Tender For Repairing Of 11 / 0.4Kv 10, 25, 63 & 100 Kvadamage Transformer At Sahupuri Workshop Chandauli Under Ewd Varanasi., chandauli-Uttar Pradesh

Repairing Of 11 / 0.4Kv 10, 25, 63 & 100 Kvadamage Transformer At Sahupuri Workshop Chandauli Under Ewd Varanasi. 1 Handling And Dragging Of Transformer From Stacking Yard To Repairing Hall. 2 10Kva 3 25Kva 4 63Kva 5 100Kva 6 Cutting Of Sealed Transformers Top Cover Plate Smoothly And Uniformally By Gas / Chisel Cutter Or Opening Of Top Cover Plat And Detanking Of Core And Coil Assembly. 7 10Kva 8 25Kva 9 63Kva 10 100Kva 11 Dragging Of The Tank From The Repaired Hall To Yard. & Cleaning Oil And Dust Etc. And Scraping The Rust Etc Andwashing Of Transformer Tank With Caustic Soda & Water, Caustic Soda Shall Be Provided By Contractor 12 10Kva 13 25Kva 14 63Kva 15 100Kva 16 Painting Of Inner Side Of Transformer Tank And Channels With Heat Proof Zinc Chromate Paint Of Good Quality ( Berger, Nerolac, Jenson & Nicholson Etc ) Shall Be 17 10Kva 18 25Kva 19 63Kva 20 100Kva 21 Dragging Out Empty Tank From Yard To Repairing Hall. 22 10Kva 23 25Kva 24 63Kva 25 100Kva 26 Dismantling Core And Coil Assembly And Cleaning Of Dust And Dirt From The Core Assembly And Checking Of Lv And Hv Leg Coils For Assessing Its Reuse, Rechecking And Recording Of Physical Dimensions Of Coil And Cleaning Of Core And Their Components Etc. 27 10Kva 28 25Kva 29 63Kva 30 100Kva 31 Reconditioning Of Minor Damaged In Hv / Lv Leg Coil / Strip Of Transformer. Work Includes Removing Of Damage Part Dpc Insulation And Providing New Dpc On Same Hv Coil / Lv Strip Should Be Properlycleaned And Should Be Made Of Same Size As Of Original . 32 25Kva 33 63Kva 34 100Kva 35 ‘‘Making Of Completelv Leg Alu. Leg Coils Identical To Original One With Same Number Of Turns, Weight Etc Providing Super Enameled / Dpc Conductor / Strip Confirming To Is 1971 / 53 In Place Of Old And Damage Coil. Alu. Coil, Wire Strip Will Be Provided By The Department. All Coil Assembly Of Identical Voltage Shall Be Interchangeable Without Requiring Any Special Equipment. Coil Shall Be Supported Between Adjacent Sections By Insulations, Spacers, Beamers And Other Insulations.Rewinding Shall Be Arranged To Ensure Free Circulation Of Oil To Reduced Hot Spots In Winding. The Insulation Of Coil Shall Be Treated With Suitable Insulating, Varnish Or Equivalent Compound To Develop The Full Electrical Strength Of Winding As Per Original Design. 