Purpose: Used to specify load factor for permit vehicle in LFD or LRFD projects.
--> Given in girder input and bracing input
Load factor for the permit loading. If not given, 1.15 will be used for LFD line girder projects and 1.25 for LFD girder system project if CALTRANS permit trucks are used. If PBETA is not given, then for all other permit trucks in LFD projects it will be 1.00, and for LRFD projects it will be 1.35.