WASTE MANAGEMENT PLAN Pointed Mountain Pipeline Removal at Kotaneelee River Crossing Prepared by: Triton Environmental Consultants Ltd. Barb Anderson, R.P. Bio.

Prepared for: Spectra Energy Transmission Project Manager: Rudy Wartlik (604) 604-691-5719 Coordinator, Regulatory Affairs: Jeff Enns (403) 699-1779

July 1, 2015

3990 22 n d Avenue, Prince George, BC, V2N 3A1 |

tel 250 562 9155|

fax 250 562 9135|

triton-env.com

Pointed Mt Pipeline Removal

July 2015

Revision History and Approvals Project Name Project Number Report Title Document # Report Author(s) Date

Version

Pointed Mountain Pipeline Removal at Kotaneelee River Crossing 5197 Pointed Mountain Pipeline Removal Waste Management Plan P3446 Barb Anderson, RP Bio Reviewed by Review Type1 (name, company)

Mar. 6, 2015

Draft v1

Document Review

Janet Pritchard, Triton

Apr. 30, 2015

Draft v2

Senior/Technical Review

Trish Merriman, RP Bio, Triton

May, 2015

Draft v3

Client Review

Rudy Wartlik, Project Manager, Siobhan Crawford, Environmental Specialist Spectra Energy

June 25, 2015

Draft v3

Document Review

Amanda Wamsteeker, Triton

June 26, 2015

Final V 3

Senior

Trish Merriman, RP Bio, Triton

Notes: Review Types: 1. Peer/Technical Review: Check text, in-text reference to numbers, calculations, tables, methods, graphics, and literature cited. The Peer Review assumes the database has been QA’d for transcription and data entry errors 2. Senior Review: Check organization, defensibility, results interpretation and scope 3. Document Review: Check organization, formatting, grammar, in-text table and figure numbering, referencing, and proofreading 4. Client Review/Comments: Feedback or revisions from the client Documents may undergo several Peer, Senior, Document, and/or Client Reviews before the final document is produced. A Document Review should be the final review in most cases where changes have been made to the text. Versions are numbered by v.1, v.2, etc. with the version number changing for each stage of the reporting process (e.g., Draft v.1, Client Review or Draft v.2, Final v.3)

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Disclaimer This Waste Management Plan (WMP) is rendered solely for the use of Westcoast Energy Incorporated, operating as Spectra Energy Transmission (SET), in connection with the Pointed Mountain Pipeline Removal at Kotaneelee River Crossing Project (the Project), and no person may rely on it for any other purpose without Triton Environmental Consultants Ltd.’s (Triton) prior written approval. Should a third party use this report without Triton’s approval, they may not rely upon it. Triton accepts no responsibility for loss or damages suffered by any third party as a result of decisions made or actions taken based on this report. The objective of this report is to address the following scope requirements: provision of the Project WMP for SET. This report is based on facts and opinions contained within the referenced documents and facts. We have attempted to identify and consider relevant facts and documents pertaining to the scope of work, as of the time period during which we conducted this analysis. However, our opinions may change if new information is available or if information we have relied on is altered. The following assumptions were relied on during the preparation of this report:  

That best known descriptions of the Project were provided to Triton by SET; and, That any revisions to the Project scope, Project construction works or scheduling will be provided to Triton so that adjustments to the report can be made.

This report should be considered as a whole and selecting only portions of the report for reliance may create a misleading view of our opinions.

