Tender For Replacement Of Various Gaskets Of 100Mva Transformer Alongwith Other Associated Works At 220Kv Substation Amariya Under Electricity Transmission Division-Ii, Bareilly, bareilly-Uttar Pradesh

Replacement Of Various Gaskets Of 100Mva Transformer Alongwith Other Associated Works At 220Kv Substation Amariya Under Electricity Transmission Division-Ii, Bareilly- 1 Replacement Of Gaskets Of 100 Mva Transformer ( Cgl Make ) Alongwith Other Associated Works At 220 Kv Sub Station Amariya, Pilibhit Under E.T.D. - Ii, Bareillywith All Cost Of Men, Misc. Consumables, Normal & Special T&Psetc Required To Be Arranged By Agency For Satisfactory Completion Of The Work, With All Due Care Of Safety & Precautions As Per Technical Specifications And Direction Of The Supervising Engineer, As Per Details Below : 2 Carriage Of 20Kl Oil Storage Tank From Designated Primary 400Kv / 220Kv / 132Kv Sub Station In Bareilly ( Within Approx. 50 Km Distance ) Including Shifting & Loading Of Oil Storage Tank At Designated Primary Sub Station And Unloading & Shifting Of Same In Switchyard At 220Kv Sub Station Amariya, Pilibhit. 3 Partially Dismantling & Safe Stacking Of Mulsifire Air Pipe Line, Water Pipe Line And Proper Stacking. 4 Removal Of Jumpers Of Hv / Lv / Iv Side Of The Transformer. The Scope Of Work Involves Opening Of Bolts & Nuts And Removal Of Jumpers, Bushing Clamps Etc. 5 Complete Drain Out Of The Transformer Oil From 100 Mva T / F-I Tank Into Empty Oil Storage Tanks / Oil Drums And Stacking Them At Proper Place. 6 Dismantling Of 100Mva Transformer Hv / Lv / Iv / Neutral Bushing And Its Turret Opening Of All The Pipe Line, Inlet / Outlet Valve, Inspection Cover, Radiator Header, Gear Box, Buchholz Relay, Prv, Oil Pump, Nrv For Replacement Of Gasket. 7 Providing And Making Of Top Cover Gasket Of T / F, Opening Of Nut & Bolt, And Removal Of Damage Gasket Cleaning Of Top Surface & Making New Gasket Fixing In Proper Gasket. 8 Replacement Of Old Gasket From Different Parts Of The T / F As Per Details Below. The Scope Of Work Involves Removal Of Gaskets. Cleaning Of Surface, Fabrication Of Gaskets Of Appropriate Size Of Thickness 12 / 10 / 8 / 6 Mm Of Konica / Nu-Cork Make And Fixing Of Gaskets At Proper Place With Adhesive Along With Other Associated Works. Gaskets Are Of Type C, Very Good Oil Resistant And As Per Is 4253 And Contractor Must Have To Submit Test Report Of Gaskets Before Replacement. 9 Providing And Making Of 220Kv Turret Gaskets 10 Providing And Making Of 220Kv Bushing Gaskets 11 Providing And Making Of 132Kv Turret Gaskets 12 Providing And Making Of 132Kv Bushing Gaskets 13 Providing And Making Of Radiator Gaskets 14 Providing And Making Of Radiator Valve Gaskets 15 Providing And Making Of Gaskets Of Inspection Cover 16 Providing And Making Of Gaskets Of 8’’ Butter Fly Valve 17 Providing And Making Of Gaskets Of Radiator Pipe Line 4 / 2.5 / 1’’ Dia 18 Providing And Making Of C.T. Inspection Cover Hv 19 Providing And Making Of C.T. Inspection Cover Lv 20 Providing And Making Of C.T. Inspection Cover Tertiary 21 Providing And Making Of C.T. Inspection Cover Neutral 22 Providing And Making Of 1’’ Dia Pipe Line Gaskets 23 Providing And Making Of Surge Relay Gasket 24 Providing And Making Of Gasket Buchholz Relay 25 Providing And Making Of Oltc Plate 26 Providing And Making Of 1’’ Dia Valve Gaskets 27 Providing And Making Of 2’’ Dia Valve Gaskets 28 Providing And Making Of 33Kv Tertiary Bushing Gaskets 29 Providing And Making Of 33Kv Tertiary Bushing Top Seal Gaskets 30 Providing And Making Of Neutral Bushing Gaskets 31 Providing And Making Of Neutral Bushing Top Seal Gaskets 32 Providing And Making Of Flow Indicator Gaskets 33 Providing And Making Of Gaskets Of Oil Pump 34 Providing And Making Of 3’’ Dia Valve. 