Tender For Repair/Replacement Of Conventional Earthing/Chemical Earthing, Brazing Work Of Strip, Replacement Of Unsv Spd,S Etc Alongwith Certain Allied Work At Af Stn Nathatop
Tender Value
Ref. Documents
Estimated cost
Bid Submission
03 Sep 2026
5 days left
EMD
90000
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Udhampur → Jammu and Kashmir
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Repair/Replacement Of Conventional Earthing/Chemical Earthing, Brazing Work Of Strip, Replacement Of Unsv Spd,S Etc Alongwith Certain Allied Work At Af Stn Nathatop
BOQ
| Sl. No. | Item Description |
| 1 | M&L Repairing/recharging to existing defective chemical earthing comprising copper earth plate electrode 900 x 600 x 5 mm by taking out carefully earth plate, watering pipe, protection pipe and re-buried the same after removing sludge from the plate and pipes. The earth plate shall be buried directly in ground with top edge of earth plate not less than 1.50 m below normal ground level, connected to copper earth strip any size by means of nut-bolts, check nuts and washers of galvanised iron or steel all as shown on electrical plate No. 3 of MES schedule 2009, Part–I (Specifications) and other end connected to main switch board / main DB’s / earthing test point testing of earthing on completion of job complete all as specified and directed. |
| 2 | Repairing to existing defective copper earthing comprising conventional copper earth plate electrode 600 x 600 x 3.15 mm by taking out carefully earth plate, watering pipe, protection pipe and re-buried the same after removing sludge from the plate and pipes. The earth plate shall be buried directly in ground with top edge of earth plate not less than 1.50 m below normal ground level, connected to copper earth strip any size by means of nut-bolts, check nuts and washers of galvanised iron or steel all as shown on electrical plate No. 3 of MES schedule 2009, Part–I (Specifications) and other end connected to main switch board / main DB’s / earthing test point testing of earthing on completion of job complete all as specified and directed. |
| 3 | M&L Repairing/recharging to existing defective GI earthing comprising GI earth plate electrode 600 x 600 x 6 mm by taking out carefully earth plate, watering pipe, protection pipe and re-buried the same after removing sludge from the plate and pipes. The earth plate shall be buried directly in ground with top edge of earth plate not less than 1.50 m below normal ground level, connected to GI earth wire or GI earth strip any size by means of nut-bolts, check nuts and washers of galvanised iron or steel all as shown on electrical plate No. 3 of MES schedule 2009, Part–I (Specifications) and other end connected to main switch board / main DB’s / earthing test point testing of earthing on completion of job complete all as specified and directed.Note on item No 1 to 3 (i) Necessary eath work will be measured and paid seperately.(ii) Material like, salt charcoal, protection pipe, funnel and earth plate will be measured and paid seperately(iii) Copper earth plate shall be measured and paid seperately. |
| 4 | Supply only following parts required for recharging of earthing strip complete all as specified and directed. |
| 5 | Supply only Copper plate of size 900 mm x 600 cm x 3.15 mm including nut, bolt, washers made of copper alloy complete all as specified and directed by Engr-in-Charge |
| 6 | Supply only Copper plate of size 600 mm x 600 cm x 3.15 mm including nut, bolt, washers made of copper alloy complete all as specified and directed by Engr-in-Charge |
| 7 | Supply only GI plate of size 600 mm x 600 cm x 6.00 mm including nut, bolt, washers made of copper alloy complete all as specified and directed by Engr-in-Charge |
| 8 | Supply only salt commercial for the earth pit all as specified and directed |
| 9 | Supply only charcoal dust for the earth pit all as specified and directed. |
| 10 | Supply only 15 mm dia of GI tubing, light grade with all fittings including fixing arrangement with screws, reducer and clamps fasnig as protection of wire complete all as specified and directed. |
| 11 | Supply only 40 mm dia of GI tubing, light grade with all fittings including fixing arrangement with screws, reducer and clamps fasnig as protection of wire complete all as specified and directed. |
