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Illinois NRCS Engineering Standard Drawings

Dams, Ponds and Reservoirs

NOTICE—The following standard drawings have been developed to assist in the design of typical NRCS engineering practices in Illinois. Before using any of the standard drawings or details, the designer should verify that the standard applies to the site and that the design limitations are not exceeded. Standard drawings are to be adapted as part of site specific designs that shall be reviewed and approved by qualified individual with appropriate approval authority.

The files listed below are available in following formats:

1. DWG - AutoCAD drawing.  To save a dwg file, point at the underlined hyperlink, then SHIFT + LEFT CLICK
2. DXF - Drawing Exchange Format generic CAD drawing. 
3. PDF - Adobe Acrobat Reader for viewing and printing only (no editing).
4. DWF - AutoDesk DWF Viewer for viewing and printing only (no editing).

Date IL-ENG-#
Illinois NRCS Engineering Drawing Title AutoCAD
DWG 		DXF CAD PDF AutoCAD
DWF 
5/05 Data Sheet for Dams 11.dwg 11.dxf 11.pdf 11.dwf
4/07 Plan for Earth Dam 41.dwg 41.dxf 41.pdf 41.dwf
4/07 Plan for Earth Dam with Hood Inlet Principal Spillway Sh. 1 of 2 (50-26909) (Formerly ILL-106, 12/68) 42A.dwg 42A.dxf 42A.pdf 42A.dwf
9/01 Plan for Earth Dam with Hood Inlet Principal Spillway Sh. 2 of 2 (50-26909) (Formerly ILL-106, 12/68) 42B.dwg 42B.dxf 42B.pdf 42B.dwf
4/07 Plan for Earth Dam with Drop Inlet Principal Spillway Sh. 1 of 2 (50-26910) (Formerly ILL-107, 12/68) 43A.dwg 43A.dxf 43A.pdf 43A.dwf
11/02 Plan for Earth Dam with Drop Inlet Principal Spillway
(50-26910) (Formerly ILL-107, 12/68) Sh. 2 of 2		 43B.dwg 43B.dxf 43B.pdf 43B.dwf
4/07 Conical Trash Rack Detail for 48" Diameter Smooth Riser 72.dwg 72.dxf 72.pdf 72.dwf
4/07 Conical Trash Rack Detail for 54" Diameter Smooth Riser 73.dwg 73.dxf 73.pdf 73.dwf
4/07 Conical Trash Rack Detail for 60" Diameter Smooth Riser 74.dwg 74.dxf 74.pdf 74.dwf
4/07 Conical Trash Rack Detail for 60" Diameter Concrete Pipe Riser 75.dwg 75.dxf 75.pdf 75.dwf
4/07 Conical Trash Rack Detail for 6" to 24" Dia. Pipe Riser Sh. 1 of 2 76A.dwg 76A.dxf 76A.pdf 76A.dwf
4/07 Conical Trash Rack Detail for 6" to 24" Dia. Pipe Riser Sh. 2 of 2 76B.dwg 76B.dxf 76B.pdf 76B.dwf
4/07 Details of Antivortex and Safety Guard for CMP Risers 110N.dwg 110N.dxf 110N.pdf 110N.dwf
4/07 Details for Wooden Headwall and Safety Guard for CMP Risers 111N.dwg 111N.dxf 111N.pdf 111N.dwf
4/07 Details of CMP Vertical Drop Inlet with Horizontal Anti-Vortex Baffle Sh. 1 of 2 116A.dwg 116A.dxf 116A.pdf 116A.dwf
4/07 Details of CMP Vertical Drop Inlet with Horizontal Anti-Vortex Baffle Sh. 2 of 2 116B.dwg 116B.dxf 116B.pdf 116B.dwf
