Duties of the Summer Intern

Operations

Primary MPN and planting samples will be available during the laboratory-training period Scum Pit Cleaning Secondary The intern will learn the method of scum pit cleaning under the direction of the operator. Alum Feed Adjustment Pump Activation Alum Feed pump adjustment and methods of determining Alum dosage will be taught during The intern will learn the procedure for activating STO duties. The Intern will be responsible for or switching return sludge, waste sludge and making all Alum Pump adjustments during STO chemical feed pumps. At least once per week duties. after this the intern will be assigned to start or stop pumps. RAS Pump Start-up Laboratory The Intern will be shown the method of RAS and Waste Pump start-up and shutdown. During the The intern will learn the following analyses during STO duty period, under the direction of the STO, the 2-3 weeks with the laboratory the Intern will make adjustments to RAS, WAS pumps. pH Analysis The Intern will learn the methods of pH analysis Waste Calculations using the laboratory pH meter. The Intern will The Intern will be shown the BASIC computer then be responsible for performing and recording program, which calculates sludge wasting rates, pH analysis during his tour of duty with operator. and will perform hand calculations to verify those Microbiological Determinations results. Sludge wasting from the WAS pumps The Intern will be responsible for planting will be started and/or stopped by the Intern as microbiological samples during the UV season. needed during his STO duties.

Sludge Depth Measurement Specific Oxygen Uptake Rate The intern will be shown the method of sludge The intern will be taught the method of SOUR depth measurements and will be responsible for analysis and will be responsible for daily SOUR performing the measurements under the direction analysis during his tenure at the Secondary System. of the STO during his tour of duty at the Secondary Specific Oxygen Uptake Rates will be graphed for System. the period of Internship. The Intern will be shown how to use the Excel spreadsheet for this purpose. Laboratory The Intern will be trained for 2-3 weeks in SVI Laboratory Procedures at the Fond du Lac The Intern will perform the SVI and Sludge Wastewater Collection and Treatment System. Settling Rate test during STO tours. The Intern will be responsible for performing these tests daily Mixed Liquor Solids during STO tours. The Intern will learn how to calibrate the centrifuge and perform Mixed Liquor and Return Phosphorus Analysis Sludge solids analysis by centrifuge during the During the Laboratory training period the Intern weeks worked on secondary treatment. will demonstrate proficiency in performing this test

Gravimetric Analysis The analysis of samples using the filtration and drying method for Suspended Solids measurements Duties of the Summer Intern Page 2 and drying dish for Total Solids will be learned during the Laboratory Training period. Wastewater Intern Sludge Handling The City of Fond du Lac is accepting applications Filter Operations for 2014 summer employment. Salary is $ per hour. The intern will learn as much of the operation, start-up, lubrication, and cleaning of the Centifuge A physical exam and drug-screening test is as possible during the tour of duty with the required prior to employment. operator. Interested individuals may obtain application materials in the City Personnel office or by calling (920) 322-3665...