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| 1 | Charges for Testing of transformer oil for its viscosity and dielectric strength including collection of sample from top and bottom of the existing transformer tank and submission of test report complete with all T & P , labour etc as required . |
| 2 | Charges for Collection , Filtration and dehydration of existing transformer oil with the help of high vaccum filtration machine and cleaning of core-coil assembly by hot oil for removal of sludge / dust particles etc. as required. |
| 3 | Supply and filling of fresh transformer oil as per IS: 335 in existing transformer along with submission of oil test report for its physical and chemical properties.The oil shall be clear and free from any suspended matter or sediments complete as required complete in all respect. . |
| 4 | Replacement of Silica gel Breather of Distribution Transformers of following capacities complete in all respect. . |
| 5 | 630 KVA |
| 6 | 800 KVA |
| 7 | S & F of 12V VRLA Lead Acid Sealed maintenance free (SMF) batteries of following capacity with Warranty of 2 years |
| 8 | 18 AH |
| 9 | Repairing of LT/HT bushings of Distribution Transformers including replacement of brass studs , porcelain insulators , nut bolts , oil seals , gaskets etc. complete as required complete in all respect. . |
| 10 | 630 KVA |
| 11 | 800 KVA |
| 12 | Providing & Fixing of Electrical insulating rubber matts confirming to IS: 15652 / 2006 with one side anti skid aberration marks and pasting the mat with synthetic rubber adhesive as required. |
| 13 | 3.3 KV, class A 2 mm thick with proof voltage 10 KV AC (rms) and Break Down Voltage 30 KV AC (rms) |
| 14 | SITC of Copper Bonded rod Earthing with high tensile strength (more than 600 N / sq.mm low carbon steel rod molecularly bonded with Copper thickness (250 microns) and confirming to UL 467 of following size and length and as per point mentioned (a), (b), [c), (d), (e) below :- |
| 15 | (a) Bore a hole of dia. 100 mm of required length, Place the rod in the centre of Hole |
| 16 | (b)Earth enhancing compound to ensure the moisture content and electrical conductivity, 25 kg for 3000 mm. The compound shall be tested form NABL accredited lab for low resistivity (less than 0.12 Ohm - meter) & high conductivity in nature with carbon as a major content in accordance with IEC 62561-7 |
| 17 | © Connect the rod with copper Strip/Conductor/Wire with suitable clamp made from tinned copper and SS 304 Bolt |
| 18 | (d) Place Heavy duty weather proof poly-propylene earth inspection chamber as per requirement of IS/IEC 62305 and tested as per IEC 62561-5 with lockable Jam free lid suitable for safe working load 60 kN of round / square size 250 mm, and Height 250 to 300 mm. |
| 19 | (e) Testing of earth resistance for value of 5 ohms or less as required. |
| 20 | (f) Test certificates for confirming above standards from OEM is mandatory. |
| 21 | 17.2 mm thick and 3 Mtr. Long Please Enable Macros to View BoQ information |
