Power Boards / Undertakings / PSU Closing in 3 days TDR #57646799

Tender For Dismantling, Pulling 3X16mva, 3X25mva, 2X50mva Failed/Healthy Unit Pulling, Loading And Transportation Of 1X16, 1X25 And 1X50mva And Erection Of 2X16 Mva, 2X25 Mva And 1X50 Mva Healthy Unit Of 110Kv Class Power Transformer At Various Subst

Issued by Boards / Undertakings / PSU · Chennai, Tamil Nadu
Tender Value
Ref. Documents
Estimated cost
Bid Submission
06 Oct 2026
3 days left
EMD
35620
Bank guarantee accepted
Document Fee
Ref. Documents
Non-refundable
Tender Type
Online

Tender Overview

Competition Type
NCB
Bidding Type
Tender
Location / State
Chennai → Tamil Nadu
EMD Exemption
Available
Quantity
Not Available

Project Description

Tender for Dismantling, Pulling 3X16mva, 3X25mva, 2X50mva Failed/Healthy Unit Pulling, Loading And Transportation Of 1X16, 1X25 And 1X50mva And Erection Of 2X16 Mva, 2X25 Mva And 1X50 Mva Healthy Unit Of 110Kv Class Power Transformer At Various Substations Where Ever It Is Required Running Contract Basis For A Period Of One Year.

