Uttar Pradesh Power Transmission Corporation Limited Tender

Inserting 40x6 mm G.I flat in 50 mm dia B-class (Jindal) ISI mark 6.0 meter long pipe (03 No.) placed horizontally on ground and bolting the G.I. flat with 150 mm long 75x10 mm coper plate conical piece on and then bolting the G.I flat with GI pipe in such a way that copper flat remains in contact with the pipe. Lowering of 6.0 meter long G.I pipe with conical copper plate connected and at bottom along with G.I. flat inside the pipe in boring of 150 mm G.I. pipe pieces by G.I. sockets along with 40x6 mm G.I. flat running inside the pipe by making 150 mm lap joints 75mm above ground level. Taking out 40x6mm G.I. flat from the upper end of pipe by making a cut 45mm wide up to a depth of 50 mm in upper portion of G.I. pipe and providing 01 No. cap type G.I. socket on upper threaded portion of pipe for water pouring in the pipe at regular intervals filling the space biween boring and G.I pipe by river sand.

Fabrication of M.S electrodes out of 40/36/32 mm dia M.S. round 3.0 meter long having 150 mm long conical shape.

Excavation of pit of size 3.50 Mtr x3.50 Mtrx 1.50 Mtr for driving of M.S. electrodes of 40/36/32 mm dia, 3.0 mtr. Long into the earth at four corners of the pit equal distance of 3.0 mtr. long keeping the top of electrode 50 cm above the pit ground level, welding of 32 mm M.S. round pieces of 3.50 Mtr long on all four sides of electrodes and 15 cm below of top of electrode by 8 Nos. U-type clamp of 50x6 mm M.S. flat connecting a piece of 3.50 Mtr long 40x6 mm G.I. flat on opposide side of square welding of 40x6 mm G.I. flat on opposite M.S. electrode driven in ground and connecting the 40x6 mm G.I. flat taking out from 32 mm dia round in excavated tranch of 50x50 Cm and connecting to earth mat and nearby structure.

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