West Central Railway Portable DC Arc Welding Rectifier Tender Bhopal MP IS 4559 1993 IS 13340 2012 2025
West Central Railway
BHOPAL, MADHYA PRADESH
Posted:
1 January 2026
Closed:
13 January 2026
GEM
GEM
Southern Railway Portable Single-Operated Rectifier DC Arc Welding Set Tender 2026 IS 4559 IS 13340 BIS Marked
Bid Publish Date
14-Jan-2026, 1:06 pm
Bid End Date
30-Jan-2026, 10:00 am
Location
Progress
Issue14-Jan-2026, 1:06 pm
AwardPending
Quantity
10
Bid Type
Two Packet Bid
Tender Overview
The procurement by Southern Railway (Indian Railways) seeks a Portable Rectifier Inverter-based DC Arc Welding Set (single-phase, 240V) with IS 4559:1993 conformance and IS 13340:2012 capacitor standard, plus BIS Marked certification. The scope emphasizes a compact, 20×12×? cm class portable unit (approx. 12 kg) delivering 200 A at full load with forced air cooling, suitable for MS electrode welding with 2.5 mm electrodes. The supplier must provide equipment with MS electrode compatibility, and bean-counted features like a regulated welding current, minimum and maximum load voltages, and ISI-compliant capacitors. The purchase category is supply-only, with delivery terms aligned to the contract and option for quantity adjustments up to 25% during and after order placement.
Technical Specifications & Requirements
- Product type: Portable rectifier inverter-based DC arc welding set (single bridge, IG/TB T type).
- Standards: IS 4559/1993 (latest amendments), IS 13340/2012 capacitors, BIS Marked.
- Electrical: 240V input, 200 A rated rectifier current; open-circuit voltage and load voltages to be within welding range; forced-air cooling suitable.
- Physical: Approx. 12 kg weight; wheel material: Cast Iron; electrode size compatibility 2.5 mm; compact dimensions per suitable size.
- Warranty: Manufacturer warranty stated in terms; WTC/GC sample approval prior to bulk supply.
- Delivery & Acceptance: Consignee inspection per WTC and Guarantee Certificate; samples approved before bulk supply.
Terms, Conditions & Eligibility
- EMD/Financials: Not specified in data; bidders should anticipate standard EMD per Govt norms.
- Delivery period & extension: Option clause allows up to 25% quantity variation with delivery period adjustments; minimum extension rules apply.
- ATC & packing: MS electrode type, 470 μF capacitor for PF; secure packing for moisture/transport protection.
- Documentation: Submit WTC, GC, technical compliance, and integration certificates as part of bid; OEM authorization may be required.
- Payment terms: Not specified; bidders should confirm contract terms during bid finalization.
- Testing & acceptance: One sample tested and approved by consignee before bulk supply; test certificates to be submitted with bulk supply.
Key Specifications
-
Product: Portable rectifier inverter-based DC arc welding set (single bridge, 240V, 200A)
-
Standards: IS 4559/1993 (latest amendments), IS 13340/2012 capacitor, BIS Marked
-
Performance: Open-circuit voltage and weld load voltages; maximum continuous welding current at specified duty cycles (100% and 60%)
-
Mechanical: Weight ~12 kg; wheel type: Cast Iron; electrode compatibility 2.5 mm
-
Cooling: Forced air cooled; electrode type MS; trailing dimensions per suitable size
Terms & Conditions
-
Option clause allows ±25% quantity variation with corresponding delivery time adjustments
-
Supply-only scope; no ancillary services; bulk supply requires sample approval (WTC/GC)
-
Welding set must be IS 4559 and IS 13340 compliant with BIS certification
Important Clauses
Payment Terms
Not specified in data; bidders should confirm payment schedule and milestones in bid response
Delivery Schedule
Delivery period to commence from last date of original delivery order; option quantity may extend delivery time; minimum 30-day floor for extension
Penalties/Liquidated Damages
Not specified in data; bidders should seek clarity on LD or performance bonds during negotiations
Bidder Eligibility
-
Experience in supplying portable welding equipment conforming to IS 4559
-
IST/BIS marking certification and OEM authorizations
-
Financial stability and GST compliance
Documents 3
GeM-Bidding-8839785.pdf
Main Document
CATALOG-Specification-1
CATALOG Specification
GEM General Terms and Conditions Document
GEM_GENERAL_TERMS_AND_CONDITIONS
