Avista 230718 IPUC Form 1 - Sandpoint Field Audit

Idaho PUC Pipeline Safety Inspection Summary
Inspector(s): jBrooks, Galli Date(s):
07/17-19 &21/2023
Company/Owner: Avista Utilities I Unit#/OPID 131232
Inspection Type& Time (1 day, 0.5 day) Total Inspection Days:17.5
Standard: 1 7 Training: (T)(D) Integrity Management: Incident:
Follow-up: I I OQ: 10.51 Damage Prevention: D&A:
Inspection Summary
Audit consisted of inspecting field installed operating equipment for the Avista Sandpoint inspection unit.
January 31,2023: (0.5 Standard Prep)
Prep for Sandpoint Field Audit
July 17,2023: (2.0 Standard Travel)
Traveled to Sandpoint
July 18,2023: (2.0 Standard)
IPUC inspectors Brooks and Galli conducted a field audit of Avista's Sandpoint district. Audit included: Review
of construction records, emergency operations manual, verification of OQs, 4 regulator stations and 1 odorizor
(200, 201, 208, 209, 206*), 5 carrier/casings, 2 rectifiers, 16 control valves and 2 patrols.
One regulator station(206) failed lockup due to dithiazine issues on the worker regulator. Regulator was fixed
on-site by replacing pilot stem and plans were in place for installation of a pilot filter. The Kootenai River
Bridge Crossing had a low CP of-0.585. CP Technician was able to fix at the nearest recifier by securing a
couple loose connections. Final CP was -1.58.
*follow up inspection for prior year failure.
July 19,2023: (0.5 OQ, 0.5 Standard post)
Wrote the inspection report, completed audit forms: PHMSA IA question set, IPUC Form 1, Preliminary Written
Findings and attached inspection documents.
July 21,2023: (2 Standard Travel)
Traveled from Sandpoint
Attached:
IPUC Form 1, Inspection Summary
Preliminary Written Findings
1PUC Field Equipment Worksheets
Corrective Action Required: Yes No X
Follow-up Required: by(date): Yes No X
Inspector(Lead):
Date:
Brooks 7/20/2023
Reviewer:
Date:
IPUC Form 1