In September 2019, GSP-Project Ltd has successfully completed the revision of the design-project for the reconstruction of Beryozovsky WWTP - a positive conclusion of the State Expertise was received. The GSP-Project Ltd team has been working on this project since 2013, during this time the Main Pumping Station was successfully upgraded - Sulzer pumps XFP301M series were supplied and installed to replace current equipment. The modernization of the air-blower station was started – in 2016 and 2018 the company's specialists successfully did start-up and adjustment of  the turbocompressors Sulzer HST 40-300-1-L.