How I earned my CDT

The Construction Documents Technology (CDT) certification provides a comprehensive program of study for anyone seeking to enhance and demonstrate knowledge of writing, interpreting, enforcing, and managing construction documents.
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Practice guides for AECO professionals

Practice guides serve as a major part of the curated knowledge CSI has to offer professionals. Currently developed as a series of larger publications/textbooks, the practice guides also serve as the core knowledge for CSI’s certification program.
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How to recertify for your CDT

Attention all CDT Holders! Are you up to date on how to recertify for your CDT? All recertifications require 24 CSI learning units (LUs) every three years. Individuals who earned the CDT prior to spring 2018 will be recertifying Spring 2021 or Winter 2022.
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Write a blog

CSI invites you to enjoy blogs by O’Beirne and other CSI members, and also to consider submitting an article sharing your own insight, ideas, or professional experience.
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