Group 1 - The contractor's HSE (Health, Safety, Environment) training certification has expired, leading to immediate disqualification from participation [1] - The management area has implemented a comprehensive control system to shift contractor safety management from reactive to proactive measures, ensuring key projects progress as planned [1] - The core of the "three controls" management approach is to make safety a standard requirement for contractor operations [1] Group 2 - The management area has organized specialized training for contractor supervisors, covering seven operational monitoring requirements, responsibilities, safety measures, and personnel credential verification [2] - Qualified supervisors will be included in the contractor monitoring personnel list, and only those on the list can perform monitoring duties [2] - Any violation of safety regulations by construction personnel will result in immediate dismissal and inclusion in a "blacklist" [2]