Repairing / Reconditioning Of 16 / 20Mva, 33 / 11Kv Power Transformer Repairing / Reconditioning Of 16 / 20Mva, 33 / 11Kv Power Transformer Manufactured And Supplied By Toshiba Transmission And Distribution System Ltd. Bearing Sr. No. 2001388 At 33Kv Pa, parel-Maharashtra

Repairing / Reconditioning Of 16 / 20Mva, 33 / 11Kv Power Transformer Repairing / Reconditioning Of 16 / 20Mva, 33 / 11Kv Power Transformer Manufactured And Supplied By Toshiba Transmission And Distribution System Ltd. Bearing Sr. No. 2001388 At 33Kv Parel Receiving Sub Station ( Rss ) , Labour & Material Charges ( Excluding Copper Material ) : , To & Fro Transportation Of Transformer With Accessories Including Insurance, Loading / Unloading Between Undertaking Site And Contractor’S Site , Removing Top Plate, Disconnecting Oltc Gear, Conservator And Buchholz Relay Etc And Taking Out, Putting Back Core Coil Assembly In Original Position For Inspection , Dismantling Of Hv Windings , Dismantling Of Lv Windings , Dismantling Of The Core Assembly , Cleaning And Painting Of Transformer Tank From Inside And Outside As Per Specification , Cleaning And Painting Of Conservator Tank From Inside And Outside As Per Specification , Replacement Of The Damaged / Defective Core Laminations , Reconditioning Of The Damaged / Defective Core Laminations , Replacement Of Core Bolts With Insulation , Replacement Of Only Insulation Of The Core Bolts , Reassembly Of The Core , Replacement Of Hv Winding By Using New Conductor And Insulation ( Labour Charges Only ) , Replacement Of Lv Winding By Using New Conductor And Insulation ( Labour Charges Only ) , Overhauling And Repairs Of On Load Tap Changer, Oltc Mechanism Overhauling. The Oltc Shall Be Made Mechanically And Electrically Through , Dehydration Of The Assembled Core And Windings In An Oven Under Vacuum , Assembly Of Accessories Such As Conservator Tank, Hv And Lv Bushings, Radiators, Associated Pipings Etc For Carrying Out Final Testing At The Works. , Cost Of New Transformer Oil To Be Replaced , Routine / Acceptance Tests As Per Is 2026-1977 And As Per Annexure-Vii , Heat Run Test , Replacement Of All Gaskets , Copper Material Charges ( Hv & Lv Winding With Leads ) : , Hv Winding , Lv Winding , Hv Leads , Lv Leads , Tap Winding Leads , Credit Part: , Credit For Copper Parts , Credit For Existing Transformer Oil, If It Is Replaced By New , Credit For Replaced M. S. Hardware , Credit For Replaced Brass Components / Accessories , Other Items Which May Required To Be Replaced: , Complete Oltc , Oil Level Gauge , Radiator Valves , Filter Valve 50Mm , Filter Valve 80Mm , Filter Valve 100Mm , Drain Valve 50Mm , Drain Valve 80Mm , Drain Valve 100Mm , Sampling Valves , Conservator Valves , Bi-Directional Flanged Rollers , Buchholz Relay For Main Tank , Winding Temperature Indicator , Oil Temperature Indicator , Osr For Oltc , Magnetic Oil Level Gauge , Breather For Main Tank , Breather For Oltc Tank , Radiators- Repairing / Testing , Pressure Relief Valve , Marshalling Box - Fabrication, Wiring & Electrical Components , Any Other Item Such As Oltc Parts Etc. Which Are Not Mentioned Above: , Head Cover O Ring , Air Release Washer , Lock Sheet For Dfca , Arc Chute , M Dfca Shell Fixing Material , Arching Chutes ( 12 Nos. ) , Flexible Braid W Fixing Material ( 500A ) , M Counter Piece Assly. ( 12 Nos. ) , Diverter Fixed Contact With Fixing Materials , Diverter Moving Contact With Fixing Materials , O Ring-480 X 492 X 6-Viton Head Cover , O Ring-448 X 460 X 6-Viton For Top & Bt. Fla , Gasket For Cap Nut For Nipple & Tcha , Gasket For Cap Air Rel.Screw Nipple , O Ring - 15.3 X 2.4 - Viton , O Ring-20X 2.5 - Viton - Din 3771 , O Ring - 62.2 X 5.7 - Viton , O Ring 16.5 Mm , Dova Contact O Rings , Transition Resistance Unit Assembly For 3 Phase , Coupling Shaft Assembly , View Glass With Fixing Materials , Nylon Gear Assembly , Diverter Switch Centre Shaft With Cam , Dova Contacts With Fixing Materials , Snap Action Switch , B9 Switch , B8 Switch , Ma2 Tpi Assembly , Motor For Ma2 Drive Mechanism , Door Gasket , Local Remote Switch , Limit Switch Raise , Limit Switch Lower , Terminal Block 6 Sqmm , Mechnical Counter , M.S.Handle ( For Manual Operation ) , H.V. Bushing , L.V. Bushing , Frls Control Cable 2.5 Sqmm, 2C , Frls Control Cable 2.5 Sqmm, 4C , M.S. Fasteners / Hardware , Installation, Commissioning / Retrofitment Charges: , Installation, Re-Termination, Commissioning & Testing Of Transformer At 33Kv, Parel Rss , Nitrogen Injection Fire Protection System: , Supply Of Nifp System , Retrofitting, Installation, Commissioning & On-Site Testing Of Nifp System

Sr No	CorrigendumDate	Corrignedum	CorrigendumType	NewSubmissionDate
1	31-May-2022	Postponement of Tender	Date	13-06-2022
2	14-Jun-2022	Tender Postponement	Date	20-06-2022
3	21-Jun-2022	Regarding postponement of tender	Date	27-06-2022

INR 12000 /-

INR 500000.0 /-

Refer document

Name of Work: Repairing/Reconditioning of 16/20 MVA, 33/11kV, Power Transformer at 33kV, Parel Receiving Sub Station.

