Moylan said the blast cleaning
and painting are, by their nature, rather noisy processes, so limits on hours of work will be strictly enforced.
He said the project includes replacement of the bridge roadway floor system, repairs of the iron truss, blast cleaning
and painting of the superstructure, repairs to the substructure and approach roadways, and improvements to the bridge rail and sidewalk safety features, along with new bridge lighting.
In one of the closely monitored initial trials using a Cold Jet Aero 40 dry ice blast cleaning
system, Ghirardelli was able to reduce its clean-up time by more than 60 percent.
Dry ice blast cleaning
produces no secondary waste, is completely safe and non toxic and eliminates the use of ozone depleting chemicals in the cleaning process, thus offering a healthier work environment," added partner in the launch, Cold Jet Middle East managing director Denis Auger.
The experience of one Tyco Electronics plant in Belgium, which makes airbag connectors and other safety components, exemplifies the efficiency of dry-ice blast cleaning
While metallic abrasives will remain a small part of the overall market, they are important in several segments of the abrasives industry, including cleaning markets, blast cleaning
applications (particularly in the metalworking industry) and specialized niches such as refinishing marine surfaces.
and Blastrac (portable blast cleaning
systems, Koln, Germany).
After a blast cleaning
with the plastic media, there is no dust residue, and the time, and, therefore, cost savings, are significant.
From Niko of Germany they will see a container air cleaner, which is suitable for blast cleaning
open-necked jars at speeds up to 200 containers a minute.
Depending on the characteristics of the environment, the equipment and the degree of cleanliness required, surface preparation methods ranging from simple brush-off or water or solvent cleaning, hand or power tool cleaning, to flame and blast cleaning
or acid pickling may be selected.
It has bought into industrial services, supplying factory operators with extra services such as pipe lagging and blast cleaning
as well as the basic scaffold job needed to get the maintenance done in the first place.
Eventually, the ductile and gray iron metalcaster chose Blast Cleaning
Technologies (BCT), New Berlin, Wis.