Tamil Nadu Rural Development Inverter & Battery Tender Salem 2026 IS 1651 AAA/TRTL Standards

Tender Overview

Tamil Nadu Rural Development and Panchayat Raj Department, Salem, Tamil Nadu invites bids for an Inverter system with battery backup and Tubular Positive Plate Lead-Acid batteries conforming to IS 1651. The scope includes supply, installation, testing and commissioning of the goods at the Salem district location. The package requires an integrated inverter with a specified output rating, suitable battery backup, and trolley/rack provisions for batteries. The procurement emphasizes OEM verification, government procurement experience, and post-installation support. A key differentiator is the option to adjust quantity by up to 25% during contract execution, with delivery time calculations tied to the original delivery period and a minimum 30 days extension rule. The tender highlights 100% post-installation payment, no advance, and warranty verification through OEM or official website. This is a government procurement in Tamil Nadu with OEM and ISO QMS prerequisites.

Technical Specifications & Requirements

• Category: INVERTER; Output Rating in KVA (exact value not disclosed in excerpt)
• Input Voltage Range: broader input ranges acceptable if performance criteria met
• Output Voltage in inverter mode
• Category: BATTERY; provision of battery with inverter for backup; battery capacity at least 0 Ah if not provided
• Category: ACCESSORIES/TROLLEY/RACK; provision of suitable trolley/rack for batteries
• Category: GENERIC; Type of cell and material of container; Type/Capacity (Ah) at 10 h rate
• Additional terms require installation services, SITC, and post-warranty support around 8+ years of maintenance.
• The scope requires adherence to IS 1651 for tubular positive plate lead-acid batteries and OEM warranty verification.

Terms, Conditions & Eligibility

• EMD amount not disclosed in excerpt; bidders must adhere to GST considerations as advised (GST payable per actuals or applicable rate). The supplier must provide 100% payment after supply and installation with GST invoice, minus buyback value of old items.
• Delivery & Option Clause: quantity can vary ±25%; delivery period calculation based on last/delivery date with minimum 30 days extension; extended period permitted within contract terms.
• Warranty & Support: OEM warranty verification; 24-hour fault rectification commitment in writing; operation/maintenance support for 8 years post-installation.
• Documents: valid PAN visible in financials; audited financial statements FY 2021-22 through 2025-26; ISO QMS certification; OEM authorization; proof of prior government supply.
• Payment Terms: 100% payment after delivery/installation and GST-compliant invoice; no advance payment.
• Other: prior government department procurement experience required; compliance with IS 1651 and related standards; post-warranty service commitments and patch upgrades.