Tender For Capacity Enhancement Of 110Kv Substation Chavara By Replacing Existing 2 X 12.5Mva 110/11Kv Transformers With 2 X 20 Mva , 110/11Kv Transformers- Erection And Commissioning Of 20Mva Transformer No:2
Tender Value
9.92 Lakhs
Estimated cost
Bid Submission
03 Nov 2026
8 days left
EMD
24900
Bank guarantee accepted
Document Fee
2360
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Kollam → Kerala
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Capacity Enhancement Of 110Kv Substation Chavara By Replacing Existing 2 X 12.5Mva 110/11Kv Transformers With 2 X 20 Mva , 110/11Kv Transformers- Erection And Commissioning Of 20Mva Transformer No:2
BOQ
| Sl. No. | Item Description |
| 1 | Conveying to the erection site and erecting carefully 1 No. 33KV CT/PT/110KV NCT & RVT/NCT(52/36kV) on the already erected structure after opening of crates at the place of storage leading to site carefully keeping at vertically not allowing tilting from vertical position more than the specified angles, keeping lines and levels as per the direction of the departmental officers, including all labour charges, hire charges of tools & tackles etc. (cost index(e) : 1.3132 |
| 2 | Fabrication of structures for erecting equipments. The GI & MS angles will be supplied departmentally (cost index(e) : 1.3132 included in Rate) |
| 3 | 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. (cost index(e) : 1.3132 included in Rate) |
| 4 | Providing interconnection between equipments using ACSR Moose/ Kundah/ wolf Double conductor at both ends with compressed/ bolted ends , fixing spacers at regular intervals as directed, including uncoiling and cutting of conductor as per the direction of departmental officers. (For one phase) (cost index(e) : 1.3132 included in Rate) |
| 5 | Erection of 1 No. 11KV CT/PT/11KV NCT on the already erected structure after opening of crates at the place of storage leading to site carefully keeping at vertically not allowing tilting from vertical position more than the specified angles, keeping lines and levels as per the direction of the departmental officers. (cost index(e) : 1.3132 included in Rate) |
| 6 | Erection 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. (cost index(e) : 1.3132 included in Rate) |
| 7 | Collecting from store or substation wherever available 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 in department vehicle and accompanying and returning the same after completing the work as per the direction of departmental officers.( Only if required) (cost index(e) : 1.3132 included in Rate) |
| 8 | Turning the transformer of weight above 40T to 50 T,up to 90 degree using required tools safely and taking all precautions as per the directions of the departmental officers ( only if it is absolutely necessary and where departmental crane is not available) (cost index(e) : 1.3132 included in Rate) |
| 9 | Pulling the power transformers of weight above 40T to 50T, 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 ofdepartmental officers at site, safely without damaging any equipments and observing all safety precautions. (costindex(e) : 1.3132 included in Rate) |
| 10 | Assembling the 20MVA, 110/11KV 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. |
| 11 | Cutting of steel angle in yard structure erection (cost index(e) : 1.3132 included in Rate) |
| 12 | Drilling holes in yard structure (cost index(e) : 1.3132 included in Rate) |
| 13 | 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 department officers, unloading the same without causing any damage and placing it carefully at convenient place etc. complete as directed by department officers at site wherever required. (cost index(e) : 1.3132 included in Rate) |
| 14 | 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 Chavara Substation, 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. (cost index(e) : 1.3132 included in Rate) |
| 15 | Covering the transformer with tarpaulin using ropes, bamboos etc. (cost index: 1.3132 included in Rate) |
| 16 | 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. ( Only if found absolutely necessary and where departmental staff is not available ). (cost index(e) : 1.3132 included in Rate) |
| 17 | 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. ( where departmental staff is not available and is found absolutely necessary). (cost index(e) : 1.3132 included in Rate) |
| 18 | Hot oil circulation after draining oil from transformer, evacuating the transformer by using vacuum pump after providing LT connection to the pump , connecting 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. (cost index(e) : 1.3132 included in Rate) |
| 19 | Erection of yard structures and assembling of columns and beams using bolt and nut including punching of holes. (cost index(e) : 1.3132 included in Rate) |
| 20 | 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 yardmetalling as per the direction of the departmental officers. (cost index(e) : 1.3132 included in Rate) |
| 21 | Welding charge for welding on iron parts using arc welding as per standards (cost index(e) : 1.3132 included in Rate) |
| 22 | 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. (cost index(e) : 1.3132 included in Rate) |
