On the traffic axes of the village center of Netstal and the connection to the A3 national road (Glarus - Näfels axis), the high traffic load increasingly caused problems for residential development. Frequent traffic jams increasingly impaired the flow of traffic in general and public transport in particular.
The cantonal structure plan therefore provided for a connection to Mollis via a new northern link to relieve the traffic congestion in the village center of Netstal. The Netstal crossover is part of the 2010-2019 multi-year road construction program of the Canton of Glarus and was approved by the 2010 cantonal assembly.
The new cantonal road has a length of approx. 650 m and connects the national road N17 Netstal-Näfels with the cantonal road Netstal-Mollis and crosses the Linth with a new bridge.
The project was presented to the public in summer 2020 and subsequently approved by the cantonal government. Construction work on the Netstal crossover began in summer 2022 and the construction project was completed by the end of 2023. Environmental construction supervision (UBB) with integrated pedological construction supervision (BBB) was required for the construction phase.
Environmental clarifications and preparatory investigations as well as planning of environmental measures to accompany the construction work
Environmental consulting and support for clients, site managers and companies, review of environmentally relevant documents (installation concept, drainage concept, disposal concept, etc.)
Planning and execution of environmental construction site inspections and implementation of environmental measures and requirements, documentation in environmental construction journals
Waste law assessment and material sampling in connection with contaminated and suspected contaminated construction waste (asphalt, soil, excavated track material, geogenically contaminated excavated material, etc.)
Planning and carrying out inspections, interim inspections and environmental building inspections, including logging
Preparation of a final report on the environmental construction supervision for the client and the responsible environmental authorities
Challenges
Complex project organization due to numerous parties involved (landowners, land managers, cantonal authorities, Federal Roads Office, SBB, Mollis airfield, etc.)
High regional political significance of the project (traffic routing, bypass, development)
Construction projects on, over and in bodies of water, high water and fishing law requirements for construction and hydraulic engineering work
Compensation of crop rotation areas (CFA) through dismantling and recultivation of the end of the runway at Mollis airfield
Project-integrated implementation of ecological replacement and compensation measures (coppice hedge with herbaceous border, amphibian guidance system, etc.)
Our solutions
Forward-looking planning and organization of environmental measures and early implementation of the necessary environmental investigations and clarifications
Organization in a competent and very experienced, interdisciplinary and cross-company project team (engineering consortium Ecosens AG / myx GmbH)
Consultative and supportive cooperation with the client, site management and construction companies involved
Close cooperation and contact with all stakeholders involved and maintenance of simple and direct communication processes
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