Tamil Nadu Generation And Distribution Corporation Limited-TANGEDCO has published Tender For Annual Overhauling Of Heat Recovery Steam Generator Hp, Ip Lp Water Steam System Valves Of Various Sizes Safety Valves, Stg And Hrsg Flash Tank, Ibd And Cbd Tanks, Gland Steam Condenser, De-Aerator And Feed Water Storage Tank Overhauling Etc. Submission Date for this Tender is 04-01-2023. Steam Generators Tenders in Ramanathapuram Tamil Nadu. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Material |
| 2 | Overhauling of HP, IP & LP drum in HRSG Charges for overhauling of one number drum. Charges for removal of manhole door insulation, opening of manholes, inspection of the internal parts for corrosion and erosion, cleaning of drum internals (As Per Schedule A) |
| 3 | Overhauling of Flash tanks (STG and HRSG), IBD & CBD tanks Charges for overhauling of one number tank. Charges for removal of manhole door insulation, opening of manholes, inspection of the internal parts for corrosion and erosion, cleaning and replacement (As Per Schedule A) |
| 4 | Inspection of Heat Recovery Steam Generator (HRSG) internals. Inspection of Heat Recovery Steam Generator (HRSG) internals such as Economiser, Evaporator and Super heater areas etc.,(As Per Schedule A) |
| 5 | Overhauling of 50mm to 75mm size pneumatic control valves Labour charges for disassembling the valves and actuators completely including removal of insulation, overhauling of valves including inspection,(As Per Schedule A) |
| 6 | Overhauling of 200 to 250mm size Mov/Hand operated valves/NRV Charges for disassembling actuator if any, removal of insulation, disassembling valve completely, overhauling of valves including inspection (As Per Schedule A) |
| 7 | Overhauling of 125 to 150 mm size Mov/Hand operated valves/NRV Charges for disassembling actuator if any, removal of insulation, disassembling valve completely (As Per Schedule A) |
| 8 | Overhauling of80 to 100mm size MOV/Hand operated High Pressure valves & NRV. Charges for disassembling actuator if any, removal of insulation, disassembling valve completely (As Per Schedule A) |
| 9 | Overhauling of40mm to 50mm size MOV/Hand operated valves and NRV’s : Charges for disassembling actuator if any, removal of insulation, disassembling valve completely (As Per Schedule A) |
| 10 | Overhauling of 10mm to 25mm size MOV/Hand operated valves and NRV’s : Charges for disassembling actuator if any, removal of insulation, disassembling valve completely (As Per Schedule A) |
| 11 | Overhauling of safety valves Charges for disassembly of safety valve, noting original settings, inspection, cleaning of all parts (As Per Schedule A) |
| 12 | Assistance during floating and Setting of safety valves Charges for assistance during floating and setting of safety valves (As Per Schedule A) |
| 13 | Assistance to Hydraulic test: Labour charges for providing assistance during hydro test of the boiler – HP, IP & LP which includes gagging of safety valves (As Per Schedule A) |
| 14 | Charges for High Pressure Welding upto 150mm Charges for welding joints upto 150mm diameter steam / water lines using High Pressure Welder after testing the weld by using DPT kit (As Per Schedule A) |
| 15 | Charges for overhauling of Antrieb Actuators Charges fordisassembly of control units, drives and limit switches and drive bush, worm gear assembly, bearings and oil seal, inspection(As Per Schedule A) |
| 16 | Charges for overhauling of Auma/Rotork Actuators Charges fordisassembly of control units, drives and limit switches and drive bush, worm gear assembly (As Per Schedule A) |
| 17 | Overhauling of Gland Steam Condensor Charges for disassembly and lifting of side water boxs, lifting of shell and tube nest, cleaning of water boxs (As Per Schedule A) |
| 18 | Overhauling of De-aerator and Feed water storage tank: Charges for removal of manhole doors insulation, opening of all vents, manholes (As Per Schedule A) |
| 19 | Charges for one coat of ferrotal painting inside the De-aerator andFeed water Storage tank with suitable safety appliances including Paint cost (As Per Schedule A) |
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