Avista 230607 IPUC Form 1 - CDA field Audit

Idaho PUC Pipeline Safety Inspection Summary
Inspector(s): Brooks, Galli Date(s): June 5th-June 8th, 2023
Company/Owner: jAvista Utilities Unit/OPID: 131232
Inspection Type &Time (1 day, 0.5 day) Total Inspection Days: 8
Standard: Construction: Training: (T)(D) Integrity Management:: Incident:
Gas Ruler Follow-up: Oct: Damage Prevention: D&A:
Inspection Summary
Field audit consisted of inspecting operating equipment in the Coeur d'Alene, Idaho(CDA)district.
February 2,2023: (0.5 Standard Prep)
Prepared for Coeur d'Alene Field Audit
June 5, 2023: (2.0 Standard Travel)
Traveled to Coeur d' Alene (Brooks and Galli)
June 6-7,2023: (4.0 Standard)
IPUC inspectors Brooks and Galli conducted a field equipment audit of Avista's CDA district. The audit included:
Review of construction records, welding records, emergency manual, 7 regulator stations(212*, 4246*,4247*,
614, 604, 2029 and 5130) 3 carrier/casings, 3 rectifiers, 12 control valves, and 3 farm taps.Traffic control was
utilized for a few control valves. Three regulator stations (604 W/M) (2029 W) (4246 W/M)failed lockup due to
fouling(assumed dithiazine) issues and an mechanical damage on a pilot stem. The regulator stations were
repaired on-site by replacing pilot stems, diaphragm and orifice o-rings during the audit.
June 8, 2023: (1.0 Standard Travel)
Traveled back to Boise (Galli).
June 12,2023: (0.5 Standard Post)
Wrote the inspection report, completed audit forms: PHMSA IA question set, IPUC Forms 1, Post Inspection
Written Preliminary Findings and attached inspection documents.
Attached:
IPUC Form 1, Inspection Summary
Post-Inspection Written Preliminary Findings
IPUC Field Equipment Status Worksheets
Corrective Action Required: Yes No X
Follow-up Required: by (date): 2024 Field Audit Yes X No
Inspector(Lead): Date:
6/12/2023
Brooks
Reviewer: Date:
IPUC Form 1