Tender For Transgrid Down Stream Works At 110Kv Substation Terls - Repositioning Of 20 Mva, 110/11 Kv Transformer Unit 2 To Enable Double Bus Upgrade At 110 Kv Substation, Terls
Tender Value
4.96 Lakhs
Estimated cost
Bid Submission
10 Jul 2026
1 days left
EMD
12410
Bank guarantee accepted
Document Fee
1475
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Thiruvananthapuram → Kerala
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Transgrid Down Stream Works At 110Kv Substation Terls - Repositioning Of 20 Mva, 110/11 Kv Transformer Unit 2 To Enable Double Bus Upgrade At 110 Kv Substation, Terls
Corrigendum
| Sr No | Corrigendum Date | Corrigendum | Type | New Submission Date |
|---|---|---|---|---|
| 1 | 19-Jun-2026 | TENDER EXTENSION | Date | 10-Jul-2026 |
BOQ
| Sl. No. | Item Description |
| 1 | Loading and unloading charges for tools and materials such as jacks pulling and lifting machines, rails, sleepers, plies, ropes, empty drums, dummy plates, bolts and nuts, gaskets etc. including loading and unloading, hire charge for tools and vehicles etc. and returning the same after completing the work as per the direction of departmental officers. (Only if required) |
| 2 | Turning the transformer of weight above 30T up to 40T, upto 90 degree using required tools safety and taking all precausions as per the direction of departmental officers (only if it is absolutely necessary and where dept. crane is not available) |
| 3 | Pulling the power transformers of weight above 30T up to 40T, on the rail track, travelling for a distance up to 30M, using sleepers, rails, jacking, pulling and keeping ready for placing on the correct plinth as per the direction of departmental officers at site, safely without damaging any equipments and observing all safety precautions. |
| 4 | Assembling the 10/ 12.5/ 20 MVA, 110/11 or 66/11 KV transformer with all accessories in complete shape and filling oil if required including arresting the movement of the transformer by locking as per the direction of the departmental officers. |
| 5 | Doing out door/indoor cable termination of 1x500 mm$^2$ 11KV XLPE cable very carefully observing directions of manufactures and departmental staff including crimping of socket |
| 6 | Mounting one 1x500 mm2 XLPE out door cable termination of structures very carefully without causing any damaged to the drilling holes wherever necessary as directed by the departmental officers |
| 7 | Providing interconnection between equipments using ACSR Moose/ Kundah/ wolf Single conductor at both ends with compressed/ bolted ends including uncoiling and cutting of conductor as per the direction of departmental officers. |
| 8 | Laying 1x500 sq mm XLPE cable in trench including drawing through pipes wherever necessary |
| 9 | Loading the 6000/5000litre/hr or above transformer oil filter plant to lorry using tripod, chain block, pulley block, rope etc., after pulling it to the convenient position for lifting and fixing it firmly for safe transportation to the location as directed by departmental officers, unloading the same without causing any damage and placing it carefully at convenient place etc. complete as directed by departmental officers at site wherever required. |
| 10 | Giving three phase connection to the filter unit from the supply mains using cable including fitting three numbers of fuse units near the filter unit and laying the cable from control room to filter unit and trial run of filter unit after giving connection etc. complete as per the direction of dept. Officers. |
| 11 | Covering the transformer with tarpaulin using ropes, bamboos etc. |
| 12 | Hot oil circulation after draining oil from transformer, evacuating the transformer by using vacuum pump after providing LT connection to the pump, connecting the hose to transformer, operating carefully and continuously for attaining sufficient vacuum and keeping in vacuum for 24 hours and operating filter unit carefully and continuously for 24 hours except halt due to poor voltage and trouble in filter plant etc complete as per the direction of dept. officers. |
| 13 | Filling the filtered oil into the main and OLTC tank then conducting hot oil circulation till to obtain a satisfactory value of megger and BDV for the oil including collecting of sample and taking BDV in each interval, taking megger reading etc. and after filtering provide the breather |
| 14 | Disconnecting the power connections to the filtering plant/ vacuum pump, coiling the cable, disconnect the hoses and coiling them and folding and removing tarpaulin used for covering the transformer, moving the filter plant and vacuum pump to a distant place as directed by the department staff. |
| 15 | Dismantling laid 1x500 sq mm XLPE cable from trench/ drawn through pipes complete as per the direction of Departmental officers. |
| 16 | Dismantling out door/indoor cable termination of 1x500 mm$^2$ 11KV XLPE cable very carefully as per the direction of Departmental officers. |
| 17 | Dismanting the 10/ 12.5/ 20 MVA, 110/11 or 66/11 KV transformer all accessories complete and Draining oil if required as per the direction of the departmental officers. |
| 18 | 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 | 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. |
| 20 | Drilling holes in yard structure |
| 21 | Cutting of steel angle in yard structure erection |
| 22 | Erection of yard structures and assembling of columns and beams using bolt and nut including punching of holes. |
| 23 | Dismantling of yard structures and assembling of columns and beams using bolt and nut including punching of holes. |
| 24 | Erection of 1 No. 11KV LA (station type) /11KV Post insulator on the already erected structure after opening of crates at the place |
| 25 | Dismantling of 1 No. 11KV LA (station type) /11KV Post insulator on the already erected structure after opening of crates at the place of storage leading to site carefully, keeping lines and levels as per the direction of the departmental officers. |
| 26 | Loading the empty oil tank of capacity 10000/15000 Ltr. From the place of its storage using wooden blocks, lever etc. and moving the tank to a distance of 10M from switch yard then loading the same to the dept. vehicle using chain pulley etc. carefully tying the tank in vehicle accompanying the vehicle up to 110kV substation TERLS, removing ties and unloading the tank carefully by the use of wooden blocks rails, chain pulley etc. again moving the tank to a distance of 50M, for safe storage. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Jun 19, 2026
11:30 IST
Tender Published
Tender notice published.
Completed
Jul 10, 2026
18:00 IST
Corrigendum-1 Issued
Clarifications on tender conditions and amendments issued.
Upcoming · 1 dayJul 10, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 1 dayJul 15, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 6 daysTender Documents
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