In the field of construction, seismic rating and intensity are two crucial concepts. The seismic rating refers to the ability of a building to resist disasters, while the intensity refers to the degree of damage caused to the surface and buildings. 
First, let's take a look at the seismic rating. The seismic rating of a building is based on factors such as the importance of the building, its use, its size, and the type of structure. Different levels of buildings require different seismic measures, such as seismic structures, seismic materials, and seismic design. In areas with higher seismic ratings, the seismic capacity requirements of buildings are more stringent to ensure that they can remain stable and reduce personnel and property losses when they occur. Next, let's take a look at the intensity. Intensity refers to the degree of damage caused to the surface and buildings, and is usually divided into 12 levels, ranging from microseismic to extreme earthquake. The determination of intensity requires consideration of a variety of factors, such as the intensity, surface geology, building type, and geographical location. In areas with higher intensity, the design and construction of buildings requires a greater focus on seismic performance to reduce the damage caused to buildings. 
It is important to note that seismic rating and intensity are two interrelated concepts. In the process of building design and construction, it is necessary to comprehensively consider the local seismic level and intensity, and formulate corresponding seismic measures and design standards. At the same time, ** and relevant departments also need to strengthen supervision and management to ensure that the quality and safety performance of buildings meet relevant standards and regulations. To sum up, it is of great significance to understand and master the relevant knowledge of the seismic grade and intensity of buildings to ensure the safety of people's lives and property. In the process of building design and construction, it is necessary to fully consider the local seismic level and intensity, and take effective seismic measures and design standards to ensure the quality and safety performance of the building. At the same time, ** and relevant departments also need to strengthen supervision and management to ensure that the quality and safety performance of buildings meet relevant standards and regulations.