| 12 | M & L for replacement of copper chemical earthing comprising of copper earth plate electrode 900 mm X 600 mm X 3.15 mm thick buried directly in ground (earth pit not less than 2.25 m below ground level) with top edge of earth plate not less than 2.25 m below normal ground level, below normal ground level, earth plate surrounded from all sides by 20 cm thick salt and charcoal dust and Magnisium sulphate filling in alternate layers of 20 cm thick up to 1.8 metres height and including connected to copper strip 20 x 3 mm (upto 7.5 Metres) by means of brazing / coppers nut-bolts, earth strip protected with 65 mm bore light grade pipe from electrode and upto, 15 mm bore watering pipe light grade GI funnel, wire mesh, earth plate surrounded from all sides by 20 cm thick salt in appropriate, charcoal dust in appropriate and Magnisium sulphate in appropriate, filling in each alternate layers complete all as specified and directed. |
| 13 | M & L for replacement of copper chemical earthing comprising of copper earth plate electrode 600 mm X 600 mm X 3.15 mm thick buried directly in ground (earth pit not less than 2.25 m below ground level) with top edge of earth plate not less than 2.25 m below normal ground level, below normal ground level, earth plate surrounded from all sides by 20 cm thick salt and charcoal dust and Magnisium sulphate filling in alternate layers of 20 cm thick up to 1.8 metres height and including connected to copper strip 20 x 3 mm (upto 7.5 Metres) by means of brazing / coppers nut-bolts, earth strip protected with 65 mm bore light grade pipe from electrode and upto, 15 mm bore watering pipe light grade GI funnel, wire mesh, earth plate surrounded from all sides by 20 cm thick salt in appropriate, charcoal dust in appropriate and Magnisium sulphate in appropriate, filling in each alternate layers complete all as specified and directed. |
| 14 | M & L for replacement of copper conventional earthing comprising of copper earth plate electrode 600 mm X 600 mm X 3.15 mm thick buried directly in ground (earth pit not less than 2.25 m below ground level) with top edge of earth plate not less than 2.25 m below normal ground level, below normal ground level, earth plate surrounded from all sides by 20 cm thick salt and charcoal dust and Magnisium sulphate filling in alternate layers of 20 cm thick up to 1.8 metres height and including connected to copper strip 20 x 3 mm (upto 7.5 Metres) by means of brazing / coppers nut-bolts, earth strip protected with 65 mm bore light grade pipe from electrode and upto, 15 mm bore watering pipe light grade GI funnel, wire mesh, earth plate surrounded from all sides by 20 cm thick salt in appropriate, charcoal dust in appropriate and Magnisium sulphate in appropriate, filling in each alternate layers complete all as specified and directed. |
| 15 | Dismantling the existing earthing pit chamber made of PCC 1:2:4 type B-I (using 20 mm graded crushed stone aggregate) and cleaning the area including removal of broken PCC/excavated material 50 mtr away from site all as specified and as directed by Engr-in-Charge. |
| 16 | Supply only cement concrete earth pit chamber in PCC 1:3:6, type C-1, 450 X 450 X 50 mm thick with fair finished concrete surfaces including necessary formwork and earth work as required/ordered at site, complete all as specified and as directed. |
| 17 | Supply only Pre-cast RCC Cover with Handle 2 Nos and hole of dia 40mm in Cement Concrete 1:2:4 (20mm graded stone aggregate) of size 540x540x60mm, reinforced with and including 10mm dia TMT Bars @ 250mm Centre to Centre in both ways, complete all as specified and as directed. |
| 18 | Supply only CI funnel made as specified in SSR Part -I electrical plate No 3 fixed with GI pipe of watering by welding or threading etc including taking down old unserviceable complete all as specified and as diirected. |
| 19 | M&L for Painting of old existing cement concerete earth pit chamber in colour code as white for convintional, yellow for copper conventional and red for chemical including preparation of surface , removal of dust etc and applying two coat of suitable paint complete all as directed by Engr-in-Charge. |
| 20 | S&F in repair as new test point terminal block made of gun metal or phosphorus bronze size (75x75x25)mm drilled and screwed including 3 nos. 8mm dia 25mm long hex head screws for holding the bronze plate including fastening/ bolting the roof down conductor and earth electrode over the bronze plate with copper bolts & nuts of suitable size, providing 10mm thick fibre sheet of size (15x15)cm below the test point to avoid direct contact with wall including enclosing the test point with 1.6mm thick MS sheet front openable box duly painted complete all as specified and as directed. |
