Towers should be locked out, tagged out and drained before proceeding. Remove and dispose of old drift eliminators; remove and dispose of old fill media. Remove and dispose of all Collector grid and components. Remove and Inspect rotary nozzles replace as necessary. Remove all fan guard screens, and fan blades, remove all water collector dampers and collector Grid. Remove corner inspection port covers. Inspect dampers and advise NKU of condition. Cut in properly sized wash down drain ports (one each side basin diagonally placed, two each lateral basin allowing installation of Tower Tech INSPECTION PORT ASSEMBLY TRIMMED. All towers should have four (4) corner basin inspection ports cut out as needed for installation of Tower Tech INSPECTION PORT ASSEMBLY...