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Title: Journeyworker High Pressure Pipefitter (HPP)
Alternate Title:
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.
Subject: High Pressure Piping
Creation Date: 9/11/2008 2:13:44 PM
Modification Date: 7/16/2019 10:29:09 AM
Agency Name: Labor and Industry (DLI), Minnesota Department of
Agency URL:
Agency Description: The Minnesota Department of Labor and Industry (DLI) oversees the state's apprenticeship, construction codes and licensing, occupational safety and health, wage and hour standards and workers' compensation programs and the Office of Combative Sports (OCS).
Agency Phone: 651-284-5005
Agency Fax: Agency URL:
Agency Address:
443 Lafayette Road N.

St. Paul
MN 55155

Division Name: Construction Codes and Licensing Division (CCLD)
Division URL:
Division Description:
Division Phone: Division Fax: Division URL:
Unit Name: Licensing and Certification Services
Unit URL:
Unit Description:
Unit Phone: 651-284-5031
Unit Fax: Contact person(s):
Unit URL:
Audience: Hold Application URL:
Renewal URL:
Versa URL:

An individual must have four years of experience in the practical installation or fabrication of high pressure piping systems, apply for and be approved to take the journeyworker pipefitter exam, and receive a minimum score of 70 on the exam.

Included in the master / journeyworker pipefitter exams:
Both examinations are drawn from the Minnesota's high pressure piping and code for power piping systems: Minn.Stat. Chapter 326B..90-925 and Minn. Rules 5230. This information is also available for purchase from Minnesota's Bookstore.

Download the high-pressure-piping license examination guide

Refer to FAQs about High Pressure Piping

Rules: 5230.0010 - .1270

Statutes: 326.46


Pipefitter Licensing

Fees: Go to Payment Center
Period of Issuance:


Length of Determination: One week.
Other Info:
Activity: High Pressure Pipefitter
High Pressure Piping
License Detail URL:

Pipefitter Licensing


Check a license or registration 

Minnesota Department of Labor & Industry (DLI)

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