As our nation’s buildings and bridges continue to age and deteriorate, contractors are regularly challenged with completing retrofit, painting, abatement and other upgrades, without overloading or damaging the existing structures. With more and more federal, state, and local entities rewriting their specifications to put the structure evaluation and certification responsibility on the contractor, it has … Read the rest
Enclosed scaffold systems on bridges can expose some of the most complex erection and engineering challenges to face the scaffold industry today. Extreme heights, elaborate bridge profiles, severe wind speeds and other complications regularly drive scaffold contractors and engineers to develop state-of-the-art solutions. The following three high-profile bridge projects may have faced similar design obstacles, … Read the rest
Published in the September 2012 issue of SAIA
By Jasper Calcara, PE
If you can imagine the risks of two sumo wrestlers jumping on a child’s seesaw, you can start to visualize the challenges facing engineers on the Ballard Drive Bridge painting project.
The Ballard Drive Bridge is just one of many historic bridges scattered … Read the rest
By: Tommy Marciniak – SPECIAL TO CEG
Completing a cast-in-place project that measures 46 ft. (14 m) wide by 39 ft. (11.9 m) long by 35 ft. (10.7 m) deep near the shores of Lake Michigan is a challenging project in and of itself. Now add in the challenge of being in the middle of … Read the rest