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TABLE OF CONTENTS Disclaimer ...................................................................................................................... ii 1.0 Introduction......................................................................................................... 1 1.1 Company and Project Site Details .................................................................. 1 1.2 Waste Management Plan Revisions ................................................................ 1 1.3 Project Description ............................................................................................. 3 1.3.1 Components ................................................................................................. 3 1.3.2 Timeline........................................................................................................... 4 1.3.3 Sensitivities ...................................................................................................... 4 1.4 Environmental Policy of Spectra Energy Transmission .................................. 6 1.5 Purpose, Goal and Scope of the Waste Management Plan ...................... 6 1.6 Proposed Locations for Waste Management Activities .............................. 7 Identification of Project Waste Types ............................................................... 8 2.0 2.1 Potential Environmental Effects ....................................................................... 8 3.0 Management of Waste ...................................................................................... 9 3.1 General Construction Waste Management Measures ................................ 9 3.2 Wildlife Attractant Management .................................................................. 10 3.3 Waste Containment ........................................................................................ 10 3.4 Waste Transport ................................................................................................ 12 3.5 Infrastructure ..................................................................................................... 13 4.0 References ........................................................................................................ 14 LIST OF FIGURES Figure 1. Project Location Map....................................................................................... 2 Figure 2. Waste Management Hierarchy ...................................................................... 6 LIST OF TABLES Table 1. WMP Revision History ......................................................................................... 1 Table 2. Existing Project ROW Access and Sites ........................................................... 5 Table 3. Proposed Additional (new) Temporary Workspaces ................................... 5 Table 4. Waste Types and Sources ................................................................................. 8 Table 5. Rationale for Waste Management Methods............................................... 12

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1.0

July 2015

Introduction

This Waste Management Plan (WMP) has been developed by Triton Environmental Consultants Ltd. (Triton) for use by Spectra Energy Transmission (SET) and its contractors during the proposed removal of a section of the de-activated 508 mm OD (outside diameter) Pointed Mountain Pipeline (PMP) at its crossing of the Kotaneelee River in the Northwest Territories (Figure 1). This WMP has been developed in accordance with the Mackenzie Valley Land and Water Board (MVLWB) Guidelines for Developing a Waste Management Plan (MVLWB, 2011). It also utilizes the Used Oil and Waste Fuel Management Regulations: Plain Language Guide (ENR, 2003), Guideline for the General Management of Hazardous Waste in the NWT (GNWT, 1998) and the Oilfield Waste Management in and the Northwest Territories (CAPP, 2009), SET’s Environmental Manual for Construction Projects in Canada (SET, 2014), and Triton’s ENV 202 Construction Waste Management Procedures (Triton, unpublished). 1.1

Company and Project Site Details

Company Name: Westcoast Energy Incorporated, operating as Spectra Energy Transmission Incorporated. Site Name: Pointed Mountain Pipeline Removal at Kotaneelee River crossing. Site Location: The existing Amoco/PMP road access ROW, airstrip, PMP ROW, and pig launching site, in addition to 4 temporary workspaces near the proposed works at the PMP crossing on the Kotaneelee River (Figure 1). Photographs of the crossing are included in the Project EPP. Relevant NTS mapsheets for Project area are 95B04 and 95B05.

1.2

Waste Management Plan Revisions

Effective date of this WMP is June 1, 2015. If required, revisions to this WMP will be recorded (Table 1). Table 1. WMP Revision History Version v. 1 V.3

Effective Date June 1, 2015 June 30, 2015

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450000

13 00

60 0

6710000

1100

14 00

70 0

10 00

Contours

60 0

110 0

90 0

400

30 0

k re e

6700000

12 0 0

60 0

Pigging Site

Pointed Mountain Fisherman Lake

110 0

13 00

6690000

800

0 10 0

0 12 0

70 0

110 0

60 0

60 0

Kotaneelee Range

30 0

1400

90 0

12 0 0

40 0

M

600

50 0

Mount Coty 50 0

90 0

00 13

Km 18.8 PMP Crossing Project Location

40 0

1100

15 00

50 0

00 14 12 00

R abbit C

0 110

Airstrip

Big Island

80 0

Kotaneelee River

Flow Direction 13 00

0 80

Wetland

70 0

10 00

13 00

110 0

00 10

1400

Waterbody

10 00

14 00

0 70

00 11

80 0

10 00 Pipeline R/W Westcoast

Project Access

6700000

60 0

1400

Boundary (Interprovincial)

6690000

110 0

00 10

13 00

00 12

Road

1200

480000

10 00

River

12 00

470000

0 13 0

0 90

Legend

6710000

460000

60 0

440000

us ke g

R iv

50 0

er

50 0

13 00

6670000

70 0

0 50

r

Lia

r 50 0

40 0

0 40

Mount Martin 90 0

70 0

50 0

ich eR ive

r

80 0

50 0

Big

I sla

nd Creek

Site Location

La B

50 0

0 50

400

Fort Nelson

50 0

40 0

0 40 0 30

e r River

40 0

La B

iche Rive Pointed Mt. Pipeline Removal at r Kotaneelee Crossing 440000

Figure 1. Project Location

Kamloops

450000 0

460000 2

4

Prince George

6

8

Scale: 1:300,000

10 Kilometers

470000

480000

File No: N:\ACTIVE\7702_Spectra Energy\MXD\Kotaneelee River Crossing Spill.mxd Project No: 7702 Date: May 29, 2015 Basemap Source: Canda Base Map Map Datum: NAD 1983 UTM Zone 10N

