Angola's social housing project is located in the Kilamba Kiaxi district of Luanda, the capital of the Republic of Angola, about 20 km from the city of Luanda and covers an area of about 16.2 square kilometers. The first phase of the project is located in the north of Angolan social housing project construction site, covering an area of about 8.5 square kilometers. The Beijing Urban Construction Survey Institute undertook the geotechnical investigation, foundation detection, settlement observation and water source well construction of 13 land blocks and water purification plants, water intake lines and high pressure pumping stations east of the central landscape belt.