1. Not less than five (5) days before submission of the first Application for Payment, a scheduling conference attended by Contractor, progress schedule preparer, Engineer, and others as appropriate will be held at the site to review for acceptability to Engineer the preliminary progress schedule and associated network diagram and other reports and schedule-related documents required. Following the scheduling conference, Contractor shall have 15 days to make corrections and adjustments and to complete and resubmit the progress schedule and associated network diagram. No progress payment will be made to Contractor until acceptable initial progress schedule, network diagram, and other reports and schedule-related documents required are submitted to Engineer.