Rural Development Department Bihar Potable Water Purification System Tender Katihar 2026 - Ionization Based DE System ISO/ISI

Tender Overview

The Rural Development Department, Bihar invites bids for a Potable Water Purification System DE - Ionization Based to be deployed in Katihar, Bihar 854101. The project scope includes a complete purification unit with UV lamp, electrodeion module, real-time TDS/pH displays, micron pre-filter, storage tank, and integral pumping. System capabilities cover output water generation capacity (L/hour), arsenic, fluoride, and chloride removal, along with hardness reduction. Installation and commissioning are included, with inlet/outlet piping from raw sources to purified water storage. The tender emphasizes on standard-compliant components and an optional comprehensive warranty. The bid allows quantity adjustments up to 25% during contract execution and requires a robust supplier capability to meet strict performance criteria. This procurement targets reliable, standards-driven water purification for rural drinking water safety and supply reliability.

Technical Specifications & Requirements

• Certification for the product and adherence to specified standards for UV systems and ionization modules
• Maximum input water TDS limit for system operation; real-time TDS display and pH display on the Digiflow meter
• Ultraviolet (UV) Lamp and Conformity to UV system standards; Electrodeion Module with defined reference voltage
• Output water capacity in litres per hour; recovery at 27°C and overall TDS removal percentage
• Arsenic, fluoride, chloride, and hardness removal provisions; pre-filter with specified porosity and filter type; multiple outer filters and storage tank properties
• Raw water feeding pump, micron filter, pre-filter housing (size/type), and storage tank material/capacity with digital real-time displays; installation type and antiscalant considerations for silica/mica limits
• Power supply, optional comprehensive warranty, and scope inclusion for installation/commissioning and associated piping
• All items to be IS/ISO compliant where applicable; OEM authorizations and performance verification required.

Terms, Conditions & Eligibility

• EMD amount/not disclosed; bidders should confirm payment terms during bid
• Turnover requirement: last 2 years at least ₹50 Lakh/year; prior similar work certificates required
• Experience: evidence of similar potable water purification system projects; sample submission mandatory
• Documentation: GST certificate, PAN, UID, GST returns (GSTR-3B), ITRs AY 2023-24 to 2025-26, notarized affidavits, and purchaser/CARC certificates for previous work
• Authorization & OEM: formal authorizations and ISO certificates related to work; item catalog with color images
• Delivery terms: options to adjust quantity up to 25%; delivery schedule anchored to original order timelines with minimum 30 days extension when exercised
• Warranty: 1 year standard warranty with option for 3-year warranty; installation/commissioning included in supply scope
• Sample submission before bid closure; notarial attestations on blacklisting status
• Bidders must maintain compliance with all listed documents and provide verification certificates upon request