REPAIR/REPLACEMENT/MAINTENANCE OF EXISTING EARTHING INFRASTRUCTURE, LA SYSTEM AND CONNECTED E/M WORKS AT AF STN ARJAN SINGH UNDER GE (AF) PANAGARH

M&L for earthing complete with galvanised steel earth plate electrode 600x600x6mm thick burried directly in ground earth pit not less than 2.25m deep below ground level with top edge of the plate not less than 1.5m deep below normal ground level connected to and including 25X4mm thick galvanised iron strip as earthing lead by means of bolts, nuts, checknuts and washers of galvanised iron or steel all as specified in electrical plate No 3 of SSR (2009) part-I including 50mm bore GI pipe (light grade) for protection of earth strip and PCC (1:3:6) type C-1 as in pit, Precast RCC earth pit cover 8 cm thick reinforced with 8mm dia TMT bars @150mmc/c and two handles made out of 8mm dia round mild steel bar, excavation and earth work in any type of soil and alternate layers of charcoal, common salt and 20mm bore galvanised medium grade steel tubing for watering with one end fixed with cast iron funnel and wire mesh and testing on completion after dismantling of old unserviceable earthing with all material etc all as specified and directed. (Note:- (i) Earth strip and protection pipe upto board 7.5 m and others mentioned above are included in this item (ii) The earthing pit shall be provide with proper earth pit and pit cover (iii) pit cover shall be painted with two coats of cement base paint of approved colour and pit number to be marked on a GI plate above 45 cm from GL as per colour code followed by AF authority (iv) Purchase voucher of GI plate and strip having GST number shall be provided before the payment claim (v) Earthing test certificate from users shall be provided before the payment claim)

M&L for earthing complete with galvanised steel earth plate electrode 600x600x6mm thick burried directly in ground earth pit not less than 2.25m deep below ground level with top edge of the plate not less than 1.5m deep below normal ground level connected to and including 32/6mm thick galvanised iron strip as earthing lead by means of bolts, nuts, checknuts and washers of galvanised iron or steel all as specified in electrical plate No 3 of SSR (2009) part-I including 50mm bore GI pipe (light grade) for protection of earth strip and PCC (1:3:6) type C-1 as in pit, Precast RCC earth pit cover 8 cm thick reinforced with 8mm dia TMT bars @150mmc/c and two handles made out of 8mm dia round mild steel bar, excavation and earth work in any type of soil and alternate layers of charcoal, common salt and 20mm bore galvanised medium grade steel tubing for watering with one end fixed with cast iron funnel and wire mesh and testing on completion after dismantling of old unserviceable earthing with all material etc all as specified and directed. (Note:- (i) Earth strip and protection pipe upto board 7.5 m and others mentioned in above are included in this item (ii) The earthing pit shall be provide with proper earth pit and pit cover (iii) pit cover shall be painted with two coats of cement base paint of approved colour and pit number to be marked on a GI plate above 45 cm from GL as per colour code followed by AF authority (iv) Purchase voucher of GI plate and strip having GST number shall be provided before the payment claim (v) Earthing test certificate from users shall be provided before the payment claim)

M&L for earthing complete with copper earth plate electrode 600x600x3.15 mm thick burried directly in ground earth pit not less than 2.25m deep below ground level with top edge of the plate not less than 1.5m deep below normal ground level connected to and including 20x3mm thick copper strip as earthing lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as specified in electrical plate No 3 of SSR (2009) part-I including 50mm bore GI pipe (light grade) for protection of earth strip and PCC (1:3:6) type C-1 as in pit, Precast RCC earth pit cover 8 cm thick reinforced with 8mm dia TMT bars @150mmc/c and two handles made out of 8mm dia round mild steel bar, excavation and earth work in any type of soil and alternate layers of charcoal, common salt and 20mm bore galvanised medium grade steel tubing for watering with one end fixed with cast iron funnel and wire mesh and testing on completion after dismantling of old unserviceable earthing with all material etc all as specified and directed. (Note:- (i) Earth strip and protection pipe upto board 7.5 m and others mentoned above are included in this item (ii) The earthing pit shall be provide with proper earth pit and pit cover (iii) pit cover shall be painted with two coats of cement base paint of approved colour and pit number to be marked on a GI plate above 45 cm from GL as per colour code followed by AF authority (iv) Purchase voucher of GI plate and strip having GST number shall be provided before the payment claim (v) Earthing test certificate from users shall be provided before the payment claim)

S&F for Copper strip 20x3 mm buried in ground and on wall surface with shaddles and fixing screws etc for roof conductors and down conductors above/below of any type of wall surface with necessary fixing arrangements by providing proceling base at 60cm interval and using catmium plated fixing screw and insulator per RM as per site requirement (for additional earthing lead beyond 7.5 meters per earth, if so required at site or other location) and also required interconnection of earth pits after dismantling of old unserviceable copper strip complete all as specified and directed. (Note: (i) Strip shall be installed on saddles in such way that in no case copper strip comes in direct contact with pole/wall/Roof etc. (ii) Copper strip will be fixed epoxy base insulators of suitable size (iii) The rates quoted by the contractor included the all items mentioned above (iv) Purchase voucher of copper strip having GST number shall be provided before the payment claim.)

