Title: Certified Pipelayer
Alternate Title:
Description: An individual who has completed pipe-laying training in a program approved by the commissioner of the Minnesota Department of Labor and Industry (DLI), and has a certificate to show record of the training.
Subject: Pipefitters
Plumbers
Creation Date: 6/2/2010 10:43:49 AM
Modification Date: 9/2/2026 9:34:23 PM
Agency Name: Labor and Industry (DLI), Minnesota Department of
Agency URL: http://www.dli.mn.gov
Agency Description:
The agency ensures Minnesota’s work and living environments are equitable, healthy and safe. The agency oversees the state's programs for apprenticeship, construction codes and licensing, dual-training pipeline, occupational safety and health, wage and hour standards, workers' compensation and youth skills training programs. The Office of Combative Sports, within the Department of Labor & Industry, ensures Minnesota's combative sporting events are conducted in a manner that minimizes injuries and ensures fair competition.
Agency Phone: 651-284-5005
Agency Fax: Agency URL: http://www.dli.mn.gov
Agency Address:
443 Lafayette Road N.
St. Paul
MN 55155
Division Name: Construction Codes and Licensing Division (CCLD)
Division URL: http://www.dli.mn.gov/about-department/our-areas-service/construction-codes-and-licensing
Division Description:
Division Phone: Division Fax: Division URL: http://www.dli.mn.gov/about-department/our-areas-service/construction-codes-and-licensing
Unit Name: Licensing and Certification Services
Unit URL:
Unit Description:
Unit Phone: 651-284-5034
Unit Fax: Contact person(s): dli.license@state.mn.us
Unit URL:
Audience: Hold
Application URL: https://www.dli.mn.gov/ims
Renewal URL: https://www.dli.mn.gov/ims
Versa URL:
Requirements:
Water and sewer pipe‐layer training best practices
To perform water and sewer pipe‐laying work, Minnesota law requires individuals to obtain a plumbing bond or be an employee of a person in compliance with the bond and insurance requirements of Minn. Stat. §326B.46, subd. 2. Individuals performing building sewer or water service installation are not required to hold a plumbers license if they have completed
pipe‐laying training.
Best practices T
he following are best practices for water and sewer pipe‐laying training:
Best practices
The following are best practices for water and sewer pipe‐laying training:
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Those performing water and sewer pipe‐laying training are responsible for providing qualified instructors. Qualifications generally include a mix of directly related formal training and field experience.
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The instructors maintain records of those who have completed the training and issue pipe-layer cards with the expiration date to those who pass the course. Cards can be issued electronically and can be carried in the field as a paper card or on an electronic device when performing pipe-laying work. Pipelayer training cards expire every three years.
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Instruction for water and sewer pipe‐laying includes:
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all applicable parts of the Minnesota Plumbing Code,
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trench safety,
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utility locating,
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pipe materials,
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pipe cutting and joining techniques,
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sanitary and storm sewers,
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trench dewatering,
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setting elevations,
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hydrants,
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manholes and catch basins,
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confined space entry,
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blueprint reading,
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testing, and
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erosion/sediment control.
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Refresher pipe‐laying training consisting of at least four hours of training is provided at least once every three years to maintain a pipe‐layer card.
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Successful completion of the course includes passing the course test.
Questions?
Contact DLI at dli.license@state.mn.us
Rules:
Statutes:
Forms:
Fees: $50
Period of Issuance: Three years.
Length of Determination:
Other Info:
Activity: Plumbers
License Detail URL:
Water and sewer pipe‐layer training best practices
License and Registration Lookup
