(a) The Department of Public Works is mandated by this Charter. The Mayor shall appoint and fix the compensation of the head of the Department of Public Works. He or she shall perform the duties required through the Administrative Code or other action, or as may be required by general law. The Mayor shall also designate an individual who is professional engineer registered in the Commonwealth of Pennsylvania to serve as the City Engineer.
(b) The Department of Public Works shall include an environmentalist who shall be appointed by the head of the Department of Public Works, whose duties shall include education, lobbying, research and public liaison. The environmentalist shall have sufficient technical qualifications for a position of this type.