Andaman & Nicobar Electricity Department Transformer Tender 11 kV to 2500 kVA 2026

Tender Overview

The procuring organization is the Electricity Department of the Andaman & Nicobar Administration, seeking supply of 3-phase distribution transformers rated from 11 kV nominal HV to 2500 kVA (inclusive). The estimated contract value is ₹7,50,000 with an EMD of ₹15,000. The scope covers supply-only for transformers conforming to Indian standards and performance benchmarks, to be delivered to the specified utility location within Andaman & Nicobar. Key differentiators include mandatory compliance with energy efficiency and BEE star rating, along with comprehensive testing and installation-related stipulations. Unique aspects include stage inspections and extensive test-report requirements tied to IS standards.

Technical Specifications & Requirements

• Category of equipment: Distribution transformer, 3-phase, 11 kV to 2500 kVA range
• Standards & ratings: Energy efficiency level; BEE Star Rating; IS:1180 (Pt.1):2014 Annex-D referenced tests; sound- and paint-related tests; oil BDV/moisture content tests; short-circuit withstand tests; no-load current at 112.5% voltage
• Ratings data: Nominal HV/LV voltages, standard kVA ratings, minimum insulation level (kVP), lightning impulse withstand voltage (kV Peak)
• Construction specifics: Core material, winding conductor material, tank construction and material thickness (top/bottom/side), bolts/nuts/washers for atmosphere, gaskets, conservator provisions, painting types per IS 1180 Table 12
• Terminal & fittings: HV/LV bushings, LV cable end box, HV cable end box, rating plate material and marking, combined rating/terminal plates; optional fittings (lightning arrestors, bird guard, oil/windage indicators, Buchholz relay, oil level gauge with alarm, drain valve, protection relays)
• Service conditions & tests: Maximum altitude, stage inspections, test reports including sound level, short circuit, no-load current, paint adhesion, oil BDV/moisture
• Other terms: Winding tap changer positions, voltage variation, mounting type, vector group, marking conventions, and provision for cables of suitable LV size

Terms, Conditions & Eligibility

• EMD: ₹15,000; payment terms and GST handling as per buyer terms; GST not included in bid, reimbursement as actuals up to quoted rate
• Delivery & inspection: Pre-dispatch inspection at seller premises; buyer bears external inspection/lab charges; 7-day inspection window from email notice; delivery schedule linked to original/extended delivery orders with option to adjust ±25% quantities
• Documentation & compliance: Type test reports and stage inspection as agreed; test reports for sound level, short circuit, no-load current, paint adhesion, BDV/oil moisture; conformity to specified IS standards
• Warranty & after-sales: Minimum warranty from receipt and from installation dates as specified in tender; optional fittings and accessories listed as part of scope
• Payment terms: GST applicability to be determined, with actuals reimbursement; scope of supply is goods-only; no installation charges included
• Penalties: Delivery time extensions governed by option clause; penalties or LD terms not explicitly listed beyond standard procurement norms
• Qualification: Suppliers must demonstrate capability to supply high-voltage distribution transformers with required standards and testing capabilities