China, Aug. 14 -- CSCEC recently reached a major milestone in the infrastructure construction project of an industrial park for the integrated development of marine and energy in Qingdao, Shandong Province. Crews transported and installed the project's first 3,500-tonne caisson for the south breakwater.The south breakwater will be 675 meters long. It uses a gravity caisson structure and will consist of 34 caissons, each weighing 3,500 tonnes. Once complete, the project will support a dock built to serve an integrated energy base combining offshore wind, solar and hydrogen power. It will also strengthen regional infrastructure capacity.The caisson installed in this operation is part of the breakwater's main structural units. Its size and wei...