1995-08-11_REVISION - M1977493 (12)

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0 SYSTEM ALARMS LOCATION DESCRIPTION No. 5 Shaft Pump Station All #5 shaft alarms are transmitted to the mill control room. #5 shaft Hi-Level alarm indicates a high water level in #5 shaft. #5 shaft Hi-Hi-Level alarm indicates a high-high water level in#5 shaft. #5 shaft manual control alarm indicates that the pump control system is in the manual mode. This mode of operation will prohibit the pumps from operating automatically via the level controls. Pump#1 ASD Fault alarm indicates that a fault has occurred on the pump #1 ASD motor control. The SWWPS acts as an backup to the No. 5 Shaft Pump Station Storke Wastewater Pump PUMP SET FAILURE- In the automatic mode of operation, this alarm will be activated if the probe control calls Station* for a pump set to come on line and the set fails to function. During manual operation this alarm will come on if one of the pump selector switches is in the start position and any of the pumps are not running. RESERVOIR LOW LEVEL-This alarm is activated if the water level in the reservoir drops below 11,048'-6". * remember that one The pumps may need to be re-primed. discharge line should be PEAK FLOW CONDITION-This alarm activates if the water level in the reservoir rises to 1 1,055'-6" drained for the winter RESERVOIR OVERFLOW-This alarm activates if the water level in the reservoir reaches 11,057'-6" SUMP PIT HI-HI LEVELI-This alarm activates when the water level in the pump pit rises to the level of the bottom of the floor trench in the basement. PROCESSOR FAULT-This alarm indicates a failure in the programmable controller or a 480 volt power loss All of the pumps will go down and will remain down until the fault is cleared. Contact an electrician if you cannot restart the pumps by : (a) placing all pump selector switches to off (b) resetting processor fault (c) selecting desired pump systems to auto VALVE FAILURE-This alarms indicates that: (a) The hydraulic valves on discharge line No. 2 have failed to fully open or fully close. (b) A check valve on one of the pumps has failed to close causing low manifold pressure. (c) The head pressure in discharge No. 1 is below the required because the check valve has failed to close. (d) The dishcarge line is not primed Robinson Lake Pump Station A system alarm is connected telemetrically to the mill control room should pump failure occur. Eagle Park Reservoir A beacon alarm is situated atop the dam to alert personnel in the case of a pump failure, or high levelin the Seepage Collection and ponds. A backup alarm is situated at the station as well as a back-up generator in case of power failure. Pump Station The generator will only run the lower seep pump which returns seep water from the lower seepage return pond to the upper seepage return pond.