300 Hospital Grafenau - fire protection renovation.
- approx. 200 St. R 90 pipe bulkheads with highly compressed pipe shell,
- remove approx. 170 pieces of wall and ceiling bulkheads,
- Approx. 190 St. wall and ceiling bulkhead f. Close pipe penetrations with fire protection mortar,
- Close approx. 130 m of annular gap around fire dampers.