This tender invites bids for civil work including erection, stringing, testing, and commissioning of an additional tower and hill cutting for clearance of span between specified towers on the 220kV D/C Mardan-Chakdara transmission line. The scope includes construction and related works to ensure proper installation and operation of the transmission line. Bidders must have relevant experience in similar high voltage transmission line projects, with proven capability in foundation work, tower erection, and stringing. The contract will be awarded through a single stage single envelope bidding process conducted on the E-PADS platform, with bids to be submitted and opened in Islamabad.