36 10Kva 37 25Kva 38 63Kva 39 100Kva 40 ‘‘Making Of Complete Hvleg Alu. Leg Coils Identical To Original One With Same Number Of Turns, Weight Etc Providing Super Enameled / Dpc Conductor / Strip Confirming To Is 1971 / 53 In Place Of Old And Damage Coil. Alu. Coil, Wire Strip Will Be Provided By The Department. All Coil Assembly Of Identical Voltage Shall Be Interchangeable Without Requiring Any Special Equipment. Coil Shall Be Supported Between Adjacent Sections By Insulations, Spacers, Beamers And Other Insulations.Rewinding Shall Be Arranged To Ensure Free Circulation Of Oil To Reduced Hot Spots In Winding. The Insulation Of Coil Shall Be Treated With Suitable Insulating, Varnish Or Equivalent Compound To Develop The Full Electrical Strength Of Winding As Per Original Design. 41 10Kva 42 25Kva 43 63Kva 44 100Kva 45 Assembly Of Core And Coils And Fitting Of Other Parts Requiring Replacement Such As Press Board, Making Supports Between Adjacent Sections By Insulating Spares And Rapping Etc & Tapping Etc. ( Breezing / Soldering ) Required, Shall Be Arrange By The Contractor. 46 10Kva 47 25Kva 48 63Kva 49 100Kva 50 Shifting And Keeping The Assembled Core Coil Etc. In Oven From The Repairing And Assembly Place. 51 10Kva 52 25Kva 53 63Kva 54 100Kva 55 Taking Out Assembled Core And Coils Assembly From The Oven And Shifting To Repairing Hall. 56 10Kva 57 25Kva 58 63Kva 59 100Kva 60 Retanking Of Complete Assembly Into Painted Tank And Lightening Of The Assembly In The Tank Safely. Fitting Of All Accessories Of The Transformer. 61 10Kva 62 25Kva 63 63Kva 64 100Kva 65 Welding Of Repaired Transformers Including Of Top Cover Plate By Electric Core Welding Filling Of Gaps Or Fixing Of Top Cover Plate By Properly Nuts & Bolts To Prevent Seepage Of Water.. 66 10Kva 67 25Kva 68 63Kva 69 100Kva 70 Painting Of T / F Outside With Super Enamel Synethics Paint Of Yellow Color In Two Coats After Providing Primer Of Red Oxide Paint Etc. Paint & Painting Materials Shall Be Provided By Contractor. 71 10Kva 72 25Kva 73 63Kva 74 100Kva 75 Dragging Of Repaired T / F Upto The Test Cabin / Testing Place For Testing And Their Re-Dragging To Yard And Its Stacking At Indentified Place After Testing 76 10Kva 77 25Kva 78 63Kva 79 100Kva 80 Testing The Correctness Of Connection, Dvdf, No Load, Load Loss Test ( Where Available ) , High Voltage, Impedance Voltage, Short Circuit And Open Circuit Test, Voltage Ratio On Various Tap Position. 81 10Kva 82 25Kva 83 63Kva 84 100Kva 85 Punching And Welding Of M.S. Plate On Outside Of Transformer Of Size 100 Mm X 50Mm X 3 Mm Containing / Punching. ( A ) Of Unique Number As Decided By The Department With A Punch Head. ( B ) Date Of Repair. 86 10Kva 87 25Kva 88 63Kva 89 100Kva

