Repairing of 5 MVA, 8 MVA and 10 MVA Burnt/Damaged Power Transformers

Amount

Labour Charges for

Preliminary inspection of transformers at MVVNL site/workshop involving minor repairs at site/workshop.

Labour charges for Preliminary inspection of transformers at MVVNL site/workshop for estimation involving major repairs unloading of transformers, at contractors work & repair of transformer cover, draining of oil, if any, detanking 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 transformer 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

LV leg coils complete with insulation, vanishing by vacuum impregnation (if required as per sample) and baking of coil assembly

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 drain valve 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 Bucholze relay complete with alarm and trip contacts

Air release plug

Pressure released valve

Replacement of damaged core

Pair of arcing horns 33/37.5 KV

Radiator

Radiator valve

M. S. Clamping ring

Winding temperature indicator (complete set)

Fresh transformer oil of standard quality as per IS:335/83 and latest amendment thereof.

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 concervator with suitable primer and two coats of suitable paint of grey colour and marking etc.

Burnt/damaged leg coils to be retained by the contractor

Damaged metal parts of bushing to be retained by contractor

TOTAL

Transportation/Carriage Charges

Upto 10 Kms.

Above 10 Kms. To 25 Kms.

Above 25 Kms. To 50 Kms.

Above 50 Kms. To 100 Kms.

Above 100 Kms. To 150 Kms.

Above 150 Kms. To 200 Kms.

Above 200 Kms. But upto 300 Kms.

Above 300 Kms. But upto 400 Kms.

Above 400 Kms. But upto 500 Kms.

Above 500 Kms. But upto 600 Kms.

J P ELECTRICAL INDUSTRIES

M/S BALAJI TRANSFORMERS

TRANSYS ENGINEERS

Electromec Engineering Enterprises

Achal Electricals

SWASTIK INDUSTRIES

SHIVAM INDUSTRIES

M/S LAKSHMI ELECTRICALS

SHIV ENGINEERING

Kailash Transformer

KAMLA TRANSFORMERS PVT. LTD.

LAKSHMI TRANSFORMERS

Trafo Power Electricals Pvt. Ltd.

M/S ANURAG ENGINEERING

Mahendra Engineering Limited

ASHOKA ELECTRICALS

ANAND TRANSFORMERS PVT LTD

ABC Transormers Pvt Ltd

SAMTECH INDUSTRIES

Laxmi Technocrats

APS POWER TECH INDIA PVT LTD

STAR ENGINEERING INDUSTRIES

SHRIRAM SWITCHGEARS

Elecon Conductors Limited