| 21 | S & F Digital grounding system Three phase 240 KA with inbuilt low impedance grounding system 100% lightning & surge protection and static charges, noises, ESD, EPR and abnormal lines, ensuring clear bonding potential between earth - Neutral less than 1.0 V to be connected in parallel to the circult as per IEC guidelines.Maximum Continous operating Voltage (uc) 275 Volts (L1-N, L2-N & L3-N, 255 Volts (N-G). Maximum Surge handing capacity 240 KA (8/20 micro seconds). Mode of protection (3 Phase, 4 wire) L1-N, L2-N, L3-N, L1-G, L2-G, L3-G & N-G. Maximum discharge current ) 40 KA each mode. Nominal discharge current 10 Ka each mode. Short circuit withstand current 10 KA. Residual current 0.001 Amps. Residual voltage with 8/20 us 1.59 KV (L-N) & 1.06 (N-G) with 8/20 micro sec. CE Approved and CPRI Tested. Surge Monitor with LCD counter. Status indication LED indication. Operating temprature -40 to + 80 degree C.The Digital ground system shall confirm to Iec 61643/61000.Make Ennob/Nextechno Gen Pvt Ltd /Dhurva/DSS or equivalent as approved by GE.Note : The same is istalled in replace of old unserviceable GI/Copper earthing taking into credit |
| 22 | 1. Supply and fixing in repair of THOR safe lightening Protection Rod, with side flash capture head (SLPH), ICMET certified confirming to NFC 17-102, CPRI certified for 40KA which is a free standing mast of appx 4.5 mtr height made of stainless steel, free standing OD 77mm, thickness 3.2 mm, base plate hole M16 12 Nos, to with stand wind speed of 180 KM/Hr and mast coupler, accessory box with in-built bus bar insulator and base plate for fixing on foundation using stainless steel nuts and bolts. The contractor shall provide down conductor of 70 qmm copper cable properly thimbled with copper lugs on both sides from mast to earthing test point including dismantling the existing unserviceable.Note: Down conductor shall be measured and paid for seprately under relevant item of BOQ |
| 23 | Supply and fixing (Lightening impulse counter Electromechanical) for counting surge impulse complete all as specified and as directed by Engr-in-Charge.Make THOR/TRUE POWER/G.S. POWER. |
| 24 | M&L for taking out loose/displaced Serviceable existing Aluminium Strip/ Copper Strip/ GI Strip of any size and make or any description including all accessories and refixing the same with necessary Fixing Arrangement like screws, saddles, nuts and bolts, complete all as specified and as directed.NOTE : (i) Cost of Screws, Saddles, Nuts and Bolts of copper/brass, etc. will deemed to be included in the Quoted Unit Rate.(ii) If T&P like hydra and other equipment required at site of building above 10 mtr height shall be measured and paid seperately. |
| 25 | Material and Labour for earth continuity conductor or main galvanised iron rarth strip of size 32 x 6 mm burried in ground, fixed to wall, any other indicated situation for loop earthing and the like upto test point on necesarry insulators and fastning screws, rawl plugs complete all as specified and directed. |
| 26 | All as per item No. 18.00 hereinbefore but copper stip of size 20 x 3mm complete all as specified and directed |
| 27 | All as per item No. 18.00 hereinbefore but copper stip of size 32 x 6 mm complete all as specified and directed |
| 28 | All as per item No. 18.00 hereinbefore but aluminium stip of size 25 x 3 mm complete all as specified and directed |
| 29 | S & F of 25 mm dia of GI tubing, light grade with all fittings including fixing arrangement with screws, reducer and clamps fasnig as protection of wire on wall/ roof with suitable type of clamp and proper fixing of insulator up to 15mtr building height etc complete all as specified and directed. |
| 30 | S & F of 25 mm dia of GI tubing, medium grade with all fittings including fixing arrangement with screws, reducer and clamps fasnig as protection of wire on wall/ roof with suitable type of clamp and proper fixing of insulator up to 15mtr building height etc complete all as specified and directed. |
| 31 | S & F of 40 mm dia of GI tubing, light grade with all fittings including fixing arrangement with screws, reducer and clamps fasnig as protection of wire on wall/ roof with suitable type of clamp and proper fixing of insulator up to 15mtr building height etc complete all as specified and directed. |
| 32 | S & F of 40 mm dia of GI tubing, medium grade with all fittings including fixing arrangement with screws, reducer and clamps fasnig as protection of wire on wall/ roof with suitable type of clamp and proper fixing of insulator up to 15mtr building height etc complete all as specified and directed. |
