Technical inspection and testing services

Tender description

An AES Corporation subsidiary in Europe, AES Kilroot Power Station is seeking a contractor to provide the serivces to cover air heater overhauls, dampers inspection, FD and ID fan inspection, boiler ductwork inspection for U2 and U1. 1) Air Heater mechanical Strip and Mechanical Rebuild (needed for Air Heater Elements Wash, which will be performed by others); 2) Air Heater Overhaul of the A-side and the B-side Air Heaters. It includes the following: — inspection of all heating elements and supports, — inspection of all circumferential and radial plate seals on both the hot and cold end of the stator, — inspection of stator plate seals repairs, — visual inspection of the air hoods, — cleaning of the top and bottom collar seals and top/bottom expansion joints, — check of the operation of all spring pin assemblies, — visual inspection of top and bottom wear shoes, — overhaul of the bottom soot blower system, — visual inspection of the pin rack assembly, — inspection of firefighting pipework, all structural stiffeners, main shaft. 1) Actuator Disconnection from each damper; 2) Inspection of the mechanical condition of the damper; 3) Damper repair (depending on the outcome of the damper inspection); 4) Actuator Reconnection. 1) Fan Runner Repairs (extent of repairs will be based on the NDT report – provided by others); 2) Detailed inspection of the mechanical condition of the fan. It includes the following: — coupling inspection on the fans, — radial vane inspection on the fans, — bearing inspections. 1) Disassemble any necessary plant items to provide access to the ductwork and open all doors to the ductwork for cleaning (by others) and inspection; 2) External and internal inspection of all boiler ductwork; 3) After the Contractor has confirmed the ductwork as free from all tools, equipment and personnel, the Contractor will close all ductwork doors, reassembling any necessary plant items.