This detailed specification outlines the entire process from design to handover for a sub-critical thermal power project, emphasizing the complexity and meticulous planning required for such a large-scale endeavor. Starting with design and engineering, the specification ensures that all components are carefully planned and tailored to fit the project’s needs. It then moves on to manufacturing, inspection, and testing at the manufacturer’s works, ensuring that all components meet the necessary quality and safety standards before being delivered to the project site. The specification also covers the logistics of supply, packing, and delivery to the site, highlighting the importance of proper handling and transportation to avoid damage. Once on site, the specification details the processes of unloading, storage, and in-plant transportation, emphasizing the need for efficient and organized handling of materials. Erection and supervision are key aspects of the specification, ensuring that all components are installed correctly and according to design specifications. Pre-commissioning, testing, and successful commissioning are critical phases, where the functionality and performance of the entire system are tested and verified. Finally, the specification includes performance testing and handing over of the main plant package, ensuring that the thermal power project is fully operational and meets all performance criteria before being handed over for full operation. Overall, the specification provides a comprehensive framework for the successful execution and operation of a sub-critical thermal power project.