GEM

Eastern Coalfields Limited Construction of chemical earth pits at Chitra Colliery SP Mines Area 2025 - Earthing electrodes, Bentonite backfill & CMPF/CMPS

Bid Publish Date

26-Nov-2025, 10:32 am

Bid End Date

06-Dec-2025, 11:00 am

EMD

₹20,100

Value

₹16,08,501

Location

JAMTARA , JHARKHAND

Progress

Issue26-Nov-2025, 10:32 am
AwardPending
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Quantity

1

Bid Type

Two Packet Bid

Key Highlights

  • • Brand/OEM requirements: None specified; focus on earth pit components and bentonite backfill
  • • Technical standards/certifications: Not specified in provided data; bidders should confirm site-safety and electrical installation norms
  • • Special clauses: Quantity/duration adjustment up to 25%; excess settlement for invoicing with required supporting documents
  • • Eligibility: Experience in mining-site earth pit construction and transformer earthing installations; site safety compliance
  • • Warranty/AMC: Not stated; bidders should seek clarity on post-installation support
  • • Penalties/Performance bonds: Not disclosed; verify with tender authority during bid submission
  • • Delivery/installation: On-site installation at Chitra Colliery SP Mines Area; 76 earthing units and 1,900 kg Bentonite backfill
  • • Payment terms: Not explicit; expect standard Coal India/ECIL terms with possible advance/milestone payments

Categories 7

AD FILM ELECTRICAL SUBSTATION SERVICES STATIC CONVERTERS CONSTRUCTION LIGHTING SUB STATION

Tender Overview

Eastern Coalfields Limited invites bids for the construction of new chemical earth pits to support distribution and lighting transformers installed in mines under the Chitra Colliery, SP Mines Area. The scope includes supply of earthing electrodes (length 3000 mm, outer dia 80 mm, inner dia 40 mm, terminal dia 14 mm) in quantities of 76 units, supply of bentonite powder backfill (25 kg bags) totaling 1,900 kg, and installation of the items. The package also lists employer contributions: CMPF @12% and CMPS @7%. The estimated contract value is ₹1,608,501 with an EMD of ₹20,100. The bid allowance includes quantity/duration adjustments up to 25% and an option for excess settlement on invoicing. Unique to this tender is the mining-site context and the integration of backfill material with electrical earth pits, plus contractor contributions. This opportunity targets specialized earth pit construction within Coal India Limited’s mining infrastructure program.

Technical Specifications & Requirements

  • Product/services: Construction and installation of chemical earth pits for distribution/lighting transformers in mines
  • BOQ items: Earthing electrode supply, Bentonite powder backfill, installation, CMPF/CMPS employer contributions
  • Quantities: Earthing electrodes – 76 units; Bentonite backfill – 1,900 kg; Installations – 76 units; Employer contributions – 1 each for CMPF/CMPS
  • EMD: ₹20,100; Estimated value: ₹1,608,501
  • Delivery context: Mines under Chitra Colliery, SP Mines Area; site-specific safety and environment considerations
  • Special clauses: Quantity/duration adjustments up to 25%; Excess settlement option for invoices with supporting documents

Terms, Conditions & Eligibility

  • EMD: ₹20,100; payment terms and submission as per terms
  • Delivery timeline: Delivery/delivery acceptance terms are tied to contract issuance; site installation at Chitra Colliery mines area
  • Payment terms: Not explicitly detailed; invoicing follows contractor terms with excess settlement option
  • Documents: Standard bid submission with GST, PAN, experience, financials, and technical compliance as per T&C
  • Warranty/penalties: Not explicitly specified in provided terms; ensure compliance with project-level safety and performance
  • Eligibility: Bidders must meet mining-site capability and electrical earth pit experience; adhere to option clause for quantity/duration adjustments

Key Specifications

  • Earthing electrode: Length 3000 mm, outer diameter 80 mm, inner diameter 40 mm, connection terminal diameter 14 mm

  • Bentonite backfill: 25 kg bags, total 1,900 kg

  • No explicit performance or IS/ISO standards stated; site-specific electrical earth pit installation within mining area

  • Quantity: 76 earthing units; 76 installation jobs; 1 CMPF and 1 CMPS contribution entry each

Terms & Conditions

  • EMD amount ₹20,100 must accompany bid and be in acceptable form as per T&C

  • Quantity/duration adjustments permitted up to 25% at contract issue and during issuance

  • Excess settlement option allows additional charges up to a specified percentage with documentation

  • Delivery and installation to be performed at Chitra Colliery SP Mines Area

  • Safety, mining-site adaptation, and environmental considerations are implied but not detailed

Important Clauses

Payment Terms

Excess settlement allowed; additional charges must be declared during invoicing with supporting documents; total invoice amount including extras must align with order limit

Delivery Schedule

Delivery/installation to be completed as per contract issuance; on-site works at Chitra Colliery mines area with set quantity (76 units) and 1,900 kg bentonite backfill

Penalties/Liquidated Damages

Not explicitly stated; bidders should verify LD terms during final contract and potential performance bonds

Bidder Eligibility

  • Experience in mining-site earth pit construction and transformer earthing installations

  • Demonstrated safety compliance and site-specific mining regulations adherence

  • Financial stability evidenced by audited statements and GST registration

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Required Documents

1

GST registration certificate

2

Permanent Account Number (PAN) card

3

Experience certificates for similar earth pit and transformer earthing installations

4

Financial statements and turnover proof

5

EMD payment confirmation (₹20,100)

6

Technical bid documents and safety compliance certificates

7

OEM authorizations (if any components require OEM confirmation)

8

Project-site safety plans and miner’s safety compliance documents

Frequently Asked Questions

Key insights about JHARKHAND tender market

How to bid for the earth pits tender in Chitra Colliery SP Mines Area 2025

Bidders must submit GST, PAN, experience certificates, financials, and EMD ₹20,100 along with technical compliance documents. The project involves 76 earthing units and 1,900 kg bentonite backfill; ensure proof of mining-site installation capability and safety approvals.

What documents are required for the earth pits procurement bid in 2025

Required documents include GST registration, PAN, company financials, past project experience certificates for earth pit/earthing works, EMD receipt, technical bid, any OEM authorizations, and safety/clearance certificates for mining installation sites.

What are the key technical specs for earthing electrodes in this tender

Key specs: 3000 mm length, 80 mm outer diameter, 40 mm inner diameter, 14 mm terminal diameter; 76 units required with installation 76 sites; ensure compatibility with copper piping for transformer earthing and site safety standards.

What is the estimated contract value and EMD amount for this bid

The estimated contract value is ₹1,608,501. The earnest money deposit required is ₹20,100, payable per the bid terms; ensure payment method aligns with tender instructions and submission deadlines.

What are the delivery and installation requirements for the SP Mines Area project

Delivery and installation occur on-site at Chitra Colliery SP Mines Area. The contract contemplates 76 earthing installations and corresponding backfill; ensure on-site safety plans and coordination with mining operations prior to mobilization.

What is the excess settlement option and how to apply it

Excess settlement allows bidders to include additional charges up to a defined percentage of the item value; declare applicability during invoice creation and attach mandatory supporting documents; total invoice amount must not exceed the order limit.

What are the key eligibility criteria for mining-site earthing work bids

Eligibility requires demonstrated mining-site experience in earth pit construction and transformer earthing, safety compliance with mining regulations, and financial stability evidenced by audited statements; verify GST and PAN validity prior to submission.

What warranties or post-installation support are specified for this tender

The provided data does not specify warranty or AMC terms; bidders should seek explicit post-installation support requirements during bid clarification and capture any site-specific maintenance obligations in the contract.