REPAIR REPLACEMENT MAINT OF CONVENTIONAL AND CHEMICAL EARTHING SYSTEM ALONGWITH CONNECTED ITEMS AT AF STN BHISIANA

Amount

Dismantling of old Unserviceable Earthing complete with accessories complete all as specified and directed by Engr-in-Charge

M&L for Design, development, supply commissioning and testing EHCC certified ground tubular effective chemical earthing system (CPRI tested for 15 KA current capacity for LT Iine) highly anticorrosive long life electrode with and including adequate protective coating to withstand servere weather conditions in the earth pit of the standard size comprising of 40mm x 3m Long Copper rod as primary conductor and hollow copper tube of 80mm x 3m long as secondary conductor to install with suitable connecting terminal confirming of IS 3043 : 1987 specification, highly conductive packing material to be filled in earth pits for providing uniform, low resistivity anticorrosive, hygroscopic medium around the earth system for improving the efficiency of current dissipation with crystalline conductive mixture (CCM) 20 Kg per bag (3 bag per kit) minimum or sufficient quanitities required as per site complete including RCC earthing pit cover , material and labour complete all as specified and as directed by Engr in Charge.

M&L Earthing complete with galvanized steel earth plate electrode 600mmx600mmx6mm thick buried directly in ground(earth) pit not less than 2.25 meter deep below normal ground level) with top edge of earth plate not less than 1.5 metres below normal ground level, connected to galvanised earth lead wire 4.0mm dia by means of bolts, nuts check nuts and washers of galvanized iron or steel all as shown in electrical palte No 3 of SSR Pt-I connected earthing test point/panel all as specified including GI PCC earth chamber using PCC(1:3:6) Type C-2 using, graded stone aggregate, 50mm thick cast iron frame with CI cover, funnel and wire in mesh excavation and earth work complete all as specified and directed by Engr-in-Charge. Note: Pipe/strip upto 7.5 mtrs also included in quoted rate

M & L Earthing complete with galvanized steel earth plate electrode 600mmx600mmx6mm thick buried directly in ground(earth) pit not less than 2.25 meter deep below normal ground level) with top edge of earth plate not less than 1.5mtr below normal ground level connected to galvanized earth strip of size 25 mm x 4 mm by means of bolts, nuts check nuts and washers of galvanized iron or steel all as shown in electrical palte No 3 of SSR Pt-I connected earthing test point/panel all as specified including PCC earth chamber using PCC(1:3:6) Type C-2 using, graded stone aggregate,50mm thick cast iron frame with CI cover, funne and wire in esh excavation and earth work complete all as specified and directed by Engr-in-Charge. Note: Pipe/strip upto 7.5 mtrs also included in quoted rate

M&L for Earthing complete with copper plate 60×60cm ×3.15mm thick electrode, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to 20×3 mm copper strip by means of bolts, nuts check nuts and washers of galvanized iron or steel all as shown in electrical palte No 5 of SSR Pt-I connected earthing test point/panel all as specified including PCC earth chamber using PCC(1:3:6) Type C-2 using, graded stone aggregate,50mm thick cast iron frame with CI cover, funne and wire in esh excavation and earth work complete all as specified and directed by Engr-in-Charge. Note: Pipe/strip upto 7.5 mtrs also included in quoted rate

M&L for Borewell Earthing by drilling 6" dia bore hole with DTH bore machine and in any type of strata providing 50 mm dia medium duty GI pipe duly drilled all around 15mm dia hole at a distance of 200mm from hole to hole upto 30 meter depth and providing charcol/ salt mixture all around the pipe and connecting top edge of pipe with galvanised earth strip of size 32 x 6mm upto 7.5 meter upto test point including PCC earth chamber using PCC(1:3:6) Type C-2 using, graded stone aggregate,50mm thick cast iron frame with CI cover, funnel and wire in esh excavation and earth work complete all as specified and directed by Engr-in-Charge Note :- Quoted rated are deemed to include suitable size PCC pit cast iron frame with CI cover, funnel of suitable size and providing 6" dia MS pipe medium grade upto 3 mtr depth from top level, Earth results should not be more than 1 (one ) Ohm.

M&L for Borewell Earthing by drilling 6" dia bore hole with DTH bore machine and in any type of strata providing 50 mm dia medium duty GI pipe duly drilled all around 15mm dia hole at a distance of 200mm from hole to hole upto 25 meter depth and providing charcol/ salt mixture all around the pipe and connecting top edge of pipe with galvanised earth strip of size 32 x 6mm upto 7.5 meter upto test point, complete all as specified including PCC earth chamber using PCC(1:3:6) Type C-2 using, graded stone aggregate,50mm thick cast iron frame with CI cover, funne and wire in esh excavation and earth work complete all as specified and directed by Engr-in charge Note :- Quoted rated are deemed to include suitable size PCC pit cast iron frame with CI cover, funnel of suitable size and providing 6" dia MS pipe medium grade upto 3 mtr depth from top level, Earth results should not be more than 1 (one ) Ohm.

Taking down carefully copper / Aluminium strip including (porcelin cleat, PCC slabs, nuts and bolts complete etc) removing materials from site and making good disturbed surfaces of ground, walls, roofs etc all as specified and directed by Engr-in-Charge

M&L for Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required of size 20x3 mm copper strip all as specified and directed by Engr-in-Charge.Note Porcelin cleat and PCC slab deemed tobe included in quoted rate

All as per item No 08 above but for GI strip of size 25x4 mm all specified and directed by Engr-in-Charge

All as per item No 08 above but for Al strip of size 25x3 mm all specified and directed by Engr-in-Charge

All as per item No 08 above but for copper strip of size 32x6 mm all specified and directed by Engr-in-Charge

M&L for Earth pit cover bucket type Red or Green all as specified and directed by Engineer-in-charge

M&L for precast earthing RCC pit with cover plate of standard size duly painted in Red or Green all as specified and directed by Engineer-in-charge

M&L for CI plate triangular plate with 500 mm long spike for writing earthing name and value all as specified and directed by Engineer-in-charge

M&L for Providing,PCC 1:3:6 type C-1 using 20 mm graded stone aggreat,for damaged earth pit chamber with fair finish internal surface of concrete chamber of earth complete all as specified and directed by Engineer-in-charge.

