Elevator upgrade and component replacement

The U.S. Embassy in Bangkok is seeking a contractor to replace the existing package air conditioner units at three Millennium Residence apartments with Variable Refrigerant Volume (VRV) systems. The selected contractor will be responsible for surveying the site, providing a replacement design, and installing the new system. The contract type will be firm-fixed price, and the duration of the work is expected to be 30 calendar days per unit. The contractor must provide a project proposal, including a single-line schematic, basic room layout, and detailed cost proposal. The Embassy reserves the option to select none of the bidders. Key aspects of the job include: • Replacement of existing package air conditioner units with VRV systems • Surveying the site and providing a replacement design • Installation of the new system, including all necessary materials and labor • Compliance with local and U.S. codes and standards • Provision of a one-year warranty for parts and labor • Training for Embassy employees on the new system