Avista 240212-15 Lewiston Construction

IPUC Construction Inspection
Inspector(s): Perkins Date(s): 12-15 Feb 2024
Company/Owner: Avista Utilities Unit/OPID: 31232
Address: loth & Powers, 711 & 15 and 151h & City/District: Lewiston
Alder
Contractor/Job #: Foreman: Mitch Blake Employees: See OQ's in file
1027344853, NPL, Daniel Dach
100268923 Avista
Job Description: Abandoned t/" Aldyl-A System Type: Distribution
to 6 services and install :/" PE services,
abandoned 1550' of 2" Aldy-A, Tied in 2" steel
main to 2" PE mains when Aldy-A piping was
removed.
Operator Supervisor: One-Call Ticket: 2024030348, 2024030375
On-Site: Mitch Blake NPL, Daniel Dach
Avista
Total Inspection Days: 5
Tasks: Rating Critical Procedure# Comments
1. Materials-Handling, Storage, Labeling SAT 3.12-3.13
2. Trenching/Boring -Depth, Clearance SAT 3.15
3. Beddin Backfill SAT 3.15
4. Pipe Installation(Tracer Wire) SAT 3.13
5. Valve Installation NA 2.14
6. Coating Condition SAT 2.12
7. Manuals-Field Procedures, O & M SAT 1.4
8. Testing-Pressure, Duration, Type SAT 2.12-13/3.18
9. OQ Qualifications SAT 4.31
10. Casing Seal/Installation NA 3.42
11. Service Line Installation SAT 3.16
12. Tie-In/Hot Tapping SAT 3.32
13. Meter Location/Regulator Testing NA 2.22
14. Equipment Calibration Verification SAT 5.11,14,21
15. EFV Installation SAT 3.16
16. MAOP NA 4.15
17. Pure SAT 3.17
18. Safety Equipment SAT
19. Abandonment SAT 5.16
20. Line Locating SAT 4.13
21. Plastic Pipe SAT 3
- Joiner(s) Qualified
- Fusion Tools
- Heat Plate .23,24,25
- Joining Procedure
IPUC Form 4 Rev. 1212112023

IPUC Construction Inspection
22. Steel Pipe SAT 3.22
- Welder(s) Qualified
-Pipe/Coating Inspected/Repaired
- Cathodic Protection
-Non-Destructive Testing
- Welding Procedures
Additional Comments:
- 12 Feb 2024, Traveled to Lewiston Idaho for new construction, witnessed NPL personnel abandoning
'/2"Aldyl-A services and installing V PE services,potholing, utility locating,bedding, and back-filling
to 6 houses on 1 Oth Ave.
- 13 Feb 2024, Witnessed NPL personnel abandoning 1550' of 2"Aldy-A, flaring,potholing, bedding,
and backfilling. Witnessed Avista personnel welding on 2" steel main transition fitting to 2" PE main,
hot tapping, abandoning 15' of Aldyl-A, wax wrapping, cad welding tracer wires to steel line,
blowdowns, and electro fusing on Powers & 16th Ave.
-14 Feb 2024, Witnessed NPL personnel pot holing, boring, back filling and utility locating at 7"' and
15th near the port of Lewiston.
-15 Feb 2024, Witnessed Avista personnel weld in 2" steel main transition to 2" PE main. Welded on 2"
transition fittings, hot tapping, abandoning 2"Aldyl-A, wax wrapping, blowdowns, electro fused
steel transition fitting to PE and lyco fittings to 1 Oth St E & Powers Ave and Alder Dr and 151h St.
-16 Feb 2024, Traveled back to Boise and completed paperwork.
Corrective Action Required: Yes No X
Follow-up Required: By Date: Yes No X
Inspector (Lead):
�� Date: i1Oz
Perkin � 7,
Reviewer:
Date:
Brooks
IPUC Form 4 Rev. 1212112023