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

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The subject of the lot is the engineering services for object planning for engineering structures according to the service specification 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 has a length of approx. 15 km 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 carried out using open construction methods; in crossing areas of water bodies and traffic routes, closed construction methods (e.g. HDD, pipe jacking, siphons) are to be designed. The scope of services further includes valve chambers, shafts, connection structures, railway and road crossings, as well as the simultaneous laying of an accompanying data cable. The estimated chargeable costs of the engineering structure amount to approx. 23 million EUR. The commission will be awarded in stages: Stage 1 (performance phases 1–2) as well as optionally Stage 2 (performance phases 3–4…

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