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Technical Guidance



Contact the Geo-Environmental Section

4040 Fairview Industrial Drive SE, MS 6
Salem, Oregon 97302
Phone: 503-986-3252
Fax: 503-986-3249

Resources and Related Content

Geo-Environmental Technical Guidance Directory

The following documents are for Geo-Environmental Section disciplines.

Technical guidance may be issued between official updates to related manuals. Bulletins are intended to provide immediate technical guidance on processes, procedures and design information.

 

 

Additional Information

Types of Guidance

Technical directives are mandatory.

These guidance documents are long-term, stand alone documents that provide technical information essential to the overall management of a technical program, its administration or its operation.​

​Technical bulletins are mandatory.

These guidance documents focus on methods, procedures, requirements or guidelines to accomplish operations, and to provide one-time, short- or long-term instruction.

Bulletin information may be incorporated into a manual or a specification during the next update cycle or remain as stand alone guidance. If incorporated into another document, the bulletin is rescinded.

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​Technical advisories are optional.​

These guidance documents provide or describe pertinent information, tools, tips, techniques and best practices. Advisories aim to enhance existing practices and procedures and to aid in technical decision-making.

Directives, bulletins and manuals take precedence over advisories.

These guidance documents are used to communicate project delivery policies to ensure consistency throughout ODOT. Operational notices identify best practices for project delivery activities.

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​Division directives are mandatory.​

These guidance documents are used as operational policy for ODOT Delivery & Operations Division staff and consultants. Directives pertain to all areas of the division, and indicate how the division will respond to a given issue.


Still have questions?

Please note, this page contains only current guidance documents. If you are unable to locate a specific document, it may have been superseded, rescinded, or incorporated into other guidance material such as a manual.

If you have questions about a particular document, contact us for assistance.​