Within the framework of the comprehensive maintenance campaign carried out by the College of Engineering at the University of Basrah and its relentless endeavor to develop its infrastructure, which includes all scientific departments and units of the college, the technical staff in the Maintenance Division, under the direct supervision of the Deanship of the College, maintained and rehabilitated the sewage system in the Departments of Chemical Engineering and Petroleum Engineering. Where the system has been reworked and rehabilitated with the highest specifications and by self-effort, in order to provide the appropriate environment for students and employees of our college.