This tender invites bids for the improvement of toilets at the Supply Depot of Jinnah International Airport Karachi under Pakistan Airports Authority. The procurement follows PPRA Rule No. 36(a) with a single stage single envelope procedure. The scope includes renovation and improvement works at the specified location. Bidders must be registered with FBR, hold a valid Professional Tax Certificate, and have PEC registration in Category C-6. Bid security of Rs.90,000/- is required. Submission is through the PPRA EPADS portal and original documents must be submitted in person before the deadline. The authority reserves the right to accept or reject any bids as per PPRA rules.