Divers in water operations should wear the GF-Ⅱ type ventilated heavy-duty gear and be equipped with...

Appropriate auxiliary equipment includes professional ropes for divers' ascents and descents, and a professional walkie-talkie for maintaining communication to ensure safety during operations.

2. Conduct continuous H2S and carbon monoxide testing throughout the construction process. The diving team must strictly adhere to the responsibilities of diving positions and strictly follow the eight no-go rules for diving safety operations.

3. Divers must be certified to perform underwater operations, and a safety briefing on technical safety must be conducted before construction. Have a clear understanding, and the diving team must strictly comply with the temporary regulations on safety management for operations in toxic and harmful gas environments issued by the Water Affairs Bureau and Drainage Office.

4. Diving equipment must be rigorously inspected before submersion, and only upon passing inspection may it be used. The construction site should be equipped with emergency air sources and emergency equipment.