SV-CNI-260730-003 - RV - Modernisierung, Strömungsuntersuchungen, Brand- und Rauchgassimulationen

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The scope of services in particular includes the creation, plausibility checking, and further updating of a 3D CFD baseline model of the HO underground station, carrying out fire and smoke gas simulations with and without moving track beds or train movements, as well as flow and climate simulations for summer and winter cases. In particular, the effects of planned new build and refurbishment measures are to be investigated, e.g. a new intermediate level, modified access, escalators, lifts, enclosures, smoke curtains, ramps, openings, shafts, and the bicycle parking facility. The simulations are used to assess smoke and heat spread, visibility conditions, optical density, usability of escape routes for rescue, flow paths, temperature distribution, air exchange, local heat accumulation, pressure/suction (depression) profiles, and flow velocities. In addition, aerodynamic suction and pressure values are to be provided as input data for static assessments by structural engineering planning; static dimensioning and proof of structural stability are not part of the services being tendered. The results must be documented in a form that is suitable for review and prepared so that they…

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