1. The central part of the fort - Redoubt (main battery) with a turret guns emplacements
2. Strongholds with infantry and gun positions.
3. Rifle rampart with machine-gun blockhouse.
4. Wire barriers
5. Field gun positions
6. Barracks and staff buildings
1. Turrets,
2. Ditch,
3. Underground premises - the powder magazine, shelter, etc.,
4. Wire fences,
5. Caponiers,
6. Main entrance to the fort,
7. External rifle and MG positions.