1. Drain Hydro-Pneumatic (HP) tank to prepare for pipe and valve replacement. 2. Remove existing galvanized pipes and fittings. Replace with new PVC-SCH80 pipes and fittings. 3. Remove existing gate valves and replace with new brass ball valves. 4. Remove existing check valves, stainers, pressure gauges and sample taps and replace with new check valves, stainers, pressure gauges and sample taps with equal capacity items. 5. Replace the water meter with a new similar meter. 6. Install new master shutoff value on the output of the well system to provide an accessible and convenient way to shut off water supply to the park. 7. Drain outdoor auxiliary water storage tank for installation of isolation valve. 8. Install valve to isolate the outdoor auxiliary water storage tank from the well house 9. Refill HP Tank and outdoor auxiliary water storage tank with potable water. 10. Take water samples with park staff present and submit them to a State approved laboratory for approval. Test results to be submitted to the park for approval.