Intermountain Gas 2023 IPUC Form 1 - Twin Falls Field Audit

Idaho PUC Pipeline Safety Inspection Summary
Inspector(s): jBrooks and Perkins Date(s): 6/26-28/2023
Company/Owner: Intermountain Gas Company(IGC) Unit#/OPID 18160
Inspection Type & Time(1 day, 0.5 day) Total Inspection Days: 5
Standard: 4.5 Training: (T)(D)Integrity Management: Incident:
Follow-up: OQ: 0.5 Damage Prevention: D&A:
Inspection Summary
Audit consisted of IPUC inspectors Brooks,Perkins inspecting field installed equipment for the Twin Falls,
Idaho inspection units. The PHNISA IA question set and IGC equipment listing were used as a guide
throughout the audit to ensure all areas were completed/covered.
Jun 20, 2023: (0.5 Standard Prep)
Prepared for IGC Twin Falls Field Audit
Jun 26-27,2023: (2.5 Standard 0.5 OQ)
Met with IGC company representatives in the Twin Falls district office for in-brief and to begin field audit and
review OQ records for all personnel taking part in the inspection.
Regulator Stations: 48617-RS-1153186, 48617-RS-60200,48617-RS-59805, 48617-RS-59761, 48621-RS-
60176, 48621-RS-60160, 48621-RS-60161, 48621-RS-60179, 48621-RS-59809, 48621-RS-59740, 48525-RS-
1111521 were inspected for proper operating parameters,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.
7 casing-to-carrier isolation checks, 3 cathodic protection rectifiers, 7 pipeline patrols, and 7 emergency/isolation
valves were checked for proper operation, observations listed below.
Observations:
Patrols 48621-PP-13973 hangars need repair, 48621-PP-13973, 48621-PP-14851 and 48517-PP-13970 need
paint/wrap,W/O's are in the file.
An exit interview was performed following the district inspection with Brack McMurtrey(District Manager) of
Intermountain Gas Company.
Jun 28, 2023: (0.5 Standard Post)
Wrote inspection report, completed audit forms: PHMSA IA question set with OQ protocol 9, IPUC Form 1,Post-
Inspection Preliminary Written Findings and attached inspection documents.
Jun 29, 2023: (1.0 Standard)
Traveled back to Boise.
IPUC Form 1

Idaho PUC Pipeline Safety Inspection Summary
Attached:
IPUC Form 1, Field Equipment Work Sheets
Corrective Action Required: Yes X No
Follow-up Required: by(date): 1-Jun-24 Yes X No
Inspector (Lead):
�.i 28 Jun 2023
Perkins
Reviewer:
Brooks ::
tDate:Ak—
IPUC Form 1