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Office of Pipeline Safety

A Division of the Minnesota Department of Public Safety

Damage Prevention and Training

​Damage Prevention Case Studies

The Minnesota Office of Pipeline Safety invites you to view the virtual damage prevention presentations with case studies for excavators and other interested stakeholders. 

This case study discusses the importance of maintaining locate marks on-site. 
This case study discusses the importance of proper potholing during excavations. 
This case study discusses a 'Near Hit' incident during an excavation project. 
Follow this link to download and view the damage prevention PowerPoint presentation.

This case study discusses why an excavator should refrain from 'Mark Entire Lot' when requesting a One-Call ticket. 

​​​This case study discusses the importance of visually confirming an HDD bore excavation safely passing existing utilities.​.

Call Before You Dig, But Beware — Not Every Utility Gets Marked!

The Minnesota Office of Pipeline Safety would like to remind property owners that "private facilities" on your property are not required to be located by utility employees.


Drain Tile Excavation Round Table

The Minnesota Office of Pipeline Safety would like to thank everyone who participated in the drain tile excavation round table on May 16, 2013. The level of interest in this topic shows the commitment and common goal we all share for public safety.

Follow this link for the May 16, 2013 meeting survey results and comments.

Follow this link for the May 16, 2013 meeting presentation.

Locating Sewer and Water Service Laterals Reminder

The Minnesota Office of Pipeline Safety is reminding sewer and water facility owners that full compliance with Minnesota Rule 7560.0375 - LOCATING A SERVICE LATERAL - assures public safety and minimizes costly damages.

Click this link for more information on locating sewer and water service laterals.

Committed to Safety Through Education

MNOPS partners with the Gopher State One Call Board, local Utility Coordinating Committees and individual organizations to present over 80 excavation damage prevention educational seminars each year.  As a result of the excellent public/private partnership to enhance communications, educate excavators and provide fair and consistent enforcement of the One-Call laws, excavation related damages in Minnesota have declined by more than 70 percent since 1994.


Free Online First Responder Training; Pipeline Emergencies Second Edition

The National Association of State Fire Marshals (NASFM), working with a cooperative agreement from the U.S. Department of Transportation’s Pipeline and Hazardous Materials Safety Administration (PHMSA), unveiled an updated and customized second edition of the award-winning Pipeline Emergencies training curriculum.

Click this link for more information on free online first responder training.