Within the project of the construction of the new Terminal North II of the Prague-Ruzyně international airport it was necessary to renovate obsolete facilities of the waste water treatment plants at the airport. With a view to the around-the-clock operation of the airport, the work was divided to three phases:
Within these three phases, an overall reconstruction of the operations at the North and South treatment plants was carried out; new biological stages of purification and the obsolete processing equipment of the plants were modernized. Concurrently, new interior wiring was installed.