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Company defends SSI spending and risk-ranking; PHMSA-driven MAOP and leak-prone materials shape near-term projects
Summary
Witnesses told the commission SSI (system safety and integrity) projects account for the majority of planned GIP spending and described risk-ranking methodology, the role of subject-matter judgment, and PHMSA-driven MAOP and advisory-bulletin work (including removals of brittle plastics and legacy materials).
What parties aired: Conservation advocates, Denver and staff pressed the company on the extent to which alternatives to pipe renewal (nonpipeline alternatives) were considered and on the transparency of the company's risk-ranking process. Intervenors cited PHMSA data showing excavation damage and external forces as a major source of incidents and asked whether the company's project prioritization sufficiently accounts for those threats.
Company response: Ray Gardner, area vice president of gas engineering, said SSI projects constitute the bulk of the…
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