Panchayati Raj Department Bihar Potable Water Purification System DE - Ionization Based Tender Katihar 2026

Bidders must meet eligibility criteria, submit GST, PAN, UID, and authorization certificates, provide samples before the bid, and present ISO-related paperwork. Ensure last 2 years turnover ≥₹50 Lakh and include experience certificates for similar projects. The bid requires OEM authorizations and ITRs for 2023-24 to 2025-26.

Required documents include GST registration, PAN card, UID, turnover certificates for two years, experience certificates for similar work, ISO certificate, GST returns (GSTR-3B), notarized affidavit, ITRs, and OEM authorization. Also submit item catalog and samples before the bid deadline.

Key specs include UV lamp, electrodeion module, real-time TDS and pH displays, arsenic/fluoride/chloride removal, hardness removal, micron filter, pre-filter housing, digiflow meter, raw water pump, and storage tank with specified capacity and material. Antiscalant dosing for silica up to 10 ppm and mica up to 100 ppm may be required.

Installation and commissioning are included in the supply scope. The contract requires inlet piping from raw water sources to the purification system and outlet piping to the purified water tank, ensuring full system readiness at site upon delivery.

The tender offers a comprehensive warranty option available through bidding, which, if selected, supersedes the standard catalogue warranty. Ensure documentation demonstrating warranty coverage and service levels is included in the bid.

The purchaser may increase/decrease quantity by up to 25% at contract award and during the currency of the contract. Delivery time is linked to the last order date, with extended time calculated per (additional quantity/original quantity) × original delivery period, minimum 30 days.

Bidders must provide ISO-related certifications, OEM authorizations, and ensure conformity with UV system standards and overall performance requirements. A sample must be submitted, and GST/GSTR-3B filings should be current for eligibility.

Eligibility includes minimum annual turnover ₹50 Lakh, experience in similar water treatment projects, GST/PAN/UID validity, Notarized non-blacklist affidavit, ITRs for 2023-24 to 2025-26, and OEM authorizations. Comply with installation scope and sample submission requirements.