BOQ

Name of Work:- Dismantling, pulling 3x16MVA, 3x25MVA, 2x50MVA failed/healthy unit pulling, loading and transportation of 1x16, 1x25 and 1x50MVA and erection of 2x16 MVA, 2x25 MVA and 1x50 MVA healthy unit of 110KV class power transformer at various substations where ever it is required running contract basis for a period of one year.
Sl. No. Item Description
1Labour charges for Dismantling of Alu.busbars without bend 75 IPS.i) 16MVA (3x3) = 9ii) 25MVA (3x3) = 9iii) 50MVA (2x3) = 6
2Labour charges for dismantling of droppers and jumpers i) 16MVA (3x3) = 9ii) 25MVA (3x3) = 9iii) 50MVA (2x3) = 6
3LABOUR CHARGE FOR DISMANTLING of Power transformers and provision of suitable dummy paltes for all openings such as bushing fixures top of turrets oil pipe lines Bucholtz pipe lines cooler bank pipe lines and where ever necessary including crane charges. 16MVA
4LABOUR CHARGE FOR DISMANTLING of Power transformers and provision of suitable dummy paltes for all openings such as bushing fixures top of turrets oil pipe lines Bucholtz pipe lines cooler bank pipe lines and where ever necessary including crane charges. 25MVA
5Labour Charges for Dismantling of 50 MVA Auto Transformer and provision of suitable dummy paltes for all openings such as bushing fixures top of turrets oil pipe lines Bucholtz pipe lines cooler bank pipe lines and where ever necessary including crane charges.
6Oil Draining from old Transformer using filter machine/Oil pump/Hose Etc., per liter excess Qty above 800 liters. (16MVA=3600+2400, 25MVA=4800+2800 50MVA=3800+2000)
7Labour charges for Loading/ Unloading the transfomer including Raising and Lowering of power transformer using suitable jacks as many times as required with or without all accessories & oil for loading the transformer from existing plinth to safer place in the Same 110 KV SS. 16MVA-3x40MT=120MT, 25MVA-3x45MT=135MT, 50MVA-2x100MVA=200MT
8Labour rate for pulling the transformer from plinth to truck or from plinth to safer place or from truck to plinth or Truck to safer place or safer place to plinth or truck where ever required. 16MVA-((3x35 MT)x30Mtrs)= 3150 MT/Mtr25MVA-((3x40MT)x30Mtrs) = 3600 MT/Mtr50MVA-((85x2MT)x30Mtrs) = 5100 MT/Mtr
9Loading of empty drums from store or near by available SS to the work site for draining of oil(16MVA=30, 25MVA=36, 50MVA=60)
10UnLoading of empty drums transported from store or near by available SS to the work site for draining of oil (16MVA=30, 25MVA=36, 50MVA=60)
11Miscellaneous transport charges per truck per day trip over and average distance of 50 KM and RS 40 for every additional Kilometers for transporting of, Dummy plates, Empty drums, and other hardware items etc.,(supplied from Board side)(16MVA=3, 25MVA=3)
12Transport charges per truck per day trip over and average distance of 100 KM and RS 25for every additional Kilometers for transporting of of 60 Nos empty MS barrels,Busbars from GCC-II/Store or available nearby Ss to allotted site(supplied from Board side) (2x1Trip) - 50MVA
13Supply,Fabrication and provision of Light section materials including 125x65 MS Channels, /100x50 MS Channels, various sizes of angles and class 'B' pipes for cooler bank supports panel bottom frames, and fan frames and dummy plates of appropriate size whereever required as per the Field Engineer's instruction. (2*50)
14Labour charge for erection of Power Transformer with turrets all HV/IV/LV bushings, cooler bank, Fans, oil pipe lines, Mashalling box, RTCC Panel and all accessories which ever is necessary for succesesful commissioning of the Transformer Including Crane charges. 16MVA
15Labour charges for erection of Power Transformer with turrets all HV/IV/LV bushings, cable termination box, cooler bank A frame, Fans, Pumps, oil pipelines, Mashalling box, Cooler control cubicle, RTCC Panel and all accessories which ever is necessary for successful commissioning of the Transformer Including Crane charges. 25MVA
16Labour charges for erection of Power Transformer with turrets all HV/IV/LV bushings, cable termination box, cooler bank A frame, Fans, Pumps, oil pipelines, Mashalling box, Cooler control cubicle, RTCC Panel and all accessories which ever is necessary for successful commissioning of the Transformer Including Crane charges. 50MVA
17Oil filling per Liter excess Qty more than 800Liters.16MVA-(2x3400)= 6800 Litrs25MVA-(2x3400) = 6800 Litrs50MVA-(1x4400) = 4400 Litrs
18Hot Oil circulation& filteration upto satisfactory value is achieved including provision of suitable filtering machine of appropriate capacity with 6/10KL Filter machine upto 50MVA and 10/12KLfor above 50MVA with minimum 50Mtrs supply cable.16MVA-(2x14000)= 28000 Litrs25MVA-(2x16000) =32000 Litrs50MVA-(1x30000) = 30000 Litrs
19Provision of filtering Machine of appropriate capacity (16MVA=2, 25MVA=2)
20Labour charge for laying control cables in trench/duct including bunching, alu tag indentification Upto 8 core (SSE Rate)(16MVA=0.960, 25MVA=1.160, 50MVA=1.500)
21Labour charge for laying control cables in trench/duct including bunching, alu tag indentificationAbove 8 cores (SSE Rate)(16MVA=1.120, 25MVA=1.120, 50MVA=1.00)
22Supplying and glanding including drilling suitable holes wherever necessary, peeling of insulation sleeves and cutting off armours. 19 mm(16MVA=32, 25MVA=20, 50MVA=30)
23Supplying and glanding including drilling suitable holes wherever necessary, peeling of insulation sleeves and cutting off armours. 25 mm(16MVA=8, 25MVA=16, 50MVA=6)
24Supplying and glanding including drilling suitable holes wherever necessary, peeling of insulation sleeves and cutting off armours. 28 mm(16MVA=24, 25MVA=24, 50MVA=14)
25Supplying and glanding including drilling suitable holes wherever necessary, peeling of insulation sleeves and cutting off armours.32 mm(16MVA=12, 25MVA=12, 50MVA=6)
26Supply & Termination of cable core end including the cost cable socket lug, ferrules,strap etc., as per cable schedule Each Terminal.16MVA-(2x320)= 64025MVA-(2x360) =72050MVA-(1x380) = 380
27Labour charges for earthing of Power Transformer tank and neutral at 2points, Marshalling Box, D.M.Box, RTCC Panel, Etc,. Including supply of 75x12mm M.S.Flat 16MVA
28Labour charges for earthing of Power Transformer tank and neutral at 2points, Marshalling Box, D.M.Box, RTCC Panel, Etc,. Including supply of 75x12mm M.S.Flat (25MVA=2, 50MVA=1)
29Labour charges for excavation and refilling per cubic meter16MVA-(2x3)= 625MVA-(2x3) =650MVA-(1x3) = 3
30Labour charges for Earthing of cooler fan of Power Transformers upto 16 MVA capacity using bare copper wires including cost of copper wires(min 10/12SWG) - 16MVA
