A zoning permit is required for the construction, erection or alteration of any structure, or part of a structure, or use of a structure or land for purposes other than those permitted by this chapter. All requests for zoning permits shall be made in writing by the owner, or the authorized agent, and shall include a statement of the use, or intended use, of the building, or structure, or land, and shall be accompanied by a plan of the plot showing thereon the exact size, shape and location of all proposed structures and all existing structures and such other information (including a site plan or elements of a site plan) as may be necessary to provide for enforcement of this chapter and as may be reasonably required by the Zoning Officer.