Zhao Long水下Engineering Co., Ltd. undertakes a variety of underwater operations: underwater installation and maintenance, underwater concrete bag construction, underwater diving salvage, underwater track installation and transformation, underwater wharf and channel pier pile reinforcement, underwater cutting and welding, municipal sewage pipeline sealing, underwater leakage plugging, underwater inspections, underwater installation and cleaning of wastewater treatment plant screening, underwater flattening of pier and dock caissons, underwater cutting and removal of bridge steel tube piles, sonar underwater searches, hull leak repair and emergency repairs, underwater gate inspection and maintenance, underwater bricklaying of sewage pipelines, and various underwater operations in rivers, lakes, seas, and reservoirs. Jiaolong Underwater Engineering Co., Ltd. dares to integrate潜水 technology development, research, and practice into comprehensive services. The company has increased its investment and added imported diving equipment. Main business areas include: troubleshooting underwater faults in various vessels; underwater cutting, salvaging, welding, leakage plugging, underwater bricklaying and sealing, underwater inspections, propeller and other underwater cleaning; various underwater installations and removals; and underwater exploration and inspection in rivers, lakes, and ponds. It also involves underwater engineering construction in reservoirs, power stations, water purification plants, bridges, underwater pipeline laying and backfilling, and underwater detection and filming.
Construction Schedule and Safety Measures
1. Pre-job briefing for underground operations: Understand well depth, entry depth, water level difference at both block points, water depth, and water flow conditions. Clearly define the objectives and specific technical standards for construction requirements.
2. Divers must be certified to work, equipment must be adjusted, and divers' vital signs must be normal. Ensure that equipment is functioning properly, communication is operational, and divers' health conditions are normal before descending into the well.
3. Rescue equipment and personnel preparation. In addition to the normal well operation staff and equipment, a complete set of rescue equipment and personnel must be provided to prevent any accidents during the operation and ensure readiness for rescue.
4. Underground operations, ground personnel in place. Compressor maintenance staff: Ensure the compressor operates normally until divers submerge and before they surface, report any issues to the communications officer immediately; Ground maintenance staff: Responsible for coordinating with all personnel to meet the various needs reflected from underground; Communications staff: Communicate with underground workers, understand their work conditions and needs, and be aware of the safety status at each work site.
5. This task primarily involves cutting and clearing pipes, cleaning debris, and then constructing walls. Before building, due to a water level difference on both sides, divers will enter the water only after the flow has evened out and no significant water currents are present. Due to the underground gases and water, special requirements are placed on the equipment used, and we employ pneumatic, hydraulic, and low-pressure equipment underground.
6. Hoisting personnel must follow the instructions of the communication personnel while also being aware of the conditions underground. Absolutely no hoisting is allowed when there is a person at the wellhead. Before each hoisting, signal the diver to confirm they have reached a safe position. Place the hoisting item aside for confirmation by Party A.
7. Site Clearance Operations, after completion of construction, perform safety confirmation on the construction surface and wellhead, primarily ensuring the wellhead cover is properly sealed.
8. In the event of serious injuries, deaths, or other safety accidents, Party B shall immediately report to the relevant departments (dial 110) and notify Party A in accordance with relevant regulations. Simultaneously, Party B shall handle the matter as required by the relevant departments. To ensure timely rescue, Party B should know and memorize the phone numbers of nearby hospitals and the route maps.
Party B shall comply with the relevant safety management systems for construction project safety, strictly organize construction in accordance with safety standards, and take necessary safety protection measures.
Mega Dragon Diving Supplies provides breathing gases for divers, which must comply with the following regulations: The air supply for divers, the scheduling of diving and rest periods, and the diving crew's operation should be calculated at no less than 8 liters per minute under normal pressure to ensure the safety of divers during diving operations and the smooth implementation of diving work. The measures to guarantee the construction period of diving companies, delivering excellent underwater work to the owners, are the goals and priorities of our diving company. During the project, we adhere to the policy of "careful construction, strict contract compliance, and reputation" and the goal of "unit project completion rate." We meticulously carry out construction to ensure the implementation of the work schedule as planned. Salvage and rescue is a relatively complex underwater operation that requires close coordination among the salvage teams. Every step must be taken with care, meticulousness, strictness, and safety. As long as all salvage personnel work together, various salvage services can be successfully completed. The salvage team must first ensure the personal safety of each member and minimize potential dangers.
Our technical staff provides a detailed explanation. The staff said that objects typically lifted from underwater are sunken ships or heavy cargo, with the main preparatory steps including: underwater exploration, which is a crucial step before lifting. The construction unit should assign divers to carefully inspect and record the underwater construction environment, including water flow rate and temperature. Additionally, the areas where the lifting lines can be secured should be thoroughly examined and marked. After a detailed exploration, calculate the weight of the lifting vessel and the specifications of the lifting equipment based on the weight of the item to be lifted and the underwater loading conditions. Secure the lifting lines at the pre-marked locations and check their stability. Reconfirm the lifting capacity and conditions of the vessel, and have them reviewed and confirmed by relevant responsible parties. After securing the item, the lifting should also be coordinated with the current wind direction, wave height, and weather conditions. With extensive experience in underwater operations across industries such as water plants, shipping, water conservancy, harbor, bridges, and municipal pipelines, Longqiang Company can meet your needs. We can arrive at the underwater construction site on the day of the call and provide a precise underwater construction plan and a quotation for the diving work.
