UplaNS Maintenance Project N12, Era U Wangental, A12 Flamatt – Bümp
nder a subcontract to the overall rehabilitation project ERA U, 12 retaining walls and a bridge were repaired.
The existing concrete was removed in the affected areas using high pressure water jets and reprofiled with a new layer of concrete or mortar. On several structures an additional surface protection (OS5) was applied.
A polymer bitumen roadway transition was constructed for the repaired bridge.
The bridge was sealed with an epoxy resin sealant and a PBD sealant.
- Concrete repair on 12 structures: 655 m2
- Bridge repairs: 670 m2
Scope of services
- Assessment of condition and measures concept
- Construction management