This tender invites bids for geotechnical investigations related to a 2.5 MW mini hydropower project located at Dubair Khwar, Lower Kohistan, under the supervision of National Engineering Services Pakistan (Pvt) Limited, Environmental & Public Health Engineering Division. The scope includes field and laboratory investigations essential for the detailed design and construction supervision of the project. The work involves drilling boreholes up to 20 meters below ground level using straight rotary drilling and percussion methods, excavation of test pits, and conducting various soil and rock tests such as Standard Penetration Tests (SPTs), permeability tests, and water pressure tests. Samples will be collected from rock quarries and fine aggregate sources, with laboratory testing of soil, rock, and water samples to ensure accurate geotechnical data for engineering decisions. The site’s challenging terrain in Lower Kohistan requires careful planning and execution to meet the project’s technical requirements. Bidders must hold valid PEC registration and FBR/PRA certificates, demonstrating experience in geotechnical investigations with a minimum annual turnover of Rs. 15 million over the last three years. Compliance with HSE policies and provision of qualified personnel and equipment is mandatory. The tender emphasizes adherence to PEC categories and FBR/ATL status for the fiscal year 2025-26, ensuring only qualified contractors participate. The submission deadline is set for 07 April 2026 at 1100 hours, with technical bids opening the same day at 1130 hours at NESPAK’s Lahore office. Bidders must submit a bid security of Rs. 200,000 in the form of a pay order or bank draft favoring NESPAK. The physical address for submission is NESPAK House, 1-C, Block-N, Model Town Extension, Lahore. Pro-Tip: Ensure your bid includes all required documents such as PEC registration, financial capability proofs, and HSE policies. Missing any of these can lead to disqualification. Also, confirm the bid security format and validity period to avoid common pitfalls during bid evaluation.