LIRR Expansion Project - South Tyson Avenue Bridge, Floral Park, NY

Siefert Associates, LLC continues to provide construction engineering services to 3rd Track Constructors JV. Siefert is providing engineering for the removal of existing girders using the Liebherr LTM 1250-5.1 hydraullic crane, girder stability during removal, erection of precast panels & approach slabs, and rigging for removal and erection. Prior to removal, all the demolition operations were completed using a CAT325F L excavator.