Intermountain Gas 2024 IPUC Form 1 - Boise Field

Idaho PUC Pipeline Safety Inspection Summary
Inspector(s): lPerkins, Brooks, Galli Date(s): 4/1-2/2024
Company/Owner: I Intermountain Gas Company(IGC) Unit#/OPID 18160
Inspection Type &Time (1 day, 0.5 day) Total Inspection Days: 4
Standard: 1 4 1 Training: (T)(D)Integrity Management: Incident:
Follow-up: Oct: Damage Prevention: D&A:
Inspection Summary
Audit consisted of IPUC inspectors Perkins and Galli inspecting field installed equipment for the Boise,
Idaho inspection units. The PHMSA IA question set and IGC equipment listing were used as a guide
throughout the audit to ensure all areas were completed/covered.
January 16, 2024: (1.0 Standard Prep JB)
Prepared for IGC Field Audits
April 1 & 2, 2024: (1.5 Standard MG)(1.0 Standard BP)
Met with IGC company representatives in the Boise district office for in-brief and to begin field audit and review
OQ records for all personnel taking part in the inspection.
Regulator Stations: 14 regulator stations were inspected for proper operation, regulator lock-up,relief device
operation, cathodic protection pipe-to-soil readings, pipe-to soil interface wrap protection, station warning signs
and right-of-way clearances.
9 casing-to-carrier isolation checks, 8 cathodic protection rectifiers, 6 pipeline patrols, 11 emergency/isolation
valves and 20 HPSSs were checked for proper operation, observations listed below.
An exit interview was performed following the district inspection with field personnel of Intermountain Gas
Company and District Operations Manager. Only one minor discrepancy of a faded placard on a maloney post.
April 2, 2024: (0.5 Standard Post/Completed MG)
Completed audit forms: PHMSA IA question set with OQ protocol 9, IPUC Form 1, Post-Inspection Preliminary
Written Findings and attached inspection documents.
Attached:
IPUC Form 1, Preliminary Written Findings, Field Equipment Work Sheets
Corrective Action Required: Yes No X
Follow-up Required: by(date): Yes No X
Inspector(Lead): _ Date: 4/2/2024
Galli `-
Reviewer: Date: �' a- )u
Brooks
IPUC Form 1