MAKING EARTHING AND MODIFICATION OF EXISTING EARTHING OF LA INSTALLED AT VARIOUS CAPACITY TRANSFORMERS UNDER ETD-AMROHA.

Amount

Making Earthing of LA including work of digging of soil upto 1m depth or as per requirement, removal of stones in chilling pits (if required) and breaking of PCC/ Brick work (if required). Making 06 Nos. holes in soil, across structure of 132 KV side LA. Fabricating min. 3m long electrodes from 40mm dia MS round, having one side conical shape. Placing of electrodes and laying of 75X10mm MS flats as per drawing or site conditions, including work of shifting of material, cutting, bending, drilling and welding at joints of 75X10mm MS flat and 40mm dia MS round etc. Connecting the Newly made grid by X-Y MS round of existing earthmat as per drawing with the help of 75X10mm MS flat or 50X6mm MS flat. Backfilling of soil/stones etc. Making connections of LA/Surge counter by riser from 75X10mm MS flat, as per drawing available. A) HV side LA of 40 MVA T/F 1st at 132KV Amroha B) HV side LA of 40 MVA T/F 2nd at 132KV Amroha

Making Earthing of LA including work of digging of soil upto 1m depth or as per requirement, removal of stones in chilling pits (if required) and breaking of PCC/ Brick work (if required). Making 04 Nos. holes in soil, across structure of 33KV side LA. Fabricating min. 3m long electrodes from 40mm dia MS round, having one side conical shape. Placing of electrodes and laying of 75X10mm MS flats as per drawing or site conditions, including work of shifting of material, cutting, bending, drilling and welding at joints of 75X10mm MS flat and 40mm dia MS round etc. Connecting the Newly made grid by X-Y MS round of existing earthmat as per drawing with the help of 75X10mm MS flat or 50X6mm MS flat. Backfilling of soil/stones etc. Making connections of LA by riser from 50X06mm MS flat, as per drawing available. A) LV side LA of 40 MVA T/F 1st at 132KV Amroha B) LV side LA of 40 MVA T/F 2nd at 132KV Amroha

Connecting Existing Delta earthing of 220KV, 132KV, 33KV side LA of various capacity Transformers under difirent sub-station under ETD-Amroha by 75X10mm MS flat or 50X6mm MS flat with X-Y electrodes of existing main Earthmat, including work of digging of soil, breaking of PCC/Brick work (if required), cutting, bending, welding, painting and backfilling, as per drawing or site conditions till satisfactory completion of Job.

P S Enterprises

TIRUPATI ELECTRICALS