Douglas Pipeline Company 260623 New Plymouth Mountain Home Safety Inspection

IPUC Pipeline Safety Inspection
Inspector(s): Perkins, Green Date(s): 260623-260624
Company/Owner: Douglas Pipeline Company Unit/OPID: 31442
(DPC)
Standard: ® Training: ❑ TIMP/DIMP: ❑ OQ: ❑
Incident: ❑ Damage Prevention: ❑ Drug &Alcohol: ❑ Inspection Days: 3.0
Inspection Summary
Audit consisted of inspecting field assets for Douglas Pipeline Company(DPC)
June 23, 2026: (2.0 Standard) (1.0 Perkins) (1.0 Green)
Inspected field installed operating equipment for Douglas Pipeline Company
Langley-Gulch LG (New Plymouth) and Bennett Mountain BMT(Mountain Home) districts.
Audit included: 18 CP test station readings, verification of valve functionality(Langley Gulch- V1001,
V 1002, V 1003, V 1004) (Bennett Mountain-V 1001, 1002) and ROW line marker inspections.
June 24, 2026: (1.0 Standard) (0.5 Perkins) (0.5 Green)
Wrote inspection report and completed audit forms. Wrote NOPV DP202601.
Discrepancies:
Langley Gulch Power Plant transmission pipeline in New Plymouth, Idaho, had insufficient voltage
readings at locations 2, 3, 4 and 5.
Corrective Action Required: ® Yes ❑ No Compliance Letter#: DP202601
Lead Inspector: Per 'ns Date:260624 Reviewer: Brooks Date:
Signature: Signature:
IPUC Form 1 Rev. 12/08/2025