INR 3540 /-

INR 29400.0 /-

Refer document

Name of Work: Repairing of 11/0.4kv 10,25,63 & 100 KVADamage TransformeratSahupuri Workshop Chandauli Under EWD Varanasi.

Sl. No.	Item Description
1	Handling and dragging of transformer from stacking yard to repairing hall.
2	10KVA
3	25KVA
4	63KVA
5	100KVA
6	Cutting of Sealed transformers top cover plate smoothly and uniformally by gas/chisel cutter or opening of top cover plat and detanking of core and coil assembly.
7	10KVA
8	25KVA
9	63KVA
10	100KVA
11	Dragging of the tank from the repaired hall to yard. & cleaning oil and dust etc. and scraping the rust etc andWashing of Transformer tank with Caustic Soda & water, Caustic soda shall be provided by contractor
12	10KVA
13	25KVA
14	63KVA
15	100KVA
16	Painting of inner side of transformer tank and channels with heat proof zinc chromate paint of good quality (Berger, Nerolac, Jenson & Nicholson etc) shall be
17	10KVA
18	25KVA
19	63KVA
20	100KVA
21	Dragging out empty tank from yard to repairing hall.
22	10KVA
23	25KVA
24	63KVA
25	100KVA
26	Dismantling core and coil assembly and cleaning of dust and dirt from the core assembly and checking of LV and HV leg coils for assessing its reuse, rechecking and recording of physical dimensions of coil and cleaning of core and their components etc.
27	10KVA
28	25KVA
29	63KVA
30	100KVA
31	Reconditioning of minor damaged in HV/LV leg coil/ Strip of transformer. work includes removing of damage part DPC insulation and providing new DPC on same HV coil/LV Strip should be properlycleaned and should be made of same size as of original .
32	25KVA
33	63KVA
34	100KVA
35	‘‘Making of completeLV leg Alu. Leg coils identical to original one with same number of turns, weight etc providing super enameled / DPC conductor/ Strip confirming to IS 1971 /53 in place of old and damage coil. Alu. coil, wire strip will be provided by the department. All coil assembly of identical voltage shall be interchangeable without requiring any special equipment. Coil shall be supported between adjacent sections by insulations, spacers, beamers and other insulations.Rewinding shall be arranged to ensure free circulation of oil to reduced hot spots in winding. The insulation of coil shall be treated with suitable insulating, varnish or equivalent compound to develop the full electrical strength of winding as per original design.
36	10KVA
37	25KVA
38	63KVA
39	100KVA
40	‘‘Making of complete HVleg Alu. Leg coils identical to original one with same number of turns, weight etc providing super enameled / DPC conductor/ Strip confirming to IS 1971 /53 in place of old and damage coil. Alu. coil, wire strip will be provided by the department. All coil assembly of identical voltage shall be interchangeable without requiring any special equipment. Coil shall be supported between adjacent sections by insulations, spacers, beamers and other insulations.Rewinding shall be arranged to ensure free circulation of oil to reduced hot spots in winding. The insulation of coil shall be treated with suitable insulating, varnish or equivalent compound to develop the full electrical strength of winding as per original design.
41	10KVA
42	25KVA
43	63KVA
44	100KVA
45	Assembly of core and coils and fitting of other parts requiring replacement such as press board, making supports between adjacent sections by insulating spares and rapping etc & tapping etc. (Breezing/soldering) required, shall be arrange by the contractor.
46	10KVA
47	25KVA
48	63KVA
49	100KVA
50	Shifting and keeping the assembled core coil etc. in Oven from the repairing and assembly place.
51	10KVA
52	25KVA
53	63KVA
54	100KVA
55	Taking out assembled core and coils assembly from the OVEN and shifting to repairing hall.
56	10KVA
57	25KVA
58	63KVA
59	100KVA
60	Retanking of complete assembly into painted tank and lightening of the assembly in the tank safely. Fitting of all accessories of the transformer.
61	10KVA
62	25KVA
63	63KVA
64	100KVA
65	Welding of repaired transformers including of top cover plate by electric core welding filling of gaps or fixing of top cover plate by properly nuts & bolts to prevent seepage of water..
66	10KVA
67	25KVA
68	63KVA
69	100KVA
70	Painting of t/f outside with super enamel synethics paint of yellow color in two coats after providing primer of red oxide paint etc. paint & painting materials shall be provided by contractor.
71	10KVA
72	25KVA
73	63KVA
74	100KVA
75	Dragging of repaired T/f upto the test cabin/testing place for testing and their re-dragging to yard and its stacking at indentified place after testing
76	10KVA
77	25KVA
78	63KVA
79	100KVA
80	Testing the correctness of connection, DVDF, No load, load loss test (where available), High Voltage, impedance voltage, Short Circuit and open circuit test, Voltage ratio on various tap position.
81	10KVA
82	25KVA
83	63KVA
84	100KVA
85	Punching and welding of M.S. Plate on outside of transformer of size 100 mm x 50mm x 3 mm containing/ punching. (a) of unique number as decided by the department with a punch head. (b) Date of repair.
86	10KVA
87	25KVA
88	63KVA
89	100KVA