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Technical Specifications
1 Item
Item #1 Details
View Catalog| Category | Specification | Requirement |
|---|---|---|
| Standards | Welding set conforming to IS:4559/1993 with latest amendments | Yes |
| Standards | Capacitor conforming to IS:13340/2012 | Yes |
| Standards | BIS Marked | No |
| Performance Parameters | Type of welding set | Rectifier inverter based(IGTB) double bridge type |
| Performance Parameters | Type of power supply | Three phase |
| Performance Parameters | Rated input voltage | 415V,three Phase with trapping to compensate for variation in input supply |
| Performance Parameters | Current rating for rectifier type power source in ampere | 300.0 |
| Performance Parameters | Maximum Continuous Automatic Current in ampere | 185.0 |
| Performance Parameters | Maximum Continuous Hand Welding Current in Amp | 300.0 |
| Performance Parameters | Open-Circuit Voltage in Volts | 65.0 |
| Performance Parameters | Min Welding load voltage (at min welding current) in Volts | 22.0 |
| Performance Parameters | Max Welding load Voltage(at max welding current) in Volts | 34.0 |
| Performance Parameters | Maximum continuous welding current at 100% duty cycle(Amp @ duty cycle) | 185.0 |
| Performance Parameters | Maximum continuous welding current at 60% duty cycle(Amp @ duty cycle) | 300.0 |
| Performance Parameters | Type of welding current regulator | Step less Type |
| Performance Parameters | Type of insulation level | Class F |
| Performance Parameters | Warranty in Years | 3 |
| Dimensional and Material Parameters | Dimension of electrode in mm | 2.5 |
| Additional Parameters | Type of wheel | Bi-directional |
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Required Documents
1
GST certificate
2
PAN card
3
Experience certificates
4
Financial statements
5
EMD documents (as per standard norms)
6
Technical bid documents
7
OEM authorization/authorization letters
8
Works Test Certificate (WTC) and Guarantee Certificate (GC) for sample
9
ISI/BIS marks certifications and IS 4559/1993 compliance证明
10
Capacitor rating (IS 13340/2012) conformity certificates
Frequently Asked Questions
Key insights about TAMIL NADU tender market
How to bid for Southern Railway welding equipment tender in 2026?
Bidders should ensure IS 4559 compliance, IS 13340 capacitor rating, and BIS marking; prepare OEM authorizations, WTC/GC samples, and GST/PAN/financials; delivery terms follow the option clause up to 25% quantity variation with adjusted timelines.
What documents are required for the welding set tender submission?
Submit GST certificate, PAN, experience certificates, financial statements, EMD documentation, technical bid, OEM authorization, BIS/ISI certifications, and WTC/GC for sample approval prior to bulk supply.
What are the key standards for the welding rectifier set?
The welding set must conform to IS 4559/1993 with latest amendments, use IS 13340/2012 capacitor, and be BIS Marked for compliance and reliability in railway environments.
What is the expected electrode compatibility and cooling method?
The unit supports 2.5 mm MS electrodes and uses forced air cooling, ensuring stable arc performance and thermal management during continuous welding tasks.
When is delivery and inspection expected for the sample welding set?
Consignee inspection occurs against WTC and GC; one sample must be approved before bulk supply, with test certificates submitted at bulk supply.
What are the minimum reliability features required for the 200A unit?
Required features include a 200A rectifier current, open-circuit/load voltages within welding range, and a compact portable design weighing around 12 kg with cast iron wheels.
What warranty or post-sale support is required for the welding set?
Warranty duration is stated as per tender terms; ensure a formal warranty quote and AMC details are included; verify IS/ISI warranty conditions with the OEM.
How to ensure BIS marking and ISI certifications are valid?
Submit BIS certification details and ISI conformity certificates; ensure the welding set carries BIS mark and IS 4559/1993 compliance with latest amendments.
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Documents 3
GeM-Bidding-8839785.pdf
Main Document
CATALOG-Specification-1
CATALOG Specification
GEM General Terms and Conditions Document
GEM_GENERAL_TERMS_AND_CONDITIONS