Chap. 489. AN ACT PROVIDING TENURE FOR THE SUPERIN- TENDENT OF PUBLIC WORKS AND THE ASSISTANT SUPERINTENDENT OF PUBLIC WORKS OF THE CITY OF NEWBURYPORT. Be it enacted, etc., as follows: SECTION 1. Notwithstanding any law to the contrary, the tenure of office of Joseph E. Keefe, incumbent of the office of superintendent of public works of the city of Newburyport, and the tenure of office of George S. Zanni, Jr., incumbent of the office of assistant superintendent of public works of said city, shall be unlimited until each person reaches the age of seventy years; provided, however, that each person may be removed for cause after a hearing in the manner provided under the provisions of chapter thirty-one of the General Laws. SECTION 2. This act shall take effect upon its passage. Approved July 14, 1980.