When the commissioner determines, based on the size, novelty, complexity or technical difficulty of a project, that work cannot be completed within the schedule for timely action applicable to a permit application pursuant to subdivision (3) of subsection (b) of § 22a-6p, the commissioner shall notify the applicant of such determination within thirty days of receiving the permit application and shall, within forty-five days of providing such notice, establish an alternative permit schedule for timely action.