Request for Time Extension. Get answers to frequently asked questions of the Planning and Zoning Department of Wayne Township, NJ.Written notices are also normally required pursuant to most construction contracts in order to preserve rights to time extensions or additional funds. A time extension is a request for more time to complete a task, project, or assignment. The granting of a hardship extension only extends the time to pay the delinquent amount due. If it looks like an extension of time might be needed, the first step should be obvious: check the contract! The contractor would only have to complete the works in a "reasonable" time. The client may also lose any right to liquidated damages.