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Master High Pressure Pipefitter (HPP)
License Description The Minnesota Department of Labor and Industry (DLI) license individuals as master and journeyworker pipefitters. Unlicensed individuals registered with DLI or in an approved apprenticeship program who work under supervision of a licensed pipefitter, may assist in the installation of high pressure piping systems. An individual must have five years of experience in the practical installation or fabrication of high pressure piping systems, apply for and be approved to take the master pipefitter exam, and receive a minimum score of 70 on the exam. See License Exam Schedule Review: FAQs about high pressure piping  High Pressure Piping License Examination Guide Personal licensing resources: Unlicensed pipefitter registration License Exam Schedule View HPP Contractor License None
Licensing Agency
Minnesota Department of Labor and Industry
443 Lafayette Road North
St. Paul, MN 55155
(651) 284 5005
dli.communications@state.mn.us
Active Status Active
License Type Register with licensing agency
License Updated 05/30/2024

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