Figure OS-2.
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Chapter 5 Source Control BMPs Conte
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Source Control BMPs Chapter 5 Table
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Source Control BMPs Chapter 5 • P
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Source Control BMPs Chapter 5 • S
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Source Control BMPs Chapter 5 5.0 R
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S-1 Covering Outdoor Storage and Ha
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S-2 Spill Prevention, Containment a
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S-2 Spill Prevention, Containment a
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S-3 Disposal of Household Waste •
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S-3 Disposal of Household Waste •
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S-4 Illicit Discharge Controls •
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Good Housekeeping S-5 Description G
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Good Housekeeping S-5 purchase orde
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Vehicle Maintenance, Fueling and St
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Vehicle Maintenance, Fueling and St
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S-8 Use of Pesticides, Herbicides a
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S-8 Use of Pesticides, Herbicides a
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Landscape Maintenance S-9 Descripti
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Landscape Maintenance S-9 • When
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Landscape Maintenance S-9 • Maint
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S-10 Snow and Ice Management o o Di
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S-10 Snow and Ice Management • Do
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S-11 Street Sweeping and Cleaning a
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S-12 Storm Sewer System Cleaning Fr
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BMP Maintenance Chapter 6 party res
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BMP Maintenance Chapter 6 with comm
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BMP Maintenance Chapter 6 4.5 Irrig
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BMP Maintenance Chapter 6 root syst
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BMP Maintenance Chapter 6 9.4 Mosqu
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BMP Maintenance Chapter 6 11.2 Debr
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BMP Maintenance Chapter 6 • Filte
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Construction BMP Fact Sheets Map Sy
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Chapter 7 Construction BMPs 1.0 Int
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Chapter 7 Construction BMPs 2.2 Sed
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Chapter 7 Construction BMPs Table 7
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Chapter 7 Construction BMPs o o The
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Chapter 7 Construction BMPs • Fin
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Chapter 7 Construction BMPs such as
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Chapter 7 Construction BMPs Pre-Con
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Chapter 7 Construction BMPs 4.1 Ero
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Construction BMPs Chapter 7 4.4 Mat
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Construction BMPs Chapter 7 • Slo
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Construction BMPs Chapter 7 • Pro
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Construction BMPs Chapter 7 constru
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Construction BMPs Chapter 7 Service
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Construction BMPs Chapter 7 When se
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Construction BMPs Chapter 7 • Tre
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Construction BMP Plan Symbols MS-2
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Construction BMP Plan Symbols MS-4
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Surface Roughening (SR) EC-1 Descri
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Surface Roughening (SR) EC-1 Novemb
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Temporary and Permanent Seeding (TS
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Soil Binders (SB) EC-3 Description
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Soil Binders (SB) EC-3 Factors to c
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Soil Binders (SB) EC-3 Installation
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Mulching (MU) EC-4 Description Mulc
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Compost Blanket and Filter Berm (CB
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Compost Blanket and Filter Berm (CB
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Rolled Erosion Control Products (RE
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EC-7 Temporary Slope Drains (TSD) M
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EC-7 Temporary Slope Drains (TSD) S
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EC-8 Temporary Outlet Protection (T
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Rough Cut Street Control (RCS) EC-9
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Rough Cut Street Control (RCS) EC-9
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EC-10 Earth Dikes and Drainage Swal
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EC-10 Earth Dikes and Drainage Swal
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Terracing (TER) EC-11 Description T
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Check Dams (CD) EC-12 Description C
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Check Dams (CD) EC-12 November 2010
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Check Dams (CD) EC-12 November 2010
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Streambank Stabilization (SS) EC-13
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Wind Erosion/Dust Control (DC) EC-1
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MM-1 Concrete Washout Area (CWA) se
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MM-1 Concrete Washout Area (CWA) CW
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MM-2 Stockpile Management (SM) When
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MM-2 Stockpile Management (SM) SP-4
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MM-2 Stockpile Management (SM) SP-6
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MM-3 Good Housekeeping Practices (G
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SC-1 Silt Fence (SF) Maintenance an
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SC-1 Silt Fence (SF) SF-4 Urban Dra
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SC-2 Sediment Control Log (SCL) Alt
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SC-2 Sediment Control Log (SCL) SCL
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Straw Bale Barrier (SBB) SC-3 Descr
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Straw Bale Barrier (SBB) SC-3 Novem
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SC-4 Brush Barrier (BB) Maintenance
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SC-5 Rock Sock (RS) RS-2 Urban Drai
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Inlet Protection (IP) SC-6 Descript
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Inlet Protection (IP) SC-6 • Remo
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Inlet Protection (IP) SC-6 August 2
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Inlet Protection (IP) SC-6 August 2
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Sediment Basin (SB) SC-7 Descriptio
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Sediment Basin (SB) SC-7 Illustrati
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Sediment Basin (SB) SC-7 August 201
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Sediment Basin (SB) SC-7 August 201
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SC-8 Sediment Trap (ST) ST-2 Urban
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Vegetated Buffers (VB) SC-9 Descrip
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SC-10 Chemical Treatment (CT) Maint
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SM-1 Construction Phasing/Sequencin
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SM-1 Construction Phasing/Sequencin
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SM-2 Protection of Existing Vegetat
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Construction Fence (CF) SM-3 Descri
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Construction Fence (CF) SM-3 Novemb
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SM-4 Vehicle Tracking Control (VTC)
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Stabilized Staging Area (SSA) SM-6
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Stabilized Staging Area (SSA) SM-6
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Street Sweeping and Vacuuming (SS)
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SM-8 Temporary Diversion Methods (T
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Dewatering Operations (DW) SM-9 Des
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Dewatering Operations (DW) SM-9 Nov
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Dewatering Operations (DW) SM-9 Nov
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SM-10 Temporary Stream Crossing (TS
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SM-11 Temporary Batch Plant (TBP) A
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Glossary 1 Note: This glossary is n
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Effluent Limitation Guidelines (ELG
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Low Impact Development (LID): LID i
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Revised Universal Soil Loss Equatio
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Bibliography Altitude Training Asso
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Bibliography U.S. Environmental Pro
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Bibliography Metcalf and Eddy, Inc.
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Bibliography Water Environment Fede
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