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Illinois Field Handbook - Notice 66

United States Department of Agriculture
Natural Resources Conservation Service
2118 W. Park Court, Champaign, IL 61821
Phone: 217/353-6600 Fax: 217/353-6676

August 21, 2013

210 – ENG
Notice IL66

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

Purpose. To distribute new IL supplements to EFH Chapter 17 on acceptable fill over pipes.

Effective Date. Upon receipt.

Explanation of Changes. This notice distributes a new Illinois supplement to EFH Chapter 17 containing acceptable minimum and maximum earthfill heights over pipes of different material types.

The supplement contains the pipe tables that are currently in Illinois Conservation Practice Standard 378 – Pond, along with a table for corrugated plastic tubing. The existing pipe tables in Conservation Practice Standards IL 378, Pond and IL 410, Grade Stabilization Structure will be replaced with a reference to this supplement when the standard are next updated.

The Illinois NRCS engineering website will be updated with these changes: nrcs/main/il/technical/engineering/.

Filing Instructions. Holders of hardcopy Illinois Engineering Drawing binders should:

1. Print out the attached supplements on green paper and file in the EFH Chapter 17:
a. IL EFH supplement 17.D, pages IL 17.D-1 through IL 17.D-4
2. Print out the attached table of contents and file at the beginning of the EFH, replacing the existing table of contents for Illinois Supplements.

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


State Conservationist
Dist: All IL NRCS Employees
All IL SWCD Employees

This attachment requires Adobe Acrobat Reader to view:

EFHNotice66.pdf [PDF, 100kb]

Illinois EFH Supplement Index
EFH Illinois Supplement Index.pdf [PDF, 24kb]

Minimum and Maximum Fill Over Pipes
Fill Over Pipes.pdf [PDF, 64kb]


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