Objektplanung Trinkwassertransportleitung DN 600 – Varensell (Rietberg) – Sennestadt (Bielefeld)

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The subject of the lot is the engineering services of object planning for civil engineering structures according to the service profile Annex 12 HOAI 2021 for a buried linear structure – drinking water transport pipeline DN 600 (St L235 PE/ZM, PN 16, butt weld) – including the associated special structures as well as the technical equipment of the special structures. The route is approximately 15 km long and runs from the connection point Varensell (east of the settlement areas of Varensell, Rietberg) to the connection point Sennestadt (Bielefeld, north of the BAB A33). The installation is mainly open construction; in crossing areas of water bodies and traffic routes, closed construction methods (e.g. HDD, pipe jacking, siphons) are to be planned. The scope of services also includes valve chambers, shafts, connecting structures, railway and road crossings as well as the parallel laying of a data tracer cable. The estimated eligible costs of the civil engineering structure amount to approx. 23 million EUR. The assignment will be carried out in stages: Stage 1 (service phases 1–2) and optionally Stage 2 (service phases 3–4 including the partial services of service phase 5…

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