Discussion topics

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  Australian company produces custom design Refuge Chamber for a TBM of only 4.4m diameter

  ...h service when required. • CO and CO2 Scrubber: Breathable air involves the removal of hazardous gases such as carbon dioxide and carbon monoxide as well as a fresh supply...

  1889 days ago

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  The longest tunnel in Poland is opened

  ...lation may be assisted by mechanical ventilation, and its activation will be determined by the readings of the pollution measurement system (CO and NOx), airflow velocity and visibi...

  1244 days ago

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Wall posts

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  ...TBMs. https://www.hindustantimes.com/pune-news/second-tunnel-boring-machine-for-swargate-agriculture-metro-stretch-begins-work/story-V7dy9X0A1UU8honoXtCwaK.html

  1956 days ago

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  ...la Croix-Rousse. Diesel vehicles are never a good idea. Only in Germany every year 160.000 people die related to diesel caused diseases they say. #NOX https://www.lyoncapitale.fr/a...

  1954 days ago

Tags

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  #Diesel buses are not a good idea for tunnels. And not for Lyon's tunnel modes doux de la Croix-Rousse. Diesel vehicles are never a good idea. Only in Germany every year 160.000 people die related to diesel caused diseases they say. #NOX https://www.lyoncapitale.fr/actualite/lyon-un-tunnel-modes-...

  Tags: Diesel, NOX

  1954 days ago