GEM

NMDC Limited Diesel Welding Machine 500 Amp Tender Dantewada Chhattisgarh 60% Duty, 2025

Bid Publish Date

22-Nov-2025, 11:31 am

Bid End Date

16-Dec-2025, 3:00 pm

EMD

₹6,670

Location

DANTEWADA , CHHATTISGARH

Progress

Issue22-Nov-2025, 11:31 am
AwardPending
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Quantity

9

Category

2200002226 - Diesel Welding Machine 500 Amp Capacity

Bid Type

Two Packet Bid

Categories 17

WELDING MACHINE WIND MILL ENERGY PROJECT TUBE AND FITTING PLATFORM SCALE TRANSPORTATION OF DIESEL WELDING GENERATOR WELDING TOOL DAM METAL PRODUCTS STEEL FURNITURE ERECTION OF STRUCTURAL STRUCTURE FABRICATION FABRICATOR WELDING MACHINE PARTS MACHINE PETROLEUM FUELS MANUFACTURING SERVICES

Tender Overview

Organization: NMDC Limited; Product: Diesel Welding Machine with 500 Amp capacity for SMA welding; Location: Dantewada, Chhattisgarh; Estimated Value: not disclosed; EMD: ₹6,670; Scope covers a rugged, high-frequency, brushless welding generator with a totally enclosed canopy and independent auxiliary power sources (10kVA 415V3ph and 3kVA 230V 1ph). Key differentiators include remote current control, stepless regulation, and wide electrode range (2.5 mm to 6.3 mm). Unique clause permits up to ±25% quantity variation and extended delivery proportional to original delivery period.

Technical Specifications & Requirements

  • Fuel/Cooling: Three/Four cylinder water-cooled diesel engine; high-frequency brushless generator for maintenance-free welding; canopy protects from rain/dust and reduces noise.
  • Electrical/Voltage: Open Circuit Voltage around 100 V; auxiliary power sources: 10kVA 415V3ph and 3kVA 230V1ph; battery voltage 12 V; self starter: Lucas TVS or equivalent.
  • Welding: Current range 50-500 A with maximums 500 A at 60% duty cycle and 400 A at 100% duty cycle; current regulation is stepless via panel and remote unit; electrode sizes 2.5-6.3 mm.
  • Mechanical: Engine and generator mounted on rigid chassis/skid; gauges include oil pressure, water temp, fuel, ammeter/charge, hours meter; enclosure minimizes noise and dust.
  • Compliance/Notes: Isolated control via independent circuit breakers for auxiliary sources; 100 V OCV specified for arc striking.

Terms, Conditions & Eligibility

  • EMD: ₹6,670; payment terms not disclosed in summary but bid terms allow option-based quantity changes up to 25% during and after contract; delivery period extends proportionally with order adjustments; compliance with option clause required.
  • Delivery: Delivery scheduling tied to last date of original delivery order; extension rules apply per option clause; minimum extension baseline 30 days.
  • Documentation/Submission: Bidders must adhere to Buyer Added ATC terms; ensure OEM authorization and technical compliance as applicable; GST/PAN and other standard tender documents likely required per generic terms.

Key Specifications

  • Diesel Engine Driven Welding Set, 500 A

  • Three/ four cylinder water-cooled diesel engine

  • High Frequency brushless welding generator

  • Open Circuit Voltage ~100 V

  • Welding current range 50-500 A

  • Maximum 500 A at 60% duty, 400 A at 100% duty

  • Electrode size 2.5-6.3 mm

  • Auxiliary power: 10kVA 415V3ph and 3kVA 230V1ph

  • Independent circuit breakers for auxiliaries

  • Chassis/skid mounting; enclosed canopy

  • Gauges: oil pressure, water temp, fuel, Ammeter, hours meter

  • Battery 12 V; starter Lucas TVS or equivalent

Terms & Conditions

  • Quantity variation up to 25% during/after contract; extended delivery per original schedule

  • EMD of ₹6,670; delivery terms tied to original delivery date

  • ATC terms require compliance with OEM and technical specs; delivery and payment terms to be finalized

Important Clauses

Payment Terms

EMD amount of ₹6,670 must be submitted; payment terms to be as per ATC and contract; no explicit milestone terms provided in data

Delivery Schedule

Delivery starts from last date of original delivery order; option to extend quantity requires proportional time extension with minimum 30 days

Penalties/Liquidated Damages

No explicit LD details provided in data; option clause implies delivery risk management via schedule extensions

Bidder Eligibility

  • Experience in supplying welding equipment for similar capacity

  • Financial capacity to support up to 25% quantity variation

  • Compliance with OEM and safety certifications (if specified)

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Required Documents

1

GST registration certificate

2

PAN card

3

Experience certificates for welding equipment supply

4

Financial statements ( last 2-3 years )

5

EMD payment proof (₹6,670)

6

Technical bid documents

7

OEM authorization/cendorization documents

8

Any specified safety/compliance certificates (if issued)

Frequently Asked Questions

Key insights about CHHATTISGARH tender market

How to bid for NMDC welding machine tender in Dantewada 2025

Bidders must submit GST, PAN, EMD ₹6,670, and experience certificates with technical bid. Include OEM authorizations and safety certifications. Ensure compliance with option clause allowing ±25% quantity changes and delivery extensions based on original timelines.

What documents are required for NMDC welding equipment procurement 2025

Submit GST registration, PAN, financial statements, experience certificates for welding equipment supply, EMD receipt, technical bid, and OEM authorization. Ensure auxiliary power and canopy details align with the 500 A diesel welding machine specifications.

What are the key technical specs for 500A welding machine NMDC

Key specs include a diesel engine with water cooling, high-frequency brushless generator, Open Circuit Voltage ~100 V, welding current range 50-500 A, 60% duty allows 500 A, 100% duty 400 A, electrode range 2.5-6.3 mm, and auxiliary 10kVA 415V3ph plus 3kVA 230V1ph.

What are the delivery terms for NMDC welding equipment tender

Delivery starts from the last date of the original delivery order; if quantity increases by up to 25%, extended time is calculated as (Increase/Original) × Original delivery period, minimum 30 days.

What is the EMD amount for NMDC 500A welding tender

EMD required is ₹6,670. Payment mode and submission details follow the buyer ATC terms; ensure EMD is documented with bidder submission package.

What compliance standards are expected for welding generators

Expect compliance with safety and performance standards for diesel welding sets, including IS/IEC if specified in ATC; confirm OEM authorization and warranty terms for the 500 A unit.

How to verify eligibility for NMDC welding equipment supply

Confirm1: at least prior experience supplying welding machines; 2: financial capacity to handle up to 25% quantity variation; 3: valid GST, PAN, and OEM authorization; 4: ability to meet 100 V OCV and 60%/100% duty cycle specs.

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