All papers, documents, memoranda, reports and other materials relating to the administrating of engineering duties of the Municipal Engineer shall be and remain the property of the City of Somers Point. At any time when requested by the City Administrator or a majority of the City Council, and upon the termination of his services with the City, the Municipal Engineer shall forthwith surrender to the City Administrator and/or City Council, or following termination of his services, to any successor, any and all such properties so required to be returned.