| 23 | 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 arcwelding set, current charges, cost of low hydrogen content DC arc welding electrodes( No.E7018) cost of anti corrosive paint etc. complete. (cost index(e) : 1.3132 included in Rate) |
| 24 | Re fixing dismantled fencing, chain link wire, channel section assembly to the established stub by bolting as per the direction of Engineer in charge |
| 25 | Lifting RCC slabs of size 145cmx50cmx 10cm/125cmx70cmx10cm/100cmx50cmx10cm 95cmx50cmx10cm/75cmx50cmx 10cm/ 70cmx50cmx10cm and conveying them up to an average distance of 100m and placing the slabs carefully to the sides of trenches in position as per the direction of departmental officers at site. |
| 26 | Unpacking the transformer / feeder C&R panels, 110V battery charger, OLTC cubicle LT panel at the place of storage transporting to the place of erection and erecting after providing foundation bolt keeping to lines and levels as per the direction of departmental officers. (cost index(e) : 1.3132 included in Rate) |
| 27 | Loading one 33kV CT / PT / 110kV NCT from the place of its storage to department lorry using required lifting device without causing any damage to equipment and its parts. (cost index(e) : 1.3132 included in Rate) |
| 28 | Unloading one 33KV CT/PT/110kV NCT from department lorry to substation site using suitable lifting device and dragging to safe place without causing any damage to CT as per the direction of the department officers. (cost index(e) : 1.3132 included in Rate) |
| 29 | Loading 1x500 sq. mm XLPE cable from its place of storage to department lorry and properly without causing any damage to its insulation and make ready for transporting as per the direction of department officers. (cost index(e) : 1.3132 included in Rate) |
| 30 | Unloading 1x500 sq. mm XLPE cable from department lorry to substation site and stacking properly without causing any damage to its insulation as per the direction of department officers. (cost index(e) : 1.3132 included in Rate) |
| 31 | Laying 1 x 500 sq mm XLPE cables in trench including drawing through pipes wherever necessary . (cost index(e) : 1.3132 included in Rate) |
| 32 | Doing outdoor/indoor cable termination of 1x500 mm2 11KV XLPE cable very carefully observing directions of manufactures and departmental staff including crimping of socket (cost index(e) : 1.3132 included in Rate) |
| 33 | Mounting one 1 x 500 mm2 outdoor / indoor cable termination of structures very carefully without causing any damage to the drilling holes wherever necessary as directed by the departmental officers (cost index(e) : 1.3132 included in Rate) |
| 34 | Dismantling 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. (cost index(e) : 1.3132 included in Rate) |
| 35 | Dismantling of 1 No. 11kV CT/PT/ 11kV NCT from the already erected structure of above 1.5m height , leading to storage place carefully keeping at vertically not allowing tilting from vertical position more than the specified angles, keeping lines and levels as per the direction of the departmental officers, including all labour charges, hire charges of tools & tackles etc. (cost index(e) : 1.3132 included in Rate) |
| 36 | Dismantling of 1 No. 33kV CT/PT/ 110kV NCT & RVT /NCT (852/36kV) from the already erected structure of above 1.5m height , leading to storage place carefully keeping at vertically not allowing tilting from vertical position more than the specified angles, keeping lines and levels as per the direction of the departmental officers, including all labour charges, hire charges of tools & tackles etc. (cost index(e) : 1.3132 included in Rate) |
| 37 | Dismantling of 1 No. 11kV LA (Station type) / 11kV Post insulator from the already erected structure of above 1.5m height , leading to storage place carefully keeping at vertically not allowing tilting from vertical position more than the specified angles, keeping lines and levels as per the direction of the departmental officers, including all labour charges, hire charges of tools & tackles etc. (cost index(e) : 1.3132 included in Rate) |
| 38 | Dismantling of yard structures including columns and beams as per the direction of departmental officers. |
| 39 | Dismantling the transformer C&R panels, OLTC cubicle and conveying them to the place of storage as per the direction of departmental officers. |
| 40 | Dismantling one 1x500 mm2 XLPE outdoor/indoor cable termination from panels or structures very carefully without causing any damaged to the drilling holes wherever necessary as directed by the departmental officers |
| 41 | Dismantling the radiator, conservator tank, EHV bushing turret, connecting pipes, cooling fans, meters, breathers, Buchholz relays of a 110/11KV or 66/11KV 12.5 / 10 MVA transformer after draining the oil to the required level and blocking the bushing turret, radiator pipe etc. wherever necessary as per the direction of the departmental officer, safely without damaging any equipment and observing all safety precautions.(cost index(e) : 1.3132 included in Rate) |
| 42 | Turning the transformer of weight above 30 to to 40T,up to 90 degree using required tools safely and taking all precautions as per the directions of the departmental officers ( only if it is absolutely necessary and where departmental crane is not available) (cost index(e) : 1.3132 included in Rate) |