6650000

iver

Kitimat

Liard R

B e av

40 0

500

60 0

Dawson Creek

30 0

6650000

tR iv er

30 0

10 0 0

rd

ve Ri

ito

6660000

60 0

0 50

6660000

6680000

Pe t

40 0

iv e

Fort Liard

6670000

50 0

6680000

13 00

20 0

0 40

ne e R Kota e le

0 50

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1.3

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Project Description

The PMP lies between the gas reserves of the Kotaneelee and the Pointed Mountain fields in the Liard Basin region of south-western NWT (Lane et al., 2001) and was installed in 1972 using open cut trenching across the Kotaneelee River channel. Concrete pipe weights were attached to portions of the pipeline at 4.6m intervals (Landeen and Brandt, 1975). Since that time, the river channel has shifted, resulting in lateral bank erosion and exposing approximately 56 m of pipeline. The entire length of the pipeline at the crossing, both the exposed and buried sections, is approximately 400 m (DES, 2014). 1.3.1

Components

Project components consist of the previously established access ROWs, the existing pig launching site (where SET will install a flange)), as well as any temporary workspaces needed for pipeline removal work at the Kotaneelee River crossing. No wastes will be permanently deposited in the project area as a result of the project activities. Access to the Kotaneelee River crossing will be via three ice bridges; one constructed over the Petitot River, another at the barge crossing over the Liard River, and the third at the Project site on the Kotaneelee River. Crews and equipment will access the barge crossing using an existing approximately 14 km long, Amoco/PMP ROW that originates from the Fort Liard airfield. Once across the Liard River, approximately 23 km of the Amoco/PMP access road ROW will be used to access the PMP Right of Way (ROW). The distance from PMP/Amoco road junction to the Project site is approximately 13 km. Using these existing ROW’s, the route from the Liard River to the Kotaneelee River crossing is approximately 50 km. Crews will travel daily to the worksite from their accommodations at the Acho Horizon open camp situated at km 99 on the Fort Liard highway. The PMP ROW is expected to have seral stage vegetation re-growth and will require clearing. The Amoco road ROW is expected to need snow clearing and possible crossing maintenance prior to its use by Project traffic. Current plans are to have temporary large capacity fuel storage tanks located on a previously disturbed area at the PMP airstrip (located near the Amoco road/PMP ROW junction). It is anticipated that the Kotaneelee Crossing site work will be accommodated within the existing PMP ROW and with the addition of 4 temporary workspaces. Tables 2 and 3 describe site, access and temporary workspace details. Proposed temporary workspace maps and drawings are included in the EPP for this Project. Workspace 1 and 3 will be within the stream channel and a portion of both stream bank riparian areas. Workspace 2 will be located in the north bank riparian area adjacent to the channel. Workspace 4 will be in an upland area approximately 1.4 km from the Kotaneelee River along the PMP ROW. Ice bridge access across Waste Management Plan Prepared by Triton Environmental Consultants Ltd.

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the Kotaneelee River will also be required in order to execute the pipeline removal. 1.3.2

Timeline

Construction is expected to occur during the winter of 2015/2016, and will take approximately 90 days to complete. A company will be contracted by SET (the Contractor) to execute the pipeline removal, and will be supervised by a SET representative on-site. The Contractor will be responsible for access maintenance, ice-bridge and snow fill construction, and pipeline removal, disturbance reclamation, demobilization and egress. It is estimated that the access maintenance and construction of all ice bridges will take between 25-45 days. The pipeline removal, reclamation, demobilization and egress are estimated at 40 days. These projections are subject to change relative to weather and area conditions. 1.3.3

Sensitivities

Anticipated project area sensitivities, project effects, as well as the mitigation plans and reclamation plan associated with the project, are included in the Environmental Protection Plan (EPP), submitted in support of the MVLWB permit application.

