Construction drawings: drawings that indicate the overall layout of the project, the external shape of the buildings and structures, the internal layout, the structural structure, the internal and external decorations, the material practices, as well as the equipment, the construction and other requirements.
People's air defense works: people's air defense works, also known as people's air defense works, refers to the protection of wartime personnel and material shelter, people's air defense command, medical care and rescue and separately constructed underground protective buildings, as well as combined with the ground construction of the wartime can be used for air defense of the basement. People's air defense works is to guard against sudden attacks by the enemy, effective sheltering of personnel and materials, to save the war potential of the important facilities; is to adhere to the town fighting, long-term support for the anti-invasion war until the victory of the engineering security.