Rashtriya Chemicals And Fertilizers Limited OLTC Testing & Servicing Tender 2 Nos 15/25 MVA Transformer 100/11kV 2026

Tender Overview

Organization: Rashtriya Chemicals And Fertilizers Limited (RCF) under the Department Of Fertilizers. Procurement: OLTC testing and servicing for 2 Nos of on-load tap changers (OLTC) fitted on a HHE make 15/25 MVA, 100/11kV transformer (SR no. 38194). Scope includes full overhauling, disassembly/reassembly, cleaning, lubrication, insulation checks, and dynamic resistance measurements. Key deliverables: comprehensive EMR checklists, DCRMs before/after service, and a trial full-load run post-recommissioning. Site support: RCF will provide crane and filtration equipment at site. Location: India. Value indication: not disclosed. Unique aspect: detailed post-test analysis report within 2 days of testing, covering operation timings, motor load, synchronization, and contact integrity.

Technical Specifications & Requirements

• OLTC count: 2 Nos (SR 3086 & 400033, Type D III 200 Delta 110/80-18.17.0).
• Transformer rating: 15/25 MVA, 100/11kV, SR 38194.
• Scope of work (Overhauling) includes: toolkit-packed overhaul, diverter switch extraction, site dismantling, contact inspection, insulation braid health, oil filtration and replenishment, drive mechanism greasing, pole coupling checks, protective relay inspection, taps operation checks, and full operating tests.
• Testing: Dynamic Contact Resistance Measurement (DCRM) before and after overhaul; voltage ratio test pre- and post-servicing.
• Reporting: detailed analysis within 2 days post-test, covering divergences in timing, motor load, synchronization, obstructions, spring tension, and any deformation.
• Temporary plant support: Crane and filtration machine provided by RCF.

Terms, Conditions & Eligibility

• Delivery/Work cadence: Overhaul and testing sequence as per SOW; include on-site dismantling, cleaning, oiling, reassembly, and recommissioning.
• EMD/Financials: Not disclosed in the data; bidders must be prepared to submit standard bid security per buyer terms.
• Experience: Demonstrated capability in OLTC overhauls on 11kV–33kV class transformers; familiarity with DCRM and post-service testing essential.
• Documents: GST, PAN, experience credentials, financial statements, and OEM authorizations may be required per ATC/SOW.
• Warranty/Support: Post-recommissioning operation at full load; performance verification critical.
• Penalties: LD policies not specified; suggest awaiting official ATC for clause details.
• Safety: Site access for heavy equipment, crane operation, and high-voltage work governed by site safety norms.