WORK OF ERECTION OF 01 No. 132/33 KV , 40 MVA TAL MAKE TRANSFORMER IN THE PLACE OF DAMAGED 40 MVA TRANSFORMER No.-II AND OTHER ASSOCIATED WORKS AT 220 KV SUBSTATION , MAHARAJGANJ UNDER ETD-II , GORAKHPUR

Amount

Shifting of repaired 132/ 33 KV 40 MVA Transformer main tank from unloading site to Transformer plinth at 220 KV S/s Maharajganj approx. distance 20 meter , distance including turning of tank if required.

Complete Erection of repaired 40 MVA T/F work includes erection of radiator, conservator tank , bushing with its turrets (If available) connecting of all oil Pipe line , erection of cooling fans , making control cables connection , buchholz relay etc. for completing the work tapping of T/F oil and final oil filling in tank radiator conservator tank and all other associated work for completion of job satisfactory.

Earthing of main tank , marshalling box and OLTC mechanism Box etc. of 40 MVA T/F by using M.S. Flat 50x6/75x10 Sq. mm .

Earthing of HV & LV , Neutral Bushing with separate 75x10 mm size MS Flat of repaired 40 MVA T/F . Work includes jointing of already delta earthing with Neutral Bushing , making of new delta if required or necessary modification required as per site requirement . After completion of work painting of MS Flat with Bus Green paint . MS Flat to be provided by Department.

Re-Termination of existing Control & Power cable on new repaired 40 MVA T/F , including termination on OLTC & marshalling box etc. Works includes dressing , binding and laying (if required) as per site requirement and termination along with making holes . Fixing of Cable glands of appropriate size , Providing of ferrules and cable termination as per standard (Total Approx. 98 Nos. Termination).

Shifting & Erection of RTCC Panel of this 40 MVA T/F in Control Room at 220 KV S/s Maharajganj including its Tremination and laying of control cable if required as per site requirement.

Jumpering of 40 MVA T/F from HV with single Zebra Conductor.

Jumpering of 40 MVA T/F from LV side with Twin Zebra Conductor.

Erection of 120 KV LA along with erection of its ALP structure. Work includes Earthing of each LA with existing MS Flat and jumpering with existing ACSR Zebra Conductor.

Topping of fresh Transformer oil from T/F oil drums in suitable capacity oil tank and then centrifusing of Transformer oil by ultra high vacuum oil filtration plant after connecting the centrifusing pipes 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 40 MVA Transformer before filling the transformer oil including vacuum stand test with all cost of centrifusing machine, CFM Operator, lubricant etc.

Centrifusing of complete T/F oil in T/F by connecting centrifusing pipes circulating the T/F oil through PVT centrifusing machine and taking the BDV / Water contant (PPM) value of the oil periodically till the required value is achived Approx. 18 KL.

Conducting oil test of oil sample by arrenging appropriate equipments for following testing by NABL Lab (BDV / PPM/ DGA etc.) as per instruction of Supervisor and also assistance in the T/F Testing , Main tank.

Testing ofrepaired132/33 KV 40 MVA T/F at 220 KV S/s Maharajganj (Testing Team with Testing kit shall be arranged by the contractor).

Insulation Resistance Measurement.

Polorization Index

Magnatizing Current

Magnatic Balance

Vector Group Test

Voltage Ratio Test

Winding resistance measurement

Tan Delta and capacitance measurement

Sweep Frequence response analysis

Open Ckt Test

Short Ckt Test

Taking Electrical Safety NOC from Electrical Safety Department , Gorakhpur after erection work completion . It will reimbursed on actual amount after submission of NOC challan copy.

rbs engineering

Sampada Trading Company

ARK ENGINEERING