Intermountain Gas Nampa 2 Field

Idaho PUC Pipeline Safety Inspection Summary
Inspector(s): Perkins/Ulmer/Russo/Leckie I Date(s): 20-24 Aug 201
Company/Owner: Intermountain Gas Company Unit/OPID: Nampa#2
Inspection Type &Time (1 day, 0.5 day) Total Inspection Days:1 12
Standard: 12 Construction:71 Training: F-] (T)(D) Integrity Management: E] Incident: EJ
M/M: F7 Follow-up: F7 OQ: F-1 Damage Prevention: El D&A:
Inspection Summary
Audit consisted of inspecting field installed equipment and operator qualification for the Nampa, Idaho
inspection units. Records and procedures for all Idaho Intermountain Gas Units were inspected in March 2018
at the Intermountain Gas Company(IGC) headquarters in Boise, Idaho.
August 20, 2018: (1 Standard Prep)
Prepared for the field audit of Intermountain Gas Company's natural gas distribution pipeline for the Nampa,
Idaho inspection unit. Reviewed operators operations/maintenance manuals, emergency manuals, operator
qualification procedures and the previous years audit results. Prepared PHMSA Form 2 and IPUC Forms and
worksheets for the inspection.
21 Aug,2018: (2 Standard)
Met with IGC company representatives in the Nampa district office for in-brief and to begin field audit.
Ten casing-to-carrier isolation checks, one cathodic protection rectifier, one pipeline patrol, and thirteen
emergency isolation valves were checked for proper operation and found to be operating properly.
22-23 Aug, 2018: (22 Aug-2 Standard, 23 Aug-4 Standard)
Regulator Stations 30016, 30018, 30046, 30047, 30051, 30056, 30062, 30069, 30070, 30074,40106, 40107,
40110, 40114, 40115,40116,40119,40120,40121,40125,40126,40127, 40128, 40177, and 40188 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.
An IPUC Form 3 (exit interview) was performed following the district inspection with Tyler Muzzana (District
Manager), Kelley Gorringe (Pipeline Safety Specialist), and Dave Call (Meter Inspector) of Intermountain Gas
Company.
Observations:
Reg Station: 40120 not plumbed for lock-up.
Reg Stations: 30056, 30074 and 40116 (Secondary)failed to lock-up, meter inspector corrected on the spot.
Reg Stations: 30118,40106,40119 and 40114 (Primary failed to lock-up, meter inspector corrected on the spot.
Reg Station: 30069, (Primary)failed to lock-up, bare steel on both primary/secondary risers above wrap,
exposed control wiring to pressure sensor/monitor(broken conduit).
Reg station: 40127, bare steel on both primary/secondary risers above wrap.
Reg station: 40119, relief flapper was bent (not sitting flush).
IPUC Form 1

Idaho PUC Pipeline Safety Inspection Summary
Reg Station: 40107, no carsonites on north side on road crossings.
Check for carsonites within class locations and all public road crossings.
Odorizer: 30070 unable to get a CP read.
Casings: 26701306, 26701305 and 26701309,vents are too close to the ground and are susceptible to water
intrusion.
Carrier: 26701306, unable to get a carrier read due to possible broken lead (per CP Tech).
Casing: 26701315,vent is buried.
August 24, 2018: (3 Standard Post)
Completed forms and typed report.
Attached:
IPUC Form 1, Inspection Summary
IPUC Form 3, Exit Interview
IPUC Field Equipment Status Worksheets
PHMSA Form 2, Standard Inspection of a Gas Distribution Operator(Field Inspection)
Corrective Action Required: Yes X No X
Follow-up Required: by(date): 15 Oct 2018 Yes X No X
Close-out Letter Issued: Yes No X
Inspector (Lead): Date: p /
Perkins
Reviewer: Date:
Leckie r,,
IPUC Form 1