1. The Carroll Group has developed a dry cleaning process for rail hopper cars that transports commodities like grain and fertilizer as an alternative to traditional water-based cleaning.
2. Their process involves inspecting cars for defects, then using compressed air hoses and hand scrapers to blast and scrape debris from all interior surfaces and hard to reach areas.
3. Debris is collected in bins pulled by skid steers under discharge gates for efficient disposal. The process is repeated until each car interior is completely clean.
4. On average it takes three to four labor hours to clean each car, with up to six employees working together on a single car. The dry process allows cars to be returned to service