Bauform 58c "Tobruk"
Bauform 58c is part of the Bauformen program and was constructed in the strength category Feldmässig (Fm). This places the bunker among the field-type constructions — solid structures, though generally simpler than the heavily reinforced Regelbauten types.
The model belongs to the application group Observation Posts (Beobachtungsstände), designed to provide a protected point for observation or fire direction. The circular opening allowed the placement of various weapons or optical instruments.
Construction and Materials
Bunkers in both the Regelbauten and Bauformen programs were typically built in concrete — with or without steel reinforcement. For this specific model, the following amounts were used:
- Concrete: 11.00 m³
- Reinforcement steel: 0.60 tons
- Excavation volume: approx. 70.00 m³ (depending on terrain and required depth of installation)
Armament and Use
Primary armament for Bauform 58c could vary, but typically included:
- MG (machine gun)
- Gr.Werfer 36 (5 cm mortar)
In addition to weapons, the bunker was also frequently used by observers (Beobachter) or for equipment such as the Lichtsprechgerät (optical communication device).
Nationality Markings for Weapon Models
Some bunker diagrams include a letter in parentheses after a weapon type, for example (f). This indicates the country of origin of the specific weapon model:
| Code | Country |
|---|---|
| (ö) | Austria |
| (i) | Italy |
| (j) | Former Yugoslavia |
| (t) | Czech |
| (r) | Russia |
| (f) | France |
| (p) | Poland |
| (b) | Belgium |
| (n) | Norway |
| (h) | Netherlands |
| (e) | United Kingdom |
| (d) | Denmark |
| (g) | Greece |
Alternative Designation
Bauform 58c is also known under the designation Bauform 201.