Tender For Refurbishing Of Existing Plate Earthing System With Earth-Mat In Lower Yard At 110Kv Substation, Koppam
Tender Value
25.60 Lakhs
Estimated cost
Bid Submission
01 Sep 2026
11 days left
EMD
50000
Bank guarantee accepted
Document Fee
5900
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Palakkad → Kerala
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Refurbishing Of Existing Plate Earthing System With Earth-Mat In Lower Yard At 110Kv Substation, Koppam
BOQ
| Sl. No. | Item Description |
| 1 | C-202526-3027-4 Hand picking, collecting and stacking the 40mm metal spread in the switch yard at a convenient place in heaps for measurements as per direction of department officers at site.(Up to 50m) |
| 2 | TRS.01.094 Cutting 32mm MS rod in required length etc complete as per the direction of the departmental officers. |
| 3 | TRS.01.097 Bending 32mm MS rod for crossing cable trench/foundations/risers etc. |
| 4 | TRS.01.100 Laying of earth mat of required size as specified using 40/32/25mm MS rod including levelling lowering and placing in trenches, complete as per the direction of departmental officers. |
| 5 | TRS.01.103 Drilling bore holes of sizes 150mm or nearest in all classes of soil including hire charges of plant and machinery, cost of oil, fuel, tool etc. and taking all necessary precautions for safety to the substation equipments etc. as per the direction of departmental officers at site. |
| 6 | TRS.01.101 Driving down the ground electrode upto a depth of 3m from the already taken earth pit as directed by the departmental officers. |
| 7 | TRS.01.104 Welding of overlapping joints for mat,riser lap joints with 32/25mm MS rod placed in trenches, having 150mm in length 6mm in thick on both sides of the rod and both ends of overlapped MS rods with 6mm welding thickness after cleaning the surfaces neatly. Charges includes cost of low hydrogen DC electrode (No. E7018), hire charges of DC arc welding set and tools and plants required, current charges including labour charges for holding MS rod in position and applying two coats of anti corrosive paints at the welded joints etc. complete as per the directions of department officers. |
| 8 | TRS.01.105 Welding the nodal points (cross joints ) in the trenches at two sides to a thickness of 6mm after cleaning the surface neatly. Charges includes cost of low hydrogen DC electrodes (No. E7018), hire charges of DC welding set and tools and plants required, current charges, labour charges for holding MS rod in position and applying two coats of anti corrosive paints at the welded joints etc. complete as per the directions of departmental officers. |
| 9 | TRS.01.106 Welding the ground electrode with the main electrode , after cleaning the surface neatly. Charges includes cost of low hydrogen content DC electrodes (No. E7018), hire charges of DC arc welding set, tools and plants, current charges, labour charges for holding MS rod in position and applying two coats of anti corrosive paints at the welded joints etc. complete as per the directions of departmental officers. |
| 10 | 2.25 : Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundation etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m. |
| 11 | TRS.01.102 Drilling holes and driving down MS ground electrode from the bottom level of trench in all classes of soil including rock etc. complete as per the directions of department officers |
| 12 | C-202526-3027-15 Supply and stacking Stone Aggregate (Single size) : 40 mm nominal size |
| 13 | 15.2.2 : Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in-Charge.Nominal concrete 1:4:8 leaner mix ( including equivalent design mix) |
| 14 | 15.3 : Demolishing R.C.C. work manually / by mechanical means including stacking of steel bars and disposal of unserviceable material with in 50 metres lead as per direction of Engineer -in-Charge. |
| 15 | 15.7.4 : Demolishing brick work manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-Charge.In cement mortar |
| 16 | 15.9.2 : Demolishing stone rubble masonry manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer -in- Charges:In cement mortar |
| 17 | C-202526-3027-3 Conveying of precast RCC slabs of various size manually from stacking place to laying place up to 100m lead etc. complete and laying carefully in position without damaging the edges of slabs as well as cable trench side wall as per directions of Engineer- in - charge |
| 18 | TRS.01.107 Laying of departmentally supplied GI strip/Copper strip of suitable size including cleaning and neatly bending of strips ,cutting, removing of metal/earth in the yard and burying earth strip to the required depth re-doing the yard metalling as per the direction of the departmental officers. |
| 19 | TRS.01.109 Welding overlapping joints of 50x6mm GI strip with 50mm long, 6mm thick welding on all three sides after doing 2 Nos. bolted joints at the centre as specified after cleaning the surface. Charges includes hire charges of DC arc welding set, current charges, cost of low hydrogen content DC arc welding electrodes( No.E7018) cost of anti corrosive paint etc. complete. |
| 20 | TRS.01.108 Welding one end of the bended GI strip of size 50x6mm with the riser of the already laid earth mat, welding 150mm in length, 6mm thick on both sides & end of the strip & other end of the strip with yard structure at 2 points 50mm apart each welding points having 50mm length and 6mm thick on both sides & end of the strip including the charges for connecting the strip with structure using bolted joints as per the directions of the department officers. Charges includes hire charges of DC arc welding set, current charges, cost of low hydrogen content DC arc welding electrodes(No.E7018) cost of anti corrosive paint etc. complete. |
| 21 | TRS.01.110 Welding one end of the bended GI strip of size 50x6mm with the riser of the already laid earth mat, welding 150mm in length, 6mm thick on both sides & end of the strip and connecting other end with nuts & bolts if required as per the directions of the department officers. Charges includes hire charges of DC arc welding set, current charges, cost of low hydrogen content DC arc welding electrodes(No.E7018) cost of anti corrosive paint etc. complete. |
| 22 | SLR_040 Cutting of steel angle in yard structure erection |
| 23 | TRS.01.271 Loading MS / GI materials hardware fittings of line work and clamps for equipments and bus from the place of its storage to department lorry and make it ready for transportation as per the direction of departmental officers. |
| 24 | TRS.01.272 Unloading MS / GI materials, hardware fittings of line work and clamps for equipments and bus from department lorry to substation site and stacking for proper storage as per the direction of departmental officers. |
| 25 | C-202526-3027-5 Spreading 20/40mm stone aggregate in the yard as per the direction of dept. officers at site |
| 26 | 2.8.1 : Earth work in excavation by mechanical means (Hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.All kinds of soil |
| 27 | 2.9.1 : Excavation work by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m.Ordinary rock Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Aug 19, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedSep 01, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 11 daysSep 05, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 15 daysTender Documents
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