Obayashi Corporation, PT. Wijaya Karya, JFE Engineering Corporation and PT. Jaya Konstruksi Manggala Pratama, have formed a joint venture company OWJJ JV, which has been awarded the EPC contract by the Directorate General of Human Settlements, Ministry of Public Works and Housing of the Republic of Indonesia for the work of wastewater treatment plant, which is the first large-scale wastewater treatment plant to be constructed in Jakarta.
The coverage rate of the sewerage system remains at around 12% in the capital city of Jakarta, which has a population of over 10 million. Under these circumstances, the water environment in the capital city needs further improvement urgently in terms of the development of sewerage systems, including sewer pipelines and wastewater treatment facilities.
Jakarta has unveiled the “Project for Capacity Development of Wastewater Sector through reviewing the Wastewater Management Master Plan in DKI Jakarta”, which divides the entire Jakarta area into 15 treatment zones and plans to improve the living environment by installing sewerage systems in stages.
This contract is to construct a wastewater treatment plant in Zone 1, an area with a high population density and many commercial facilities such as shopping malls, as part of the Jakarta Sewerage Development Project. Due to site space constraints, the anaerobic anoxic aerobic activated sludge process + membrane bioreactor (MBR) will be adapted for a wastewater treatment plant with a capacity of 240,000 m3/day (equivalent population: 1.2 million), which saves space and allows for efficient wastewater treatment.
The contract will be undertaken on a unit price contract basis as designed by the Minister of Public Works and Housing of Indonesia, incorporating Remote Controlled Pneumatic Caisson Method and other Japanese advanced technologies to realize high-quality technology transfers.
(Source: JFE Engineering Corporation)