Coal and Mines Boards / Undertakings / PSU Closing in 5 days TDR #56716458

Tender For I) Repairing / Rewinding Of 630 Kva /3.3 Kv/440 Volt , Transwitch Unit Sl. No.02/92/033, Make- Andrew Yule Installed At Officers Club (Rest House) Substation And Ii) Repairing / Rewinding Of 1000 Kva / 11Kv/415 Volt, Power Transformer, Mak

Issued by Boards / Undertakings / PSU · Chatra, Jharkhand
Tender Value
6.55 Lakhs
Estimated cost
Bid Submission
07 Aug 2026
5 days left
EMD
8200
Bank guarantee accepted
Document Fee
Ref. Documents
Non-refundable
Tender Type
Online

Tender Overview

Organization
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Tender ID
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Competition Type
NCB
Bidding Type
Tender
Location / State
Chatra → Jharkhand
EMD Exemption
Not Available
Quantity
Not Available
Website
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Contact Person
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Address
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Project Description

Tender for I) Repairing / Rewinding Of 630 Kva /3.3 Kv/440 Volt , Transwitch Unit Sl. No.02/92/033, Make- Andrew Yule Installed At Officers Club (Rest House) Substation And Ii) Repairing / Rewinding Of 1000 Kva / 11Kv/415 Volt, Power Transformer, Make The Hindustan Electric Co. Ltd. Sl. No.Missing, Local Sl. No.4200 (Ppr Colony) Installed At Vasant Vihar C Type Substation In Bachra Township Under Gm Unit, Piparwar Area.

BOQ

Name of Work:- i) Repairing / rewinding of 630 KVA /3.3 KV/440 volt , Transwitch Unit Sl. No.02/92/033, make- Andrew Yule installed at Officers Club (rest House) substation and ii) repairing / rewinding of 1000 KVA / 11KV/415 volt, Power Transformer, Make the Hindustan Electric Co. Ltd. Sl. No.missing, Local Sl. No.4200 (PPR Colony) installed at Vasant Vihar C type substation in Bachra Township under GM Unit, Piparwar Area.
Sl. No. Item Description
1Repairing Rewinding of 630 KVA TranswitchCopper Winding Strip for H.T & LT side
2Cost of Insulating material 15% of item no 01
3Cost of Labour Charge 15% of item no.01
4Assembling and dismantling of top corner, unit conservator, oil indicator, breather, fins, buchholz relay etc work by new gas kit changing work
5Replacement of Cork Gasket Set 1-8mm thickness
6Replacement of Breather pot with silica gel
7Heating of transformer unit to improve its insulation value
8Spraying of varnish of transformer unit and inner side transformer body
9Filtration of old transformer Oil
10Installation Testing and commissioning of the repaired Trasnsformer at Site.
11Repairing / Rewinding of 1000KVA / 11KV/415 Power TransformerCopper Winding Strip for H.T & LT side
12Cost of Insulating material 15% of item no 01
13Cost of Labour Charge 15% of item no.01
14Assembling and dismantling of top corner, unit conservator, oil indicator, breather, fins, buchholz relay etc work by new gas kit changing work
15Replacement of Cork Gasket Set 1-8mm thickness
16Replacement of Breather pot with silica gel
17Heating of transformer unit to improve its insulation value
18Spraying of varnish of transformer unit and inner side transformer body
19Filtration of old transformer Oil
20Installation Testing and commissioning of the repaired Trasnsformer at Site.
21Less Crap value @60% of Item No.1 & 11 (183559.20 & 210553.20)
22Total impact of GST for the purpose of CTC Please Enable Macros to View BoQ information

AI Tender Summary

OUR REF NO 56716458
AUTHORITY Boards / Undertakings / PSU
TENDER VALUE 6.55 Lakhs
LAST DATE 07-08-2026
Authority
Authority Name Central Coalfields Limited
Work Description Tender for I) Repairing / Rewinding Of 630 Kva /3.3 Kv/440 Volt , Transwitch Unit Sl. No.02/92/033, Make- Andrew Yule Installed At Officers Club (Rest House) Substation And Ii) Repairing / Rewinding Of 1000 Kva / 11Kv/415 Volt, Power Transformer, Make The Hindustan Electric Co. Ltd. Sl. No.Missing, Local Sl. No.4200 (Ppr Colony) Installed At Vasant Vihar C Type Substation In Bachra Township Under Gm Unit, Piparwar Area.
Basic Detail
Tender No SO(EnM)/PPR/eNIT/26-27/26
Bidding Type Tender
Location
City Chatra
State Jharkhand
Key Dates
Publish Date 28 Jul 2026
Submission Date 07 Aug 2026
Open Date 08 Aug 2026
Finance
Tender Value 6.55 Lakhs
Tender Fee Ref. Documents
EMD 8200
Exemption Not Available
Document List
674c832a-7882-487d-a5e3-10e5aa9049a5.html
BOQ_375577.xls
Tendernotice_1 (17).pdf
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Tender Timeline

Jul 28, 2026
11:30 IST

Tender Published

Tender notice published.

Completed
Aug 07, 2026
17:00 IST

Bid Submission Deadline

Online submission via eProcurement portal.

Upcoming · 5 days
Aug 08, 2026

Bid Opening Date

Technical bids will be opened and evaluated.

Upcoming · 6 days

Tender Documents

Download All (ZIP) ↓
html

674c832a-7882-487d-a5e3-10e5aa9049a5.html

xls

BOQ_375577.xls

pdf

Tendernotice_1 (17).pdf

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