Bulk products are a good job in my opinion.
I've been doing it for 20 years with my current employer.
Primarily, I haul fuel. Double trailers that load 13,000 gallons of diesel legal, or 16,000 gallons of gas.
Our gross limit here is 140,000 pounds.
Fuel generally takes from 15 to 30 minutes to load, and can be from 30 to 90 minutes to unload, depending upon whether it is a gravity drop (with up to 4 connections) or a pump off (1 connection).
Pneumatics take different amounts of time to unload depending upon the product and the blower you have.
Light powders take less time than pebbled lime ( about the size of 3/4 inch gravel). Think anywhere from 100 to 800 pounds a minute.
Dry hoppers are the quickest to unload if the facility is set up well. Usually under a half hour, including the sweep out.
Pressure vessels ( propane or other volatile liquid) take about 1/2 hour to load, and can take 2 to 3 hours to unload depending on the facility, and whether or not you can return the vapour to your tank.
It is good work, but it requires that you pay attention, and follow the rules that have been laid out for you by those who have gone before you.
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