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Table 2. Existing Project ROW Access and Sites Project Component Winter Access Route

Work Sites

Fuel Storage

Description Amoco access start point at Fort Liard airfield Petitot River Crossing Liard River (Barge) Crossing

10 U Easting 473456 473369 463293

Northing 6677241 6677158 6672622

Latitude 60.231063 60.230312 60.188802

Longitude -123.479238 -123.480798 -123.661878

Amoco access/ PMP ROW intersection Existing Pigging site PMP north point for section removal on ROW PMP south point for section removal on ROW Kotaneelee River Crossing on ROW Existing PMP airstrip and staging area

452931 454438 447684 446731 447003 454615

6689922 6696047 6679351 6678819 6679209 6689256

60.343056 60.398217 60.24751 60.24261 60.246147 60.337184

-123.852728 -123.826822 -123.945028 -123.9621 -123.95729 -123.822061

Table 3. Proposed Additional (new) Temporary Workspaces Project Component Temporary Workspace

Fuel Tank Storage

10 U Easting

Northing

Latitude

Longitude

Length (m)

Width (m)

Area (ha)

Kotaneelee Workspace 1 (NE)

446935

6679219

60.246228

-123.958521

85

15

0.13

Kotaneelee Workspace 2 (SW)**

447086

6679263

60.246643

-123.955805

~56

15

0.08

Kotaneelee Workspace 3 (SW)**

446924

6679208

60.246128

-123.958717

~342

15

0.50

Kotaneelee Workspace 4 (SW)

447632

6680135

60.254542

-123.94617

30

20

0.06

Level, disturbed area at the Pointed Mtn. airstrip (SW)

454615

6689256

60.337184

-123.822061

40

40

0.16

Description*

* coordinates are listed for one cardinal directional corner of each temporary workspace ** workspaces 2 and 3 have trapezium-shaped components that angle around ROW bends at the crossing

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1.4

July 2015

Environmental Policy of Spectra Energy Transmission

SET is committed to conducting its operations in a responsible manner that ensures the protection of the environment, mitigation of environmental effects, and the safety of its employees, its contractors and the public. A copy of SET’s Environmental Manual for Construction Projects in Canada (EMCPC) is included in Appendix 5 of the EPP for this project. The NWT Guidelines for Developing a Waste Management Plan emphasizes the waste management hierarchy, to which this WMP will adhere (Figure 2). Most Preferred

Source Reduction Reuse Recycle/ Recovery Treatment

Least Preferred

Release to the Receiving Environment

Figure 2. Waste Management Hierarchy

1.5

Purpose, Goal and Scope of the Waste Management Plan

This WMP is a supplement to the Project Environmental Protection Plan (EPP), and its purpose is to outline how construction waste will be managed during the access maintenance operations, pipeline removal process, mitigation and reclamation procedures and the egress operations for this project. The goal is to minimize the environmental and social impacts of any wastes and to manage construction waste in compliance within the Territorial regulatory framework. The scope of the WMP comprises all planned works and operations in relation to this project, including: 

Site assessment activities;



Access road maintenance and improvements;

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

Ice bridge construction;



Construction of temporary workspaces;



Pipeline removal;



Pipeline maintenance procedures;



Reclamation; and



Work site and access egress procedures.

July 2015

The WMP considers different streams of waste. It describes approaches for the disposal of waste materials and actively promotes waste minimization strategies. Proposed Locations for Waste Management Activities

1.6

Because of the temporary duration and nature of the project, no designated waste facilities are required; however, there is potential for wastes to be generated at any of the project staging areas or work sites. Temporary waste storage will only occur at designated sites. Wastes expected to be temporarily stored include the deactivated and removed pipe sections, the concrete pipe weights from the removed pipe sections, woody debris, and/or salvaged and decked trees from ROW and workspace clearing. Wastes from all other operations and areas will be removed with the crews at the end of each day. Appointed waste storage areas will be determined as per ground and site conditions, and may be located at any of the following sites, the details of which are in the maps and descriptions in the Project EPP: 

Designated areas on the PMP ROW;



Level ground near the airstrip area; and,



Within the designated upland temporary workspace (e.g workspace #4).

