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DRAINAGE CRITERIA MANUAL (V. 2) DESIGN EXAMPLES
DESIGN EXAMPLES—SECTION 4
CONTENTS
Section PageDE-
4.0 CASE STUDY—ROCK CREEK .................................................................................................... 50
Figures for Section 4
Figure 1—Flor Storage Facility Plan View.................................................................................................. 53
Figure 2—Typical Pond Edge Adjacent to Community Ditch ..................................................................... 54
Figure 3—Typical Embankment Crest........................................................................................................ 54
Figure 4—Typical Pond Edge Adjacent to Filing No. 13 ............................................................................ 55
Figure 5—Typical Clay Cutoff Trench......................................................................................................... 55
Figure 6—Profile Pond Outlet Works.......................................................................................................... 56
Figure 7—Plan Drop Box............................................................................................................................ 56
Figure 8—Section Drop Box....................................................................................................................... 57
Figure 9—Plan 78" RCP Outlet .................................................................................................................. 58
Figure 10—Section 78” RCP Outlet............................................................................................................ 58
Figure 11—Rock Creek Flor Storage and Landscape Plan ....................................................................... 59
Figure 12—Landscape Plan Construction Notes and Plant Legend .......................................................... 60
Figure 13—Planting and Trail Details......................................................................................................... 61
Figure 14—Grouted Boulder Drop Structures ............................................................................................ 64
Figure 15— LB3 Channel Profile ................................................................................................................ 65
Figure 16—Typical Drop Structure ............................................................................................................. 65
Figure 17—Grout Cutoff Section ................................................................................................................ 66
Figure 18—Drop Structure Profile .............................................................................................................. 66
Figure 19—Typical Drop Basin Section and Sill......................................................................................... 67
Figure 20—Typical Drop Face Section....................................................................................................... 67
Figure 21—Drop Structure Measurement Table ........................................................................................ 68
Figure 22—LB3 Channel Plan.................................................................................................................... 72
Figure 23—Typical Wetland Channel Section and LB3 Channel Profile.................................................... 72
Figure 24—Check Structure Plan............................................................................................................... 73
Figure 25—Check Structure Profile ............................................................................................................ 73
Figure 26—Check Structure Layout Table ................................................................................................. 74
Figure 27—Check Structure Details ........................................................................................................... 75
Figure 28—Stream Stabilization Plan......................................................................................................... 79
Figure 29—Grouted Boulder Check Structure with Low-Water Crossing Site Plan................................... 80
Figure 30—Typical Stream Stabilization Detail .......................................................................................... 81
Figure 31—Stream Stabilization Site Plan ................................................................................................. 81
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DESIGN EXAMPLES DRAINAGE CRITERIA MANUAL (V. 2)
4.0 CASE STUDY—ROCK CREEK
The purpose of this case study is to demonstrate the following features:
•
Detention facility
• Grouted boulder drop structure
• Grouted boulder check structures and wetland bottom channels
• Stream bank stabilization including grouted boulder check structure with low-water crossing,
slope flattening and revegetation
McLaughlin Water Engineers, Ltd. (MWE) and the Norris/Dullea Company (both based in Denver)
prepared the attached drawings. Photographs are provided for each of the facilities featured in this case
study.
The formal names of these projects are:
1. Tributary LB-3 Channel and Flor Storage Facility
2. Rock Creek Stabilization, Tributary RB-3 Outfall Pipe, and Community Pond East
The client for MWE and Norris/Dullea Company was Superior Metropolitan District No. 1 and the relevant
drawings were prepared in 1994 and 1997.
Public reaction to the facilities shown on the attached pages and to the overall drainage plan has been
extremely positive due to the aesthetic nature of the facilities, the fact that they nicely integrate into the
community, their environmentally-sensitive nature and multi-purpose benefits. There is no question that
the drainage system in Rock Creek substantially enhances community character and the value of
residential properties.
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DRAINAGE CRITERIA MANUAL (V. 2) DESIGN EXAMPLES
Detention Facility—Flor Storage Facility
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DESIGN EXAMPLES DRAINAGE CRITERIA MANUAL (V. 2)
Detention Facility—Flor Storage Facility
and Interpretive Sign
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DRAINAGE CRITERIA MANUAL (V. 2) DESIGN EXAMPLES
Figure 1—Flor Storage Facility Plan View
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DESIGN EXAMPLES DRAINAGE CRITERIA MANUAL (V. 2)
6”
Figure 2—Typical Pond Edge Adjacent to Community Ditch
Figure 3—Typical Embankment Crest
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Figure 4—Typical Pond Edge Adjacent to Filing No. 13
Figure 5—Typical Clay Cutoff Trench
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Figure 6—Profile Pond Outlet Works
Figure 7—Plan Drop Box
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Figure 8—Section Drop Box
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DESIGN EXAMPLES DRAINAGE CRITERIA MANUAL (V. 2)
Figure 9—Plan 78" RCP Outlet
Figure 10—Section 78” RCP Outlet
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DRAINAGE CRITERIA MANUAL (V. 2) DESIGN EXAMPLES
Figure 11—Rock Creek Flor Storage and Landscape Plan
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Figure 12—Landscape Plan Construction Notes and Plant Legend
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DRAINAGE CRITERIA MANUAL (V. 2) DESIGN EXAMPLES
Figure 13—Planting and Trail Details
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DESIGN EXAMPLES DRAINAGE CRITERIA MANUAL (V. 2)
Grouted Boulder Drop Structures on Tributary LB-3 Channel
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Grouted Boulder Drop Structures on Tributary LB-3 Channel
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Figure 14—Grouted Boulder Drop Structures
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Figure 15— LB3 Channel Profile
Figure 16—Typical Drop Structure
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Figure 17—Grout Cutoff Section
Figure 18—Drop Structure Profile
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Figure 19—Typical Drop Basin Section and Sill
Figure 20—Typical Drop Face Section
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Figure 21—Drop Struc ture Measurement Table
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DRAINAGE CRITERIA MANUAL (V. 2) DESIGN EXAMPLES
Grouted Boulder Check Structures And Wetland Bottom Channels
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DESIGN EXAMPLES DRAINAGE CRITERIA MANUAL (V. 2)
Grouted Boulder Check Structures And Wetland Bottom Channels
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Wetland Bottom Channel
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DESIGN EXAMPLES DRAINAGE CRITERIA MANUAL (V. 2)
Figure 22—LB3 Channel Plan
Figure 23—Typical Wetland Channel Section and LB3 Channel Profi le
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Figure 24—Check Structure Plan
Figure 25—Check Structure Profile
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Figure 26—Check Structure Layout Table
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Figure 27—Check Structure Details
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Stream Bank Stabilization Including Grouted Boulder Check Structure With
Low-Water Crossing, Slope Flattening, And Revegetation
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DRAINAGE CRITERIA MANUAL (V. 2) DESIGN EXAMPLES
Stream Bank Stabilization Including Grouted Boulder Check Structure With
Low-Water Crossing, Slope Flattening, And Revegetation
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DESIGN EXAMPLES DRAINAGE CRITERIA MANUAL (V. 2)
Stream Bank Stabilization Including Grouted Boulder Check Structure With
Low-Water Crossing, Slope Flattening, And Revegetation
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Figure 28—Stream Stabilization Plan
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Figure 29—Grouted Boulder Check Structure with Low-Water Crossing Site Plan
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Figure 30—Typical Stream Stabilization Detail
Figure 31—Stream Stabilization Site Plan