This tender from the Office of the Executive Engineer Project Directorate of Commissioner Karachi invites bids for maintenance and repair of residential buildings in Karachi, focusing on cleaning black spots of stone masonry using chemical treatment. The project involves specialized masonry cleaning techniques to restore the main house and compound walls, ensuring structural integrity and aesthetic improvement in the residential buildings under the Commissioner's jurisdiction. The work requires skilled labor and quality materials, including chemicals for masonry cleaning, scaffolding, and other necessary equipment. The site is located in Karachi, where environmental factors such as humidity and pollution pose challenges to masonry preservation. Contractors must be prepared to handle these conditions with appropriate technical expertise and safety measures. Bidders should have a valid PEC category for civil works and must be registered with FBR and SRB, holding active GST and Income Tax certificates. The tender requires a 2% bid security and a non-refundable tender fee of PKR 1,000. The bid validity period is 90 days, and contractors must submit affidavits confirming no blacklisting or fake documents. Compliance with all regulatory and financial requirements for the fiscal year 2025-26 is mandatory. The submission deadline is set for 26th February 2026 at 11:00 AM, with bid opening at 11:30 AM on the same day at the Executive Engineer Project Directorate office, 4 Club Road, Main Commissioner Office Karachi. Bids must be submitted electronically via EPADS, accompanied by the original pay order or call deposit receipt for the tender fee and bid security. Pro-Tip: Ensure your bid documents are complete with all required stamps and signatures, and double-check the newspaper advertisement for any specific stamp duty requirements to avoid disqualification.