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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