What professional engineers are needed to maintain the first-class civil air defense?

(1) The main professional and technical personnel of the unit shall be no less than 6, 6, 3 and 10 respectively; Among them, there shall be at least two first-class registered architects and first-class registered structural engineers, including registered protective architects 1 person, registered protective structural engineers 1 person, registered protective public equipment (HVAC, chemical protection) engineers 1 person, registered protective public equipment (water supply and drainage) engineers 1 person, and registered protective electricity. Before the implementation of the management of registered protection engineers, there shall be no less than 3 senior protection engineers, no less than 1 person for senior communication engineers and no less than 1 person for professional engineers engaged in chemical protection, isolation and electromagnetic pulse.

(2) The main technical person in charge or chief engineer of the design unit shall have a bachelor's degree or above, 10 years of design experience, have presided over at least 2 large-scale civil air defense projects, and have registered professional qualifications or senior professional and technical titles.

(3) Among the main professional and technical personnel, non-registered personnel majoring in architecture, structure and protection should be professional leaders who have worked in at least three medium-sized civil air defense engineering design projects (including large-scale projects of at least 1).