This tender is for the supply and installation of escalator belts at the NADRA Headquarters in Islamabad. The scope includes replacement of damaged hand belts with new, genuine Schindler parts, ensuring proper alignment, tension, and smooth operation. The successful bidder will also conduct performance testing and calibration of the escalator system after replacement. The procurement follows a single stage two envelope procedure under national competitive bidding. The delivery timeline is 3-4 weeks from the issuance of the purchase order or work order. The tender includes detailed technical specifications, bid submission requirements, and contract conditions to ensure quality and compliance.