16 Elutrient Pump Shutdown

1.     Turn of f pump control at SCADA.

a.     View the Sludge Pump Room SCADA screen.   The Elutrient Pumps are located in the bottom right corner of the screen view.

b.     Click on STOP for the pump(s) that is to be taken offline.  The pump’s “green light” should go out.

2.     Turn off the pump(s) at the Local Control Panel.

a.     Turn the HOA Switch {tag nos. 1609HS6100B & 1609HS6200B} to the OFF position.

b.     Monitor pump status at the HMI screen.  The screen should indicate that there is no flow being pumped through the Elutrient Water system.

c.     Follow the Lock Out/Tag Out procedure for the pump(s) being taken offline. Click here for a copy of the procedure.

3.     Verify Suction and Discharge Valve Status.

a.     Close the suction isolation valve for the pump(s) being taken offline {tag nos. 1609VLV6100 & 1609VLV6200}.

b.     Close the discharge isolation valve for the pump(s) being taken offline {tag nos. 1609VLV6100B & 1609VLV6200B}.

4.     Observe Elutrient Pump Operation:

a.     Listen for excessive noise or vibration.

b.     Check for oil or process fluid leaks.

5.     Record Data to Operator’s Log Book:  Record Elutrient Pump activities to the log book with other entries for the day.  Include the following in the entry:

·         Operator(s) that performed the Elutrient Pump SOP.

·         Note condition of equipment, piping, valves, etc.

·         Note any unusual conditions with flows, levels, odors or other process issues.

·         Note any damage, wear, or required maintenance on equipment.