Tender For Repair, Maintenance And Renewal Of Earthing Pits, Servo Voltage Stabilizer, Comprehensive Maintenance Of Dg Sets And Fire Alarm Under Ge (Af) Mohanbari
Tender Value
45 Lakhs
Estimated cost
Bid Submission
03 Sep 2026
6 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
Dibrugarh → Assam
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Repair, Maintenance And Renewal Of Earthing Pits, Servo Voltage Stabilizer, Comprehensive Maintenance Of Dg Sets And Fire Alarm Under Ge (Af) Mohanbari
BOQ
| Sl. No. | Item Description |
| 1 | Taking out old unserviceable earthing pit of any type complete with connected accessories including dismantling and removing materials from work site complete all as specified and directed. |
| 2 | M&L for earthing complete with copper plate 600mm x 600mm x 3.15mm thick electrode and 20mm x 3mm copper strip as earthing lead burried directly in ground vertically (earth pit not less than 2.25mtr deep below ground level) with top edge of the plate not less than 1.5mtr below normal ground level, the earth plate surrounded by adequate quantity of charcoal dust and common salt to a packed thickness of 15 cm on all sides connected to copper strip 20 x 3mm as earth lead by means of tinned copper/ brass bolts, nuts, check nuts and washers (including brazing) connected to main switch board / panel/ test point at the other including necessary earth work in any type of soil, returning filling in and removal of surplus soil, concrete pit in PCC (1:3:6) type C1, pre cast RCC 1:2:4 type BI cover slab 54cm x 54cm x 5cm reinforce with 8mm dia bar TMT @150mm centre to centre both ways with one handle for lifting made out 8mm dia MS bar with wire mesh funnel, 20mm GI tubing medium grade for watering and 40mm GI tubing light grade for protection, test point, testing on completion all as shown in Electrical Plate No 3 of SSR Part-I complete all as specified and directed. |
| 3 | M&L for earthing complete with galvanised steel earth plate 600mm x 600mm x6.3mm thick elecrode and 32mm x 6mm galvanised iron strip as earthing lead burried directly in ground vertically (earth pit not less than 2.25mtr deep below ground level) with top edge of the plate not less than 1.5mtr below normal ground level, the earth plate surrounded by adequate quantity of charcoal dust and common salt to a packed thickness of 15 cm on all sides connected to GI strip 32mm x 6mm as earth lead by means of bolts, nuts, check nuts and washers (including welding) of galvanised iron or steel and connected to main switch board / panel/ test point at the other including necessary earth work in any type of soil, returning filling in and removal of surplus soil, concrete pit in PCC (1:3:6) type C1, pre cast RCC 1:2:4 type BI cover slab 54cm x 54cm x 5cm reinforce with 8mm dia bar TMT @150mm centre to centre both ways with one handle for lifting made out 8mm dia MS bar with wire mesh funnel, 20mm GI tubing medium grade for watering and 40mm GI tubing light grade for protection, test point, testing on completion all as shown in Electrical Plate No 3 of SSR Part-I complete all as specified and directed. |
| 4 | M&L for earthing complete with galvanised steel earth plate 600mm x 600mm x6.3mm thick elecrode and 4mm galvanised iron/GI wire as earthing lead burried directly in ground vertically (earth pit not less than 2.25mtr deep below ground level) with top edge of the plate not less than 1.5mtr below normal ground level, the earth plate surrounded by adequate quantity of charcoal dust and common salt to a packed thickness of 15 cm on all sides connected to GI wire of 4mm dia earth lead by means of bolts, nuts, check nuts and washers (including welding) of galvanised iron or steel and connected to main switch board / panel/ test point at the other including necessary earth work in any type of soil, returning filling in and removal of surplus soil, concrete pit in PCC (1:3:6) type C1, pre cast RCC 1:2:4 type BI cover slab 54cm x 54cm x 5cm reinforce with 8mm dia bar TMT @150mm centre to centre both ways with one handle for lifting made out 8mm dia MS bar with wire mesh funnel, 20mm GI tubing medium grade for watering and 40mm GI tubing light grade for protection, test point, testing on completion all as shown in Electrical Plate No 3 of SSR Part-I complete all as specified and directed. |
| 5 | Taking out of old air termination rod of any type and any size from building including dismantling and removing (except serviceable strips for re-fixing) materials from work site complete all as specified and directed. |