| 43 | Pulling the power transformers of weight above 30T 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 ofdepartmental officers at site, safely without damaging any equipments and observing all safety precautions. (cost index(e) : 1.3132 included in Rate) |
| 44 | Dismantling making rolls and stacking chain link fencing within 50 m lead as per the direction of Departmental officers at site (cost index(e) : 1.3132 included in Rate) |
| 45 | Turning the transformer of weight 20T to 30T,up to 90 degree using required tools safely and taking all precautions as per the directions of the departmental officers ( only if it is absolutely necessary and where departmental crane is not available) (cost index(e) : 1.3132 included in Rate) |
| 46 | Pulling the power transformers of weight 20T to 30T, 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. (cost index(e) : 1.3132 included in Rate) |
| 47 | Re-assembling of all accessories like HV & LV bushings, conservator tank, all pipelines, cooling fins valves and relays etc. for a 10/12.5 MVA 110 or 66/11kV transformer. (cost index(e) : 1.3132 included in Rate) |
| 48 | 5.22.6 : Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelThermo - Mechanically Treated bars of grade Fe-500D or more (cost index(c) : 1.4445 included in Rate) |
| 49 | 5.1.2 : Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:1:5:3 (1 cement 1.5 coarse sand :3 graded stone aggregate 20 mm nominal size (cost index(c) : 1.4445 included in Rate) |
| 50 | 4.1.3 : Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2:4 (cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) (cost index(c) : 1.4445 included in Rate) |
| 51 | 4.1.6 : Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:3:6 ( 1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) (cost index(c) : 1.4445 included in Rate) |
| 52 | 13.1.1 : 12 mm cement plaster of mix:1:4 ( 1 cement : 4 fine sand) (cost index(c) : 1.4445 included in Rate) |
| 53 | Dismantling existing rails fixed in transformer plinths / tracks including demolishing anchor bolts etc. including cutting charges, labour charges etc. complete as directed by the departmental officers at site. This observed data used chavara substation for transformer capacity enhancement work |
| 54 | Conveying, cutting and placing in position rails supplied departmentally by providing anchor bolts fixing in concrete for transformer plinth. |
| 55 | 15.23.2 : Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead.For thickness of tiles above 25 mm and up to 40 mm (cost index(c) : 1.4445 included in Rate) |
| 56 | 15.2.1 : Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer in-Charge.Nominal concrete 1:3:6 or richer mix (i/c equivalent designmix) (cost index(c) : 1.4445 included in Rate) |
| 57 | Picking and stacking the spreaded 40 mm metal for reuse including filtering/washing etc complete as per the direction of dept officer at site in charge. (cost index(c) : 1.4445 included in Rate) |
| 58 | Picking and stacking the spreaded 6mm metal for reuse including filtering/washing etc complete as per the direction of dept officer at site (cost index(c) : 1.4445 included in Rate) |
| 59 | Conveying, laying and spreading 6/40mm broken stone on the levelled surface of the yard at a uniform thickness of 10cm etc. Complete as per the direction of dept. Officers in charge (cost index(c) : 1.4445 includedin Rate) |
| 60 | Dismantling all size of PVC insulated Copper Control cable 2.5 mm² from terminals and panel Board carefully as per the direction of Departmental Officers at site. |
| 61 | Dismantling all size of PVC insulated Copper Control cable 4.0 mm² from terminals and panel Board carefully as per the direction of Departmental Officers at site. |
| 62 | Dismantling the cables from panels by dismantling of cable glands fixing the cable rigidly for the Termination of cables in panel as per direction of departmental staff at site 20/19 core 2.5sqmm cable/ 12 core 4 sqmm cable(using gland of size 28-32mm) |
| 63 | Dismantling the cables from panels by dismantling of cable glands fixing the cable rigidly for the Termination of cables in panel as per direction of departmental staff at site 12/7/6 core 2.5 sqmm cable (using gland of size 25mm) |
| 64 | Dismantling the cables from panels by dismantling of cable glands fixing the cable rigidly for the Termination of cables in panel as per direction of departmental staff at site 4/2 core 2.5 sq mm cable/4/2 core 4 sq mm cable (using gland of size 16-22mm) |
| 65 | Dismantling 4/2 core 2.5sqmm control cable (armored or unarmored) from cable trench/pipe/cable tray neatly and carefully make coil and lead to storage place as per direction of departmental staff at site. |
| 66 | Dismantling 5/4/3/2 core 4sqmm control cable (armored or unarmored) from cable trench/pipe/cable tray neatly and carefully make coil and lead to storage place as per direction of departmental staff at site. |
| 67 | Dismantling and taking out 12/7/6 core 2.5 sq mm control cable (armoured and un armoured) from cable trech without disturbing other control cable passing through same trench |
| 68 | Dismantling and taking out 20/19 core 2.5 sq mm control cable (armoured and un armoured) from cable trech without disturbing other control cable passing through same trench |
