13043.10 / 242-01 Heating and cooling systems, repair & extension of the operating building of the Lake Police and Shipping Control Office Oberrieden

The High Construction Authority, Canton of Zurich in Switzerland from Europe region has released this tender for BKP 242-01 Heating and Cooling Systems Background The Canton of Zurich is undertaking the renovation and expansion of the operations building for the Lake Police and Shipping Control at its Oberrieden location. The existing base will be comprehensively renovated, structurally reinforced, and expanded with a new building. Lake Police operations will be maintained during the construction period via separate temporary facilities. The goal is a modern, secure, and energy-efficient base that will meet operational requirements in the long term. Project Overview The project encompasses all heating and cooling systems of the main project and is divided into the following areas: • Dismantling and demolition of the existing cooling installations • Preparation of the existing heating system for dismantling on-site • Repair and upgrading of the existing heating and cooling systems • Construction of new heating and cooling systems in the extension, as well as adjustments to the surrounding area and outdoor facilities. The site is located on Seestrasse in Oberrieden (ZH). The work will be carried out while operations continue and in several phases. Project Objective: The objective of this project is a completely renovated and operationally reliable base for the lake police, equipped with modern, standards-compliant, and energy-efficient heating and cooling systems. These systems are designed for reliable operation, high availability, and robust, low-maintenance construction, and form an integral part of the overall project. Contractor Services Sought: Qualified companies are sought for the execution of the heating and cooling system installations in the main project, encompassing demolition, renovation of existing structures, new construction, and related work in the surrounding area, including all necessary services within each respective trade. For better orientation, the building permit plans are attached to this tender. They provide interested companies with an initial overview of the location, scope, and surrounding area of ​​the work. Heating and Cooling Work: The existing heating system will be drained, and no longer required installations will be decommissioned; dismantling will be carried out by the client. Existing cooling installations and split units will be professionally dismantled and disposed of by the heating contractor. The new energy supply is provided by a ground source heat pump system located outdoors, in conjunction with a brine-to-water heat pump. The ground source heat pumps serve both heating and cooling purposes. The construction of the ground source heat pump system, including drilling, distribution shaft, and connecting pipes, is part of the project. The heat pump will be installed in the boiler room on the top floor and will supply underfloor heating in the usable areas, radiators in storage and technical areas, ceiling panels in the workshop, and the heating coils of the ventilation systems.A hot water storage tank optimizes operation; domestic hot water is supplied via a fresh water station. The storage tank and fresh water station are provided by the plumbing contractor. The heat distribution system is partially rebuilt or adapted, hydraulically balanced, and demand-controlled. Cooling is primarily provided via free cooling using the ground source heat pumps. For higher cooling demands, the heat pump actively generates additional cooling. Cooling is provided via underfloor heating, ceiling panels, fan coil units, and ventilation coolers. All necessary piping, fittings, measuring and safety devices, and insulation, as well as installation, filling, testing, and commissioning, are included in the scope of work. The control of the heating and cooling systems is coordinated with the building automation system. A mobile heating unit is planned for drying the screed; the permanent heat pump must not be used for this purpose. Work will be carried out in phases and in coordination with ongoing operations and the other companies involved in the project. with tender notice no. 707387-2026 published on 13 Oct 2026. The tender is due to expire on 20 Nov 2026. This tender is sourced from TED Europa and is eligible for suppliers interested in Electrical installation work of heating and other electrical building-equipment, Installation work of cooling equipment, Commissioning of heating installations, Heating engineering services for buildings, Heating-system design services. Interested bidders can obtain further information including complete bid documents or ways to participate by registering on Tender Impulse and referencing via Tender Impulse ID 15464648.