| 33 | S & F of 50 mm dia of GI tubing, light grade with all fittings including fixing arrangement with screws, reducer and clamps fasnig as protection of wire on wall/ roof with suitable type of clamp and proper fixing of insulator up to 15mtr building height etc complete all as specified and directed. |
| 34 | S & F of 50 mm dia of GI tubing, medium grade with all fittings including fixing arrangement with screws, reducer and clamps fasnig as protection of wire on wall/ roof with suitable type of clamp and proper fixing of insulator up to 15mtr building height etc complete all as specified and directed. |
| 35 | S & F High density polyethylene pipes (HDPE)of dia 32 mm as earthing contunuity protection laid in trenches/wall/floor complete all as specified and directed |
| 36 | Cutting grass, removing of surplus of Soil from old existing serviceable earthing chamber pit and aligning in the centre line of earthing strip including taking old and properly filled of soil around chamber and repair of chamber is required at site with PCC 1:3:6, type C-1 complete all as specified and directed |
| 37 | S & F as in replacement single pointed air termination aluminum rod, 12 mm dia and 300 mm long with arrester clamp 12 mm made out of brass/gun metal/screw nut, bolt complete all as specified and drected. |
| 38 | S & F as in replacement single pointed air termination aluminum rod, 12 mm dia and 300 mm long with galvanised iron steel tubing 40 mm bore (dia) 1.5 mtr long light grade with all fittings out of brass/gun metal/screw nut, bolt complete all as specified and drected. |
| 39 | S & F as in replacement single pointed air termination copper rod, 12 mm dia and 300 mm long with arrester clamp 12mm made out of brass/gun metal/screw nut, bolt complete all as specified and drected. |
| 40 | S & F as in replacement single pointed air termination copper rod, 12 mm dia and 300 mm long with galvanised iron steel tubing 40 mm bore (dia) 1.5 mtr long light grade with all fittings out of brass/gun metal/screw nut, bolt complete all as specified and drected. |
| 41 | M&L for quaterly checking of Earth Resistance test of existing Galvanised iron/copper conventional/Chemical Earthing by digital earth tester for getting suitable resistant test complete all as specified and directed by Engr-in-Charge. Note :- (a) Contractor will Check Earth Resistance of test points and will be recorded in Register, same will be put up to the Engineer-in-Charge through concern JE E/M. (b) Necessary T&P will be provided by the Contractor. (Tester should be caliberated from NABL accredited labs). (c) Checking of Earth Pits existing and improve it by watering, adding of chemical etc. (Chemical will be measured and paid separately) (d) Contractor will be responsible for marking of Earth Check date and due date on existing Plate with paint as specified by Engineer-in-Charge. (e) Cost of register for noting earthing results, location wise shall deemed to be included with the unit rate. Proforma of detail column will be printed as per the direction of Engineer-in-charge. (f) The contractor is responsible for mainting the value of chemical earthing as per station norms as directred by Engr-in-Charge. |
| 42 | M&L for supply and pouring of Earth Enhancement Compound after mixing with water tested by NABL accredited lab in compliance to IEC 62561-7 with a resistivity < 0.12 ohm-m. It shall be free from bentonite and other hazardous substances. It shall be a permanent, non-corrosive material and will not leach any chemicals into the ground. It shall retain moisture even in high soil resistivity areas. complete all as specified and as directed.Note: Measurement of Chemical will be done in Powder form. |
| 43 | Taking down old unserviceable of any type of earthing marker and Supply and fixing of Earthing identifier marker of size 25x25 mm flat iron and 5 mm thick length of flat iron 75 cm long which is 60 cm FI above the Ground level and 15 cm length FI below the Ground level and fixed with PCC 1:2:4 (12.5 mm graded aggregate) in post holes and the TOP of the flat iron arabolic/ semicirculer/ traingular/rectangular shape MS plate 1.6 mm thick of size 30 cm width and 20 cm height to welded/fixing to the flat iron including two coat of synthetic enamel paint over a coat of primer on steel surface cutting for Equipment Earthing/Lighting Earthing/L2 Earthing etc complete all including Earth Plate No/Description of Earthing/Type of Earthing on Plate with white paint including earth plate no and earthing resistance with earthing check date and earthing check due date complete all specified and directed by Engineer in charge. |
