Precautions for Transmission and Substation Construction Projects

　　Transmission and transformation engineering is a critically important component of the power system, involving both power transmission and voltage transformation. The construction quality of transmission and transformation projects directly affects the stability and safety of the power system; therefore, we must have a thorough understanding of all the precautions that need to be taken during the construction process. This article will provide a detailed explanation of the key considerations for the construction of transmission and transformation projects from the following aspects.

　　Before construction begins, it is essential to carry out thorough preparatory work. First, we must clearly define the specific construction requirements and objectives of the project and develop a reasonable construction plan and schedule. Second, we need to provide technical training and safety education to the construction personnel, enhancing their technical skills and safety awareness. Finally, we must conduct rigorous inspections and acceptance tests on construction materials and equipment to ensure that both their quality and quantity meet the project’s requirements.

　　Precautions during the construction process

　　1. Foundation construction

　　Foundation construction is a critically important stage in transmission and transformation projects. It involves several steps, including excavation of the foundation pit, fabrication of the foundation, and installation of equipment. During the construction process, the following points should be carefully noted:

　　(1) The excavation of the foundation pit must be carried out strictly in accordance with the design requirements to ensure that the location and dimensions of the foundation are accurate and error-free.

　　(2) During foundation construction, work should be carried out according to the design drawings and technical requirements to ensure the foundation’s solidity and stability.

　　(3) When installing equipment, ensure that its position and height meet the design requirements, and also pay attention to equipment protection and maintenance.

　　2. Tower construction

　　Pole and tower construction is another critically important stage in transmission and transformation projects, encompassing multiple steps such as pole erection, conductor stringing, and tensioning. During the construction process, the following points should be carefully noted:

　　(1) The upright poles must be erected strictly in accordance with the design requirements to ensure the stability and safety of the towers.

　　(2) During the stringing and tensioning of conductors, it is essential to ensure that the quality of both the conductors and ground wires meets the required standards, while also paying close attention to personnel safety and equipment protection.

　　(3) During the construction process, attention should be paid to protecting the surrounding environment and maintaining ecological balance.

　　3. Transformer Installation

　　The transformer is a critically important piece of equipment in transmission and transformation projects, and the quality of its installation directly affects the stability and safety of the power system. During the transformer installation process, the following points should be carefully noted:

　　(1) Installation must be carried out strictly in accordance with the design requirements, ensuring that the high- and low-voltage sides of the transformer are correctly oriented.

　　(2) Ensure that the transformer itself and its accessories are intact and undamaged, with a clean exterior free of debris.

　　(3) The neutral-point grounding device of the transformer shall have good contact, a clearly visible disconnect point, and be coated with electrical-grade compound grease.

　　(4) All fasteners on the transformer shall be secure and reliable, with no signs of looseness.

　　(5) The high- and low-voltage porcelain bushings of the transformer shall be intact, undamaged, and clean with no debris.