# WOLVERINE PIPELINE CO — Integrity Assurance Notification

- **operation:** document
- **citation:** PHMSA 23-266690
- **title:** WOLVERINE PIPELINE CO — Integrity Assurance Notification
- **source type:** inspection
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2023-01-23
- **effective on:** 2023-01-23
- **summary:** HAZARDOUS LIQUID in IL; REPAIR; PHMSA status: RESOLVED.
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-leading-ian-23-266690-operator-22830.json
- **markdown:** https://regulus.evalyn.ai/document/phmsa-leading-ian-23-266690-operator-22830.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-leading-ian-23-266690-operator-22830
- **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/data_statistics/pipeline/SRCR_and_Integrity_Assurance_Notifications.zip
**body:**

2018 MFL PR-Ola {coating) - Unrepaired coating at a historical (3/10/2018) pipeline repair site -Repair was completed per regulatory requirements however, due to permitting requirements, performing the coating repair was not feasible. Coating repair is required by 49 CFR Part 195, § 195.561(b). 2018 FR-04 - Other Condition - Metal in Close Proximity in wetland area with shallow cover. Concern for future damage that could occur if metal in close proximity shifted closer to pipeline (i.e. during frost heave conditions) 2018 FR-02 - Other Condition - Corrosion under casing Recommended wax fill of casing annulus at crossing of Canadian National Railway and New Avenue. Concern that continued corrosion inside the casing will create a required repair, necessitating pipe replacement by horizontal directional boring.
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