This tender invites qualified firms in Mohmand to participate in the solarization and construction of various drinking water supply schemes under the district development plan. The Public Health Engineering Department, Mohmand, is seeking technical and financial proposals for supply, installation, testing, and commissioning of solar-based pumping machinery systems across multiple water supply schemes. The scope includes new construction, rehabilitation, and solarization of existing schemes, ensuring sustainable water supply solutions in the tribal district. The work involves installation of solar pumping units and gravity-based water supply schemes at various locations such as Kas Kore, Michani Ekka Ghund, Aqrab Daag Pandailli, and others. The engineering challenges include adapting solar technology to remote and rugged terrain, ensuring reliable water flow, and integrating solar pressure pumps at key sites. The project demands adherence to technical specifications and design parameters outlined in the bidding documents, reflecting the complexity of water supply infrastructure in Mohmand. Bidders should ensure compliance with PEC categories relevant to plumbing and solar equipment works, maintain valid FBR registration, and meet the Khyber Pakhtunkhwa Revenue Authority requirements for the 2025-26 financial year. The tender mandates submission of a Call Deposit Receipt (CDR) as earnest money amounting to 2% of the engineer's estimate. Detailed BOQ with sales tax bifurcation and other requisite documents must accompany the financial bid to avoid disqualification. The submission deadline is set for 12 February 2026 at 12:00 PM, with technical bids opening the same day at 2:00 PM in the office of the Executive Engineer PHE Division Mohmand. Bidders must submit sealed bids via courier to the Executive Engineer's office. Financial bid opening dates will be communicated later. Pro-Tip: Carefully review the KPPRA notification regarding bid security and additional security requirements to ensure your bid is responsive. Missing the sales tax bifurcation in the BOQ or improper earnest money submission are common pitfalls that lead to rejection.