[Ord. #585, § 903A]
Prior to the granting of final approval, the applicant shall have installed, or furnished performance guaranties as set forth in section 21-59 for the ultimate installation of, the improvements described below. All improvements shall be subject to approval and inspection by the Township Engineer, who shall be notified by the developer at least two weeks prior to the start of construction of any improvements and at least 48 hours prior to the completion of any phase of an installation. No underground installation shall be covered until inspected and approved.