To renew air in headings during construction, two Sulzer fans were installed, driven by 125-hp motors and working in series; fresh air was led to headings and to lateral and upper works by pipes 2 ft and 3 1/4 ft in diam.
Ventilating plant of Sainte-Marie railway tunnel on line between Saint-Die and Sainte-Marie-Aux-mines in the vosges
Sulzer Tech Rev
Sulzer Technical Review ; n 2
1936
2 pages
Article (Journal)
English
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