Divers conducting underwater operations should wear the GF-Ⅱ type ventilated heavy-duty suit and be equipped with...

Appropriate auxiliary equipment is used, with divers equipped with professional ropes for ascending and descending. Communication radios are employed during operations to maintain contact between the surface and divers for safety assurance.

12. Throughout the construction process, continuous H2S and carbon monoxide testing and tracking are conducted. The diving team must strictly adhere to the responsibilities of diving positions and strictly follow the eight safety rules for diving operations.

3. Divers must hold valid certifications when conducting underwater operations. Safety and technical briefings must be conducted prior to construction, ensuring a clear understanding. The diving team must strictly adhere to the temporary regulations for safety management of operations in toxic and harmful gas environments issued by the Water Authority and Drainage Department.

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