Paschimanchal Vidyut Vitran Nigam Limited has published Repair Of Damaged/Burnt Power Transformer Of Assorted Ratings 5 Mva And 8 Mva 37 . 5/11 Kv Or 33/11 Kv. Submission Date for this Tender is 07-12-2019. Transformer Repair Tenders in Urja Bhavan Victoria Park PVVNL Meerut Uttar Pradesh. Bidders can get complete Tender details and download the document.
| Name of Work: repair of damaged/burnt power transformer of assorted ratings 45 nos. 5 MVA & 14 nos. 8 MVA 37.5/11 KV or 33/11 KV | |||||
|---|---|---|---|---|---|
| Sl. No. | Item Description | Item Code / Make | Tendered Quantity | Unit | |
| 1 | 1 | Preliminary inspection of transformers at PVVNL site/workshop involving minor repairs at site/workshop | a | 1 | per T/F |
| 2 | 2 | Preliminary inspection of transformers at PVVNL site/workshop for estimation involving major repairs unloading of trnasformers, at contractors work & repair of transformer cover, draining of oil, if any, di-tanking core and coil assembly, and replacement of damaged parts, minor repair of core and tank (if required) cleaning washing of dust & dirt etc. from all parts including core tank & cooling tubes of radiators removal of damaged parts, requiring replacement, fitting, fixing of new parts, making connection & assembly, complete in all respect, re-tanking after repairs, filling fresh transformer oil, making transfomer ready for tests & testing for all tests as per clause 16.0 of Technical specification. | b | 1 | per T/F |
| 3 | 3 | HV leg coils complete with insulation, varnishing by vacuum impregnation (if required as per sample) and baking of coil assembly (variable base date 01.11.19) | c | 1 | per Kg |
| 4 | 4 | LV leg coils complete with insulation, vanishing by vacuum impregnation (if required as per sample) and baking of coil assembly (variable base date 01.11.19) | d | 1 | per Kg |
| 5 | 5 | HV bushing 33/37.5 KV | e | 1 | Each |
| 6 | 6 | LV Bushing 11 KV | f | 1 | Each |
| 7 | 7 | HV bushing metal parts | g | 1 | Each |
| 8 | 8 | LV bushing metal parts | h | 1 | Each |
| 9 | 9 | Set of gaskets (rubberized cork) | i | 1 | Each |
| 10 | 10 | Silicagel breather with fresh Silicagel | j | 1 | Each |
| 11 | 11 | Magnetic type oil level gauge with low level alarm contact | k | 1 | Each |
| 12 | 12 | Tapping switch 33/37.5 KV complete with handle | l | 1 | Each |
| 13 | 13 | Tapping switch handle | m | 1 | Each |
| 14 | 14 | Oil drain valve incorporating sampling device (with narrow orifice) & having suitable arrangement for locking | n | 1 | Each |
| 15 | 15 | Filter valve | o | 1 | Each |
| 16 | 16 | Dial type thermometer of minimum 150 mm dia with maximum temperature indicator complete with resetting device and alarm contacts | p | 1 | Each |
| 17 | 17 | Double float Bucholz relay complete with alarm and trip contacts | q | 1 | Each |
| 18 | 18 | Air release plug | r | 1 | Each |
| 19 | 19 | Replacement of damaged core | s | 1 | per kg |
| 20 | 20 | Pair of arcing horns | t | 1 | per pair |
| 21 | 21 | Radiator valve | u | 1 | per unit |
| 22 | 22 | Replacement of un repairable radiator of equivelent size with equal fins. | v | 1 | Per Sq. Mtr. |
| 23 | 23 | Overhauling of OLTC | w | 1 | LS |
| 24 | 24 | Replacement of OLTC contact | x | 1 | LS |
| 25 | 25 | Replacement of OLTC terminal barrier board | y | 1 | LS |
| 26 | 26 | Replacement of gaskets, lubrication of mechanical system | z | 1 | LS |
| 27 | 27 | M. S. Clamping ring | aa | 1 | per T/f |
| 28 | 28 | Winding temperature indicator (complete set) | ab | 1 | per T/f |
| 29 | 29 | Fresh transformer oil of standard quality as per IS:335/83 and latest amendment thereof.(variable base date 01.11.19) | ac | 1 | per Ltr. |
| 30 | 30 | Sundry item viz cover bolt, plug, caps, screw, washers, insulation material, minor repairs of tank, other parts required if any, Aluminium Name Plate etc. | ad | 1 | per T/f |
| 31 | 31 | Painting inside & outside of transformer including radiator tubes concervator with suitable primer and two coats of suitable paint of grey colour and marking etc. | ae | 1 | per T/f |
| 32 | 32 | Burnt/damaged leg coils to be retained by the contractor\n(variable base date 01.11.19) | af | 1 | per kg. |
| 33 | 33 | Damaged metal parts of bushing to be retained by contractor | ag | 1 | per kg. |
| 34 | 34 | Transportation/Carriage charges | ah | 1 | per nos. |
| 35 | 35 | Upto 10 kms. | ai | 1 | 1 nos |
| 36 | 36 | Above 10 kms. To 25 kms. | aj | 1 | 1 nos |
| 37 | 37 | Above 25 kms. To 50 kms. | ak | 1 | 1 nos |
| 38 | 38 | Above 50 km. To 100 kms. | al | 1 | 1 nos |
| 39 | 39 | Above 100 kms. To 150 kms. | am | 1 | 1 nos |
| 40 | 40 | Above 150 kms. To 200 kms. | an | 1 | 1 nos |
| 41 | 41 | Above 200 kms. But upto 300 kms. | ao | 1 | 1 nos |
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