GEM

GEM Tender 2026 Power Generation DAs Maintenance for Ship Machinery – Specifications, Terms & Eligibility

Bid Publish Date

05-Jan-2026, 9:53 am

Bid End Date

14-Jan-2026, 6:00 pm

Progress

Issue05-Jan-2026, 9:53 am
AwardPending
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Quantity

1

Categories 7

Tender Overview

The tender seeks maintenance/rectification services for a ship’s power generation system, specifically addressing the Stbd DA (Make: Greaves cotton, Model: TBD2V6MKI) with sub-optimal performance due to low oil pressure and power loss. Scope includes calibration of fuel injectors, thermostat checks, mechanical inspections, coolant system refurbishment, seals/gaskets renewal, and multiple pressure-tested components (heat exchanger, oil cooler, intercooler) with specified pressure targets. Although organization and location are not disclosed, the procurement involves complex, multi-point diagnostic work and reassembly to restore full power output, including replacement of pumps, valve seats, and fresh-water system components. The project requires precise pressure testing, seal renewal, and mechanical verification across interconnected shipboard systems, emphasizing reliability and safety in marine propulsion.

Technical Specifications & Requirements

  • Product/service: marine propulsion diagnostics, calibration, and refurbishment of the Stbd DA and associated auxiliary systems
  • Key tasks: injector calibration, injector pressure reset, thermostat checks/replacement, flexible couplings, fasteners inspection, cooler/oil/intercooler seal renewals, humidity-inhibitor treatment to coolant, zinc anode renewal, pumps re-fitment, exhaust line/bellows inspection, air intake manifold cleaning, valve gear inspection, cylinder head work, gasket renewal, water pressure tests
  • Required tests: heat exchanger pressures (Sea water 04 Bar, Fresh water 04 Bar), Oil side 10 Bar, Intercooler 2.5 Bar/4 Bar, gravity test, leakage checks
  • Deliverables: repaired/refitted components, renewed seals, tested assemblies, documented pressure test results
  • Standards/qualifications: not specified in provided data, but involves marine mechanical/maintenance best practices
  • BOQ: Total items listed: 0
  • Estimated value: not disclosed
  • EMD: not disclosed
  • Delivery timeframe: not disclosed

Terms, Conditions & Eligibility

  • Quantity/duration adjustment: up to 25% allowed at contract issue and post-issuance
  • Scope specifics: defect rectification with multiple maintenance tasks on shipboard DAs
  • Documentation: standard tender submission requirements not enumerated in the provided text
  • Penalties/LD: not specified
  • Warranty/AMC: not specified
  • OEM/Brand: Greaves cotton mentioned; model TBD for Stbd DA
  • Payment terms: not disclosed
  • Location: not disclosed
  • Experience/turnover: not disclosed
  • Compliance: marine equipment maintenance competencies implied

Key Specifications

  • Stbd DA marine power-plant maintenance

  • Calibration of fuel injectors and injector pressure reset

  • Thermostat inspection/replacement

  • Inspection of flexible couplings and fasteners

  • Chemical cleaning of heat exchanger, renewal of O-rings/gaskets

  • Zinc anodes renewal on heat exchangers/intercoolers/exhaust manifolds

  • Fresh water/oil cooling system pressure tests with exact bar targets

  • Pumps removal/refit, potential replacement after inspection

  • Valve gear inspection, valve seat renewal and cylinder head work

  • Air intake manifolds cleaning and pipe line inspection

  • Water pressure test under gravity head from overhead tank

  • Documentation of test results and corrective actions

Terms & Conditions

  • EMD amount and exact submission method not disclosed

  • Delivery timeline and payment terms are not provided in the text

  • SOW includes extensive marine diesel/almost-auxiliary system maintenance

Important Clauses

Payment Terms

No explicit payment terms published; bidders should seek clarification on milestones and payment schedule

Delivery Schedule

No delivery timeline provided; the contract mentions 25% quantity/duration adjustment at issue and post-issuance

Penalties/Liquidated Damages

No LD details specified; bidders should verify consequences for delays or non-conformity

Bidder Eligibility

  • Experience in marine propulsion system maintenance for diesel/auxiliary engines

  • Demonstrable capability in fuel injector calibration and valve gear work

  • Ability to perform high-pressure tests on heat exchangers and cooling systems

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Required Documents

1

GST registration certificate

2

PAN card

3

Experience certificates for marine propulsion maintenance

4

Financial statements or turnover proof

5

EMD/Security deposit documents (as applicable)

6

Technical bid documents detailing capability for marine DAs

7

OEM authorizations or dealer certificates for Greaves Cotton engines (if required)

Frequently Asked Questions

Key insights about ANDHRA PRADESH tender market

How to bid for the GEM ship propulsion maintenance tender in 2026?

Bidders should register on the GEM portal, submit GST and PAN, provide marine propulsion maintenance experience, and attach OEM authorizations. Ensure technical bid demonstrates injector calibration, valve gear service, and high-pressure tests with bar targets. EMD and financials must be prepared if required by the buyer.

What documents are required for ship DA maintenance bid in 2026?

Required documents include GST certificate, PAN, experience certificates for marine propulsion, financial statements, EMD documents, technical bid detailing capability, and OEM authorizations for Greaves Cotton equipment as applicable. Ensure all documents cover calibration and pressure-testing competencies.

What are the technical specifications for the Stbd DA maintenance?

Technical requirements cover injector calibration, thermostat checks/replacement, fuel pressure reset, cooling system renewals, seal/gasket renewal, and pressure testing of heat exchanger, oil cooler, and intercooler with specified pressure bars. Documentation of results and corrective actions is essential.

What is the expected delivery timeline for the marine engine work?

The tender text does not publish a fixed delivery schedule. Bidders should seek clarification on start date, milestones, and completion window, while noting the 25% quantity/duration adjustment option at contract issue.

What are the EMD and payment terms for this GEM tender?

Exact EMD amount and payment terms are not disclosed in the provided data. Respondents should confirm EMD submission method and whether staged payments or milestones apply, and align with any specified bar targets for pressure-tested components.

Which brands or OEMs are specified for the maintenance scope?

The SOW references Greaves Cotton for the Stbd DA (Model TBD2V6MKI). Bidders should verify OEM authorization requirements, potential brand restrictions, and compatibility with Greaves Cotton components during bidding.

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