Swift Creek Pipeline Remediation

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Swift Creek Pipeline Remediation Project number: 4325 Revision: 4 December 21, 2010 SWIFT CREEK PIPELINE REMEDIATION SCREENING LEVEL ENVIRONMENTAL ASSESSMENT Prepared for: Kinder Morgan Canada Inc. 300 5th Avenue SW Suite 2700 Calgary, AB T2P 5J2 Prepared by: 1326 McGill Rd. Kamloops, BC V2C 6N6 Swift Creek Pipeline Remediation December 2010 Disclaimer This report is rendered solely for the use of Kinder Morgan Canada Inc.in connection with the Swift Creek Pipeline Remediation Project, and no person may rely on it for any other purpose without Triton Environmental Consultants Ltd.’s 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 provide a screening level environmental assessment based on baseline information regarding aquatic habitat, channel morphology, terrestrial wildlife, vegetation, and archaeological resources. The screening level environmental assessment will be used as the basis for regulatory agency approvals of the proposed Project on behalf of Kinder Morgan Canada Inc. This report is based on facts and opinions contained within the referenced documents and Project background information. 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. We applied accepted professional practices and standards in developing and interpreting data obtained by our field measurement, sampling and observation. While we used accepted professional practices in interpreting data provided by Kinder Morgan Canada Inc or third party sources we did not verify the accuracy of data provided by Kinder Morgan Canada Inc. or third party sources. 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. Prepared by Triton Environmental Consultants Ltd. Page i Swift Creek Pipeline Remediation December 2010 TABLE OF CONTENTS Disclaimer ....................................................................................................................................... i 1.0 Introduction ....................................................................................................................... 1 2.0 Project Information .......................................................................................................... 2 2.1 Project Stakeholders and Contacts .................................................................................. 2 2.2 Purpose of Project ........................................................................................................... 2 2.3 Location .......................................................................................................................... 2 2.4 Project Description .......................................................................................................... 3 2.4.1 Site Access .................................................................................................................. 3 2.4.2 Site Isolation ............................................................................................................... 3 2.4.3 Pipeline Natural Hazard Remediation ........................................................................ 3 2.4.4 Habitat Mitigation ....................................................................................................... 4 2.4.5 Reclamation ................................................................................................................ 4 2.5 Alternatives to Project ..................................................................................................... 4 2.5.1 Suppressed Rock Layer (selected option) ................................................................... 4 2.5.2 Cable Tied Concrete Mats .......................................................................................... 5 2.5.3 Cable Tied Rock Drops ............................................................................................... 5 2.5.4 Aerial Crossing ........................................................................................................... 5 2.5.5 Pipeline Lowering ....................................................................................................... 5 2.5.6 Crossing Replacement ................................................................................................ 6 2.5.7 Horizontal Directional Drill ........................................................................................ 6 2.6 Project Timing ................................................................................................................ 6 3.0 Scope of Project ................................................................................................................. 7 3.1 Project Components ........................................................................................................ 7 3.2 Scope of Assessment....................................................................................................... 7 3.3 Spatial and Temporal Boundaries ................................................................................... 8 4.0 Environmental Setting .................................................................................................... 10 4.1 Aquatic Environment .................................................................................................... 10 4.1.1 Fish and Fish Habitat ................................................................................................ 10 4.1.2 Channel Morphology ................................................................................................ 13 4.1.3 Channel Morphology Changes ................................................................................. 14 4.2 Terrestrial Environment ................................................................................................ 15 4.2.1 Plant Species at Risk ................................................................................................. 16 4.2.2 Ecological Communities at Risk ............................................................................... 19 4.2.3 Vegetation and Ecological Communities .................................................................. 20 4.2.4 Wildlife Species at Risk ............................................................................................ 25 4.2.5 Wildlife and Wildlife Habitat ................................................................................... 26 4.3 Archaeological Resources ............................................................................................. 27 5.0 Habitat Mitigation .......................................................................................................... 28 6.0 Potential Environmental Effects Assessment ............................................................... 29 6.1 Vegetation ..................................................................................................................... 29 6.2 Wildlife/Wildlife Habitat .............................................................................................. 29 6.3 Fish and Fish Habitat .................................................................................................... 29 7.0 Cumulative Effects .......................................................................................................... 37 Prepared by Triton Environmental Consultants Ltd. Page ii Swift Creek Pipeline Remediation December 2010 8.0 Environmental Protection Plan ..................................................................................... 38 8.1 Mitigation Plans ............................................................................................................ 38 8.1.1 Vegetation Removal .................................................................................................. 38 8.1.2 Fish Salvage .............................................................................................................. 39 8.1.3 Site Isolation ............................................................................................................. 40 8.1.4 Work in and Around Water....................................................................................... 41 8.1.5 Idle Reduction ........................................................................................................... 43 8.1.6 Waste Disposal.......................................................................................................... 44 8.1.7 Fuel and Hazardous Material Storage and Handling ................................................ 44 8.1.8 Spill Response ........................................................................................................... 44 8.1.9 Environmental Monitoring........................................................................................ 48 9.0 Conclusions ...................................................................................................................... 49 10.0 References ........................................................................................................................ 50 LIST OF TABLES Table 1 Project
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