Proposal Submission Requirements. In this blog, we will teach you how to write an effective construction proposal that stands out from the competition.The photos must show the area around where the work was done including the meter setting before and after. All photos must be provided to the Authority. B. In this video we'll discuss how to write a professional looking construction proposal that is more than a single page document. The Middlesex County Office of Planning is responsible for reviewing all development proposals (ie, subdivision and site plan applications) Bids shall be made upon the Standard Proposal Form. Any bid guarantee required will be so specified in the bid documents for that item.