The construction measure includes the replacement of the existing culvert, which will no longer have a sufficient distance to the fairway due to the upcoming fairway adaptation. The new culvert, consisting of 14`` steel jacket pipes, is to be laid using HDD technology over a distance of approx. 1,000 m (closed design). The supply lines are to be brought into the culvert and connected on both sides of the land to the existing supply connections or delivery points (open design). The existing old culvert is to be built back on a section of about 50 m. Due to various boundary conditions, the building window for the production of the culvert, the connection of the pipes and the dismantling is limited to the time window 01. August to 15. January of the following year. Thus, the construction time is in the flood season, which includes additional requirements for the production of flood protection and incalculable Baustillstände.

The following services are to be awarded with this award procedure:

- construction supervision,

- Local construction supervision.

The essential construction work to be supervised includes all work of the construction preparation (construction roads, construction site equipment, housing soundproofing, etc.), the HDD process with entry of pipes and media lines, connection of the media lines including the required earthworks and line construction with ancillary works and the restoration of the areas ,