Compliance verification activity type: Field Inspection
Team:
Regulated company: Hydro One Networks Inc.
Operating company: Hydro One Networks Inc.
Province(s) / Territory(s):
Discipline(s):
Related events:
Rationale and scope:
Field inspection of Hydro One Networks
Compliance tool(s) used:
Facilities:
Facility Types
Life-cycle Phases
Regulatory requirements that apply to this activity:
Observation 1 - J5D (EC-13)
Date & time of visit: 2021-09-08 08:18
Discipline: Integrity Management
Categories:
Facility:
Observations:
Observation:Staff inspected J5D towers and accessories. The vibration dampers, insulators, and the general condition of the towers were found satisfactory (except for the deficiencies and items of concern listed below). No bird caging was noticed on the conductors. Line clearances of the river crossing and other towers exceeded the requirements of the standard CSA 22.3 No.1-15. At the time of the inspection, the control room was not accessible. Hydro One provided pictures of the Differential Protection relay which replaced the Line Distance Protection relay as described in their application.Five deficiencies categories were identified on the inspected sections of IPL J5D. The deficiency categories and corresponding CSA 22.3 No. 1-15 requirements are listed below:
Compliance tool used: No compliance tool used
Observation 2 - L4D & L51D (EC-III-6 & EC-III-13)
Date & time of visit: 2021-09-08 13:30
Observation:Staff inspected L4D selected towers and accessories as well as L4D and L51D substation. The conductor, vibration dampers, insulators, and the general condition of the towers were found satisfactory (except for the deficiencies and items of concern listed below). No bird caging was noticed on the conductors. Line clearances of the river crossing and other towers exceeded the requirements of the standard CSA 22.3 No.1-15.Four deficiencies categories were identified on the inspected sections of IPLs L4D and L51D. The deficiency categories and corresponding CSA 22.3 No. 1-15 requirements are listed below:
Observation 3 - L33P & L34P (EC-11 & EC-18)
Date & time of visit: 2021-09-09 07:40
Observation:Staff inspected selected L33P and L34P towers and accessories. The conductor, vibration dampers, insulators, and the general condition of the towers were found satisfactory (except for the deficiencies and items of concern listed below). No bird caging was noticed on the conductors. Line clearances of the river crossing and other towers exceeded the requirements of the standard CSA 22.3 No.1-15. At the substation it was observed that line L33P was out of service. Hydro One clarified that L33P has been out of service for over a year.Five deficiencies categories were identified on the inspected sections of IPLs L33P and L34P. The deficiency categories and corresponding CSA 22.3 No. 1-15 requirements are listed below:
Identified non-compliances to company plans or procedures are non-compliances either to:
- the condition of an authorization document that requires the implementation of that plan or procedure; or
- the relevant section of the regulations that requires implementation of that plan or procedure including those sections that require implementation of plans or procedures as a part of a Program