| 6 | S&F for air termination single pointed, copper rod 12mm dia and 300 mm long fixed on galvanised iron pipes with copper/ aluminium/ GI strip for earth conductivity to ground complete all as specified and directed. Note: MS /PCC work shall be measured and paid seperately. |
| 7 | S&F for air termination single pointed, aluminium rod 12mm dia and 300mm long fixed on galvanised iron pipes with copper/ aluminium/ GI strip for earth conductivity to ground complete all as specified and directed. Note: Pipe/ PCC work shall be measured and paid seperately. |
| 8 | Refixing of old serviceable tilted air termination rod of any size and type after straightening & dressing with and including suitable nut, bolts and washers to earth strip complete all as specified and directed.Note: Pipe/ PCC work shall be measured and paid seperately). |
| 9 | Taking down old Copper/ GI/ Aluminium Strip of any size and any type from building/hangar (roof/down conductor)/ pipe/ trench including dismantling and removing (except serviceable strips for re-fixing) materials from work site complete all as specified and directed. |
| 10 | SS&F for copper strip 20mm x 3mm with fixing screws for conductors/ earth lead including brazing and nut bolts jointing at all joints for building/ equipment laid through pipe/ trench/ surface complete all as specified and directed. |
| 11 | S&F for galvanised iron strip 32mm x 6mm with fixing screws for conductors/ earth lead including welding and nut bolts jointing at all joints for building/ equipment laid through pipe/ trench/ surface complete all as specified and directed. |
| 12 | S&F for aluminium strip 25mm x 3mm with saddles/ insulators and fixing screws for roof/ down conductors/ earth lead including brazing and nut bolts jointing at all joints for building/ hangar (roof/ down conductor)/ pipe/ trenchcomplete all as specified and directed. |
| 13 | S&F for GI earthing continuty conductor wire of 4mm dia with saddles/ insulators and fixing screws for roof/ down conductors/ earth lead including brazing and nut bolts jointing at all joints for building/ hangar (roof/ down conductor)/ pipe/ trench complete all as specified and directed. |
| 14 | Re-fixing of old serviceable (serviceable strips as obtained from taking down) Copper/ GI/ Aluminium Strip of any size and type after straightening & dressing with and including saddles/ insulators with srews for fixing and making good disturbed strip complete all as specified and directed. |
| 15 | Taking out of old unserviceable test point terminal block of any type and any size including dismantling and removing materials from work site complete all as specified and directed. |
| 16 | S&F for gun metal black or phosphorgus bronz size 75mm x 75mm x 25mm drilled screwed including 3 Nos, 8mm dia and 25mm long neckhead screws including MS box 2mm thick of suitable size for protection of test point terminal complete all as specified and directed. |
| 17 | S&F in replacement of saddle/insulator for earth strip with fixing arrangement in roof/ wall conductors of building/ hangar complete all as specified and directed. |
| 18 | M&L for brazing of broken/ loose connected copper strip of any size and type not exceeding 3.2 cm in length and not exceeding 6 mm in thickness including bringing of necessary machine at site complete all as specified and directed. |
| 19 | M&L for brazing of broken/ loose connected aluminium strip of any size and type not exceeding 3.2 cm in length and not exceeding 6 mm in thickness including bringing of necessary machine at site complete all as specified and directed. |
| 20 | M&L for welding of broken/ loose connected GI strip of any size and type not exceeding 3.2 cm in length and not exceeding 6 mm in thickness including bringing of necessary machine at site complete all as specified and directed. |
| 21 | Taking out old unserviceable GI tubing of 20/ 40mm bore any type from trenches/ floor/ roof/ wall/ fixed to pole including dismantling and removing materials from work site complete all as specified and directed. |
| 22 | Supply and fixing GI tubing 20mm bore (Medium grade) in trenches/ floor/roof/ wall/ fixed to pole with proper size of clamp nuts and bolts complete all as specified and directed. |
| 23 | Supply and fixing GI tubing 40mm bore (Light grade) in trenches/ floor/ roof/ wall/ fixed to pole with proper size of clamp, nuts and bolts for earth strip protection/ lightening conductors/ rod complete all as specified and directed. |
| 24 | Supply and fixing in replacement of GI water tap 15 mm with all fittings complete all as specified and directed. |
