Completion news

The "Contract for the Design and Construction of Improvement of Residual Outfall in the ZAPE and NAPE Zone" (project No. 8/2021)" was successfully completed on schedule under the guidance of the owner, designer, supervisor and various consulting units, and was temporarily taken over on February 19, 2024. It is expected that the project will be put into use as soon as possible.

The project is located at Macao Peninsula, starting from the sewage pumping station at the north of Alameda Dr. Carlos D'Assumpção along the Avenida da Amizade to the Macao Sewage Treatment Plant. The sewage pipeline will be laid and installed, with a total length of about 2613 meters. The project is divided into three sections, the front open cutting section, the tunnel construction section and the rear open cutting section. The length of the front open cutting section is about 115 meters, and sewage pipes with diameters of 1 and 1.2 meters are installed in the open-cutting ditch of 2.5 meters deep. The tunnel section is about 2,279 meters and the shield construction method is used to install a pressure sewage pipeline with a diameter of 2 meters at a depth of 13 meters underground. And a departure well and an arrival well will be built. In the rear open cutting section, a sewage pipeline with a diameter of 1.5 meters is installed in a ditch of 2.5 meters deep built with open cutting method, and energy dissipation wells and confluence wells will be constructed.