Repair, maintenance of transformers for power supply to different colonies under AADOCM, hori Area

Amount

Part A: 315 kVA, 11 kV/440 V transformer

Providing & fixing of all gaskit at tanki cover, primary & secondary side insulator points, Conservator tanki pipe joints, oil indication place, drain valve joints, etc places

Replacement of drain valv, size-1"

Online filtration/dehydration of transformer oil

Complete body cleaning, Double coat primer and Enamel painting by Spray painting machine including cost of cleaning and painting materils as well as labour cost.

Raditor cleaning and fitting

Testing, checking and commissioning of lighting transformer at site

Supervision , incidental & overhead expenses

Part B: 500 kVA, 11 kV/440 V lighting transformer

Raditor cleaning and fitting

Providing of spout bushing insulator with stud set primary side.

Providing & fixing of all gaskit at tanki cover, primary & secondary side insulator points, Conservator tanki pipe joints, oil indication place, drain valve joints, etc places

Complete body cleaning, Double coat primer and Enamel painting by Spray painting machine including cost of cleaning and painting materils as well as labour cost.

Online filtration/dehydration of transformer oil

Testing, checking and commissioning of lighting transformer at site

Supervision , incidental & overhead expenses

Part C: 630 kVA, 11 kV/440 V lighting transformer

Replacement of drain valv, size-1"

Providing & fixing of all gaskit at tanki cover, primary & secondary side insulator points, Conservator tanki pipe joints, oil indication place, drain valve joints, etc places

Providing of spout bushing insulator with stud set primary side.

Testing, checking and commissioning of lighting transformer at site

Supervision , incidental & overhead expenses

Part D: 500 kVA, 11 kV/440 V lighting transformer

Providing of Buchholz relay, 3'' dia flang type.

Online filtration/dehydration of transformer oil

Complete body cleaning, Double coat primer and Enamel painting by Spray painting machine including cost of cleaning and painting materils as well as labour cost.

Replacement of nuts, bolts, washer, and tio rods.

Providing of spout bushing insulator with stud set primary side.

Testing, checking and commissioning of lighting transformer at site

Supervision , incidental & overhead expenses

Part E: 1 MVA, 11 kV/440 V lighting transformer

Providing of bushing insulator with stud set primary side 11KVgrade.

Replacement of drain valve.

Providing & fixing of all gaskit at tanki cover, primary & secondary side insulator points, Conservator tanki pipe joints, oil indication place, drain valve joints, etc places

Complete body cleaning, Double coat primer and Enamel painting by Spray painting machine including cost of cleaning and painting materils as well as labour cost. 1MVA, 11KV/440V lighting transformer

Replacement of nuts, bolts, washer, and tio rods.

Providing of breather with silcagel set.

Providing of oil temprature meter.

Repairing of raditor valve

Raditor cleaning and fitting

Testing, checking and commissioning of lighting transformer at site

Supervision , incidental & overhead expenses

Part F: 440 V, 1250 A, LT control panel

Providing of Feurels,lugs, clips, socket wiring belts etc. for circuit wiring.

Providing of indicator lamp set, 440V

Providing of male contact 1250Amp

Providing of female contact 1250Amp

Providing of Auxiliary contactor 110V, 3 no + 3NC, 415V, 5A

Providing of loadster switch 20A & 32A, 440V

Providing of Single phase preventer, 440V.

Providing current transformer for Am meter of ratio 1000/5A

Providing of O/L relay C.T operated/mounted based (0-5A) Range, CTR 600/5A

Complete body cleaning, Double coat primer and Enamel painting by Spray painting machine including cost of cleaning and painting materils as well as labour cost.

Rewiring and repairing of opreating circuit wiring including cost of 2.5 sqmm flexible copper wire s/core 1.1KV grade 200mtr approx.

Repairing setting of MCCB, 630Amp, 415V, 3 Phase, 50HZ

Renovation of bus-bar system with repairing by drilling, cutting, shape making and setting, as well as complete insulation tapping covering.

Repairing/ overhauling and commissioning of panel at site

Supervision , incidental & overhead expenses

Total impact of GST for the purpose of CTC

M/S NATIONAL ELECTRICAL WORKS

M/S SHREE TIRUPATI TRADERS