Similar to Missouri, Pennsylvania courts may not permit a contractor to extend the time for filing a lien under certain circumstances. Learn about time limits and notice requirements for extra work claims in construction contracts here.Time for Completing Discovery and Filing PreTrial. A time extension is a request for more time to complete a task, project, or assignment. To qualify for an extension of time claim, this must be considered adverse weather. The Client Agency will then create the SRM purchase order(s) and construction can proceed in a mutually agreeable time frame. We have integrated Cloudpermit to facilitate the submission of online applications for all building and land-use related permits beginning January 1, 2025.