REMOVE AND INSPECT EXISTING MOTOR AND PUMP ASSEMBLY a) Remove the existing motor and pull the pump assembly (intake strainer, impellers, pump column/shaft, etc.) from the well. b) Remove all airline, pressure transducer, and water level access piping from the well. c) Disassemble and inspect all components for damage or excessive wear and note any deficiencies. d) All materials removed shall be stored neatly on-site and protected from damage/weather. e) The Contractor shall not remove any well components from the well site without prior approval from ONWASA. CLEAN AND INSPECT WELL a) The Contractor shall sound well to verify depth. b) Using video equipment made for this purpose, visually inspect and record the condition of the well casing and screens before cleaning and sediment removal c) Mechanically clean the well casing and screens using nylon brushes, brushing for 10 to 15 minutes per section of screen. Care should be taken to avoid excessive force in cleaning and potential damage to the well screens. d) Airlift/bail debris from the well, including removal of accumulated sand/sediment to the overall well depth (estimated 635 feet).