35 Providing And Making Of Gaskets Wti / Oti Pocket 36 Providing And Making Of Gaskets Of Header 37 Providing And Making Of Gaskets Of Conservator Tank 38 Providing And Making Of Gaskets Of Oltc Tank 39 Providing And Making Of Nylon Washer Of Radiator, Bushings, Air Releasing / Plugs 40 Providing And Making Of Gaskets Of Mog. 41 Providing And Making Of Gaskets Of Pnrv. 42 Replacement Of Different Nut & Bolt Of Main Tank Oil Pipe Line. 43 Overhauling Of Diverter Switch From Chamber Cleaning By Hot Oil, Removing The Dirty Oil And Proper Cleaning And Fixing In Original Shape. 44 Performing The Vacuum Standard Test. The Scope Of Work Involves Creating The Vacuum Inside The Transformer Upto 760 Mm Of Hg For Evacuation Of Moisture From Core And Winding And Maintaining The Pressure Atleast For 72 Hours 45 Erection Of Turret Hv / Lv / Iv Side And Erection Of Bushing, Radiator, Header, Oil Pipe Line 6’’ And 3’’ Gear Box, Oltc Pipe Line, Pump, Flow Meter, Inspection Cover Etc. For Complete Of Work. 46 Complete Evacuation Of 100Mva Transformer Main Tank And Filling Of Dry Air Of Dew Point ( - ) 40 °C Or Better In Vacuum Up To Pressure Of 0.25Kg / Cm² And The Again Evacuating The Transformer Tank After Required Time Interval ( Approx. 12 / 24 Hrs. ) Using Centrifuging Machine. The Work Shell Including Connecting Pipe Of Machine As Required Measuring Due Point Values Of Dry Air After Every Cycle Till The Required Value Is Achieved. 47 Centrifuging Of T / F Oil In Oil Storage Tanks, Un-Interrupted Till The Desired Bdv & Ppm ( Less Than 5 Ppm ) Value Of The Oil Is Achieved And Then Filling & Topping Up Of The Centrifuging T / F Oil In Transformer As Per Standard Procedure To Maintain Required Oil Level In The Transformer Including Commissioning Of Air Cell If Required. Centrifuging & Circulation Of T / F Oil In Transformer, Un-Interrupted Till The Desired Bdv & Ppm Values Of The Oil & Ir Values Of Bushings Are Achieved Including Hourly Recording All The Parameters Such As Temp, Vacuum, Insulation Resistance Etc. Centrifuging Machine, Its Operator And All Associated T&Ps Shall Be Arranged By The Contractor At His Own Cost. 48 Filling Of Transformer Oil Into Main Tank And Radiators From Oil Tanks Under Vacuum After Performing The Vacuum After Performing The Vacuum Stand Test Successfully. 49 Jumpering Of Hv / Iv / Lv Side Bushings Of The Transformer. The Scope Of Work Involves Tightening Of Bushing Clamps With Appropriate Sizes Bolts & Nuts Including Replacement Of Clamps, Jumpers Etc. As Required. 50 Refitting Of Partly Dismantled Mulsifire System Installed On The Transformer. The Scope Of Work Involves Shifting Of Dismantled Parts Of The Mulsifire System Such As Pipe Lines, Valves, Accessories Etc. To Site And Connecting Them Properly With Successful Operation Of The Mulsifire System. 51 Carriage Of 20Kl Oil Storage Tank From 220Kv Sub Station Amariya, Pilibhit To Designated Primary 400Kv / 220Kv / 132Kv Sub Station In Bareilly ( Within Approx. 50Km Distance ) Including Shifting & Loading Of Oil Storage Tank At 220Kv Sub Station Amariya, Pilibhit And Unloading, Shifting & Placing Of Same In Switchyard / Storage Place At Designated Primary 400Kv / 220Kv / 132Kv Sub Station.

