Darbhanga District Panchayats Potable Water Purification System Ionization Based Tender Bihar 2026 ISO 9001/14001/45001

Tender Overview

Darbhanga District Panchayats seeks to procure a Potable Water Purification System DE - Ionization Based for implementation in Darbhanga, Bihar. The contract covers supply, installation, and commissioning, with on-site piping from raw water sources to the system and from the purified water tank outlet. Key differentiators include integration of an Electro de-ion Module, UV lamp, real-time TDS and pH displays, and a comprehensive aragonite-style pre-filtration chain. Mandatory ISO certifications and MSME status are requested, with a flexible quantity clause allowing up to 25% variation during and after order placement. Bidders must align with district procurement policy and provide a robust warranty option.

Technical Specifications & Requirements

• Warranty option for comprehensive warranty available through bidding; supersedes catalogue warranty if chosen.
• Output water generation capacity: specified as a litres/hour rate (noted in BOQ; exact figure to be confirmed with technical submission).
• UV system conformity: UV lamp with UV system conformity standard; UV lamp health check capability.
• Electro de-ion Module with explicit reference voltage and overall TDS removal performance.
• Pre-filtration: Micron Filter, Pre filter housing, Pre filter type and size, and Particulate filter porosity; storage tank details include capacity in L and material.
• Inlet/outlet plumbing from raw water sources to purifier and from purifier to storage tank; includes inlet/outlet piping accessories.
• Antiscalant handling for silica up to 10 ppm and mica up to 100 ppm; downstream hardness removal and real-time display of TDS/pH.
• Accessories: Digiflow meter, raw water feeding pump, multiple outer filters, and a robust digital display for process parameters.
• Compliance: adherence to applicable standards including IS/IEC references as stated in tender terms.

Terms, Conditions & Eligibility

• EMD not disclosed in tender data; bidders must verify exact amount and payment modality with procurement portal.
• Option clause permits a 25% quantity variation at contract at contracted rates; delivery timelines adjust per calculated extension formula.
• Bidders must submit PAN, GST (Bihar), MSME certificate, and ISO 9001:2015, ISO 14001:2015, ISO 45001:2018 certificates; mandatory uploads with bid.
• Firm must have registered office in the district of the buyer and be prepared to transport/install items at the buyer location with no extra transport cost.
• One-year maintenance affidavit on Rs 100 stamp paper required; installation and commissioning included in scope.
• Invoices and payment terms follow district procurement guidelines; verification of documents and compliance with local regulations essential.