Whenever it is necessary that off-site sanitary sewer and/or storm drain conveyance facilities be installed by the developer which can or will be used for the benefit, immediate or future, of property not in the development, the developer shall be required to install such facilities in addition to his own on-site improvements, and may then apply to the City for formation of a Reimbursement District in accordance with Section 3.900 through 3.913 of the Medford Code for recovery of all or part of the excess costs of the off-site sanitary sewer and/or storm drain facilities.