Development Of A Project For Investment Task No. 5-05-20-086-1 Poznań-Sanitary Sewage System In The Area Of ​​Ul. Porzycka And Głowicka And For Investment Task No. 5-05-24-111-1 Poznań-Sanitary Sewage System In The Area Of ​​Ul. Dobiegniewska And Performing Author'S Supervision In The Phase Of Works.