This tender from the Public Health Engineering Division Washuk in Balochistan invites contractors and firms for the construction of water supply schemes (WSS) with solar systems and installation of reverse osmosis (RO) plants in various villages of Washuk district. The procurement covers civil works, solar installations, and supply of HDPE pipes, focusing on sustainable water solutions for remote areas. The scope includes building WSS with integrated solar power systems to ensure reliable water supply in off-grid locations. The installation of five RO plants will improve water quality across different villages. The supply of HDPE pipes (PN-10, 50mm diameter) totaling 1650 feet is critical for pipeline infrastructure. These works require expertise in civil construction, solar technology, and sanitary piping, all within the challenging terrain of Washuk. Bidders must hold valid Pakistan Engineering Council registration with PEC code EE11 for solar works and comply with tax authority registrations including NTN and ATL. Firms should demonstrate at least three years of relevant experience and provide financial statements for the last three years. Joint ventures are not accepted. Tender fees and earnest money deposits are mandatory, with submission adhering to Balochistan Public Procurement Rules 2014. The submission deadline is set for 02-02-2026 at 11:00 AM, with technical bids opening the same day at 12:00 PM. Financial bids will be opened on 04-02-2026 at 12:00 PM. All documents must be submitted physically to the Office of the Executive Engineer PHE Division Washuk. Interested parties should ensure compliance with all documentation and eligibility criteria to avoid disqualification. Pro-Tip: Carefully review the authorization letter requirements and ensure it is attested on non-judicial stamp paper of Rs 100, as this is a common pitfall. Also, confirm the deposit of tender fees via green challan in NBP Washuk under the specified account to avoid bid rejection.