CTDOT Manuals

Road, Bridge, Construction Engineering

Engineering forms

This page features engineering forms 816, 817, and 818 and their supplements. The documents have the specifications you need for roads, bridges, facilities, and incidental construction projects.

Also find links to additional engineering and construction information resources – including engineering manuals.

Engineering manuals and resources

Get the manuals, bulletins, plans, policies, and other information you need to plan your project.
Materials testing

View the testing manuals from a list of approved aggregate sources.
Construction contract bidding & award manual

Read sources from the agency's bidding, award policies and practices.

Form 816 Specifications

Supplement Form 816 January 2016
Supplement Form 816 July 2015
Supplement Form 816 January 2015
Supplement Form 816 July 2014
Supplement Form 816 January 2014

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Form 817 Specifications

Contact and purchasing information
Form 817
Summary of changes Form 817
Supplement Form 817 January 2017
Supplement Form 817 July 2017

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Form 818 Specifications

Summary of changes Form 818 January 2023
Supplements only Form 818 January 2023
Form 818 July 2023
Summary of changes Form 818 July 2023
Supplements only Form 818 July 2023

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