S&F rubber insulation mat of size 1 x 2 mtr 3.5 mm thick red/blue only colour ISI marked embozzed for up to 66 KV as per latest IS1 5652:2006 complete all as specified and as directed by Engineer-in-Charge.

S&F rubber insulation mat of size 1 x 2 mtr wide 2 mm thick red/blue colour ISI marked embozzed for up to 11 KV as per latest IS 5652:2006 complete all as specified and as directed by Engineer-in-Charge.

Supply and fix cable duct cover made of iron of size 320mm x 800 mm of thickness 3.0 mm all as specified and as directed by Engineer-in-charge by Engineer-in-charge.

M&L for Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hex. head screw including necessary cutting and welding wk as directed by Engr In Charge

Dismantling of old air termination rod of any type complete with accessories all as directed by Engr-in-Charge

Refixing of air termination rod obtained from dismantling after stretching, cleaning all as specified and directed by Engr-in-Charge

S&F air termination copper rod 12 mm dia 300 mm long in replacement complete all as specified and directed by Engr-in-charge

S&F air termination single pointed aluminium rod 12 mm dia 300 mm long in replacement complete all as specified and directed by Engr-in-charge

M&L for Relaying of GI strips obtained from taking down complete after stretching , bent to straight including providing porcelin cleat, brazing , nuts bolts where as required all as specified and directed by Engr-in-charge

M&L for Relaying of copper strips obtained from taking down complete after stretching , bent to straight including providing porcelin cleat, brazing , nuts bolts where as required all as specified and directed by Engr-in-charge

S&F Epoxy based insulator of different shape size suitable for fixing GI/ Copper strip all as specified and as directed by Engineer-in-Charge

Supply and fix including taking down LED garden light fitting of 9 watt or higher in stainless steel housing with clear acrylic cover in top section with IP 43 protection including making suitable PCC foundation and all electrical connection complete all as directed by Engr-in-Charge. Make :- Havells, crompton , Bajaj

Supply and fix including taking down outdoor decorative LED Post top lantern with LED bulb 7.5 watt or higher with spun aluminium die cast Housing cum heat sink PMMA diffuser in IP65 complete all as specified and directed by Engr-in-Charge.

S& fixing LED flood light luminarie 70 W with high pressure die cast housing acting as heat sink in order to ensure better performance having IP66 ingress protection all as specified ad as directed by Engineer-in-cahrge at site. Note : All T&P ie ladder,Tools,Safty glooves etc will be provided by the contractor without any extra cost to height upto 25 mtr, complete all as specified and directed by Engineer in Charge.

M&L Submain wiring with 2 runs of copper conductor FRLS PVC insulated unsheathed cable 1100 volt grade 4 sqmm drawn through PVC conduit medium grade ISI marked 25mm dia as per IS specification fixed concealed in wall/ceiling including conduit and conduit accessories and incl provn of PVC insulated 2.5 Sqmm multistranded copper conductor as earth continuity conductor connected to earth dolly all as specified including dismantling old and making good to the disturbed surface by plastering and two coat of distamper all as directed at site Note : Two runs of 4 sqmm cable alongwith one run of 2.5 Sqmm PVC insulated unsheathed copper conductor as earth wire, conduit and conduit accessories will be measured as one length.

M&L Submain wiring with 2 runs of copper conductor FRLS PVC insulated unsheathed cable 1100 volt grade 6 sqmm drawn through PVC conduit medium grade ISI marked 25mm dia as per IS specification fixed concealed in wall/ceiling including conduit and conduit accessories and incl provn of PVC insulated 2 Sqmm multistranded copper conductor as earth continuity conductor connected to earth dolly all as specified including dismantling old and making good to the disturbed surface by plastering and two coat of distamper all as directed at site Note : Two runs of 6 sqmm cable alongwith one run of 4 Sqmm PVC insulated unsheathed copper conductor as earth wire, conduit and conduit accessories will be measured as one length.

M&L for Providing Display board of size 1m x 1m x1 cm madeup with acrylic sheet material consisting of "First Aid discription with pictures " in Capital Letter at the Top complete with fixing arrangements to the wall all as specified and directed.

M&L for providing Display board of size 1m x 1m x1 cm madeup with acrylic sheet material consisting of "First safety instruction with fire extenguishing methods with pictures " in Capital Letter at the Top complete with fixing arrangements to the wall all as specified and directed.

M&L for providing Display board of size 1m x 1m x1 cm madeup with acrylic sheet material consisting of "Safety instruction in case of electric shock with fire extenguishing methods with pictures " in Capital Letter at the Top complete with fixing arrangements to the wall all as specified and directed.

REYANSH GARG AND COMPANY (BID ID -3114474)

GUPTA AND ENGINEERS (BID ID -3110123)

M/s Luxmi Constructions (BID ID -3106445)

SWARN SINGH AND CO. (BID ID -3115836)

M/s BALDEV SINGH (BID ID -3109779)

M/s Kamal Builders (BID ID -3113352)

Rasvinderpalandco (BID ID -3109586)