Section 5(2) in The Bombay Aerial Ropeways Rules, 1959
(2)Trestles, station buildings, rope anchorages, foundations and other civil engineering structures shall be according to the relevant codes and standards of the Indian Standard Institution, except that no increment in the allowable working stress shall be permitted for inclusion of wind load in the analysis. The external forces taken as basis for the calculation of the supports and their foundation shall also consists of the dead weight of the supports, the rope pressure, the weight of the fully loaded carriers, the effect of starting and stopping of the carriers. The promoter of every ropeway system shall ensure that trestles, station buildings, rope anchorage, foundation and other civil engineering structures have a minimum factor of safety of 4 on the breaking stress after taking into consideration the stress caused by all the aforesaid forces.
