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Monday, June 12, 2017


Addendum (Addenda) is a supplement, revision, or clarification to the construction documents developed and published by the designer or engineer. Addenda are issued during the bidding process or when the job is underway. They are distinguished from change orders in that they do not refer to time or cost and clients do not generally sign off on them. Addenda issued during the bidding process must be read carefully by each bidder because they provide answers to questions put to the designer by every contractor bidding on that job. 

From the Terms & Definition section of EOB