Damodar Valley Corporation VVVF AC Drive Tender 55kW 18.5kW 3Ph 415V 2026

Tender Overview

Damodar Valley Corporation invites bids for Variable Voltage Variable Frequency Drives (VVVFD) of differing ratings, specifically the 55kW VVVF AC Drive 3Ph 415V and the 18.5kW VVVF AC Drive 3Ph 415V intended for CHP U#1-8, MT PS, and Vibro Feeders. The BOQ lists no per-item quantities, but the contract includes an option clause allowing up to 25% quantity variation at contracted rates. A performance security of 3% of LOA/WO/PO value is specified, with pro-rata retention up to the completion of the warranty period plus two months. Delivery timelines will adapt to options exercised and are computed from the last date of the original delivery order, with a minimum extension of 30 days. The scope targets procurement for paddle feeders, stacker reclaimers, and vibro feeders within the CHP setup. This tender emphasizes compliance with the option-based delivery schedule and performance security, indicating a project-scale procurement across multiple drives.

Technical Specifications & Requirements

• Product names: 55kW VVVF AC Drive 3Ph 415V; 18.5kW VVVF AC Drive 3Ph 415V
• Category/Scope: Variable frequency drives for CHP equipment (Paddle Feeders, Stackers, Vibro Feeders)
• Standards/Certifications: Not specified in the data provided; ATC references require performance security of 3%; procurement for multiple drives
• Delivery terms: Delivery period adjustments based on quantity variation; minimum extension rule of 30 days; option-driven extension
• Economic terms: EMD/auction specifics not disclosed; security deposit governed by ATC
• Project alignment: Drives installed at CHP U#1-8, MT PS, DVC; procurement aligns with paddle feeder and feeder subsystem needs

Terms, Conditions & Eligibility

• Option clause: Purchaser may increase/decrease quantity up to 25%; extended delivery period governed by a calculated formula
• Performance security: 3% of LOA/WO/PO value; for procurement up to ₹1 Crore, recovery via pro-rata deduction from RA bills; release after warranty+
• Delivery timing: Based on original delivery order date; extensions follow operator rules; extended time derived from (Increased quantity ÷ Original quantity) × Original delivery period
• Submission requirements: Compliance with ATC terms; bidders must adhere to the performance security and option-based delivery terms; no explicit mandatory brand or standard listed in the data
• Warranty/penalties: Not explicitly stated beyond warranty period implied by security release; penalties not detailed in the supplied data
• Location/coverage: Specific CHP units and feeders indicate site-focused deployment; exact location not disclosed in the tender data