7580
PHRASEOLOGY SEWAGE DISPOSAL PLANT OPERATION & DRIVERS
CROSS-REF. State Special: California—Sanitary or Sanitation Districts Operation—All Employees—this classification shall apply to all work incidental to the maintenance and operation of sewer systems or sewage disposal plants. Additions to, alterations or construction of sewer lines or sewage disposal plants shall be separately classified;
Massachusetts—Municipal, Township, County or State Employee NOC—Major Governmental Occupations Assigned to Classifications Other Than Code 9410: Sewage Disposal Plant—Including Drivers.
SCOPE This classification covers all operations of a sewage disposal plant that can be operated by a municipal board or commission or a private company. The plant can dispose of sewage by a number of methods, the most common of which are plain sedimentation, chemical coagulation, biological processes and various combinations of these three. These processes kill bacteria and speed up decomposition so that raw sewage is not dumped into waterways or incinerated. The extension of pipelines is contemplated by Code 7580 as well as repair and maintenance on same.