Central Coalfields Limited 11KV VCB & Transformer Ancillaries Tender Bokaro Jharkhand 2026

Tender Overview

Central Coalfields Limited (Coal India Limited) invites bids for a comprehensive package of high‑voltage electrical equipment and ancillary components located in BOKARO, JHARKHAND. The procurement covers items including TRIP COIL, VACUUM CIRCUIT BREAKER TRUCK (fixed type) 12KV-800A-26KA, 12KV-1250A-26KA variants, CURRENT TRANSFORMERS (600x300x5x5A and 400x200x5x5A), and POTENTIAL TRANSFORMERS (11kV by 110V; 3.3kV by 110V). Estimated contract value is ₹4,987,807. The scope spans multiple 11kV equipment and associated insulators, drawout potentials, and ignition/relays as outlined in the BOQ. A key differentiator is the inclusion of a complete vacuum circuit breaker truck assembly and draw-out transformer assemblies, with emphasis on epoxy resin cast constructions. Unique delivery and option clauses influence quantity variations and delivery timelines. The buyer’s terms require standard security deposits and option-based scheduling. This tender targets suppliers of high‑voltage electrical gear with solid CPRI/IS guidelines adherence.

Technical Specifications & Requirements

• Product categories: 11kV VACUUM CIRCUIT BREAKER TRUCKS (fixed, manual operation), CURRENT TRANSFORMERS, POTENTIAL TRANSFORMERS, DRAW-OUT TYPE POTENTIAL TRANSFORMERS, insulators, spacers and related accessories, MASTER/REMOTE RELAYS (e.g., STATIC RELAY 3OC, 1EF), and extractable switchgear components. Specifics include 12KV ratings, 800–1250A capacities, 26KA breaking capabilities, and 110V control voltages.
• Noting: tender data provides no explicit technical standards; items are described by function and rating rather than KPI metrics. The estimated value indicates scope breadth across transformer and breaker packages with epoxy resin cast insulation.
• Delivery context: items are to be supplied on FOR destination terms with a 4‑month validity window for SD and 15‑day deposit period post‑award.
• Experience emphasis: bidders should demonstrate capability to supply high‑voltage electrical gear including draw-out transformer configurations and VCB assemblies.

Terms, Conditions & Eligibility

• EMD/SD: Security Deposit is 5% of contract value on landed FOR destination price, valid 4 months from order. For contract value up to ₹5 lakhs, SD exemption applies per PM Clause 10.3.10.10.
• Security Deposit timing: deposit required within 15 days of award; extension up to 15 more days if needed. If not submitted, deductions from first/subsequent bill(s) may occur; in extended cases, SD may be waived.
• Quantity variation: Purchaser may increase/decrease quantity up to 25% during contract and also during currency with extended delivery time; minimum additional time 30 days.
• Documentation: bidders must comply with standard RTGS/NEFT/IMPS payments and provide bank guarantee in Annexure-7 format. No tender ID or date references in this summary.