| 44 | Taking down existing hanging, broken, and delocation of air termination copper/Aluminium rod of any make and size from roof of existing buildings height upto 15 metres from buildings and refixing the same after repair including brazing,nuts, bolt and insulators complete all as specified and directed. |
| 45 | M&L heavy duty porcelain/poly carbonate insulators of size 32 x 32mm to be fixed on wall/roof/pipe for laying of copper strip as roof/down conductor on building of height between upto 25 metres including nuts & bolts of brass of appropriate size including taking down old unserviceable one. all as specified and as directed by Engr-in-Charge |
| 46 | M&L for down conductor using 16 sqmm single core copper cable both ends thimbled properly with copper Lugs including taking down complete all as specified and directed. |
| 47 | M&L for down conductor using 25 sqmm single core copper cable both ends thimbled properly with copper Lugs including taking down complete all as specified and directed. |
| 48 | M & L for brazing work with copper brazing alloy rod with help of oxygen and LPG cylinder using required copper strip of size 20 mm x 3mm upto 30 cm length along with cleaning work of strip with descaling solution/emery paper which are laid as roof/down conductor on any height of building up to 15 mtr building height complete all as specified and directed by Engr-in-Charge. |
| 49 | M & L for brazing work with copper brazing alloy rod with help of oxygen and LPG cylinder using required copper strip of size 25 mm x 3mm upto 30 cm length along with cleaning work of strip with descaling solution/emery paper which are laid as roof/down conductor on any height of building up to 15 mtr building height complete all as specified and directed by Engr-in-Charge. |
| 50 | M & L for brazing work with copper brazing alloy rod with help of oxygen and LPG cylinder using required copper strip of size 32 mm x 6 mm upto 30 cm length along with cleaning work of strip with descaling solution/emery paper which are laid as roof/down conductor on any height of building up to 15 mtr building height complete all as specified and directed by Engr-in-Charge. |
| 51 | M & L for brazing work with GI brazing alloy rod with help of oxygen and LPG cylinder using required galvanised strip of size 20 mm x 3 mm upto 30 cm length along with cleaning work of strip with descaling solution/emery paper which are laid as roof/down conductor on any height of building up to 15 mtr building height complete all as specified and directed by Engr-in-Charge. |
| 52 | M&L for T&P for laying/rectification of earthing strip, termination of rod and brazing of any capacity up to 20 Mtr height of buildings with T&P like ledder or hydra and other required at site complete all as specified and directed Note : (i) T&P like hydra ond other if required at site shall be included in the quated rate.(ii) The bidders are requested to pruduce vehicle BA No/Chasis No & gate pass with date at the time of pricessing of RAR. |
| 53 | All as per item No 45.00 herein before but capacity up to 30 Mtr height of building including fixing arragement complete all as specified and directed. |
| 54 | Excavation in trenches in any type of soil not exceeding 1.5 mtr deep and not exceeding 1.5 mtr wide for laying of cables, RCC poles/stays and struts etc or /getting out cable cover and stacking for reuse/ credit , trimming sides and forming bottom surface all as specified and directed at site. |
| 55 | Returning, filling in including spreading, levelling, watering and well ramming in layers not exc 25 cm in soft/loose soil complete all as specified and directed. |
| 56 | Removing surplus excavated soil nexc 50 mtr and depositing where directed at a level n-exc 1.5 mtr above the starting point complete all as specified and directed. |
| 57 | Material and labour for soft/loose natural soil low resitivity suitable for Earthing along with filling,spreading at site all as specified as and as directed by Engr-in-Charge. |
| 58 | M&L for Construction of copper bus bar not less than 80 mm x6 mm duly fabricated including drilling of holes with fastern in wall/roof complete all as specified and directed. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Aug 12, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedSep 03, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 5 daysSep 05, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 7 daysTender Documents
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