Compliance Verification Activity Report: CV2223-178 - NOVA Gas Transmission Ltd.

Overview

Compliance verification activity type: Field Inspection

Activity #: CV2223-178
Start date: 2022-09-13
End date: 2022-09-15

Team:

Regulated company: NOVA Gas Transmission Ltd.

Operating company: TransCanada PipeLines Limited

Province(s) / Territory(s):

Discipline(s):

Rationale and scope:

Construction inspection for West Path Delivery 2022: XG-005-2021 NPS 48 Raven River and ABC sections.

Compliance tool(s) used:

Facility details

Facilities:

Regulatory requirements

Regulatory requirements that apply to this activity:

Regulatory instrument number(s):

Information Request

IR from CER (Information Request sent from CER to company)
IR 1 - PAUT Calibration

Legislative Requirement : CSA Z662-19 - Oil and Gas Pipeline Systems

Applicable Wording from Legislative Document
7.15.7.4 The system calibration shall be performed as specified in Paragraphs T-462, T-463, T-464, and T-465 of the ASME Boiler and Pressure Vessel Code, Section V, Article 4, except that the interval between calibration checks shall not exceed 1 h during a series of similar examinations, and the calibration block required by Clause 7.15.7.2 shall be used where applicable. Reference levels shall be set at 80% full screen height and recording levels shall be set at 40% full screen height (6 dB below the reference level). 7.15.9.3 Inspection sensitivity shall be measured using the calibration block at regular intervals not exceeding 1 h or every ten welds, and when any part of the inspection system is changed, the result from the sensitivity measurements shall be recorded. Any decrease of more than 3 dB from the sensitivity established in the calibration required by Clause 7.15.7.4 for any search unit shall require recalibration and a reinspection of all welds inspected since the last acceptable sensitivity verification.

Theme and Categories

Integrity Management
  • Pipeline
    • Inspections
    • Welding Operations

Due Date : 2022-11-21

Review Response
Acceptable

Follow-up Action
None

Observations (no outstanding follow-up required)

Observation 1 - Day 1 - ABC Section Construction Office – Geohazards Review

Date & time of visit: 2022-09-13 13:45

Discipline: Integrity Management

Categories:

Facility:

Observations:

Compliance tool used: No compliance tool used

Observation 2 - Day 1 - Stockyard (Immediately South of the Alberta BC Border 1 & 2 Meter Station)

Date & time of visit: 2022-09-13 14:28

Discipline: Integrity Management

Categories:

Facility:

Observations:

Compliance tool used: No compliance tool used

Observation 3 - Day 1 - Construction in the Alberta BC Border 1 & 2 Meter Station

Date & time of visit: 2022-09-13 14:37

Discipline: Integrity Management

Categories:

Facility:

Observations:

Compliance tool used: No compliance tool used

Observation 4 - Day 2 - Raven River Section – Field Coating Inspection (KP 15+100)

Date & time of visit: 2022-09-14 15:05

Discipline: Integrity Management

Categories:

Facility:

Observations:

Compliance tool used: No compliance tool used

Observation 5 - Day 2 - Raven River Section – Tie-In Welding (KP 14+800)

Date & time of visit: 2022-09-14 15:37

Discipline: Integrity Management

Categories:

Facility:

Observations:

Compliance tool used: No compliance tool used

Observation 6 - Day 2 - Raven River Section – Non-Destructive Examination (KP 0+100)

Date & time of visit: 2022-09-14 16:21

Discipline: Integrity Management

Categories:

Facility:

Observations:

Compliance tool used: No compliance tool used

Observation 7 - Day 3 - Raven River Section Construction Office – Documentation Review

Date & time of visit: 2022-09-15 07:30

Discipline: Integrity Management

Categories:

Facility:

Observations:

Compliance tool used: No compliance tool used

Observation 8 - Day 3 - Raven River Section – Backfill at Pipe Tie-in (KP 5+350)

Date & time of visit: 2022-09-15 10:39

Discipline: Integrity Management

Categories:

Facility:

Observations:

Compliance tool used: No compliance tool used

Observation 9 - Day 3 - Raven River Section – Screw Anchor Installation (KP 13+800)

Date & time of visit: 2022-09-15 11:47

Discipline: Integrity Management

Categories:

Facility:

Observations:

Compliance tool used: No compliance tool used

Observations (company follow-up required)

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