This request is more formal than the notice of delay, and the actual procedure to request a time extension should be outlined in the contract. Construction Related Forms.This article discusses concurrent delay, its treatment in various legal jurisdictions, and offers practical guidelines. Learn more at Long International. A 90 day extension can be sought from DOB if approaching the 120 day limitation. Subject to the terms and conditions of this section, a permittee holding an unexpired permit may apply for a permit extension of up to 9 months. A time extension is a request for more time to complete a task, project, or assignment. Northbrook, Illinois 60062. Note that repair or corrective work to a prior improvement does not reset the 10year repose period. 4 If corntr1ibufed to delay of PR CON auilho:rizatio:n.