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Identification of Project Waste Types

Table 4 identifies potential waste types generated, including sources and estimated volumes, as a result of planned project activities. Table 4. Waste Types and Sources Waste Type

Source

Estimated Volume*

Wood (hauled tree lengths)

Clearing

Dependent on size and quality of cleared trees

Woody debris

Clearing and grubbing

Cured concrete

Concrete pipe-weights from dismantled pipe sections

Small - with some or all being used for reclamation purposes Weight = 1.8 tonne each Volume = 1 m3 each Total Vol. = 46 - 126 m3 (dependant on planned vs. asbuilt construction found on-site)

Carbon Steel

Dismantled pipe sections

35 m3

Hazardous wastes

Heavy equipment, vehicles, pumps, hoses, fuel tanks Field crews

Incidental and will be removed from site 675 kg**

Logistics determined by interested First Nations, if desired

Domestic refuse

*all volume measures are estimations

**based on 0.5 kg/person/day over 90 days

2.1

Potential Environmental Effects

All waste will be handled in a manner to reduce the potential for adverse environmental effects. A Spill Contingency Plan and an EPP has been developed in accordance with the MVLWB guidelines and will be submitted to the MVLWB. The EPP outlines potential environmental effects of project activities. Implementation of these plans will aid in minimizing adverse environmental effects of project waste. There are no planned releases of waste to the environment during this project.

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3.0

Management of Waste

3.1

General Construction Waste Management Measures

July 2015

The following general practices will be followed during construction activities: General Construction Waste 

Collection and removal of all waste materials will follow Federal (e.g., Transportation of Dangerous Goods Act), and Territorial (e.g., Used Oil and Waste Fuel Management Regulation) waste management guidelines and legislation, including requirements regarding containment, handling, manifesting, and disposal.



Hazardous waste will be separated from non-hazardous waste, stored in original or appropriately labeled containers within secondary containment, and disposed of in a manner that complies with the Federal and Territorial Regulations, other jurisdictional authorities, and is consistent with the EMCPC (SET, 2014).



Hazardous waste will be transported out of the Northwest Territories to an approved hazardous waste facility in British Columbia.



Used oil, filters and grease cartridges and other products of equipment maintenance will be collected and disposed of at an approved waste site in British Columbia.



Hazardous materials will be stored and labeled in accordance with Work Site Hazardous Materials Information System (WHIMIS) requirements, and as set out in NWT’s Safety Act.



The Contractor will be responsible for the transport and disposal of decommissioned and removed sections of pipeline, pipe-weights and related construction waste.



All construction waste, including, but not limited to the sections of pipeline pipe-weights, will be transported to a SET facility in Fort Nelson, British Columbia.



Fuel, waste and hazardous materials shall be stored with secondary containment on level land at least 100 m from the ordinary high water mark of waterbodies.



Regular clean up and disposal programs will be implemented to prevent the unnecessary accumulation of construction wastes.



Reusable and recyclable materials will be segregated from other materials where applicable.

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Excavated Material 

All waste and surplus material will be disposed of in designated areas so as to not impact watercourses or groundwater.



All stockpile slopes will be no steeper than 1.5 H:1V.



Organic material will be stockpiled for site reclamation following construction.



If required, all erodible construction stockpiles waste will be covered with sheeting or suitable tarp materials immediately after creation.



All stockpile areas will be inspected by the on-site Project Environmental Inspector (EI) on a regular basis.

Sewage Disposal 

Sanitary facilities in the form of portable toilets shall be provided for the use of workers.



Portable toilets will be exchanged approximately every 10 days, and the exhausted toilets and their waste will be transported to Fort Nelson, British Columbia, where the waste will be directed to an approved sewage disposal facility.



Sanitary facilities will be secured and located at least 30 m from the known or estimated high water mark of any waterbody.



Sanitary wastes will not be discharged into watercourses or on the soil surface.



There will be no grey water produced in the project work areas. Wildlife Attractant Management

3.2

Construction waste can adversely affect the environment, attracting wildlife and diminishing visual quality of the landscape. Wildlife attractants can also increase the risk of wildlife mortality due to poisoning or negative wildlife-human interactions. Effective waste management will involve:    3.3

Daily removal of domestic waste from the Project area to appropriate receptacles; The maintenance of clean work areas; and Keeping food inside vehicles or other areas inaccessible to wildlife. Waste Containment

Waste storage and containment will be determined by the waste type, the volume, the storage time, stability of the waste, its attractant quality for wildlife, and transportation considerations. Waste Management Plan Prepared by Triton Environmental Consultants Ltd.

