This tender invites contractors in Mastung, Balochistan, through the Public Health Engineering Department Balochistan, for construction of multiple water supply schemes. The scope includes drilling boreholes up to depths of 1000 to 1300 feet, supply and installation of solar power systems ranging from 30 to 40 HP, supply of HDPE pipes of various diameters and lengths, and construction of pump houses with water storage tanks and boundary walls. These works are critical for improving water infrastructure in the Mastung district. The projects require specialized civil works including laying and jointing of pipelines, construction of pump houses sized 10x12 feet, and installation of solar systems to power the water supply. The engineering challenges include deep borehole drilling and ensuring the durability of HDPE piping under local soil and climatic conditions. The sites are located in remote areas of Mastung, demanding efficient logistics and adherence to technical standards. Contractors must hold valid registration with the Pakistan Engineering Council for the 2025-26 financial year in the relevant category and discipline. Compliance with tax authorities including NTN, sales tax, and Balochistan Revenue Authority is mandatory. Bidders should also be enlisted with BPPRA. The tender follows the Single Stage-One Envelope procedure, requiring submission of both technical and financial proposals together. Earnest money in the form of Call Deposit Receipt (CDR) at 2% of the estimated cost is required. The submission deadline is set for 26th February 2026 at 11:00 AM, with bid opening scheduled the same day at 12:00 PM at the office of the Executive Engineer PHE District Mastung. Bidders must submit sealed proposals by hand or registered mail to the specified address. Tender documents can be obtained upon payment of a non-refundable fee of PKR 1500 through a green challan form. Pro-Tip: Ensure your bid security in the form of a Call Deposit Receipt is from a scheduled bank and check the newspaper advertisement carefully for any specific stamp duty or documentation requirements often overlooked in Balochistan tenders.