Intermountain Gas Twin Falls Field

Idaho PUC Pipeline Safety Inspection Summary
Inspector(s): Perkins I Date(s): IJuly 6-8, 2020
Company/Owner: I Intermountain Gas Company Unit/OPID: I Twin Falls Field
Inspection Type &Time (1 day, 0.5 day) Total Inspection Days: 3
Standard:� Construction: 71 Training: F__] (T)(D) Integrity Management: Incident:
M/M: = Follow-up: OQ: Damage Prevention: D&A:
Inspection Summary
Audit consisted of inspecting field installed equipment for the Twin Falls, Idaho inspection units. Records and
procedures for all Idaho Intermountain Gas Units were inspected in February 2020 at the Intermountain Gas
Company (IGC) headquarters in Boise, Idaho.
July 6-7, 2020: (2.0 Standard)
Met with IGC company representatives via Facetime/virtually in the Twin Falls district office for in-brief and to
begin field audit.
Regulator Stations 50081, 50082, 50083, 50084. 50085. 50086, 50087, 50088, 50091, 50092, 50093, 50095,
50096, 50097, 50098, 50099, 50100, 50101, 50102, 50103, 50104, 50105, 50106, 50135 and 50141 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.
Fourteen casing-to-carrier isolation checks, nine pipeline patrols, and ten emergency isolation valves were
checked for proper operation, observations listed below.
An IPUC Form 3 (exit interview) was performed following the district inspection with Kelley Gorringe
(Compliance/Audit Specialist) of Intermountain Gas Company.
Observations:
Not Plumbed for lock-up: Reg Stations: 50096.
Failed lock-up: Reg Stations: 50087 (Prim), corrected on the spot.
Patrol ACP-575-001 gas line/wrap was touching the wing wall, concern of rubbing coating away.
July 8, 2020: (1 Standard Post)
Completed forms and typed report.
IPUC Form 1

Idaho PUC Pipeline Safety Inspection Summary
Attached:
IPUC Form 1, Inspection Summary
IPUC Form 3, Exit Interview
IPUC Field Equipment Status Worksheets
PHMSA IA Question Set, Field Inspection Portion (not attached but in IA database)
Corrective Action Required: Yes X Na
Follow-up Required: by (date): 7 January 2021 Yes X No
Inspector(Lead): Date:
Perkins ✓
Reviewer: Date:
13 J-t k
IPUC Form 1