Northern Coalfields Limited Welding Cable (V2) IS 9857 Tender 2025 in India

Tender Overview

Northern Coalfields Limited, a Coal India Limited unit, invites bids for welding cable (V2) conforming to IS 9857:1990 (Latest) with ISI marking, including 70 sqmm aluminium conductor, 2.40 mm covering thickness, and HOFR SE3 elastomeric insulation per IS 6380:1984. Key scope encompasses cable construction (conductor, separator, covering) and acceptance testing (annealing, conductor resistance, covering thickness, high voltage water immersion). The bidder must provide advance samples for buyer approval and submit test certificates from designated labs. Estimated value and EMD are not disclosed. Delivery remains subject to option clauses allowing up to 25% quantity variation at contracted rates.

Technical Specifications & Requirements

• Governing specification: IS 9857:1990 (Latest)
• ISI marked: Yes
• Conductor type & material: Circular Aluminum Conductor; compliance to IS 8130:1984
• Covering: HOFR silicone elastomeric compound Type SE3 per IS 6380:1984, heat and oil resistant, flame retardant
• Nominal Cross-Sectional Area: 70 sqmm
• Nominal Thickness of Covering: 2.40 mm
• Current ratings: As per IS 9857 Clause 14.1 and Table 5 (Latest)
• Construction details: Conductor, Separator (dry paper or polyester tape), and HOFR covering
• Acceptance tests: Annealing, Conductor resistance, Covering thickness, High voltage test (water immersion)
• Test certificates: To be submitted with quoted item; advance samples required for approval
• Other compliance: BIS marking; Test Report availability from NABL/ILAC/Central Govt Lab upon demand

Terms, Conditions & Eligibility

• Option clause: Purchaser may increase/decrease quantity by up to 25% at bid quantity; extended delivery time computed as (Increased quantity ÷ Original quantity) × Original delivery period, minimum 30 days
• Scope of supply: Bid price includes all cost components for the supply of goods only
• Delivery terms: Delivery period aligned with option clause; commencement from last date of original delivery order
• Advance sample: Required before commencement of supply; submit advance samples for buyer approval
• Lab/testing: Provide test certificates from Central Govt/NABL/ILAC accredited labs on demand
• Marking: ISI marked and BIS certified
• Payment terms: Not specified in data; typical public procurement terms apply
• Penalties: Not specified in data; accept standard LOI/LD clauses as per buyer terms
• Documentation: GST, PAN, experience evidence, financial statements, EMD/Security, technical bid, OEM authorization (as applicable)