4 Waters d.o.o. can provide a variety of engineering services in the following fields:

•drinking water treatment plants (DWTPs) / pumping stations for potable water

•municipal wastewater treatment plants (WWTPs – Conventional, SBR, MBBR, MBR, etc.)

•wastewater treatment from industrial processes

•water treatment for industrial use (boiler water, cooling water, demi water, etc.)

•designing/modeling of wastewater collection systems (sewage) / wastewater pumping stations

•industrial piping – 3D modeling

•public infrastructure

•designing of residential and commercial facilities

•energy audits and energy efficiency elaborates preparation

•technical gases / compressed air installations

•air separation plants/units (ASU)

•cooling towers / cooling systems

•landfills / transfer stations for solid waste

Our services include:

•preparation of all levels of the technical documentation according to the Serbian legislation from Conceptual Design to Design for Execution of Works, including As-built documentation

•consulting services in acquiring all the necessary permits and approvals according to the Serbian Law on planning and construction

•project management

•supervision of works / site management

•providing local experts for projects funded by international financing institutions or European Union

•providing regular and emergency maintenance activities for water/wastewater treatment plants