What licenses are required to install high-pressure piping or fabricate for installation in Minnesota?
A business must first employ an individual who has a contractor pipefitter license. The business may then apply for a Minnesota high-pressure-piping business license. After the business has met these requirements, it may apply for a permit to install or fabricate high-pressure piping. The business must also employ licensed journeyman pipefitters to install or fabricate the high-pressure piping.
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