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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: January 22, 2013

SUBJECT:  ENG – National Engineering Handbook (NEH), Part 650, Engineering Field Handbook (EFH)

Purpose:  To update existing IL supplements to EFH Chapter 17 on preapproved plastic pipe

Expiration Date:  Upon receipt

Explanation: This notice updates all three existing Illinois supplements to EFH Chapter 17. Here are a summary of changes:

  • IL EFH supplement 17-1 has no content changes. The formatting (headers, footers, page numbers, etc.) is updated to match the current NRCS style. This supplement will now be called IL EFH supplement 17.A.
  • The language in IL EFH supplement 17-2 on preapproved dual wall pipe in fill is changed to more clearly describe the conditions where the supplement applies. The formatting is also updated, and the document will now be called IL EFH supplement 17.B.
  • The language in IL EFH supplement 17-3 has been updated to more clearly describe the preapproval criteria. Pipes from Springfield Plastics and Fratco have been added to the preapproval list. The formatting is also updated, and the document will now be called IL EFH supplement 17.C.
Filing Instructions: Holders of hardcopy Illinois Engineering Drawing binders should:
  1. Discard IL EFH supplements 17-1.1 to 17-1.5, 17-2.1 to 17-2.4, and 17-3.1 to 17-3.2.
  2. Print out the attached supplements on green paper and file in the EFH Chapter 17:
    a. IL EFH supplement 17.A, pages IL 17.A-1 through IL 17.A-5
    b. IL EFH supplement 17.B, pages IL 17.B-1 through IL 17.B-2
    c. IL EFH supplement 17.C, pages IL 17.C-1 through IL 17.C-2
  3. Print out the attached table of contents and file at the beginning of the EFH, replacing the existing table of contents.

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

/s/ Acting STC Paula Hingson

Ivan Dozier
State Conservationist

DIST: All IL NRCS Employees
          All IL SWCD Employees


This attachment requires  Adobe Acrobat Reader to view: 
ILEFH_Ntc59.pdf  [PDF, 111kb]

Procedure Used to Qualify Dual Wall Plastic Pipe for Installation in Fills
IL17-1_Proc_DWP.pdf [PDF, 1,508kb]

Preapproved Smooth Interior PE Tubing for Fills
IL17-2_PreApp_DW.pdf [PDF, 70kb]

Preapproved Corrugated Polyethylene Drainage Tubing
IL17-3_PreApp_CPT.pdf [PDF, 12kb]

Illinois EFH Supplements Index
EFH_Sup_IL_Index.pdf [PDF, 15kb]

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