Tender For Strengthening Of The Existing Plate And Pipe Earthing By Laying Out A Full Mat Earthing System For 110/11 Kv 10Mva & 20 Mva Transformer Bays At 110Kv Thycattusery Substation
Tender Value
9.62 Lakhs
Estimated cost
Bid Submission
30 Sep 2026
19 days left
EMD
24100
Bank guarantee accepted
Document Fee
5900
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Alappuzha → Kerala
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender For Strengthening Of The Existing Plate And Pipe Earthing By Laying Out A Full Mat Earthing System For 110/11 Kv 10Mva & 20 Mva Transformer Bays At 110Kv Thycattusery Substation
BOQ
| Sl. No. | Item Description |
| 1 | Picking up 40mm broken stone from the yard and stacking at suitable place including conveyance etc complete as per the direction of officers at site |
| 2 | Earth work in excavation by mechanical means (Hydraulic excavator) or 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, with in a lead of 50 m. ( All kinds of soil) |
| 3 | Cutting 32mm MS rod in required length etc complete as per the direction of the departmental officers. |
| 4 | Bending 32mm MS rod suitably for risers, crossing cable trenches/foundations etc. as per directions of departmental officers at site |
| 5 | Laying of earth mat of required size as specified using 32 mm MS rod including levelling lowering and placing in trenches, complete as per the direction of departmental officers |
| 6 | Driving down the ground electrode upto a depth of 3m from the already taken earth pit as directed by the departmental officers. |
| 7 | 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 |
| 8 | Welding of overlapping joints for mat,riser lap joints with 32mm MS rod placed in trenches, having 150mm in length 6mm thick on both sides of the rod and both ends of overlapped MS rods with 6mm welding thickness after cleaning the surface neatly. Charges includes cost for low hydrogen content electrode (No.E7018), hire charges for 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 anticorrosive paints at the welded joints etc. complete as per directions of departmental officers at site |
| 9 | Welding the nodal points (cross joints ) in the trenches at Four 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 / GI Earth pipe in position and applying two coats of anti corrosive paints at the welded joints etc. complete as per the directions of departmental officers. |
| 10 | 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. |
| 11 | 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. |
| 12 | 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. |
| 13 | 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. |
| 14 | Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m. |
| 15 | Supplying and stacking 6mm hard granite broken stone for measurement in standard heap at a distance of 150m from the yard including all charges |
| 16 | Spreading the 6mm metal in the yard which is stacked at 150 m away from the yard to a thickness of 10 cm to Lines Levels as per the Direction of Department officers at site. |
| 17 | Spreading the 40mm metal in the yard which is stacked at 150 m away from the yard to a thickness of 15 cm to Lines Levels as per the Direction of Department officers at site. Rupees In Figures In words Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Sep 09, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedSep 30, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 19 daysOct 12, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 31 daysTender Documents
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