31Labour charges for Earthing of cooler fan of Power Transformers upto 16 MVA capacity using bare copper wires including cost of copper wires(min 10/12SWG) - (25MVA = 2, 50MVA=1)
32Supply of Gasket 900X900X10mm (16MVA = 4, 25MVA=3, 50MVA = 3)
33supply of Gasket 900X900X8mm (16MVA = 4, 25MVA=3, 50MVA=4)
34supply of Gasket 900X900X6mm (16MVA = 4, 25MVA=2, 50MVA=3)
35Labour charge for gasket cutting for 110 kV class transformers (16MVA =2, 25MVA=2, 50MVA=1)
36Supply and ercetion of 110KV class OTI Thermometer of reputed make
37Supply and ercetion of 110KV class WTI Thermometer of reputed make (25MVA =1, 50MVA=1)
38Supply and erection of 36KV,2000A (M40) LV terminal brass clamp with SS screw,nuts, washers and bimettalic sheets (16MVA =1, 50MVA=1)
39Supply and erection of 36KV,800A (M30) LV terminal brass clamp with SS screw,nuts, washers and bimettalic sheets
40Labour charges for Painting including supply of branded Aluminium paint 16MVA
41Labour charges for Painting including supply of branded Aluminium paint 25MVA
42Labour charges for Painting including supply of branded Aluminium paint 50MVA
43Labour charges for skilled man power Assistance during bushing CT testing, Pre commissioning testing of Power / Auto Transformers Minimum 2 Labours for Transformers upto 33 kV class , 3 Labours for Transformers upto 110 kV class and 6 Labours for ICT's, Reactors from 230 kV and above (16MVA=2, 25MVA=2, 50MVA=1)
44Checking of healthines of wiring in DM Bos,OLTC and RTCC panels and rewiring if required(16MVA=1, 25MVA=1, 50MVA=1)
45Additional charges for attending lekages in radiators and other places by welding bracing etc., and checking of healthiness after rectification as directed by the field Engineer (16MVA=2, 25MVA=2, 50MVA=2)
46Labour Charges for cleaning of Old/Released 110Kv class Transformer including supply of washing and cleaning materials (16MVA=2, 25MVA=2, 50MVA=2)
47Breather with indication type silicagel Blue 5KG container with oil cup flange mounting Type(16MVA=2, 25MVA=2, 50MVA=2)
48Breather with indication type silicagel Blue 1KG container with oil cup flange mounting Type(16MVA=2, 25MVA=2, 50MVA=1)
49Labour charges for overhauling of fans including replacement of bearings, shafts, washers etc.,(16MVA=2, 25MVA=2, 50MVA=2)
50Labour charges for overhauling and rewinding of fans including replacement of bearings, shafts, washers etc., (16MVA=2, 25MVA=2, 50MVA=1)
51Supply and provision of various sizes of GI /Yellow bolts and Nuts , with washers and foundation bolts for cooler bank A frames Cooling pumps/pipes supports, Marshalling box cooler control cubicles cable box covers and where ever necessary as per direction of the Field Engineer. Per KG ( M8,M9,M10,M12,M16, M 19, M 25)( SSE /CNI Rates Item No S 1) (16MVA=30, 25MVA=40, 50MVA=25)
52Writing/Stickering of the Power Transformer/Auto Tr/ICT/Reactor, Marshalling box,DM box, RTCC panel, Cooler control cabinet, Fan and Pump etc., including material with dark Blue enamel paint. Letter size should be minimum height 80 mm and thickness 10 mm. (16MVA=2, 25MVA=2, 50MVA=2)
53Marshalling box door glass beeding(16MVA=1, 25MVA=1)
54Marshalling box door beding
55Labour for Provison of 75mm busbar with making required bends (16MVA=6, 25MVA=6)
56Labour For Provison of LV jumpers Single zebra (16MVA=6, 25MVA=6)
57Miscellaneous transport charges per truck per day trip over and average distance of 50 KM and RS 40 for every additional Kilometers for transporting of control cable, , Additional Transformer oil, , control cables, Dummy plates etc.,(supplied from Board side) 16MVA
58Transport charges per truck per day trip over and average distance of 100 KM and RS 25for every additional Kilometers for transporting Spillage oil barrels control cables and busbars (25MVA=2, 50MVA=1)
59Labour charges for overhauling and rewinding of oil pumps incuding replacement of bearings , shafts , washers etc., (25MVA=2, 50MVA=1)
60Labour charges for overhauling of oil pumps incuding replacement of bearings , shafts , washers etc., 50MVA
61Supply and Erection of 110 V DC contactors
62Supply and Erection of 440V/230V AC contactors
63Supply and Erection of MCBs 63A,32A (4-pole)
64Timer
65LED Bulb 5W
66Tap changer raise/Lower Button
67Labour charges of loading of Spillage oil, Topup oil and Control cables from Tantransco store to allotted SS. (Spillagae Oil-8 barrels =1.6MT, control cable upto 8 core 1.5x1600Kg/km = 2.4MT, control cable above 8 core 1x2750Kg/km = 2.75MT)
68Labour charges of Unloading of Spillage oil, Topup oil and Control cables from Tantransco store to allotted SS. (8 barrels =1.6MT, control cable upto 8 core 1.5x1600Kg/km =2.4MT, control cable above 8 core 1x2750/km =2.75MT)
69Labour charges for loading of the Transformers including Raising and lowering of Power transformers using suitable jacks as many times as required with or without accessories and oil for loading the transformers from plinth or safe place to truck or shifting as required at site and using crane where ever required.(16MVA=40, 25MVA=45, 50MVA=100)
70Labour charges for pulling Power transformers from plinth or safer place to truck/ from truck to plinth or safer place / from safer place to plinth in same SS as required by site Engineer for transportation or dismantling/erection (40MTx35 Meters=1400 M/Mtr.16MVA - 35MTx40Mtrs=1400 MT/Mtrs25MVA - 35MTx40Mtrs=1400 MT/Mtrs50MVA - 85MTx30Mtrs =2550 MT/Mtrs
71Labour charges for Un loading of the Transformers including Raising and lowering of Power transformer using suitable jacks as many times as required with or without acessories and oil for unloading the transformers from truck to plinth or safe place as required at site and using crane where ever required (16MVA=40, 25MVA=45, 50MVA=100)
72Category C : Minimum Transport Charges to be adopted for transformers above 30 MT UPTO 50 MT and 50 KM range within Chennai city limit / Category D : Minimum Transport Charges to be adopted for transformers above 30 MT UPTO 50 MT and 100 KM range out side Chennai city limit including Transformer oil and with all accessories.(16MVA=1, 25MVA=1)
73Category E: Minimum Transport Chrge to be adopted for transformers above 50 MT upto and including 100 MT and 50 KM range within chennai city limit (or) Category F: Minimum Transport Charge to be adopted for transformers above 50 MT upto 100 MT and 100 KM range outside chennai city including Transformer oil and with all accessories.
74Normal Transport Charges to be adopted for transportation Outside chennai limit16MVA - 40 MTx 150 kM = 600025MVA - 45 MTx 150 kM = 6750100MVA - 100 MTx 75 kM = 7500
75GST for bidders within TamilNadu
76GST for bidders outside TamilNadu (IGST) Please Enable Macros to View BoQ information

