Concrete repair and new coating of two inlet and outlet shafts and settling tank 06

Summary

This procurement concerns concrete repair and surface refurbishment of two inlet and outlet shafts of a settling tank 06, including asbestos removal, joint sealing, corrosion protection of reinforcement, and installation of a new coating system, as well as dismantling and reassembly of stairs and balustrades and related components. The scope also covers required testing, approvals, waste handling and documentation for both shafts, with TRGS 519 safety requirements for asbestos work applicable where needed.