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United States Department of Agriculture
Natural Resources Conservation Service

2118 W. Park Court, Champaign, IL 61821
Phone: 217/353-6600 Fax: 217/353-6676 Website:

DATE: July 13, 2012

SUBJECT:  ENG – National Engineering Handbook (NEH), Part 645, Engineering Technical Materials

Purpose:  To distribute revised and new IL-ENG standard drawings

Expiration Date:  Upon receipt

Explanation of changes. This notice distributes 27 revised and 2 new standard engineering drawings. Major highlights include:

  • Fence drawings – added allowance for Class I and II type brace pins and clarified that metal weight includes post and anchor plate
  • New drawings: Rock Crossing for Waterway, Flanged Metal Pipe Connections
  • Complete revision of Terrace Basin Plan
  • Consolidation of existing surface inlet (riser) drawings, with clarifications on material specifications
  • Clarification on use of downstream plastic cutoff for Block Lined Chute
  • The Illinois NRCS engineering website will be revised to reflect the updated drawings:
Filing Instructions. Optional. Holders of hardcopy Illinois Engineering Drawing binders should:
  1. Replace Numerical Index dated 4/2012 with the new Numerical Index (attached) dated 7/2012.
  2. Replace Category Index dated 4/2012 with the new Category Index (attached) dated 7/2012.
  3. Print copies of the new and revised drawings, which will be temporarily available on SharePoint until 7-27-2012: Documents/Forms/AllItems.aspx
  4. Follow instructions on attached distribution listing of new drawings, filing in IL-ENG Drawing binder.

Questions regarding this submittal should be directed to the Area Engineer.

Ruth Book
State Conservation Engineer

DIST: All IL NRCS Employees
          All IL SWCD Employees



This attachment requires  Adobe Acrobat Reader to view: 
ILEFHNotice56SignedRuthBook.pdf  [PDF, 104kb]

Category Index
Category_Index_7-2012.pdf [PDF, 34kb]

Numerical Index
Numerical_Index_7-2012.pdf [PDF, 35kb]

Drawing Distribution List
Drawing_Distrib_List_7-2012.pdf [PDF, 17kb]

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