On June 2, a reporter from the International Tourism Island Business News learned from the Yangpu Economic Development Zone that the Hainan Refining and Chemical Company’s 1 million tons/year ethylene and refining reconstruction and expansion project, which was constructed by China Communications Construction Company No. 3 Harbor Engineering Co., Ltd., supported the dock approach, The construction progress of the breakwater project is over halfway, and the project construction is currently being promoted with all efforts.
In the early morning, a “dong-dong-dong” sound came from the construction site of the Hainan Refining and Chemical Ethylene Project of CCCC Third Harbor Engineering Co., Ltd. in Danzhou, breaking the tranquility around it. At 7 o’clock in the morning every day, the material worker Lao Tang will appear in the powder silo on time. Using a hammer controlled by a simple pulley device, he will knock east and west on the 12 powder silo tanks. The tank he knocks on is a specialized one. The self-built mixing station silo is used to supply concrete for the main caisson of this project. The prefabrication of the caisson is also a key component of the renovation and expansion project.
According to the relevant person in charge of the project department, the dock approach and breakwater projects supporting the Hainan Refining and Chemical 1 million tons/year ethylene and refining reconstruction and expansion project are located in the Shentou Port Area of Yangpu Port, Hainan Province. This project is planned to Construction of a breakwater with a total length of 1,981.6 meters, a shore approach embankment of 700 meters and a road in the land connection area of 85.6 meters, with a contract cost of 1.328 billion yuan. The project started construction on April 8, 2020, and is scheduled to be completed on January 13, 2022. This project is a key project included in the national petrochemical industry plan. After the project is put into operation, it will greatly promote the development of downstream industries such as advanced agriculture, green chemicals, tourism and health, improve Sinopec’s international market competitiveness, ensure national energy security, and is beneficial to Hainan has built a national ecological civilization pilot zone, driving the economic development of Hainan Province and assisting the construction of Hainan Free Trade Port. After the implementation of the project, Hainan Refining and Chemical will become Sinopec’s another 10-million-ton oil refining and million-ton ethylene refining integrated enterprise on the southeast coast. The construction of this project can promote the development of Sinopec’s petrochemical industry base in Hainan and build a my country’s overall advantages in the petrochemical industry in the southeastern coastal areas.
The reporter learned that the total length of the breakwater is more than 1,900 meters. According to the terrain and geological distribution characteristics, the upright embankment adopts a caisson upright structure, and the slope embankment adopts a riprap slope structure. A total of 52 caissons need to be installed on the vertical embankment, with the maximum single piece totaling 5,698 tons. The foundation bed falls on a medium sand or silty clay layer, and the riprap foundation bed adopts a blasting and silting riprap slope structure. The approach embankment is more than 700 meters long and adopts a slope structure. The upper part is equipped with a pipe gallery and a road. The road is 17 meters wide and the pipe gallery area is 10 meters wide. There are wave retaining walls on both sides of the approach embankment.
According to Fu Ruiqiu, deputy secretary of the Party Committee of CCCC Three Harbor Engineering Co., Ltd., the project department of CCCC Three Harbor Engineering Co., Ltd. has always incorporated environmental protection concepts throughout the construction process. In order to reduce the use of open-cut stone and protect the green waters and mountains of the local and surrounding areas, the project department changed the construction plan of the breakwater from a gravel-fill structure to a caisson-upright structure before the start of the project, saving 760,000 cubic meters of open-cut stone, equivalent to 4 A green hill the size of a standard football field not only improves construction efficiency, but also protects the construction sea environment and reduces secondary pollution to seawater caused by land reclamation.
It is reported that in order to promote project construction, in 2020, in order to actively respond to the construction and development of the Hainan Free Trade Port, CCCC Three Harbor Engineering Co., Ltd. will set up a large-scale project in Xiaochantan, Yangpu Economic Development Zone, relying on the Hainan Refining and Chemical Project. The production base covers an area of about 121.7 acres, of which the caisson precast production and prefabrication area covers about 40,000 square meters, which is equivalent to the size of 5 football fields. One caisson shipping terminal berth has been built, which can meet the vertical berthing requirements of 10,000-ton semi-submersible barges. The prefabrication plant can prefabricate, ship, store, and store 7,500-ton caissons. It is currently the largest prefabrication site in Hainan Province. The current prefabricated caisson weighs 5,700 tons and is 9 stories high. It is currently the largest caisson in South China.
The construction of the caisson prefabrication yard provides a strong guarantee for the construction of large-scale infrastructure such as Hainan’s port water transportation, transportation, municipal administration, and highways. It has effectively enhanced the capabilities of Hainan’s infrastructure industry and also facilitated the participation of CCCC Three Harbor Engineering Co., Ltd. in Hainan. Laying the foundation for the construction of a free trade port. </p
