Thermal, sound and fire insulation work on HVAC technical elements for the UN Geneva (Switzerland) Thermal, acoustic, and fire-insulation work for HVAC and plumbing technical components for the UN at Geneva (Switzerland)
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Description & Project Overview
Thermal, sound and fire insulation work on HVAC technical elements for the UN Geneva (Switzerland) Thermal, acoustic, and fire-insulation work for HVAC and plumbing technical components for the UN at Geneva (Switzerland) Request for EOI Description ENGLISH The United Nations Office at Geneva (UNOG) wishes to receive expressions of interest with a view to launching a call for tenders for the execution of thermal, sound and fire insulation work on HVAC (Heating Ventilation Air Conditioning Sanitary Refrigeration) technical elements for the Palais des Nations and its annexes in Geneva, Switzerland. The heritage to be maintained on the Palais des Nation site is made up of several buildings, the majority of which were built in the 1930s, part in the 1970s and additional buildings in the 2000s. 19th century villas are also part of the site as well as a new building completed in 2021 and prefabricated buildings constructed between 2020 and 2021. The services expected as part of this expression of interest are as follows, divided into two (2) Lots: LOT 1: THERMAL AND SOUND INSULATION OF HVAC TECHNICAL ELEMENTS • Removal of existing insulation (excluding asbestos and PCB), sorting and evacuation • Hot hydraulic networks in compacted mineral wool shells • Cold and sanitary hydraulic networks in PIR shells with continuous vapor barrier or in bonded synthetic elastomer • Positive and negative refrigeration networks in halogen-free elastomer (Armaflex type or equivalent) • Devices, tanks and equipment (insulation of tanks, exchangers, collectors, etc.) • Aeraulic networks (interior and exterior thermal insulation of rectangular, circular ducts and plenums in rock wool or elastomer) • Coatings, treatments and soundproofing • Finishes, mechanical protections and marking LOT 2: PASSIVE FIRE PROTECTION AND COMPARTMENTATION • Pipe crossings by c