Work Of Repair Of Damaged / Burnt Power Transformer Of Assorted Ratings 5 Mva, 8 Mva And 10 Mva 37.5 / 11 Kv Or 33 / 11 Kv 37.5 / 11 Kv Or 33 / 11 Kv Work Of Repair Of Damaged / Burnt Power Transformer Of Assorted Ratings 5 Mva, 8 Mva And , meerut-Uttar Pradesh

Work Of Repair Of Damaged / Burnt Power Transformer Of Assorted Ratings 5 Mva, 8 Mva And 10 Mva 37.5 / 11 Kv Or 33 / 11 Kv 37.5 / 11 Kv Or 33 / 11 Kv Work Of Repair Of Damaged / Burnt Power Transformer Of Assorted Ratings 5 Mva, 8 Mva And 10 Mva 37.5 / 11 Kv Or 33 / 11 Kv 37.5 / 11 Kv Or 33 / 11 Kv , Preliminary Inspection Of Transformers At Pvvnl Site / Workshop Involving Minor Repairs At Site / Workshop , 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. , Hv Leg Coils Complete With Insulation, Varnishing By Vacuum Impregnation ( If Required As Per Sample ) And Baking Of Coil Assembly ( Variable Base Date 01.07.22 ) , Lv Leg Coils Complete With Insulation, Vanishing By Vacuum Impregnation ( If Required As Per Sample ) And Baking Of Coil Assembly ( Variable Base Date 01.07.22 ) , Hv Bushing 33 / 37.5 Kv , Lv Bushing 11 Kv , Hv Bushing Metal Parts , Lv Bushing Metal Parts , Set Of Gaskets ( Rubberized Cork ) , Silicagel Breather With Fresh Silicagel , Magnetic Type Oil Level Gauge With Low Level Alarm Contact , Tapping Switch 33 / 37.5 Kv Complete With Handle , Tapping Switch Handle , Oil Drainvalve Incorporating Sampling Device ( With Narrow Orifice ) & Having Suitable Arrangement For Locking , Filter Valve , Dial Type Thermometer Of Minimum 150 Mm Dia With Maximum Temperature Indicator Complete With Resetting Device And Alarm Contacts , Double Float Bucholz Relay Complete With Alarm And Trip Contacts , Air Release Plug , Replacement Of Damaged Core , Pair Of Arcing Horns , Radiator Valve , Replacement Of Un Repairable Radiator Of Equivelent Size With Equal Fins. , Overhauling Of Oltc , Replacement Of Oltc Contact , Replacement Of Oltc Terminal Barrier Board , Replacement Of Gaskets, Lubrication Of Mechanical System , M. S. Clamping Ring , Winding Temperature Indicator ( Complete Set ) , Fresh Transformer Oil Of Standard Quality As Per Is:335 / 83 And Latest Amendment Thereof. ( Variable Base Date 01.07.22 ) , Sundry Item Viz Cover Bolt, Plug, Caps, Screw, Washers, Insulation Material, Minor Repairs Of Tank, Other Parts Required If Any, Aluminium Name Plate Etc. , Painting Inside & Outside Of Transformer Including Radiator Tubes Concervatorwith Suitable Primer And Two Coats Of Suitable Paint Of Grey Colour And Marking Etc. , Burnt / Damaged Leg Coils To Be Retained By The Contractor ( Variable Base Date 01.07.22 ) , Damaged Metal Parts Of Bushing To Be Retained By Contractor , Transportation / Carriage Charges , Upto 10 Kms. , Above 10 Kms. To 25 Kms. , Above 25 Kms. To 50 Kms. , Above 50 Km. To 100 Kms. , Above 100 Kms. To 150 Kms. , Above 150 Kms. To 200 Kms. , Above 200 Kms. But Upto 300 Kms.

INR 11800 /-

INR 2124000.0 /-

INR 18 Crore /-

Name of Work: repair of damaged/burnt power transformer of assorted ratings 50 nos. 5 MVA , 8 nos. 8 MVA and 65 no. 10 MVA 37.5/11 KV or 33/11 KV

Sl. No.	Item Description
1	Preliminary inspection of transformers at PVVNL site/workshop involving minor repairs at site/workshop
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.
3	HV leg coils complete with insulation, varnishing by vacuum impregnation (if required as per sample) and baking of coil assembly (variable base date 01.07.22)
4	LV leg coils complete with insulation, vanishing by vacuum impregnation (if required as per sample) and baking of coil assembly (variable base date 01.07.22)
5	HV bushing 33/37.5 KV
6	LV Bushing 11 KV
7	HV bushing metal parts
8	LV bushing metal parts
9	Set of gaskets (rubberized cork)
10	Silicagel breather with fresh Silicagel
11	Magnetic type oil level gauge with low level alarm contact
12	Tapping switch 33/37.5 KV complete with handle
13	Tapping switch handle
14	Oil drainvalve incorporating sampling device (with narrow orifice) & having suitable arrangement for locking
15	Filter valve
16	Dial type thermometer of minimum 150 mm dia with maximum temperature indicator complete with resetting device and alarm contacts
17	Double float Bucholz relay complete with alarm and trip contacts
18	Air release plug
19	Replacement of damaged core
20	Pair of arcing horns
21	Radiator valve
22	Replacement of un repairable radiator of equivelent size with equal fins.
23	Overhauling of OLTC
24	Replacement of OLTC contact
25	Replacement of OLTC terminal barrier board
26	Replacement of gaskets, lubrication of mechanical system
27	M. S. Clamping ring
28	Winding temperature indicator (complete set)
29	Fresh transformer oil of standard quality as per IS:335/83 and latest amendment thereof.(variable base date 01.07.22)
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.
31	Painting inside & outside of transformer including radiator tubes concervatorwith suitable primer and two coats of suitable paint of grey colour and marking etc.
32	Burnt/damaged leg coils to be retained by the contractor (variable base date 01.07.22)
33	Damaged metal parts of bushing to be retained by contractor
34	Transportation/Carriage charges
35	Upto 10 kms.
36	Above 10 kms. To 25 kms.
37	Above 25 kms. To 50 kms.
38	Above 50 km. To 100 kms.
39	Above 100 kms. To 150 kms.
40	Above 150 kms. To 200 kms.
41	Above 200 kms. But upto 300 kms.