It was built in 1825-1830 and it is very interesting not only due to a large lump, but also as a valuable and rare example of the Napoleon's military architecture. Built on a neck of the bastion created a new defense node of Zamosc Fortress. It also served as the barracks.

Dimensions: length. 105 m, width 36 m and height 13m.

Nowadays it is rather difficult to access since currently there is a school in the building.