AI Tender Summary

OUR REF NO 57646799
AUTHORITY Boards / Undertakings / PSU
TENDER VALUE Ref. Documents
LAST DATE 06-10-2026
Authority
Authority Name Tamil Nadu Transmission Corporation Limited
Work Description Tender for Dismantling, Pulling 3X16mva, 3X25mva, 2X50mva Failed/Healthy Unit Pulling, Loading And Transportation Of 1X16, 1X25 And 1X50mva And Erection Of 2X16 Mva, 2X25 Mva And 1X50 Mva Healthy Unit Of 110Kv Class Power Transformer At Various Substations Where Ever It Is Required Running Contract Basis For A Period Of One Year.
Basic Detail
Tender No OT-37/2026-27 of SE/GCC-II/CNI
Bidding Type Tender
Location
City Chennai
State Tamil Nadu
Key Dates
Publish Date 22 Sep 2026
Submission Date 06 Oct 2026
Open Date 07 Oct 2026
Finance
Tender Value Ref. Documents
Tender Fee Ref. Documents
EMD 35620
Exemption Available
Document List
22c2d3fa-a3ae-40dd-bba4-69071a998224.html
BOQ_849504.xls
Tendernotice_1 (20).pdf

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Tender Timeline

Sep 22, 2026
11:30 IST

Tender Published

Tender notice published.

Completed
Oct 06, 2026
17:00 IST

Bid Submission Deadline

Online submission via eProcurement portal.

Upcoming · 3 days
Oct 07, 2026

Bid Opening Date

Technical bids will be opened and evaluated.

Upcoming · 4 days

Tender Documents

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22c2d3fa-a3ae-40dd-bba4-69071a998224.html

xls

BOQ_849504.xls

pdf

Tendernotice_1 (20).pdf

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