This tender invites bids for the installation and rehabilitation of solar-based tube wells and water supply schemes under the Karak Area Development Project (KADP) and Accelerated Sustainable Development Initiative (ASDI). The works include installation of solar tube wells, solar-based community tube wells, solarization of existing tube wells, and rehabilitation of water supply schemes across various locations in Karak district. The scope covers multiple sites with estimated costs ranging from hundreds of thousands to over ten million PKR per work. The procurement follows the Khyber Pakhtunkhwa Public Procurement Rules, 2014 (as amended), and requires bidders to submit bids through the E-PADS portal. The contract emphasizes sustainable solar energy solutions for water supply infrastructure with a bid security requirement and a validity period of 90 days.