The Middlesex County Office of Planning is responsible for reviewing all development proposals (ie, subdivision and site plan applications) Step 1 Consult with Planning Staff: Applicants are encouraged to meet with Staff prior to submitting an application.Many standard forms are available below. All forms are categorized into their respective departments. The lot area and building location shall meet all area dimension and bulk standards for the zone in which it is located. All plans shall be drawn at one of the following scales, unless specified otherwise herein: one.