Heavy-duty elevators are used in mass railway transit systems as rapid transit (metro), LRT. A. Design Criteria A. Operational requirements Hours of operation shall be considered as twenty-four (24) hours … Continue reading
Software applications used for the design of tunnel ventilation systems fall into two general categories: onedimensional onedimensional, also known as network analysis, and two or three-dimensional CFD. In network analysis, … Continue reading
On March 24, 2014, a Chicago Transit Authority (CTA) passenger train overran the bumper at O’Hare subway station, injuring 34 people. The cause is under investigation. The front car of … Continue reading