Geotechnical Subscription Service
The department is now offering an electronic e-mail subscription service for
notifying interested persons of updated Geotechnical related items. This
free service makes it easy to stay informed.
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All Geotechnical
Manual User Memos (AGMU)
AGMU Memos are directives from the BBS Foundations and Geotechnical Unit advising
of policy changes prior to the policy's incorporation in the Geotechnical or
Sub Grade Stability manuals (PDF format)
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Geotechnical Forms
Download our latest forms in MS Word format. |
Geotechnical Manual (PDF format)
The latest version of this manual can be downloaded from the above link.
The AGMU Memos contain the most current information which supersedes the
corresponding information in this manual. |
Bridges and Structures
Documents, Manuals and Procedures
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Subgrade Stability Manual (PDF Format)
The latest version of this manual can be downloaded from the above link.
The AGMU Memos contain the most current information which supersedes the
corresponding information in this manual. |
Geotechnical Improvement Suggestion Box
Help continually improve our geotechnical program by sending your
suggestions for change pertaining to our policies, manuals, training,
specifications, and website to the IDOT BBS Foundations and Geotechnical
Unit. |
Geotechnical Training Courses and Class Reference Guides
Provides list of training courses, descriptions, schedules/locations, and
registration information. The class reference guide provided at each class
is also available for download in PDF format. |
Geotechnical Special Provisions
Geotechnical Special Provisions are provided for download in MS Word format
to ensure uniformity in contractor various geotechnical construction
activities and allows for its continual improvement. |
Geotechnical Design and Construction Spreadsheets
Provides various Excel spreadsheets which can be downloaded to assist in SGR
writing, Foundation design, and Construction Inspections. |
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Geotechnical
Design Guides
Detailed Step by Step Procedures are provided to document the equations and
proper use of the Geotechnical Spread Sheets. |