43rd Street Bridge Demolition Procedure

Project Overview

Description

Demolition procedure for the original 43rd Street Bridge as part of the larger pedestrian bridge replacement program connecting Bronzeville to the Lakefront.

HBM's Scope

Scope of Work

• ›Demolition sequencing over Lake Shore Drive and rail
• ›Lakefront protection planning
• ›Demolition plan for the 43rd Street Bridge over the Metra/ICRR Railroads and South Lake Shore Drive in Chicago; commissioned by F.H. Paschen in collaboration with Omega III
• ›Two bridges: Bridge #1 — three-span continuous steel truss over the railroads; Bridge #2 — two-span continuous two-girder steel bridge over Lake Shore Drive
• ›Span-wise removal west to east (Bridge #1 Spans 1, 2, 3; Bridge #2 Spans 4 and 5) over three consecutive night shifts with full track and road closures; de-energizing of catenary power lines; wind-speed limitations; steel treated as potentially lead-painted with decontamination units
• ›Equipment: LR 1400 Crane; 118K Excavator (CAT 349, 345, or equivalent); 87K Excavator (CAT 336, 330, or equivalent); 40K loader. Structural analysis performed using SAP2000