This tender invites contractors in Kohlu District under the Public Health Engineering Department Balochistan for construction and solar system installation of multiple Water Supply Schemes (WSS). The scope covers drilling, development of boreholes, installation of solar systems with machinery, pipeline laying, and filtration plant construction across various sites in Kohlu. The works are divided into packages involving complex civil and electrical tasks requiring specialized materials like HDPE pipes and solar equipment. The projects demand high-quality construction materials and adherence to engineering standards to ensure sustainable water supply solutions in remote areas of Kohlu. Contractors must manage logistical challenges posed by the terrain and ensure timely completion within two months for most packages. The inclusion of solar power systems highlights the integration of renewable energy to enhance water supply reliability. Bidders must hold valid registration for the 2025-26 financial year with the Pakistan Engineering Council in the relevant category and be registered with BPPRA. Compliance with FBR/ATL requirements and submission of Earnest Money in the form of Call Deposit Receipt (CDR) at 2% of the estimated cost is mandatory. Firms should demonstrate at least three years of relevant experience and financial capacity, with ISO certification and quality control authority for pipe supply companies. The submission deadline is set for 03 March 2026 at 12:00 PM, with technical bids opening the same day at 1:00 PM at the office of the Executive Engineer PHE District Kohlu. Bids must be sealed in separate envelopes clearly marked with the work title and submitted by hand or registered mail. The procurement follows the Single Stage-Two Envelope method, ensuring transparent evaluation of technical and financial proposals. Pro-Tip: Carefully review the newspaper advertisement for specific stamp duty and bid security requirements, as these are often overlooked and can lead to disqualification. Ensure all documents are original and properly attested to avoid delays in bid acceptance.