1820-1842
Sluices modernization
1820-1841 – sluices modernization and ashlaring (facing) by granite in accordance with the project of the engineer Pierre-Dominique Bazaine under the direction of the colonel Nikolai Bogdanov.
The beginning of regular trip of steamer “Kometa”
1842 - The beginning of regular trip of steamer “Kometa” on route Petersburg-Schliesselburg.