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Waste storage areas will be selected based upon the following factors: 

Suitable and safe access;



Location away from water bodies; and



Ability to provide secondary containment, if necessary.

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3.4

July 2015

Waste Transport

Wastes are to be transported in approved containers and using appropriate vehicles. Work-site contractors, sub-contractors and other personnel will ensure that waste is secured for transport. All hazardous waste containers will be labelled pursuant to the Federal TDGR regulations and WHMIS requirements Table 5 describes waste stream management and a disposal rationale for each. Table 5. Rationale for Waste Management Methods Waste Type

Disposal

Rationale

Wood (hauled tree lengths)

On and off site

Re-use if possible On advisement by ENR, and through consultation with local First Nations, cleared trees may be yarded and made available for community use

Woody debris

On-site

Re-use as mulch

Cured Concrete (pipe-weights)

Off-site

Spread over cleared areas as cover; root wads stored and replanted for reclamation Transported to the Spectra facility in Fort

Carbon Steel pipe

Off-site

Nelson, BC, and then to an appropriate waste facility in British Columbia Possibly recovery of steel Cut into lengths and transported to the Spectra facility in Fort Nelson, BC.

Hazardous Waste

Off-site

Hazardous wastes will be removed from site, in legal containers, to an approved off site waste management facility, in British Columbia, for disposal

Domestic Refuse

Off-site

Separated and recycled where practicable

Sewage toilets)

(Portable

Off-site

Domestic refuse will be transported out on a daily basis to an appropriate facility in BC. Sewage will be regularly transported offsite to British Columbia, and disposed of at a licensed facility.

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3.5

July 2015

Infrastructure

All waste, aside from woody debris, will be transported off-site. Sumps will not be required for project-related activities. No infrastructure will be required for the management of waste for this project. The WMP will be distributed to the Project Manager, on-site SET CI, the on-site Contractor supervisor and the on-site Project EI. The WMP content and strategy will be discussed at Project tailgate meetings, where opportunities for concerns may brought forth and addressed in a timely and appropriate manner.

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July 2015

References

[CAPP] Canadian Association of Petroleum Producers, 2009. Oilfield Waste Management in the Northwest Territories. Calgary, Alberta. [DES 2014] Diversified Environmental Services, 2014. Spectra Energy Transmission Pointed Mountain 508mm Pipeline Removal, Kotaneelee River: Fisheries Habitat Assessment. DES, Fort St. John, BC. [EC] Environment Canada, 2015. Archived climate data online, available at: http://climate.weather.gc.ca/climateData/monthlydata_e.html?timeframe=3& Prov=NT&StationID=1656&mlyRange=1963-01-01|2010-0101&cmdB1=Go&Year=1972&cmdB1=Go# [ENR] Energy and Natural Resources, 2003. Used Oil and Waste Fuel Management Regulations: Plain Language Guide. Government of Northwest Territories, Yellowknife, NWT. [GNWT] Government of Northwest Territories, 1998. Guidelines for the General Management of Hazardous Waste in the NWT, Yellowknife, NWT. Landeen, B.A. and W.C. Brandt. 1975. Impressions on the construction of the Pointed Mountain Gas Pipeline. Prepared by the Northern Operations Branch, Fisheries and Marine Service, Department of the Environment for the Environmental-Social Programme, Northern Pipelines, Task Force on Northern Oil Development. Lane, L.S., K.M Fallas, and W.F. Miles. 2001. Geology of the Fort Liard Region, Yukon and NWT: New Insights from the Central Foreland Natmap Project. Paper presented at the Canadian Society of Petroleum Geologists ‘Rock the Foundation Convention’, June 18-22, 2001. [MVLWB] Mackenzie Valley Land and Water Board, 2011. Guidelines for Developing a Waste Management Plan. MVLWB, Yellowknife, NWT. [SET] Spectra Energy Transmission, 2014. Environmental Manual for Construction Projects in Canada. Spectra Energy Transmission, Calgary, Alberta.

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