Ti.221.4.2026.De Open-Pit Renovation (Sleeves) Of Sanitary And Storm Sewage Systems In The Streets Of Koszalin: 1. Renovation Of The Sanitary Sewer In Ul. Jana Pawła Ii, Dn 200, L≈108M; 2.Renovation Of The Rainwater Channel In Ul. Mieszko I, Dn 600, L≈109M