Automatic and Semi Automatic Welding Equipment with Self Adjusting Arcs MIG / MAG as per IS 7931 (P
South Western Railway
Bid Publish Date
21-Jan-2026, 11:35 am
Bid End Date
02-Feb-2026, 12:00 pm
Progress
Quantity
1
Bid Type
Two Packet Bid
Bhakra Beas Management Board seeks automatic and semi-automatic welding equipment with self-adjusting arcs (MIG/MAG) compliant to IS 7931 (Parts I-III). The procurement focuses on a DC welding generator power source with specific performance metrics, including duty cycle and wire-feeding capability. The contract anticipates delivery terms aligned to option clauses allowing quantity fluctuations up to 25%, with a baseline delivery period and customer inspection terms. The scope emphasizes standards conformance, serviceability, and a robust warranty framework tied to commissioning and supply timelines. This tender targets suppliers with precise capability in modern welding equipment design and ISI/IS standards adherence, ensuring uniformity across BBMB projects and maintenance programs.
IS 7931 conformance for MIG/MAG welding with self-adjusting arcs
DC welding generator power source per IS 7931 (Part-I)/1975
Maximum welding current at 100% and 85% duty cycle
Torch current rating at 60% duty cycle
Wire feed speed and drive system specifications
Wire diameter range and torch length
Warranty period (years) and post-delivery support
Quantity may increase/decrease by up to 25% during contract
Pre-dispatch inspection conducted at seller premises
Materials guaranteed for 12 months post commissioning or 18 months from supply
BBMB terms allow option-based quantity variation; payment terms not explicitly defined in data provided.
Delivery period commences from last date of original delivery order; extended delivery times calculated with a minimum 30 days.
LD details are not specified; inspection-based rejection rights retained by consignee.
Experience supplying MIG/MAG welding equipment per IS 7931
Demonstrated DC welding power source capability
Ability to meet pre-dispatch inspection requirements and warranty terms
Main Document
CATALOG Specification
GEM_GENERAL_TERMS_AND_CONDITIONS
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Tender Results
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| Category | Specification | Requirement |
|---|---|---|
| Standards | Conformation of automatic and semi automatic welding equipment with self adjusting arcs (MIG/MAG process) | "Conformity to IS: 7931 part 1 & Part 3" |
| Standards | DC welding generator power source conform to IS:7931/(Part-I)/1975 | Yes |
| Performance Parameters | Type of power Source | Three Phase Supply |
| Performance Parameters | Maximum automatic continuous welding current (in amp) at 100 percent duty cycle (Amp @ Duty Cycle) | 1250.0, 1200.0 |
| Performance Parameters | Maximum automatic continuous welding current (in amp) at 85 percent duty cycle (Amp @ Duty Cycle) | 1200.0, 1080.0 |
| Performance Parameters | Drive System for Wire Feeder | servo-controlled stepless drive system |
| Performance Parameters | Type of metal which can be welded | Mild Steel |
| Performance Parameters | Pulse synchronization | No |
| Performance Parameters | Current rating of torch at 60 % duty cycle (Amp @ Duty Cycle) | 1200, 1000 |
| Performance Parameters | Wire feed speed in mm/min | 4000 |
| Performance Parameters | Rating (in Amperes) | 600.0 |
| Performance Parameters | Warranty (in years) | 1, 2 |
| Dimensional Parameters | Diameter of wire with range (in mm) | (.8 to 1.2) mm, (1.2 to 2.4) mm |
| Dimensional Parameters | Length of torch (in meters) | Any applicable numeric value |
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GST registration
PAN card
Experience certificates in welding equipment supply
Financial statements (latest audited)
EMD documentation if applicable
Technical bid documents demonstrating IS 7931 conformance
OEM authorizations (if bidding as dealer)
Pre-qualification proofs and installation capability certificates
Bidders must submit GST, PAN, experience certificates, and financial statements along with technical bids demonstrating IS 7931 conformance. Ensure OEM authorizations if not direct manufacturer. EMD submission may apply; review option clause allowing up to 25% quantity variation. Prepare pre-dispatch inspection readiness and warranty terms aligned to BBMB requirements.
Required documents include GST registration, PAN, company financials, experience certificates for welding equipment supply, technical bid showing IS 7931 compliance, OEM authorization if applicable, and any pre-dispatch inspection capability proofs. Ensure you can support 12-month guarantee post commissioning or 18 months from supply.
Key specs include DC power source per IS 7931 (Part I) 1975, maximum welding currents at 100% and 85% duty cycles, torch current at 60% duty, wire feed speed, drive system for wire feeder, wire diameter range, and torch length. Pulse synchronization capability and type of metal suitability are essential evaluation criteria.
Delivery starts from the last date of the original delivery order; option-based extensions may apply with a minimum 30 days. Pre-dispatch inspection occurs at seller premises; buyer may appoint external agency with related charges borne by the buyer. Inspection window is 7 days post notification.
Warranty spans 12 months from commissioning or 18 months from supply, whichever earlier. Penalties or liquidated damages terms are not explicitly stated; buyer retains right of rejection after final delivery based on BBMB GTC guidelines, with external testing charges borne by the buyer.
Suppliers must demonstrate MIG/MAG self-adjusting arc capability with DC generator per IS 7931, including pulse synchronization and drive system specifications. The bid should cover all performance metrics (duty cycle, current ratings, wire feed rates) and confirm compliance with IS 7931 Parts I-III.
If bidding as a dealer, submit OEM authorization documents certifying product supply rights. Ensure the vendor can deliver the exact MIG/MAG equipment per IS 7931 and provide post-sale support, calibration, and on-site installation as required by BBMB procurement terms.
The tender allows quantity variation up to 25% of bid quantity at contract placement and during currency. While the exact estimated value is not disclosed here, bidders should prepare pricing with scalable volumes and confirm unit rates under contracted terms and IS 7931 compliant equipment.
Southern Railway
📍 ERODE, TAMIL NADU
Southern Railway
📍 ERNAKULAM, KERALA
Directorate Of Technical Education
📍 PANCH MAHALS, GUJARAT
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Main Document
CATALOG Specification
GEM_GENERAL_TERMS_AND_CONDITIONS