42-ETC-I(A)/ 2023-2024

Amount

Supply of 75x10sq.mm MS flat approved by department for double earthing connection from HV & LV side of (2x40) MVA T/F at 132 KV Substation Bindki.

Supply of 03 meter length MS round bar of 40mm diameter electrode to be procured for strengthening of earthing system for protection of (2x40) MVA T/F installed at 132 KV Substation Bindki.

Delta formation for delta earthing of (2x40) MVA T/F at 132 KV S/S Bindki consisting of delta set with 3 Nos. 40 Sq.mm dia size 3 Mtrs. Long electrode, placing inside the ground by digging and connecting all the three electrodes with 75x10mm MS Flat 800 mm deep and connecting the same with earth mat at two places i.e X&Y axis of earth mat (M.S. rod provided by the department).

Double earthing connection from HV & LV neutral earthing/bushing of (2x40) MVA T/F as per drawing as well as checking existing delta earthing electrode with existing earth mat by MS flat of size 75x10 sq.mm through proper digging of delta earthing & require to strengthen by connecting X&Y axis of earth mat as per drawing. This work include cutting strengthening, bending and laying 1000-800 mm below inside the ground from counter & up to top of the structure/equipment including excavation of earth up to connect MS flat from MS electrode of delta including wielding with main earth mat with T&P.

Painting of MS flat of size 75x10 sq.mm earthing flat by standard quality enamelled two coat red oxide and two coat green colour standard paint including cast of all consumable material & T&P.

MS RK ERACTORS