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Illinois Engineering Field Handbook Supplements

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Chapter 4 - Elementary Soils Engineering
Illinois NRCS Engineering Supplement File
Name
File
Type
No supplements submitted at this time.    

 

Chapter 5 - Preparation of Engineering Plans
Illinois NRCS Engineering Supplement File
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File
Type
No supplements submitted at this time.    

 

Chapter 6 - Structures
Illinois NRCS Engineering Supplement File
Name
File
Type
General Guide to Structure Selection 6-7 PDF

Drop Spillways Riprap of Approach Channel-Layout and Requirements 6-8.1 PDF
Drop Spillways Capacities 6-10.1 PDF
Drop Spillways Capacities 6-10.2 PDF

Reinforced Concrete Notch Spillway Dams Sh. 1 of 2 6-12.1a PDF
Reinforced Concrete Notch Spillway Dams Sh. 2 of 2 6-12.1b PDF
Index Sheet for R/C Toe-Walls Type A and Type B 6-12.2 PDF
Index Sheet for Concrete Block Straight Drop Spillway Sh. 1 of 2 6-12.3a PDF
Index Sheet for Concrete Block Straight Drop Spillway Sh. 2 of 2 6-12.3b PDF
Computation of Submerged Flow Over Drop Spillway 6-12.4 PDF

Corrugated Aluminum Toe-wall Drop Spillway  Design Sheets 6-14.1 PDF
Corrugated Aluminum Toe-wall Drop Spillway  Design Sheets 6-14.2 PDF
Corrugated Aluminum Toe-wall Drop Spillway  Design Sheets 6-14.3 PDF
Corrugated Aluminum Toe-wall Drop Spillway  Design Sheets 6-14.4 PDF
Corrugated Aluminum Toe-wall Drop Spillway  Design Sheets 6-14.5 PDF
Corrugated Aluminum Toe-wall Drop Spillway  Design Sheets 6-14.6 PDF
Corrugated Aluminum Toe-wall Drop Spillway  Design Sheets 6-14.7 PDF
Corrugated Aluminum Toe-wall Drop Spillway  Design Sheets 6-14.8 PDF

Maximum Spacing of Antiseep Collar 6-36.1 PDF

Head Discharge Table for Corrugated Metal Pipe Drop Inlets 6-42.1a PDF
Head Discharge Table for Corrugated Metal Pipe Drop Inlets 6-42.1b PDF
Head Discharge Table for Corrugated Metal Pipe Drop Inlets 6-42.1c PDF
Head Discharge Table for Corrugated Metal Pipe Drop Inlets 6-42.2a PDF
Head Discharge Table for Corrugated Metal Pipe Drop Inlets 6-42.2b PDF
Head Discharge Table for Corrugated Metal Pipe Drop Inlets 6-42.2c PDF
Head Discharge Table for Corrugated Metal Pipe Drop Inlets 6-42.3a PDF
Head Discharge Table for Corrugated Metal Pipe Drop Inlets 6-42.3b PDF
Head Discharge Table for Corrugated Metal Pipe Drop Inlets 6-42.4a PDF
Head Discharge Table for Corrugated Metal Pipe Drop Inlets 6-42.4b PDF
Head Discharge Table for Corrugated Metal Pipe Drop Inlets 6-42.5 PDF
Head Discharge Table for Corrugated Metal Pipe Drop Inlets 6-42.6 PDF
Head Discharge Table for Corrugated Metal Pipe Drop Inlets 6-42.7 PDF

Pipe Flow Charts (Hooded Inlets) Formula 6-48.1 PDF
Head Discharge Table for Corrugated Metal Pipe Hood Inlets 6-48.2 PDF
Head Discharge Tables for Corrugated Metal Pipe Hood Inlets 6-48.3 PDF
Head Discharge Table for Corrugated Metal Pipe Hood Inlets 6-48.4 PDF
Head Discharge Table for Welded Steep Pipe Hood Inlets 6-48.5 PDF
Head Discharge Table for Welded Steep Pipe Hood Inlets 6-48.6 PDF
Head Discharge Table for Welded Steep Pipe Hood Inlets 6-48.7a PDF
Head Discharge Table for Welded Steep Pipe Hood Inlets 6-48.7b PDF
Canopy Inlet Dimensions for Hooded Inlets 6-52.1 PDF

Guide for Corrosion Control of Steel Used for Underground Installation 6-93 PDF
Guide for Corrosion Control of Steel Used for Underground Installation 6-94 PDF
Guide for Corrosion Control of Steel Used for Underground Installation 6-95 PDF
Guide for Corrosion Control of Steel Used for Underground Installation 6-96 PDF
Guide for Corrosion Control of Steel Used for Underground Installation 6-97 PDF

Figure 1 Soil Restivity vs. Current (Ima) Required Per Sq. Ft. of Pipe 6-98 PDF
Figure 2 Soil Restivity Output of Packard Magnesium Anode 6-99 PDF
Figure 3 Expestancy Magnesium Anodes by Weight of Magnesium 6-100 PDF
Cathodic Protection Maintenance Tests 6-101 PDF
Four Tests Normally Used for Checking the Systems 6-102 PDF
Testing Continuity of the Pipe 6-103 PDF
Voltage Output of the Anode 6-104 PDF
Measuring of the Current Flow from Anode to the Pipe 6-105 PDF
Equipment to Perform Maintenance Test 6-106 PDF

Pre Approval of Smooth Interior PE Tubing for Fills 6-107(1) PDF
Pre Approval of Smooth Interior PE Tubing for Fills 6-107(2) PDF
Pre Approval of Smooth Interior PE Tubing for Fills 6-108 PDF

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Last Modified May 29, 2008
By Manny Quinones, USDA-NRCS
Email: manuel.quinones@il.usda.gov