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  • Synopsis Report – Environmental Oil Spill Risk Assessment for the South Coast of Newfoundland EDITION 1 September 2007

    TP 14740E (revised 11/2007)

    TC-1002395

    *TC-1002395*

  • Director Operations and Environmental Programs Marine Safety

    Responsible Authority Approval The Director Operations and Environmental Programs is responsible for this document, including any change, correction, or update.

    Original Date Issued: September 5, 2007 Date Revised: November 6, 2007

    Prepared by: S.L. Ross Environmental Research Limited 717 Belfast Road Ottawa, ON K1G 0Z4 (613) 232-1564

    © Her Majesty the Queen in Right of Canada, as represented by the Minister of Transport, 2007.

    Permission is granted, by Transport Canada, to copy this TP 14740E as required. While use of this material has been authorized, Transport Canada shall not be responsible for the manner in which the information is presented, nor for any interpretations thereof. This TP 14740E may not be updated to reflect amendments made to the original content. For up-to-date information, contact Transport Canada.

    TP 14740E (09/2007)

    TC-1002395

  • i

    DOCUMENT INFORMATION Title Synopsis Report - Environmental Oil Spill Risk for the South Coast of Newfoundland

    TP No. 14740E Edition 1

    Catalogue No. T29-23/2007E ISBN/ISSN 978-0-662-46925-4

    Originator Program & Technical Training Services (AMSB)

    Telephone

    Tower C, Place de Ville Fax

    330 Sparks Street, 11th Floor E-mail MarineSafety@tc.gc.ca

    Ottawa, Ontario K1A 0N8 URL http://www.tc.gc.ca/MarineSafety

    REVISIONS Last Review

    Next Review

    Revision No.

    Date of Issue

    Affected Pages

    Author(s) Brief Description of Change

  • ii

    TABLE OF CONTENTS

    Executive Summary.......................................................................................................................1

    1.0 Introduction...........................................................................................................................2

    2.0 Stakeholder Consultation.....................................................................................................3

    3.0 Area of Interest .....................................................................................................................4

    4.0 Marine Traffic in the AOI....................................................................................................8

    5.0 Oil Spill Frequency .............................................................................................................12

    6.0 Representative Oil Spill Scenarios ....................................................................................21

    7.0 Environmental Impact Assessment ...................................................................................22

    8.0 Economic Impact Assessment............................................................................................24

    9.0 Risk Results and Conclusion..............................................................................................31

    10.0 Area Specific Factors and Future Trends ........................................................................34

    11.0 Conclusions..........................................................................................................................37

  • iii

    List of Figures Figure 1: Area of interest (AOI) for study...............................................................................4 Figure 2: General indication of traffic density from DND data ..............................................9 Figure 3: Placentia Bay tanker routes....................................................................................11 Figure 4: Hazard zones identified for the spill frequency analysis .......................................12

    List of Tables Table 1: Summary of key hazards in study area ....................................................................6 Table 2: Vessel Transits for Port aux Basques (April 2004 to March 2005).........................9 Table 3: Vessel Movements, Placentia Bay and St. John’s VTS Zones

    (April 04 to March 05)...........................................................................................10 Table 4: Transits and cargo volumes for locations in Placentia Bay ...................................10 Table 5: Volume transported through the AOI, Mbbls/yr....................................................11 Table 6: Hazard zones identified for spill frequency analysis .............................................13 Table 7: Fuel oil spill frequencies by vessel type and size (1985 to 2005) .........................14 Table 8: Predicted spill frequencies by size and hazard zone..............................................14 Table 9: Historical tanker spill rates for crude and refined product ....................................15 Table 10: Predicted annual spill frequencies for Placentia Bay.............................................15 Table 11: Predicted spill frequencies for Placentia Bay (years between spill events)...........16 Table 12: Cumulative spill frequency for Hazard Zone 1......................................................16 Table 13: Cumulative spill frequency for Hazard Zone 2......................................................17 Table 14: Cumulative spill frequency for Hazard Zone 3......................................................17 Table 15: Cumulative spill frequency for Hazard Zone 4......................................................17 Table 16: Cumulative spill frequency for Hazard Zone 5......................................................18 Table 17: Cumulative spill frequency for Hazard Zone 1 (years per spill event).................18 Table 18: Cumulative spill frequency for Hazard Zone 2 (years per spill event).................18 Table 19: Cumulative spill frequency for Hazard Zone 3 (years per spill event).................19 Table 20: Cumulative spill frequency for Hazard Zone 4 (years per spill event).................19 Table 21: Cumulative spill frequency for Hazard Zone 5 (years per spill event).................19 Table 22: Summary of estimated mortality rates for key bird species...................................23 Table 23: Economic effect on fisheries and fish processing in Hazard Zone 1,

    medium persistence oil ..........................................................................................24 Table 24: Economic effect on fisheries and fish processing in Hazard Zone 1,

    high-persistence oil ................................................................................................25 Table 25: Representative economic effect on fisheries,

    medium-persistence oil scenarios ..........................................................................25 Table 26: Representative economic effect on fisheries,

    high-persistence oil scenarios ................................................................................26 Table 27: Representative economic effect on aquaculture,

    medium-persistence oil scenarios ..........................................................................26 Table 28: Representative economic effect on aquaculture,

    high-persistence oil scenarios ................................................................................27 Table 29: Representative economic effect on tourism,

    medium-persistence oil scenarios ..........................................................................27 Table 30: Representative economic effect on tourism,

    high-persistence oil scenarios ................................................................................28

  • iv

    Table 31: Cleanup costs for representative spill scenarios, medium-persistence oil ..........................................................................................28

    Table 32: Cleanup costs for representative spill scenarios, high-persistence oil ................................................................................................29

    Table 33: Total economic impact for representative spill scenarios, medium-persistence oil ..........................................................................................29

    Table 34: Total economic impact for representative spill scenarios, high-persistence oil ................................................................................................29

    Table 35: Total statistical loss for representative spill scenarios, vessel fuel spills .....................................................................................................31

    Table 36: Total statistical loss for representative spill scenarios, tanker cargo spills ..................................................................................................31

    Table 37: Summary of environmental risk, vessel fuel oil spills................................................................................................32

    Table 38: Summary of environmental risk, tanker cargo oil spills .............................................................................................33

    Table 39: Summary of 10-year change to economic risk, tanker cargo spills ..................................................................................................36

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