This tender invites bids from qualified firms for the hiring of manpower services to carry out operations and maintenance of Extra High Tension (EHT) transmission lines across Sindh Province, specifically managed by Sindh Transmission & Dispatch Company (Pvt.) Limited in Karachi. The scope includes routine physical surveys, cleaning of insulators, tree pruning, fault rectification, and other related maintenance activities essential for the upkeep of transmission infrastructure. The contract requires firms to provide skilled and technical manpower including managers, supervisors, linemen, helpers, welders, and security personnel. The work will be performed under strict safety protocols and supervision of STDC officials at designated sites such as Waqas Market, Zakaria Goth near Baqai Hospital. The contract duration is one year with possible extension up to four years based on performance. The estimated annual cost is PKR 40 million, with a bid security of PKR 800,000 (2%). Bidders must be registered with Sindh Board of Revenue and Federal Board of Revenue, be on the Active Taxpayer List, and have relevant experience providing technical manpower to electric power utilities. PEC registration C-1 or above is required. Financial statements and tax returns for the last three years must be submitted. The contract mandates compliance with EOBI, SESSI, and Workers Welfare Board registrations, and adherence to wage protection and health and safety standards. Submission deadline is on the 26th of February 2026 at 11:00 AM via the SPPRA EPAD Portal, with bid opening at 11:30 AM the same day. The physical address for inquiries is STDC Office, 3rd Floor, State Life Building No. 3, Dr. Ziauddin Ahmed Road, Karachi. Bidders should ensure bid validity of 90 days and submit a non-refundable tender fee of PKR 10,000. The bid security must be in the form of pay order, demand draft, or bank guarantee. Pro-Tip: Carefully review the detailed job descriptions and qualification criteria in the bidding documents to ensure your firm meets all technical and financial requirements. Also, verify the submission of all mandatory documents including bid security and tax registrations to avoid disqualification. Pay special attention to the integrity pact and bid validity clauses to safeguard your bid.