Compliance Verification Activity Report: CV2223-184 - NOVA Gas Transmission Ltd.


Compliance verification activity type: Field Inspection

Activity #: CV2223-184
Start date: 2023-02-06
End date: 2023-02-09


Regulated company: NOVA Gas Transmission Ltd.

Operating company: TransCanada PipeLines Limited

Province(s) / Territory(s):


Related events:

Rationale and scope:

Field inspection of the NGTL North Central Corridor Expansion Project - Red Earth Section 3. This compliance verification activity was focused on the Company and Contractor's implementation and oversight of environmental management and mitigation's across a ~32 KM spread of NPS 48 pipeline installation. 

Located in Sunrise County, approximately 45 KM north of Red Earth Creek, AB, the project crosses peatlands, wetlands, and wooded uplands. Five watercourses (including three unnamed drainages) are crossed, one of them subject to horizontal directional drill (HDD). Red Earth Caribou Range is encountered (KP 17 - 32) with a restricted access period (RAP) from February 15 - July 15.  

Compliance tool(s) used:

Facility details


Regulatory requirements

Regulatory requirements that apply to this activity:

Information Request

IR from CER (Information Request sent from CER to company)
IR.1 - Ice Bridge, Maintenance and Removal

Legislative Requirement : Project-specific Environmental Protection Plan (EPP)

Applicable Wording from Legislative Document
PDF - pg 39. Section 8.4. Watercourse Crossings. Activity/Concern: Vehicle Crossings - Frozen Conditions. Mitigation Measure. 31. Snowfills and ice bridges shall be regularly maintained to remove soil, mud and other debris prior to affecting water quality, as directed by the Environmental Inspector(s) or designate(s).

Theme and Categories

Environmental Protection
  • Water Bodies - Fish-bearing
    • Temporary Access Structures

Due Date : 2023-04-14

Review Response

Follow-up Action

Observations (no outstanding follow-up required)

Observation 1 - General Observations

Date & time of visit: 2023-02-07 12:00

Discipline: Environmental Protection




The following observations occurred across the Project, including on the Right-of-Way and several off site locations, over a two day in-field inspection. 

Construction Yards

Right-of-Way Soils and Windrows Wetlands and watercourses Access and Temporary Workspace

Compliance tool used: No compliance tool used

Observation 2 - CNC - Waste Segregation at Construction Yard / Kick-off

Date & time of visit: 2023-02-07 11:17

Discipline: Environmental Protection




Two main locations with labelled waste bins exist on the Project; at kick-off (i.e., KP 0) and the Prime Contractors main construction yard. While inspecting both locations, the inspection team observed unsegregated materials inside multiple bins. The following observations were made:

At kick-off,

At the construction yard,
After reviewing the EPP requirements for waste disposal, it is stated in the document that industrial waste is to be segregated from non-hazardous waste. In this case, the spent oil filter observed within the "Metals" bin at the main construction yard was improperly disposed of. Used oil filters are to be placed in sealed containers and disposed of by qualified service contractors. NGTL / TC Energy will be advised of the required corrective and preventative actions for segregating general waste items from industrial and potentially hazardous wastes.  

Compliance tool used: Corrected Non-compliance (CNC)

Regulatory requirement:

Relevant section(s):

Company action required:

The unsegregated waste materials mentioned in the observation are required to be removed form the bins which they do not belong in, and/or properly disposed of in accordance with the EPP. 

Due date: 2023-02-10

Date closed: 2023-03-27
Note: the date closed is the date that the inspector completed their review of the company corrective actions for adequacy and determined that no further actions are required.

Reason closed: Full relief granted

Compliance achieved: Yes

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