Chapter 7 - Grassed Waterways
|
Illinois NRCS Engineering Supplement |
File
Name |
File
Type
|
|
Top Widths for Parabolic Grassed Waterways with 0.1% Grade |
7-42.1 |
PDF |
|
Top Widths for Parabolic Grassed Waterways with 0.2% Grade |
7-42.2 |
PDF |
|
Top Widths for Parabolic Grassed Waterways with 0.3% Grade |
7-42.3 |
PDF |
|
Top Widths for Parabolic Grassed Waterways with 0.4% Grade |
7-42.4 |
PDF |
|
Top Widths for Parabolic Grassed Waterways with 0.5% Grade |
7-42.5 |
PDF |
|
Top Widths for Parabolic Grassed Waterways with 0.7% Grade |
7-42.6 |
PDF |
|
Top Widths for Parabolic Grassed Waterways with 1.0% Grade |
7-42.7 |
PDF |
|
Top Widths for Parabolic Grassed Waterways with 1.5% Grade |
7-42.8 |
PDF |
|
Top Widths for Parabolic Grassed Waterways with 2.0% Grade |
7-42.9 |
PDF |
|
Top Widths for Parabolic Grassed Waterways with 3.0% Grade |
7-42.10 |
PDF |
|
Top Widths for Parabolic Grassed Waterways with 5.0% Grade |
7-42.11 |
PDF |
|
Top Widths for Parabolic Grassed Waterways with 7.0% Grade |
7-42.12 |
PDF |
|
Top Widths for Parabolic Grassed Waterways with 10.0% Grade |
7-42.13 |
PDF |
|
Top Widths for Parabolic Grassed Waterways with 15.0% Grade |
7-42.14 |
PDF |
|
|
Waterway Plan |
7-45 |
PDF |
|
Waterway Construction & Seeding Specification |
7-46 |
PDF |
|
|
Design Aide for Small Grass Waterway |
7-48 |
PDF |
|
Illinois State Map Used for Design of Small Grass Waterway |
7-49 |
PDF |
|
Standard Waterway Design Chart |
7-50 |
PDF |
Chapter 8 - Terraces
|
Illinois NRCS Engineering Supplement |
File
Name |
File
Type
|
|
Natural Storage Above Narrow All Grass Terraces in Cu. Ft. / Lin. Ft. |
8-92.1 |
PDF |
|
|
Plastic Tubing Drainage Chart |
8-100.1 |
PDF |
|
Clay and Concrete Tile Drainage |
8-100.2 |
PDF |
|
Subsurface Drain Discharge |
8-100.3 |
PDF |
|
|
Exhibit 8-5.1 Discharge Rates of Circular Orifice in C.F.S. |
8-102.1 |
PDF |
|
|
Terrace Design Procedure |
8-105 |
PDF |
|
Terrace Design Procedure |
8-106 |
PDF |
|
Terrace Design Procedure |
8-107 |
PDF |
|
Terrace Design Procedure |
8-108 |
PDF |
|
Terrace Design Procedure |
8-109 |
PDF |
|
Terrace Design Procedure |
8-110 |
PDF |
|
Terrace Design Procedure |
8-111 |
PDF |
|
|
Broad Base Terraces - Table 8 IL-1 |
8-112 |
PDF |
|
Grass Backslope Terraces - Table 8 IL 2 |
8-113 |
PDF |
|
Terrace Spacing for Different Farming Equipment Widths - Table 3 |
8-114 |
PDF |
|
Broadbase Terraces - Tables 8 IL-4 and 8 IL-5 |
8-115 |
PDF |
|
Broadbase Terraces & Grass Backslope Terraces - Table 8 IL-5 (Continued) |
8-116 |
PDF |
|
Grassed Backslope Terraces - Table 8 IL-6 |
8-117 |
PDF |
|
Gradient Terraces Design Chart - Figure 8 IL-1 |
8-118 |
PDF |
|
Graph for Design of Terrace Channel - Figure 8 IL-2 |
8-119 |
PDF |
|
Terrace Design Chart Max. & Min. Channel Slopes
Sh. 1 of 2 - Figure 8 IL-3 |
8-120A |
PDF |
|
Terrace Design Chart Max. & Min. Channel Slopes
Sh. 2 of 2 - Figure 8 IL-3 |
8-120B |
PDF |
|
|
Table 8 IL-7 Terrace Design-Runoff 2", Velocity 1.5 ft/s |
8-121 |
PDF |
|
Table 8 IL-8 Terrace Design-Runoff 2", Velocity 2.0 ft/s |
8-122 |
PDF |
|
Table 8 IL-9 Terrace Design-Runoff 2", Velocity 2.5 ft/s |
8-123 |
PDF |
|
Table 8 IL-10 Terrace Design-Runoff 2.5", Velocity 1.5 ft/s |
8-124 |
PDF |
|
Table 8 IL-11 Terrace Design-Runoff 2.5", Velocity 2.0 ft/s |
8-125 |
PDF |
|
Table 8 IL-12 Terrace Design-Runoff 2.5", Velocity 2.5 ft/s |
8-126 |
PDF |
|
Table 8 IL-13 Terrace Design-Runoff 3.0", Velocity 1.5 ft/s |
8-127 |
PDF |
|
Table 8 IL-14 Terrace Design-Runoff 3.0", Velocity 2.0 ft/s |
8-128 |
PDF |
|
Table 8 IL-15 Terrace Design-Runoff 3.0", Velocity 2.5 ft/s |
8-129 |
PDF |
|
|
Sizing Terrace Storage Basins and Outlets for Terraces with Underground
Outlets |
8-130 |
PDF |
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