| 69 | Uncoiling 20/19 core 2.5sqmm, 12 core 4 sqmm control cable (Armoured or unarmoured) from cable drums cutting to required length and laying through trench/pipe/cable tray grouping the same neatly using cable tie and carefully including for providing loop wherever necessary and providing cable marker at both ends of cable as per direction of departmental staff at site. (cost index(e) : 1.3132 included in Rate) |
| 70 | Uncoiling 12/7/6 core 2.5 sq mm control cable (armoured and unarmoured) from cable drums and cutting to required length and laying through trench/pipe/cable tray grouping the same neatly using cable tie and carefullyincluding for providing loops wherever necessary and cable marker, at both ends of cable as per direction of departmental staff at site. (cost index(e) : 1.3132 included in Rate) |
| 71 | Uncoiling 4/2 core 2.5sqmm control cable (armored or unarmored) from cable drums and cutting to required length and laying through trench/pipe/cable tray neatly and carefully including for providing loops wherever necessary and cable marker at both ends of cable as per direction of departmental staff at site. (cost index(e) : 1.3132 included in Rate) |
| 72 | Uncoiling 5/4/3/2 core 4sqmm control cable(armoured or unarmoured) from cable drums and laying through trench/pipe/cable tray neatly and carefully including for providing loops wherever necessary and cable marker atboth ends of cable as per direction of departmental staff at site. (cost index(e) : 1.3132 included in Rate) |
| 73 | Termination of cables in panel by using cable glands of fixing the cable rigidly by any means as per direction of departmental staff at site charges include for providing necessary suitable hole in the gland plate etc. for 20/19 core 2.5sqmm cable/12 core 4 sqmm cable (using gland of size 28-32mm) (cost index(e) : 1.3132 included in Rate) |
| 74 | Termination of cables in panel by using cable glands of fixing the cable rigidly by any means as per direction of departmental staff at site charges include for providing necessary suitable hole in the gland plate etc. for 12/7/6 core 2.5 sqmm cable (using gland of size 25mm). (cost index(e) : 1.3132 included in Rate) |
| 75 | Termination of cables in panel by using cable glands of fixing the cable rigidly by any means as per direction of departmental staff at site charges include for providing necessary suitable hole in the gland plate etc. for 4/2 core 2.5 sq mm cable/4/2 core 4 sq mm cable (using gland of size 16-22mm). (cost index(e) : 1.3132 included in Rate) |
| 76 | Doing termination of all sizes of PVC insulated copper control cable 2.5 mm², pealing, providing number and letter ferrules in the wire, stripping ends, crimping with suitable lugs and connecting to the terminals in the panelboard and marshalling kiosk etc., neatly and carefully including cost of copper sockets and ferrules as per the direction of Departmental Officers at site. (cost index(e) : 1.3132 included in Rate) |
| 77 | Doing termination of all sizes of PVC insulated copper control cable 4.0 mm², pealing, providing number and letter ferrules in the wire, stripping ends, crimping with suitable lugs and connecting to the terminals in the panel board and marshalling kiosk etc., using cable tie and cable tie neatly and carefully including cost of copper sockets and ferrules as per the direction of Departmental Officers at site. (cost index(e) : 1.3132 included in Rate) |
| 78 | Transporting charges for Diesel truck (9Tonne) traveling from Chavara Substation to Transmission store Angamaly and back, for taking materials. Rate does not include loading and unloading charges (cost index(c) : 1.4445 included in Rate)Transporting charges for Diesel truck (9Tonne) traveling from Chavara Substation to Transmission store Angamaly and back, for taking materials. Rate does not include loading and unloading charges (cost index(c) : 1.4445 included in Rate) |
| 79 | Preparing wiring schedule per transformer / feeder bay of 110 or 66kV with details of type of cable, core and colour, ferrule No. and terminal no of equipments/panels including giving full details in A4 sheet with computer print providing outer border line and sheet no etc. and supplying in the shape of book with special binding etc. and assisting the departmental officers at the time of relay testing and commissioning (cost index(e) : 1.3132 included in Rate) |
| 80 | Supplying aluminium cable tags punching number and alphabets up to 7 digits and binding to cable using copper wire including cost of all materials as per the direction of Board Officials at site. (cost index(e) : 1.3132 included in Rate) |
| 81 | 50.18.9.8.1 Providing and fixing PVC pipes includings jointing of pipes with one step PVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge. 75 mm dia 6 Kgf/ cm2 (cost index(c) : 1.4445 included in Rate) Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Oct 22, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedNov 03, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 8 daysNov 06, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 11 daysTender Documents
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