| 25 | Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth for laying of pipe/ cable or other items and getting out soil in soft/loose soil complete all as specified and directed. |
| 26 | Removing excavated material not exceeding 50 mtr and depositing where directed in a level not exceeding 1.5 mtr above the starting point of any type of soil complete all as specified and directed. |
| 27 | Returning filling in including spreading levelling watering and well ramming in layers not exceeding 25 cm complete all as specified and directed. |
| 28 | Supply and fixing in replacement of GI funnel with wire mesh for earting pits of existing size complete all as specified and directed. |
| 29 | M&L for dismantling of PCC earth pit chamber and making new PCC earth pit chamber of size as per electrical plate No. 3 of SSR-2009 Part-I with PCC (1:2:4) type B1 with pre cast RCC 1:2:4 type BI cover slab 54cm x 54cm x 5cm reinforce with 8mm dia bar TMT @150mm centre to centre both ways with one handle for lifting made out 8mm dia MS bar with wire mesh funnel including excavation and earth work as required at site complete all as specified and directed. |
| 30 | M&L for earthing result testing for any type of earthing such as GI plate/copper plate/chemical/bore earthing connected with and for HT panel, LT panel,Equipments, Lightening arrestor, DG sets,Transformer etc in any position and any place under GE (AF) Mohanbari station using Digital Earth meter in 3M method and E-N voltage at main DBs and register the result as per performa provided in earth test register duly signed by JE and Engr in charge complete all as specified and directed. |
| 31 | M&L for painting of Pit cover with synthetic enamel paint as per approved colour code followed in AF Station complete all as specified and directed. |
| 32 | S&F in replacement of cross arms bracing supports clamps and back plates fabricated from structural steel section including nut, bolts, washers, welded, binding, cold as hot drilling holes for bolts in any shape or size as required duly painted with two coats of aluminium paint over a coat of red oxide primer after preparation of surface complete all as specified and directed. |
| 33 | M&L for writing letters or figures (Block, Roman, Italic or Indian) not exceeding 30 cm high as per colour scheme complete all as specified and directed. |
| 34 | M&L for recharging of earthing pits by filling of magnesium sulphate, 100% water soluble fertilizer type in earthing pits complete all as specified and directed.Note:- Recharging materials shall be soluble in water and to be filled/ poured in earth pit after mixing in water in appropriate quantity. |
| 35 | M&L in replacement of recharging of earthing pits by filling of common salt in earthing pits complete all as specified and directed. Note:- Recharging materials shall be soluble in water and to be filled/ poured in earth pit after mixing in water in appropriate quantity. |
| 36 | M&L in replacement and installation of earth electrode as per IS 3043 or latest tested for 254 micron copper bonded low carbon steel pipe of 3 meter long, 50 mm dia with 25 x 3 mm inner copper strip buried directly in ground and tapered at the bottom 175- 200 mm dia digging or auguring of earth to the required depth including provision of HDPE pit cover with minimum 5 KN load capacity chamber with cover including necessary excavation in any type of soil, returning filling in, removal of surplus soil complete all as specified and directed.Note:-(i) Supply of Recharge material ie magnesium sulphate Measured as seperate item. . Please Enable Macros to View BoQ information |
| 37 | M&L in replacement and installation of earth electrode as per IS 3043 or latest tested for 254 micron copper bonded low carbon steel pipe of 3 meter long, 50 mm dia with 25 x 3 mm inner copper strip buried directly in ground and tapered at the bottom 175- 200 mm dia digging or auguring of earth to the required depth including provision of HDPE pit cover with minimum 5 KN load capacity chamber with cover including necessary excavation in any type of soil, returning filling in, removal of surplus soil complete all as specified and directed.Note:-(i) Supply of Recharge material ie magnesium sulphate Measured as seperate item. . Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Aug 14, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedSep 03, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 6 daysSep 04, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 7 daysTender Documents
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