INSIDE THE WATER PUMP STATION ARE 4 PUMPS. 2 OF THESE PUMPS ALTERNATE BACK AND FORTH TO MAINTAIN THE PRESSURE AT NORMAL FLOW. IF THE FLOW INCREASES THE BACK-UP PUMP TURNS ON TO MAINTAIN THE PRESSURE. IF THE BACK-UP PUMP CAN NOT SUPPLY ENOUGH FLOW , THE FIRE PUMP TURNS ON. THERE ARE 2 PARALLEL PIPES FEEDING THE ENTIRE ISLAND. 1-6" PIPE AND 1-8" PIPE. THEY ARE CONNECTED TOGETHER AT THE END OF EACH RUN TO CREATE A LOOP AND HELP MAINTAIN THE EXISTING PRESSURE. THE NEW LINE IS 1-12" PIPE.


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