Damodar Valley Corporation

Damodar Valley Corporation has published Procurement Of 03 Nos. Of 31.5 Mva, 132/34.5Kv Power Transformers , Main Items: , 31.5 Mva, 132Kv / 34.5Kv, 50Hz, Ynd1, Star (Earthed Neutral) / Delta, Core Type, 3 Phase, Outdoor Type, Oil Immersed, Onan/ Onaf Cooled Switchyard Transformer Complete With Main Tank, Tank Mounted Cooler Bank, On Load Tap Changer (Hv Side) Suitable For Voltage Variation Of +/- 10% Variation, Cc Cubicle, Digital Rtcc Panel Along With All Fittings & Accessories As Per Requirement Of Technical Specification (Except Transformer Oil, N2 Fpes) , Transformer Oil For First Filling Plus 10% Extra Quantity. , Complete Set Of Equipment For Fire Prevention & Extinguishing System By Nitrogen (N2) Injection Method As Per Technical Specification Including Supply Of All Control Units & Accessories, Pipe, Connectors, Required Control Cables, Ac / Dc Converters Etc. All Complete Along With Supply Of Spare N2 Cylinder For Above Transformer. , Condition Controlled Regenerative Maintenance Free Silica Gel Breather For Main Conservator Complete With All Accessories , Condition Controlled Regenerative Maintenance Free Silica Gel Breather For Oltc Conservator Complete With All Accessories , Type Test Charges As Per Spec.: , Temperature Rise Test On One Unit , Impulse Test On One Unit , Mandatory Spares (For Above Transformer): , Hv Bushing As Per Spec. With Metal Parts & Gaskets , Lv Bushing As Per Spec. With Metal Parts & Gaskets , Hv Neutral Bushing As Per Spec. With Metal Part & Gaskets , Buchholz Relay (With Alarm & Trip Contacts) For Main Tank , Oil Surge Relay (With Alarm / Trip Contacts) For Oltc , Magnetic Oil Level Gauge (With Alarm / Trip Contact) For Main Conservator , Magnetic Oil Level Gauge (With Alarm / Trip Contact) For Oltc Conservator. , Current Transformer Of Hv Wti. , Current Transformer Of Lv Wti. , Current Transformer Of Hv-N , Local Oti Complete With Alarm, Trip Contacts & Sensing Device, Etc. , Local Wti Complete With Alarm, Trip Contacts & Sensing Device, Etc. , Remote Oti Complete With Alarm, Trip Contact & Sensing Device Etc. , Remote Wti Complete With Alarm, Trip Contact & Sensing Device Etc. , Pressure Relief Device , Remote Tap Position Indicator , Cooling Fan With Motor , Terminal Connectors (1No.T For Each Type Of Rating) , Set Of Gaskets Required For Complete Erection Of One Transformer Including Bushings, Radiators, Cooling Pipes Etc. , Transformer Oil Sample Collection Bottle (Steel Bottle Fitted With Inlet & Outlet Valves, Etc.) - 1000 Ml Capacity , Hydraulic Jacks Suitable For Above Transformer (1 Set Consisting Of 4 Nos.) , Unloading Charge Per Unit At Site (1 Unit Means Complete Set Of Transformer With All Accessories, Spares, Tools & Tackles Etc.) , Supervision Charges For Deputation Of Engineer / Technician To Supervise Erection & Commissioning Work. (Optional) – [N.B. General Terms & Conditions For Supervision Of Erection & Commissioning Job Shall Be Furnished] Engineer / Technician Per Day. Last date of submission for this tender is 2025-06-27. This is a Power Transformer tender in Kolkata, West Bengal