5/05 Drain Details for CMP using 8", 10", and 12" Valves 121.dwg 121.dxf 121.pdf 121.dwf
10/01 Timber Support - Dropped Outlet for 8-inch through 24-inch Pipe Diameter Metal Pipe Sh. 1 of 2 174A.dwg 174A.dxf 174A.pdf 174A.dwf
4/07 Timber Support - Dropped Outlet for 8-inch through 24-inch Pipe Diameter Metal Pipe Sh. 2 of 2 174B.dwg 174B.dxf 174B.pdf 174B.dwf
10/01 Pond Dewatering System Sh. 1 of 2 175A.dwg 175A.dxf 175A.pdf 175A.dwf
4/07 Pond Dewatering System Sh. 2 of 2 175B.dwg 175B.dxf 175B.pdf 175B.dwf
5/05 Details of Corrugated Metal Pipe Vertical Inlet w/Short Splitter Type Baffle Sh. 1 of 2 177A.dwg 177A.dxf 177A.pdf 177A.dwf
4/07 Details of Corrugated Metal Pipe Vertical Inlet w/Short Splitter Type Baffle Sh. 2 of 2 177B.dwg 177B.dxf 177B.pdf 177B.dwf
9/03 Timber Support Propped Outlet 30" to 48" Dia Metal Pipe Sh. 1 of 2 180A.dwg 180A.dxf 180A.pdf 180A.dwf
9/03 Timber Support Propped Outlet 30" to 48" Dia Metal Pipe Sh. 2 of 2 180B.dwg 180B.dxf 180B.pdf 180B.dwf
4/07 Details of Corrugated Metal Pipe Vertical Inlet With Guard for 18" and 24" Risers Sh. 1 of 2 181A.dwg 181A.dxf 181A.pdf 181A.dwf
6/03 Details of Corrugated Metal Pipe Vertical Inlet With Guard for 18" and 24" Risers Sh. 2 of 2 181B.dwg 181B.dxf 181B.pdf 181B.dwf
4/07 Details of Corrugated Metal Pipe Vertical Inlet With Guard for 30" and 48" Risers Sh. 1 of 2 182A.dwg 182A.dxf 182A.pdf 182A.dwf
6/03 Details of Corrugated Metal Pipe Vertical Inlet With Guard for 30" and 48" Risers Sh. 2 of 2 182B.dwg 182B.dxf 182B.pdf 182B.dwf
4/07 Details of Corrugated Metal Pipe Vertical Inlet With Guard for 54" and 60" Risers Sh. 1 of 2 183A.dwg 183A.dxf 183A.pdf 183A.dwf
6/03 Details of Corrugated Metal Pipe Vertical Inlet With Guard for 54" and 60" Risers Sh. 2 of 2 183B.dwg 183B.dxf 183B.pdf 183B.dwf
9/01 Appurtenances for Corrugated Metal Pipe Structures Sh. 1 of 3 200A.dwg 200A.dxf 200A.pdf 200A.dwf
9/01 Appurtenances for Corrugated Metal Pipe Structures Sh. 2 of 3 200B.dwg 200B.dxf 200B.pdf 200B.dwf
4/07 Appurtenances for Corrugated Metal Pipe Structures Sh. 3 of 3 200C.dwg 200C.dxf 200C.pdf 200C.dwf
4/07 Butyl Rubber Membrane Antiseep Collar - 1" to 15" Diameter Smooth Wall Plastic Pipe 201.dwg 201.dxf 201.pdf 201.dwf
4/07 Hood Inlet for C. M. Pipes Details for Fabrication Sh. 1 of 2 202A.dwg 202A.dxf 202A.pdf 202A.dwf
4/07 Hood Inlet for C. M. Pipes Details for Fabrication Sh. 2 of 2 202B.dwg 202B.dxf 202B.pdf 202B.dwf
4/07 PVC Canopy Inlet 203.dwg 203.dxf 203.pdf 203.dwf

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Last Modified May 21, 2008
By Manny Quinones, USDA-NRCS
Email: manuel.quinones@il.usda.gov