SPECIAL REPAIR TO REPLACEMENT OF 2 X 1.6 MVA 33/11 KV TRANSFORMER AND CONNECTED WORK UNDER CWE JABALPUR

Supply and fixing of new Air break gang operated switch, triple pole, mechanically operated out door with all fitting/ accessories mounted on and including 9 Nos. 33 KV porcelain insulator and steel channel frame Gi operating rod 25 mm dia of suitable length with operating mechanism worked from ground level horizontally operated rotating type with copper isolator as per site requirement including locking arrangement for operating handle complete suitable for current rating upto 400 Amps 33 KV complete all as specified and directed by Engr in charge.

M&L for new lightning arrestor expulsion type complete with all fittings, transmision/ distribution class 65 KA, conforming to IS-3070 (Part-II) 1993 suitable for 33 KV system and mounting on poles including all necessary bolts, nuts and washers and making electric connection and testing on completion complete all as specified and directed.

Taking down old unsv insulator any type any size

M&L for earthing complete with galvanised steel earth plate electrode 600x600x6.0mm thick directly burried in the ground (earth pit not less than 2.25M deep below ground level) with top edge of earth plate not less than 1.50M deep below normal ground level, connected to galvanised iron strip 32x6 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel, 40mm bore Gl pipe light grade including necessary fittings for protection of earthing strip, watering pipe 20mm bore Gl medium grade, concrete chamber in PCC (1:4:8) type D-2 using 40 mm grade aggregate, coping shall be in PCC (1:3:6) type C-1 using 20 mm grade aggregate and internal surfaces of concrete chamber shall be given 12mm thick plaster in CM (1:4), funnel with wire gauge of 22 gauge 8 mesh per linear including 50mm thick cover of RCC (1:2:4) type B-1 using 20mm grade stone aggregate reinforced with 8mm MS TMT bar @ 75 mm C/C both ways, char coal dust and common salt all as shown in electrical plate No. 3 of SSR Part-1 (2009) including all necessary excavation & earth work and removal of surplus soil to a distance n. exc 50M and providing connection points with MS/ GI bolts & washers as required and connection from earth test point to earth electrode with same Gl earth strip alongwith protection pipe and testing on completion complete all as specified and directed. Note: GI strip and protection pipe from earth electrode to test point max upto 7.50M shall be deemed to be included in the unit rates as quoted by contractor

M&L for earthing complete with galvanised steel earth plate electrode 600x600x6.0mm thick directly burried in the ground (earth pit not less than 2.25M deep below ground level) with top edge of earth plate not less than 1.50M deep below normal ground level, connected to galvanised wire 4mm dia as earthing lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel, 40mm bore Gl pipe light grade including necessary fittings for protection of earthing strip, watering pipe 20mm bore Gl medium grade, concrete chamber in PCC (1:4:8) type D-2 using 40 mm grade aggregate, coping shall be in PCC (1:3:6) type C-1 using 20 mm grade aggregate and internal surfaces of concrete chamber shall be given 12mm thick plaster in CM (1:4), funnel with wire gauge of 22 gauge 8 mesh per linear including 50mm thick cover of RCC (1:2:4) type B-1 using 20mm grade stone aggregate reinforced with 8mm MS TMT bar @ 75 mm C/C both ways, char coal dust and common salt all as shown in electrical plate No. 3 of SSR Part-1 (2009) including all necessary excavation & earth work and removal of surplus soil to a distance n. exc 50M and providing connection points with MS/ GI bolts & washers as required and connection from earth test point to earth electrode with same Gl earth strip alongwith protection pipe and testing on completion complete all as specified and directed. Note: GI strip and protection pipe from earth electrode to test point max upto 7.50M shall be deemed to be included in the unit rates as quoted by contractor

Taking down old unsv earthing any type complete all as specified and directed.

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables earthed (heavy duty) with stranded aluminium conductor, 11000 volts grade of size 3 core 120 sq mm. complete all as specified and directed.

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables earthed (heavy duty)with stranded aluminium conductor, 33000 volts grade of size 3 core 120 sq mm complete all as specified and directed.

Taking down old unsv HT/LT cable any type any size complete all as specified and directed.

Cross arm bracings, supports, clamps and back plates fabricated from structural steel section including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finished coat of paint complete all as specified and directed.