CB 3381-1991 "Safety Regulations for Ship Painting Operations" stipulates specific requirements for derusting, painting and related environment and personnel safety in ship painting operations. The standard is applicable to the construction and maintenance of steel ships, and can also be used as a safety reference for marine engineering painting operations. The standard was proposed by China State Shipbuilding Industry Corporation 603 to ensure the safety of painting operations, reduce the risk of accidents, and ensure the safety of operators and the environment.