This tender from the Quetta Development Authority covers multiple construction and installation projects in Quetta, Balochistan, focusing on black roads, solar street lighting, and water supply schemes. The works include building black top roads on key streets such as Haji Abdul Rasool Mengal Street and Killi Muslim Abad, installation of solar street lights in residential housing schemes, and water supply schemes integrated with solar systems to enhance sustainability in the region. The projects demand high-quality construction materials like bitumen for road surfacing, concrete for drains, and solar panels for street lighting. The sites are spread across various sectors of Quetta, including Sariab Mill, Mashriqi Bypass, and Zarghoon Housing Scheme, presenting logistical and engineering challenges such as terrain adaptation and integration of solar technology with existing infrastructure. Bidders must be registered with the Pakistan Engineering Council (PEC) in relevant categories and maintain an active tax status with the Federal Board of Revenue (FBR). The tender requires firms to demonstrate financial capacity with turnover figures aligned to the estimated costs and to provide bid security via bank guarantees or call deposits. Compliance with the Balochistan Public Procurement Rules 2014 is mandatory, and firms should ensure their documentation meets the 2025-26 fiscal year requirements. The submission deadline is set for 12 March 2026 at 11:30 AM, with tender opening scheduled the same day at 12:30 PM. Bids must be submitted physically at the QDA Engineering Branch Office located in Zarghoon Housing Scheme, Quetta. Tender documents are available from the same office upon payment of the tender fee. Pro-Tip: Carefully review the bid security requirements and ensure the Call Deposit Receipt (CDR) is correctly issued in the name of the undersigned from a scheduled bank, as this is a common area where bids get rejected. Also, verify the PEC registration category to avoid disqualification.