INR 1180 /-

INR 9000.0 /-

Refer document

Name of Work : Replacement of Gaskets of 100 MVA Transformer (CGL Make) alongwith other associated Works at 220 KV Sub Station Amariya,Pilibhit under E.T.D. - II, Bareilly against E-Tender No. 32/W/ETC(B)/ 2023-24

Sl. No.	Item Description
1	Replacement of Gaskets of 100 MVA Transformer (CGL Make) alongwith other associated Works at 220 KV Sub Station Amariya,Pilibhit under E.T.D. - II, Bareillywith all cost of men, misc. consumables, normal & special t&psetc required to be arranged by agency for satisfactory completion of the work, with all due care of safety & precautions as per technical specifications and direction of the supervising engineer, as per details below :
2	Carriage of 20KL Oil Storage Tank from Designated Primary 400KV / 220KV / 132KV Sub Station in Bareilly (within Approx. 50 Km distance) including Shifting & Loading of Oil Storage Tank at Designated Primary Sub Station and Unloading & Shifting of same in Switchyard at 220KV Sub Station Amariya, Pilibhit.
3	Partially dismantling & safe stacking of Mulsifire air Pipe Line, water pipe line and proper stacking.
4	Removal of Jumpers of HV / LV / IV side of the Transformer. The Scope of Work involves Opening of Bolts & Nuts and Removal of Jumpers, Bushing Clamps etc.
5	Complete Drain out of the Transformer Oil from 100 MVA T/F-I tank into Empty Oil Storage Tanks / Oil Drums and Stacking them at Proper Place.
6	Dismantling of 100MVA Transformer HV/LV/IV/Neutral Bushing and its turret opening of all the pipe line, inlet/outlet valve, inspection cover, radiator header, gear box, buchholz relay, PRV, oil pump, NRV for replacement of Gasket.
7	Providing and making of Top Cover Gasket of T/F, Opening of Nut & Bolt, and removal of damage Gasket cleaning of top surface & making new Gasket fixing in proper Gasket.
8	Replacement of Old Gasket from different parts of the T/F as per details below. The scope of work involves removal of Gaskets. Cleaning of surface, Fabrication of Gaskets of appropriate size of thickness 12/10/8/6 mm of Konica/ Nu-Cork make and fixing of Gaskets at proper place with adhesive along with other associated works. Gaskets are of Type C, Very Good Oil Resistant and as per IS 4253 and Contractor must have to submit Test Report of Gaskets before replacement.
