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Planung und Umsetzung von fünf großen Bauprojekten an der Dortmund-Ems-Kanal-Nordstrecke

机译：规划和实施多特蒙德-埃姆斯运河北线的五个重大建设项目

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The northern section of the Dortmund-Ems-Canal (DEK), also known as "Schleusentreppe Rheine", includes on a leg of 29 km the big locks Bevergern, Rodde, Venhaus, Hesselte and Gleesen. The structures are approx. 100 years old and must be replaced by new constructions in the next years. The new locks receive chambers with an effective length of 140 m and a width of 12.50 m. The locks Bevergern and Gleesen at the beginning and the end of the section are planned as locks with saving basins and as massive constructions.The planning approval procedures in both federal states, standardization requirements as well as superior constraints from the soil management have significant influence on the ongoing planning and contracting processes.As an additional requirement and after the finishing of the draft planning the latest results on lime dissolving carbonic acid had to be included. Therefor the planning and tender documents had to be basically redesigned, especially for the anchoring elements of the excavation pit, the saving basin and the waterfront walls of the exit basins. These subsoil indicated modifications had inevitable impact on tender dates as well as on construction time and costs.The locks will be in each case tendered in three up to six contract units. Therefor the intermediate construction results of each contract must be clearly defined. The lock Gleesen was the first to be built within the scope of four contract units. The commissioning of the contract unit 2 - lock with auxiliary structures - took place in July 2018.Besides the building part the construction companies are commissioned with the execution planning (exception: hydraulic steel structures). The amount of boundary conditions results in highest demands for the tender documents (permitting and private-law demands, geotechnics, hydrogeology, calculation basis, minimum requirements for alternative tenders etc.) as well as for the contractual design (time limits, interfaces, approvals etc.).
机译：多特蒙德-埃姆斯运河（DEK）的北部也被称为“ Schleusentreppe Rheine”，在29公里长的一段路段上，有大锁Bevergern，Rodde，Venhaus，Hesselte和Gleesen。结构约为。已有100年的历史，在未来的几年中必须用新的建筑代替。新的锁接收室的有效长度为140 m，宽度为12.50 m。本节开头和结尾的Bevergern和Gleesen闸锁计划为带有节水盆地和大型建筑的闸门。两个联邦州的规划批准程序，标准化要求以及土壤管理的严格限制对作为一项附加要求，在计划草案完成后，还必须包括有关石灰溶解碳酸的最新结果。因此，计划和招标文件必须进行基本的重新设计，尤其是对于基坑，节水盆地和出口盆地的海滨墙的锚固元素。这些地基表明修改对招标日期，施工时间和成本产生了不可避免的影响。每种情况下，锁将以三个（最多六个）合同单位进行招标。因此，必须明确定义每份合同的中间施工结果。 Gleesen锁是第一个在四个合同单位范围内建造的锁。合同单元2-具有辅助结构的锁的调试于2018年7月进行。除建筑物部分外，建筑公司还被委托执行计划（液压钢结构除外）。边界条件的数量导致对招标文件的最高要求（许可和私法要求，岩土工程，水文地质，计算依据，替代招标的最低要求等）以及合同设计（时限，接口，批准）等等。）。

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