Tamil Nadu Transmission Corporation Limited-TANTRANSCO has published Dismantling .Loading,Transporting And Unloading ,Erection Of Power / Auto Power Transformers ,Earthing ,Oil Draining,Oil Circulation ,Hot Air Blower,Wiring, Painting ,Leading From Plinth To Safe Custody Of Power Transformer Of 5 To 100 Kva Capcities In Va. Submission Date for this Tender is 21-03-2020. Electrification Work Tenders in coimbatore Tamil Nadu. Bidders can get complete Tender details and download the document.
| Name of the work : Dismantling .loading,Transporting and unloading ,erection of Power / Auto power transformers ,earthing ,oil draining,oil circulation ,hot air blower,wiring, painting ,leading from plinth to safe custody of power transformer of 5 to 100 KVA capcities in various Sub-Station in the jurisdiction of EE/P&E/Coimbatore (running contract) | |||||
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| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | Dismantling of header pipes, radiators, HV, LV bushing,Conservator tank, buchholz relays,equalising pipes and other allied acessories and draining the oil to the required level for loading transporting of 25MVA Power transformer at various substations. (40% extra for hill area) | Item Code / 1 | 4 | No |
| 2 | 2 | Dismantling of header pipes, radiators, HV, LV bushing,Conservator tank, buchholz relays,equalising pipes and other allied acessories and draining the oil to the required level for loading transporting of 50 to 80 MVA Power transformer at various substations. (40% extra for hill area) | Item Code / 2 | 1 | No |
| 3 | 3 | Dismantling of header pipes, radiators, HV, LV bushing,Conservator tank, buchholz relays,equalising pipes and other allied acessories and draining the oil to the required level for loading transporting of 100 MVA Power transformer at various substations. (40% extra for hill area) | Item Code / 3 | 1 | No |
| 4 | 4 | Loading of all Power/Auto Transformer main tank with oil and other accessories into truck from plinth including pulling to a distance of 5 mtrs and the charges of all T&P's (Various sub stations) as decided by field engineer.(40% extra for hill area) | Item Code / 4 | 200 | MT |
| 5 | 5 | Transporting of Power /Auto transformer main tank with all accessories from one substation to another sub-station by low bed truck ,including insurance with reasonable ID as decided by field engineer. (including Insurance cost of 0.4 % of SH value ) (40% extra for hill area) (Up to 51 to 100 Tons.) First 100 KM including | Item Code / 5 | 1 | No |
| 6 | 6 | Transporting of Power /Auto transformer main tank with all accessories from one substation to another sub-station by low bed truck .(upto 51 to 100Tons.) Beyond 100 KM up to destination insurance with reasonable ID (including insurance cost of 0.40% of SH value) as decided by field engineer.(40% extra for hill area) | Item Code / 6 | 2000 | KM/MT |
| 7 | 7 | Transporting of Power /Auto transformer main tank with all accessories from one substation to another sub-station by low bed truck .(101 to 200 Tons.) First 100 KM including insurance with reasonable ID (including insurance cost of 0.40% of SH value) as decided by field engineer.(40% extra for hill area) | Item Code / 7 | 1 | No |
| 8 | 8 | Transporting of Power /Auto transformer main tank with all accessories from one substation to another sub-station by low bed truck .(101 to 200 Tons.) Beyond 100 KM including insurance with reasonable ID (including insurance cost of 0.40% of SH value) as decided by field engineer.(40% extra for hill area) | Item Code / 8 | 2000 | KM/MT |
| 9 | 9 | Unloading of all Power /AutoTransformer main tank with oil and other accessories from truck covering the pulling for 5 mtrs and the charges of all T&P 40% extra for hill area) | Item Code / 9 | 200 | MT |
| 10 | 10 | Leading & Pulling of Power/Auto Transformer from the plinth to safer place within Sub-Station Premises.(upto 20MT)(40% extra for hill area) | Item Code / 10 | 9000 | MT/mtr |
| 11 | 11 | Labour charge for Erection of 25 MVA Power /Auto transformers by using Derrick for the following wherever applicable (40% extra for hill area) | Item Code / 11 | 4 | Nos |
| 12 | 12 | Labour charge for Erection of 50 to 80 MVA Power /Auto transformers by using Derrick for the following wherever applicable(40% extra for hill area) | Item Code / 12 | 1 | No |
| 13 | 13 | Labour charge for Erection of 100 MVA Power /Auto transformers by using Derrick for the following wherever applicable(40% extra for hill area) | Item Code / 13 | 1 | No |
| 14 | 14 | Neutral bushing earthing at 2 Points and Transformer body earthing at two points. The channel and the M.S Plates for this will be supplied by the Contractor . (upto 25 MVA)(40% extra for hill area) | Item Code / 14 | 3 | Nos |
| 15 | 15 | Neutral bushing earthing at 2 Points and Transformer body earthing at two points. The channel and the M.S Plates for this will be supplied by the Contractor. (50 MVA to 100 MVA)(40% extra for hill area) | Item Code / 15 | 2 | No |