9	Providing and making of 220KV Turret Gaskets
10	Providing and making of 220KV Bushing Gaskets
11	Providing and making of 132KV Turret Gaskets
12	Providing and making of 132KV Bushing Gaskets
13	Providing and making of Radiator Gaskets
14	Providing and making of Radiator Valve Gaskets
15	Providing and making of Gaskets of inspection cover
16	Providing and making of Gaskets of 8’’ butter fly valve
17	Providing and making of Gaskets of Radiator pipe line 4/2.5/1’’ Dia
18	Providing and making of C.T. inspection cover HV
19	Providing and making of C.T. inspection cover LV
20	Providing and making of C.T. inspection cover tertiary
21	Providing and making of C.T. inspection cover Neutral
22	Providing and making of 1’’ Dia pipe line Gaskets
23	Providing and making of Surge Relay Gasket
24	Providing and making of Gasket Buchholz Relay
25	Providing and making of OLTC Plate
26	Providing and making of 1’’ Dia Valve Gaskets
27	Providing and making of 2’’ Dia Valve Gaskets
28	Providing and making of 33KV Tertiary Bushing Gaskets
29	Providing and making of 33KV Tertiary Bushing top seal Gaskets
30	Providing and making of Neutral Bushing Gaskets
31	Providing and making of Neutral Bushing top seal Gaskets
32	Providing and making of Flow indicator Gaskets
33	Providing and making of Gaskets of oil pump
34	Providing and making of 3’’ Dia Valve.
35	Providing and making of Gaskets WTI/OTI Pocket
36	Providing and making of Gaskets of header
37	Providing and making of Gaskets of conservator tank
38	Providing and making of Gaskets of OLTC tank
39	Providing and making of nylon washer of radiator, Bushings, Air releasing/plugs
40	Providing and making of Gaskets of MOG.
41	Providing and making of Gaskets of PNRV.
42	Replacement of different nut & bolt of main tank oil Pipe line.
43	Overhauling of Diverter Switch from chamber cleaning by hot oil, removing the dirty oil and proper cleaning and fixing in original shape.
44	Performing the vacuum standard test. The scope of work involves creating the vacuum inside the transformer upto 760 mm of Hg for evacuation of moisture from core and winding and maintaining the pressure atleast for 72 hours
45	Erection of Turret HV/LV/IV side and erection of Bushing, Radiator, Header, Oil Pipe Line 6’’ and 3’’ Gear box, OLTC Pipe Line, Pump, Flow meter, Inspection Cover etc. for complete of work.
46	Complete Evacuation of 100MVA Transformer Main Tank and Filling of Dry Air of dew Point (-) 40 °C or Better in Vacuum up to Pressure of 0.25Kg / Cm² and the again Evacuating the Transformer Tank after Required Time Interval (approx. 12/24 Hrs.) using Centrifuging Machine. The Work shell including Connecting Pipe of Machine as Required Measuring Due Point Values of Dry Air after every Cycle till the Required Value is Achieved.
47	Centrifuging of T/F Oil in Oil Storage Tanks, un-interrupted till the desired BDV & PPM (Less than 5 PPM) Value of the oil is achieved and then Filling & Topping up of the Centrifuging T/F Oil in Transformer as per Standard Procedure to Maintain required Oil Level in the Transformer including Commissioning of Air Cell if required. Centrifuging & Circulation of T/F Oil in Transformer, un-interrupted till the desired BDV & PPM Values of the OIL & IR Values of Bushings are achieved including Hourly Recording all the Parameters such as Temp, Vacuum, Insulation Resistance etc. Centrifuging Machine, its Operator and all associated T&Ps shall be arranged by the Contractor at his own cost.
48	Filling of Transformer Oil into Main Tank and Radiators from Oil Tanks under Vacuum after performing the Vacuum after performing the Vacuum stand test successfully.
49	Jumpering of HV / IV / LV side Bushings of the Transformer. The Scope of Work involves Tightening of Bushing Clamps with Appropriate sizes Bolts & Nuts including Replacement of Clamps, Jumpers etc. as Required.
50	Refitting of Partly Dismantled Mulsifire System installed on the Transformer. The Scope of Work involves Shifting of Dismantled Parts of the Mulsifire System such as Pipe Lines, Valves, Accessories etc. to Site and Connecting them Properly with Successful Operation of the Mulsifire System.
51	Carriage of 20KL Oil Storage Tank from 220KV Sub Station Amariya, Pilibhit to Designated Primary 400KV / 220KV / 132KV Sub Station in Bareilly (within Approx. 50Km distance) including Shifting & Loading of Oil Storage Tank at 220KV Sub Station Amariya, Pilibhit and Unloading, Shifting & Placing of same in Switchyard / Storage Place at Designated Primary 400KV / 220KV / 132KV Sub Station.