ELECTRICAL WORK

Amount

Following Work are to be carried out for the work of unloading and erection of 60 MVA, 220/33KV T/F (In place of defective 60 MVA, 220/33KV T/F ) at 220 KV S/S Sikndrabad including all associate work to complete the satisfactorily as per direction of Supervising Engineer.Dismantling of balance E-mulsifier water spraying system air and water pipe line by opening of their flang coupling and cutting by power cutter as per required for installation of other 60MVA, 220/33KV T/F bring from 220KV S/S Avas Vikas Lucknow.

Shifting /dragging of 60 MVA 220/33 KV T/F up to 20 Meter distance including turning of the T/F tank as required along with associated accessories from existing place to Transformer foundation place to with all due care of safety & Precautions.

A. Additional Shifting 50Mtrs. @ 5mtrs. /Per Job.

Complete erection of 60 MVA, 220/33KV Transformer including A frame Header, Radiator, conservator tank bushing, Connecting pipe line, cooling fans and pump etc.

Replacement of new gasket (Loose parts) of radiators, HV/ LV / tertiary bushing oil pipe lines etc. excluding main tank (Crain shall be arrange by the Contractor).

Shifting of 20 KL oil tank else where 220KV S/S Sikandrabad switch yard to work place at 220 KV S/S Sikandrabad including loading & unloading in suitable vehicle.

Filling of fresh Transformer oil from Transformer oil drum in suitable oil tanker and then centrifuging of the oil by ultra – high vacuum oil filtration plant after connecting the centrifuging pipe with oil tanker to oil filtration plant including taking the BDV value of oil periodically till the required value is achieved and creating the vacuum inside new 60 MVA, 220/33KV Transformer before filling the Transformer oil including vacuum stand test with all cost of centrifuging machine CFM operator etc.

Centrifuging / Dehydration of the complete Transformer oil of new 60 MVA, 220/33KV Transformer by ultra – high vacuum filtration plant including taking the BDVs value of oil and mugger values of the Transformer periodically till the required value is achieved including filling and topping up the above prepared Transformer oil under vacuum in main tank, radiator, conservator tank etc. and attending oil leakage if any with all cost of centrifuging machine CFM Operator.

Earthing of main tank marshaling box drive mechanism,T/F neutral etc. of new 60 MVA, 220/33KV T/F with the help of 50x6/75x10 mm size MS flat to be provided by the department its jointing with already laid earthmat /deltas at two palace and necessaries modification in existing support for earthing of neutral bushing support for its earthing work.

Jumpering of HV bushing of new 60 MVA, 220/33KV Transformer through 198 KV LA with the help of newly prepared ACSR Zebra Conductor with associated terminal connector to connect with jack bus as per required

Jumpering of LV bushing of new 60 MVA, 220/33KV Transformer with the help of Twin ACSR zebra conductor.

Erection of new 60 MVA, 220/33KV Transformer RTCC panel including shifting from unloading place to control room with the using of suitable capacity crane/hydra.

Connection of the control and power cable as per new cable schedule of new 60 MVA, 220/33KV Transformer and its OLTC /RTCC panel at both end and control & relay panel cooling fans and pumps marshaling box etc. using existing cables including laying dressing bending of addition control cable as per site requirement.

Work of installation and Modification of high velocity automatic water spraying system on new 60 MVA, 220/33KV T/F (Transformer commisioned in place of defective T/F) with laying of fire detection/water pipe line, valves, Quartzoid bulb, HVWS nozzles including along with all material, accessories relevant to complete as per details :-Cleaning of dismantled HVWSN, declosing, Re- installation & commissioning of high velocity water spray nozzles of HD make UL Listed Flow capacity 3.5 kg/cm2.

Cleaning dimantling QBD, Re- Installation & Commissioning of Quartzoid bulb detectors (QBD) of HD make UL Listed operate at 79°C, sensing at rated temp for actuation of the element 10-12 sec. K5.6 pendant chrome finish.

Re-installation with fresh coat of painting along with modification of old GI pipe line as per details with fittings of new elbow, t- scokets, bends as required and using it for the re-installation of emulsifier on new 60 MVA, 220/33KV T/F. (A) 100/80 NB

Miscllaneous works including providing and fixing of items like alram gong, Brass globe vales, Back pressure Valve etc and other works not included in the above work that may be necessasy for completion of work.

Integeration along with Re Installation with testing, Commissioning of quick opening flood, deluge value of 100 NB as per site location to the exsisting emulsifier system.

Meena Elect and Engg Works

Gupta Elect and Engg Works