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0 0 WASTEWATER TREATMENT START-UP & SHUTDOWN PROCEDURES SYSTEM START UP PROCEDURES 1. Read/review previous shift's Operation Log and Wastewater Treatment Status Log. 2. Check for alarm conditions on main wastewater control panel. Clear and reset if necessary. 3. Check calibration of Sigma pH probe (see Sigma Calibration Procedure). 4. Begin start-up checklist in the Wastewater Treatment Status Log. 5. Visually check wastewater sumps for liquid level conditions. Activate sump pumps manually, if necessary, to transfer liquid solution to the designated process hold tanks. 6. Check liquid levels in all chemical feed drums. Change drums as necessary. 7. To start the Wastewater System: a. All switches that are on the Wastewater Control Panel, that are necessary to run the Wastewater Treatment System are numbered in black. b. There are six switches on the Wastewater Control Panel that always run in Auto Mode, for recirculation and level control. i. #2 Concentrate Hold Tank Transfer Pumps-Recirculation ii. #3 Permeate Collection Sump Pumps-Level Control iii. #8 Rinse Collection Sump Pumps-Level Control iv. #10 Dry Pit Sump Pump-Level Control v. #15 Permeate Rinse Hold Tank Transfer Pump- Recirculation vi. #22 Rinse Hold Tank Transfer Pumps-Recirculation c. Turn the following switches to Auto position: i. 2, 3, 8, 10, 13, 14, 15, 16, 21, 22, 27 d. Turn the following switches to On position: i. 4, 5, 18 e. After these switches are turned to their appropriate position, turn the Chemical Master Switch to the On position. The Chemical Master Switch turns the power on to the following switches: i. 13, 14, 18, 21, 27 f. Open discharge valves to the following tanks: i. Concentrate Hold Tanks ii. Rinse Collection Tanks iii. Permeate Rinse Collection Tank (if necessary) g. Complete Waste Water Treatment Start-up Status Check List. NTC 19a Wastewater Treament Start-up Shutdown Procedures 1-21-05