Tender For Periodical maintenance including supply and fitting of spares parts as per schedule of items for existing transformers viz, 1600kVA, 33/11 kV, 3-Phase Power Transformer, 2000kVA, 3.3/33 kV, 3-Phase Generating Transformer and 63kVA, 3.3/0.433 kV, 3-Phase Station Auxiliary Transformer with supply & fittings of spare parts, Heat Treatment, necessary testing and allied works at Fazi Hydel Power Station under Mini Micro Hydel Division, WBSEDCL, Kurseong. Sl. No. Item Description 1 Charges for making arrangement structure at site for dismantling of 2000 KVA, 1600 KVA & 63 KVA transformer outer assembly like vent pipe, conservator tank, HV/LV Bushing & stud for lifting inner assembly, separated top cover from core & winding for repairing of top cover in proper manner. 2 Charges for drain out total volume of old oil from Transformer and contain the same in empty barrels, properly cleaning the core & winding inside the tank by jet spraying of old & new oil after cleaning if it observe the IR value of the winding is very low which may not increase, only filtration require of treatment of heat, remove of decomposed gaskets from tank and outer assembly, cutting gaskets and re-fixing the same assembly, fill up tank up to the level by filtrated oil and new short fall oil. 3 Charges for hot filtration and Vacuum dehydration of Transformer oil to improve BDV of oil by system line type filtration machine. 4 Charges for painting application of Anti corrosive Red-Oxide Zinchromite metal primer (Good quality primer as per IS:2024 outside the main tanks, outer assemble, conservator tanks after proper scraping and cleaning and spray painting with application of double coated Synthetic Enamel finishing DA Grey painting. 5 Charges for BDV & ACIDITY testing and assist to MMHD departmental testing team for Transformers final testing. 6 To & Fro transportation charges for man power, machine, tools & tackles from agency premises to Fazi Hydel Power Station along with shifting of new transformer oil from MMHD,WBSEDCL, Kurseongstore toFazi Hydel Power Station. 7 Charges for Neoprene Rubberised different size Gaskets like 10mm, 8mm, 6mm 3mm, thickness Prefix sheet, different size Oil seals for Top Lid Inspection cover Radiator, Bushing. 8 Charges for painting materials like Synthetic Enamel Paint, Red-Oxide Zinchromate Primer, Synthetic Thinner, EMERY paper, Turpin Oil, Cotton Jut and associated sundry materials. 9 Supply and fittings of fast filling Silicagel - 12kg with Transparent Breather for 2000KVA, 1600KVA, 63KVA transformers. 10 Supply & fitting of 33 KV 250 Amps Porycyline Bushing – 3 Nos., ½” x 12” Brass Stud complete set-12Kg. 11 Supply & fitting of ¾ MS Drain/Filter Valve -09nos, ½” X 1.5“ GI Nut –bolt with Double washer – 24 kg, 8 mm & 10 mm Welding Electrode Rod. 12 Supply and fittings of 01no. OTI (Stem Type) & WTI (Hybrid Type).
