Germany – Architectural and related services – Objektplanung gemäß §§ 34 HOAI, Leistungsphasen 1-9

Repair of the TG Anton-Webern-Weg 1+2 in Munich, including load-bearing base slab. Project planning according to §§ 34 HOAI, phases 1-9.

At TG Anton-Webern-Weg 1 (single-storey, 90 parking spaces), several damages to the base slab, cracks in the supports, and multiple water damages were detected in 2020. The load-bearing capacity of the underground car park was still given at that time but should be checked at regular intervals according to the inspector's recommendation. After the detailed investigations of the concrete structure (drill cuttings and potential field measurement), it was confirmed that the base slab is probably leaking and that the water damages in the TG, which occurred several times, were caused by an increase in the groundwater level during rainfall. The repair/sealing of the base slab is inevitable. Furthermore, corrosion was detected in 60% of the supports and in 30% of the walls. The repair will be carried out in two stages:

1. Preliminary repair of the leaking base slab, demolition of the protective screed, sealing of the base slab

2. Concrete repair, classic or KKS (Kunststoff-Korrosions-Schutz) will be decided during the planning process.

The TG will be completely out of service for the repair.