Maintenance and/or escrow account. The Planning Board, at its sole discretion, may require the applicant and/or the owner to establish, prior to approval of any application, a maintenance and/or escrow account in an amount sufficient to cover the reasonable cost of technical review, maintenance, or removal of said tower, guys and accessory structures. The amount required shall be determined at the sole discretion of the Board, based upon the characteristics of the tower and site, and the Board shall have the authority and discretion to use all or any portion of the escrow account for maintenance or removal of the tower(s), guys, and/or accessory structures. The applicant and/or owner shall cooperate with the Board in supplying all necessary construction and maintenance data to the Board prior to approval of any application. The Planning Board, in its sole discretion, may require annual inspections of the site to ensure its structural soundness and safety and compliance with any conditions of approval. The reasonable cost of such inspections shall be borne by the applicant.