Strengthening of existing earthing system of 100 MVA and 50 MVA Power Transformers by special deep boring earthing at 220/132/33 kV GSS Lalmatia, 132/33 kV GSS Rajmahal and 132/33 kV GSS Sahibganj.

PRICE PART (PART-II)

Name of Work :- Strengthening of existing earthing system of 100 MVA and 50 MVA Power Transformers by special deep boring earthing at 220/132/33 kV GSS Lalmatia, 132/33 kV GSS Rajmahal & 132/33 kV GSS Sahibganj.

e-NIT No. 812/PR/JUSNL/2025-26

Name & Address of Bidder :-

(A). Strengthening of existing Earthing system of 50 MVA Power Transformers by special deep boring Earthing at 132/33 kV GSS, Sahibganj :-

Sl. No Descrtiption Unit Qty. Rate/Unit Total (In Rs.)

1 Construction of special type boring for earthing in soil 25 meter deep with supplying 1 1/2" dia GI pipe (Tata make) welded with 20mm dia MS Rod 25 meter long including making 10 mm dia hole for taking moisture in soil, supply of salt, charcoal for smooth functioning of earthing pit, blanking of pipe, making chamber etc. complete with all labour & material supply No. 4

2 Cost of 75mm x 10 mm Copper flat (make Jindal/Essar) for connecting earth pit with Transformer's Neutral Meter 40

(B). Strengthening of existing Earthing system of 50 MVA Power Transformers by special deep boring Earthing at 132/33 kV GSS, Rajmahal :-

1 Construction of special type boring for earthing in soil 25 meter deep with supplying 1 1/2" dia GI pipe (Tata make) welded with 20mm dia MS Rod 25 meter long including making 10 mm dia hole for taking moisture in soil, supply of salt, charcoal for smooth functioning of earthing pit, blanking of pipe, making chamber etc. complete with all labour & material supply No. 4

2 Cost of 75mm x 10 mm Copper flat (make Jindal/Essar) for connecting earth pit with Transformer's Neutral Meter 40

(C). Strengthening of existing Earthing system of 100 MVA & 50 MVA Power Transformers by special deep boring Earthing at 220/132/33 kV GSS, Lalmatia :-

1 Construction of special type boring for earthing in soil 25 meter deep with supplying 1 1/2" dia GI pipe (Tata make) welded with 20mm dia MS Rod 25 meter long including making 10 mm dia hole for taking moisture in soil, supply of salt, charcoal for smooth functioning of earthing pit, blanking of pipe, making chamber etc. complete with all labour & material supply No. 2

2 Cost of 75mm x 10 mm Copper flat (make Jindal/Essar) for connecting earth pit with Transformer's Neutral Meter 20

(B) Rate to be quoted by bidder in % (percentage) in digit only upto two decimal places only against Total (A) and select criteria : Above/ Below/Estimated cost. Select Criteria Put Rate in Case of Above and Below

CGST @ 9 % on Sub-Total

SGST @ 9 % on Sub-Total

Labour Cess @ 01 %

Grand Total Rs.

Final Price Quoted by Bidder (Say Rs.)