S&F for Copper strip 32x6 mm buried in ground and on wall surface with shaddles and fixing screws etc for roof conductors and down conductors above/below of any type of wall surface with necessary fixing arrangements by providing proceling base at 60cm interval and using catmium plated fixing screw and insulator per RM as per site requirement and also required interconnection of earth pits after dismantling of old unserviceable copper strip complete all as specified and directed. (Note: (i) Strip shall be installed on saddles in such way that in no case copper strip comes in direct contact with pole/wall/Roof etc. (ii) Copper strip will be fixed epoxy base insulators of suitable size (iii) The rates quoted by the contractor included the all items mentioned above (iv) Purchase voucher of copper strip having GST number shall be provided before the payment claim.)

S&F for Galvanised iron strip 25x4 mm buried in ground and on wall surface with shaddles and fixing screws etc for roof conductors and down conductors above/below of any type of wall surface with necessary fixing arrangements by providing proceling base at 60cm interval and using catmium plated fixing screw and insulator per RM as per site requirement (for additional earthing lead beyond 7.5 meters per earth, if so required at site or other location) and also required interconnection of earth pits after dismantling of old unserviceable galvanised iron strip complete all as specified and directed. (Note: (i) Strip shall be installed on saddles in such way that in no case Galvanised iron strip comes in direct contact with pole/wall/Roof etc. (ii) Galvanised iron strip will be fixed epoxy base insulators of suitable size (iii) The rates quoted by the contractor included the all items mentioned above (iv) Purchase voucher of GI strip having GST number shall be provided before the payment claim.)

S&F for Galvanised iron strip 32x6 mm buried in ground and on wall surface with shaddles and fixing screws etc for roof conductors and down conductors above/below of any type of wall surface with necessary fixing arrangements by providing proceling base at 60cm interval and using catmium plated fixing screw and insulator per RM as per site requirement (for additional earthing lead beyond 7.5 meters per earth, if so required at site or other location) and also required interconnection of earth pits after dismantling of old unserviceable galvanised iron strip complete all as specified and directed. (Note: (i) Strip shall be installed on saddles in such way that in no case Galvanised iron strip comes in direct contact with pole/wall/Roof etc. (ii) Galvanised iron strip will be fixed epoxy base insulators of suitable size (iii) The rates quoted by the contractor included the all items mentioned above (iv) Purchase voucher of GI strip having GST number shall be provided before the payment claim.)

S&F for aluminium strip 25x3 mm buried in ground and on wall surface with shaddles and fixing screws etc for roof conductors and down conductors above/below of any type of wall surface with necessary fixing arrangements by providing proceling base at 60cm interval and using catmium plated fixing screw and insulator per RM as per site requirement (for additional earthing lead beyond 7.5 meters per earth, if so required at site or other location) and also required interconnection of earth pits after dismantling of old unserviceable aluminium strip complete all as specified and directed. (Note: (i) Strip shall be installed on saddles in such way that in no case aluminium strip comes in direct contact with pole/wall/Roof etc. (ii) aluminium strip will be fixed epoxy base insulators of suitable size (iii) The rates quoted by the contractor included the all items mentioned above (iv) Purchase voucher of aluminium strip having GST number shall be provided before the payment claim.).)

M&L for 40mm dia galvanized steel tubing (light grade) with complete all fittings such as elbow, unions, nipples, tees, bends, short pieces, connections, check-nuts, caps, plugs, diminishing pieces and flanges etc as in pole, crossing of roads, laid in trenches, fixed on walls for cable protection etc. complete after taking down old unserviceable GI tubing of 40mm dia with fittings in trenches/floor/fixed to pole for earth protection all as specified and directed.

S&F for test point terminal block made of gun metal or phosphorus bronze size 75 mm x75 mm x 25mm drilled and screwed including 3 nos. 8mm dia 25mm long hexagonal. head screw including 2 mm thick MS box of suitable size for protection of test box terminal duly locking arrangement including connection to condutor and earth strip /wire after taking down of old unserviceable test point terminal box of any type and size complete all as specified and directed by Engineer-In-Charge.