SV-JWA-260907-001 - Umweltverbundröhre Laim TWT München, Maschinelle Entrauchungsanlage

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Manufacture and installation of a mechanical smoke extraction system (MRA) with integrated smoke baffle and suspended ceiling in the environmental intermodal tube at the S-Bahn station Laim. The system runs over the entire tunnel length of approx. 200 m and is divided into two sections, each with one smoke extraction fan. mechanical smoke and heat extraction system in accordance with DIN 12101-3: • 2 smoke extraction ducts (“North” and “South”) in the tunnel longitudinal direction with a total length of approx. 165 linear meters made of stainless steel with cross-sectional areas of up to 3.2 m² (various cross-sectional shapes; special sizes!) and with a total of 18 suction openings. • 2 smoke gas fans F 400 / 120 min., DN 1250, (1 x 40 m³/s volumetric flow rate at approx. 1200 Pa and x 75 kW as well as 1 x 50 m³/s volumetric flow rate at approx. 1800 Pa, and 150 kW) including associated VFDs and terminal boxes • 2 connections each to site-built chimneys, bends, diffuser; non-return dampers, sound attenuators, fans (see above), sound attenuators, inlet nozzles, smoke chambers, passage through the smoke baffle, and connection to the above-mentioned smoke extraction ducts in the…

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