Kiezmark, bridge on Warta river drainage

DK 717 Jelowka, Pisia river - bridge river

Dzialoszyn, bridge over the Warta river drainage

Warszawa, Wilanow - protective pipe for heating pipeline

Warszawa, Bartycka - protective pipe for heating pipeline

Poznan, Krzywoustego street - culvert for waterline

Warszawa - WWTP Poludnie

Warszawa, Orzechowo - WWTP

Stargard Szczecinski - WWTP

Radzyn - WWTP

Pruszkow - WWTP

Plock, PKN ORLEN - WWTP

Wolsztyn - WWTP

Krotoszyn - WWTP

Nowy Dwor Gdanski - WWTP

Lyna - WWTP

Lebork - WWTP

Konin - WWTP

Dzierzoniow - WWTP

Lodz, potable water tank

Zary, Market Square at Old Town I - sanitary sewer

Zdunska Wola, Skargi Street - sanitary sewer

Wrzesnia, culvert under A2

Wroclaw, Strzegomska Street - sanitary sewer

Wroclaw, Torowa Street - sanitary sewer

Wroclaw, The Main Library of Wroclaw University - combined sewer

Wolsztyn, DPS

Witaszyczki, culvert and road

Warszawa, Plac Wilsona - siphon

Warszawa Powsinek - pumping station