Sl. No.	Item Description
1	LABOUR & MATERIAL CHARGES (EXCLUDING COPPER MATERIAL):
2	To & fro transportation of Transformer with accessories including Insurance, loading/unloading between Undertaking site and contractor’s site
3	Removing top plate, disconnecting OLTC gear, Conservator and Buchholz Relay etc and taking out, putting back core coil assembly in original position for inspection
4	Dismantling of HV windings
5	Dismantling of LV windings
6	Dismantling of the core assembly
7	Cleaning and painting of transformer tank from inside and outside as per specification
8	Cleaning and painting of conservator tank from inside and outside as per specification
9	Replacement of the damaged / defective core laminations
10	Reconditioning of the damaged / defective core laminations
11	Replacement of core bolts with insulation
12	Replacement of only insulation of the core bolts
13	Reassembly of the core
14	Replacement of HV winding by using new conductor and insulation (labour charges only)
15	Replacement of LV winding by using new conductor and insulation (labour charges only)
16	Overhauling and repairs of ON LOAD TAP CHANGER, OLTC mechanism overhauling. The OLTC shall be made mechanically and electrically through
17	Dehydration of the assembled core and windings in an oven under vacuum
18	Assembly of accessories such as conservator tank, HV and LV bushings, radiators, associated pipings etc for carrying out final testing at the works.
19	Cost of new transformer oil to be replaced
20	Routine/acceptance tests as per IS 2026-1977 and as per Annexure-VII
21	Heat Run test
22	Replacement of all gaskets
23	Copper Material Charges (HV & LV winding with Leads):
24	HV winding
25	LV winding
26	HV leads
27	LV leads
28	Tap winding leads
29	Credit Part:
30	Credit for Copper parts
31	Credit for existing Transformer Oil, if it is replaced by new
32	Credit for replaced M. S. Hardware
33	Credit for replaced Brass components/accessories
34	Other items which may required to be replaced:
35	Complete OLTC
36	Oil level gauge
37	Radiator valves
38	Filter valve 50mm
39	Filter valve 80mm
40	Filter valve 100mm
41	Drain valve 50mm
42	Drain valve 80mm
43	Drain valve 100mm
44	Sampling valves
45	Conservator valves
46	Bi-directional flanged rollers
47	Buchholz relay for main tank
48	Winding temperature indicator
49	Oil temperature indicator
50	OSR for OLTC
51	Magnetic oil level gauge
52	Breather for Main tank
53	Breather for OLTC tank
54	Radiators- Repairing/testing
55	Pressure Relief Valve
56	Marshalling box - Fabrication, wiring & electrical components
57	Any other item such as OLTC parts etc. which are not mentioned above:
58	Head Cover O Ring
59	Air release washer
60	Lock Sheet for DFCA
61	Arc Chute
62	M DFCA Shell Fixing Material
63	Arching Chutes (12 Nos.)
64	Flexible BRAID W Fixing Material (500A)
65	M Counter Piece Assly. (12 Nos.)
66	Diverter Fixed contact with fixing materials
67	Diverter Moving contact with fixing materials
68	O Ring-480 X 492 X 6-Viton Head Cover
69	O Ring-448 X 460 X 6-Viton for Top & Bt. FLA
70	Gasket for Cap Nut for Nipple & TCHA
71	Gasket for Cap Air Rel.Screw Nipple
72	O Ring - 15.3 X 2.4 - Viton
73	O Ring-20X 2.5 - Viton - DIN 3771
74	O Ring - 62.2 X 5.7 - Viton
75	O Ring 16.5 mm
76	Dova Contact O Rings
77	Transition Resistance unit assembly for 3 Phase
78	Coupling Shaft Assembly
79	View Glass with fixing materials
80	Nylon Gear Assembly
81	Diverter switch centre shaft with cam
82	Dova contacts with fixing materials
83	Snap Action Switch
84	B9 switch
85	B8 switch
86	MA2 TPI Assembly
87	Motor for MA2 Drive mechanism
88	Door Gasket
89	Local remote switch
90	Limit switch raise
91	Limit switch lower
92	Terminal Block 6 sqmm
93	Mechnical counter
94	M.S.Handle (For Manual Operation)
95	H.V. Bushing
96	L.V. Bushing
97	FRLS Control cable 2.5 sqmm, 2C
98	FRLS Control cable 2.5 sqmm, 4C
99	M.S. Fasteners / Hardware
100	Installation, Commissioning/Retrofitment Charges:
101	Installation, Re-termination, Commissioning & Testing of Transformer at 33kV, Parel RSS
102	Nitrogen Injection Fire Protection System:
103	Supply of NIFP System
104	Retrofitting, Installation, Commissioning & On-site Testing of NIFP System