| 16 | 16 | Labour charges for Main tank Transformer Oil and OLTC Transformer oil , Hot Oil Circulation vacuum drying whenever applicable necessary to the required level and circulation of Oil till satisfactory results are obtained before commissioning Up to 3000 litrs.(40% extra for hill area) | Item Code / 16 | 3000 | litrs |
| 17 | 17 | Labour charges for Main tank Transformer Oil and OLTC Transformer oil , Hot Oil Circulation vacuum drying whenever applicable necessary to the required level and circulation of Oil till satisfactory results are obtained before commissioning From 3001 to required quantity.(40% extra for hill area) | Item Code / 17 | 60000 | litrs |
| 18 | 18 | Filter machine rent | Item Code / 18 | 5 | Nos |
| 19 | 19 | Draining of oil from the Main tank and OLTC.(40% extra for hill area) | Item Code / 19 | 60000 | litrs |
| 20 | 20 | Filling of oil from Spare tank to main tank and OLTC (40% extra for hill area) | Item Code / 20 | 60000 | litrs |
| 21 | 21 | Filling of 100 MVA Auto Transformer conservator with Aircel , the work involves oil draining, of aircel required pressure using compressor with pressure gauge, oil filling in the conservator to the required level including Draining of oil from main tank and OLTC (40% extra for hill area) | Item Code / 21 | 75000 | litrs |
| 22 | 22 | Filling of 100 MVA Auto Transformer conservator with Aircel , the work involves oil draining, of aircel required pressure using compressor with pressure gauge, oil filling in the conservator to the required level including Filling of oil from spare tank to main tank and OLTC (40% extra for hill area) | Item Code / 22 | 75000 | litrs |
| 23 | 23 | Termination of all sizes of cable glands including cost of all materials, labour etc., for all Power /AutoTransformers(40% extra for hill area) | Item Code / 23 | 200 | Nos |
| 24 | 24 | Termination of cable for all sizes of copper lugs, ferrules etc., including cost of materials, labour etc., (40% extra for hill area) | Item Code / 24 | 2000 | Nos |
| 25 | 25 | Labour for laying of all sizes of cables. (40% extra for hill area) | Item Code / 25 | 5000 | mts |
| 26 | 26 | Labour charges for spray painting including “R”, “Y”, “B” Bushing painting of Power/Auto Transformer and accessories excluding cost of paint but including cost of waste, kerosene, soap etc., complete 10 to 25 MVA Power Transformer (40% extra for hill area) including all materials | Item Code / 26 | 2 | No |
| 27 | 27 | Labour charges for spray painting including “R”, “Y”, “B” Bushing painting of Power/Auto Transformer and accessories excluding cost of paint but including cost of waste, kerosene, soap etc., complete 50 to 100 MVA(40% extra for hill area including all materials. | Item Code / 27 | 1 | No |
| 28 | 28 | Labour charges for OLTC Overhauling Power/Auto Transformer including lifting of diverter cleaning replacing of defective spares excluding materials cost . (Note:-The above work can be carried out purely on the basis of specially trained technician service availed from the reputed companies when and where required. Hence ,the company will fix the rates for the service rendered at the time of seeking consedering the place and schedule. Add 40 % extra for Hill area.) | Item Code / 28 | 3 | Nos |
| 29 | 29 | Replacing of worn out gaskets by new gasket for all locations (ie,HV&LV bushings and Turrets, Bucholz pipeline, Top & side inspection covers, radiators, conservator tank, equalizing pipes, surge pipe lines etc.) in Power/Auto Transformers (except Power /Auto top cover core & winding mounted) complete,including hining charges of crane ect.(gasket and tufflon sheet to be provided by the contractor) U10 to 25 (Note:-The above rate for the replacement of worn out gaskets is notsuitable for coremounted transformers and are to be deceided by the field engineers as per the site requirement) Add 40 % extra for Hill area.) | Item Code / 29 | 3 | Nos. |
| 30 | 30 | Filling of N2 Gas for improving of IR Values of Power Transformer to attending the satisfactory value excluding filter machine 10 to 25 MVA Power Transformer (40% extra for hill area) | Item Code / 30 | 1 | No |
| 31 | 31 | Hot air blower for improving of IR Values of Power Transformer to attaining the satisfactory value Upto 10 to 25 MVA Power Transformer (40% extra for hill area) | Item Code / 31 | 2 | Nos. |
| 32 | 32 | SGST to be quoted in Percentage (value alone)Ex. 9%, it should be entered as 9 only | Item Code / 32 | 1 | Percentage |
| 33 | 33 | CGST to be quoted in Percentage (value alone)Ex. 9%, it should be entered as 9 only | Item Code / 33 | 1 | Percentage |
| 34 | 34 | Inter-state GST @18% for other than Tamil Nadu supplier. If the contractor is within Tamil Nadu may be quoted as "0" only | Item Code / 34 | 1 | Percentage |
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