June 3-4, 2015 Tununuk Point (BAR-C) Remediation, NT RPIC 2015
Agenda Background and History Guidelines and Execution Challenges and Lessons Learned Acknowledgements 2
Background and History
4 Location
Background BAR-C / Tununuk Point, NT Located in the Inuvialuit Settlement Region Located approximately 81 km north/northwest of Inuvik (2 hr boat ride) Low plateau on the south tip of Richards Island Access by air, ice road and boat/barge Richards Island, 69 N Uninhabited Used for subsistence 5
History 1957 - BAR-C DEW Line site constructed Ø Warehouse, garage, air strip, fuel storage, module train 1963 - Operations cease 1972-1984 - Imperial exploration base Ø Year round on-shore/off-shore support 1980s - demobilization of infrastructure 1980s 2000s - Left vacant 2001 2010 - Site Assessments 2012 - Demolition of infrastructure 2013 - Dock assessment and gap analysis 6
History 7
History 8
Pre-Execution Activities Site Assessments RAP development Remediation agreement Demolition Risk Assessment Execution 2001-2010 2011 July 2012 Aug 2012 Mar 2013 2008-2013 2013 Sept 2013 Sept 2013 Oct 2013 2014-2015 2014-2015 Community Consultation Job Specification Regulatory Deliverables Traditional Knowledge Study Regulatory involvement Community Consultation 9
2012 Demolition (Tervita) Marine fuel loading dock 4 tanks 6 buildings ~6 kms of pipeline Road construction Brushing Debris clean-up Abatement 10
Guidelines and Execution
Scope of Work Work is focused in the following ten (10) areas, with a summary below; Location Description Area A DEW Line Station Area B DE W Line S tation North of Area A Area C IOL Explosives S torage Area D IOL Tank Farm Area E IOL Landfill Area F Airstrip and Former IOL Camp Area G Ravine Landfill Area H Western Shoreline and Barge Dock Area I Inuit House Area J POL Lines and Loading Dock 12
Guidelines Criteria: Abandoned Military Site Remediation Protocol (AMSRP) Risk-Based Closure - Federal government involvement Ø DEW Line Criteria Objectives Ø Restore sites to meet northern environmental objectives; Ø Prevent migration of contaminants into the Arctic ecosystem; Ø Remove physical hazards for the protection of human health; and Ø Implement cost effective remediation solution. Criteria developed consistent with CCME Tier 3 Assessment Protocol (RAP, contaminated soil, debris, TK, etc.) Remediation Protocol (soil treatment/disposal, landfills, borrow sources, etc.) Construction requirements and post-construction monitoring 13
Guidelines - Landfill Classification 14
Scope of Work Criteria: Abandoned Military Site Remediation Protocol (AMSRP) Removal of remaining on-site infrastructure Engineered capping of two historical landfills and three waste disposal areas Full excavation of a third historical landfill Ravine clean-up activities On-site treatment of Type B impacted soil ~ 7700 m 3 Off-site disposal of non-treatable material ~ 3000 m 3 Restoration of excavation areas Long term verification monitoring Ø Monitoring Wells and Thermistors 15
Key Dates December 2013 RAP Approved by ILA July 7/8, 2014 Project kickoff Meeting in Inuvik July 13, 2014 Mobilization to Site October 14, 2014 Site Demobilization completed 16
Facilities and Equipment John Wurmlinger Barge Camp Ø 40 person capacity (+20 on deck) Ø Full maintenance shop area 802 Camp Barge Ø 60 person capacity 6 Excavators 5 Articulated Dump Trucks 3 Bulldozers 2 Wheel Loaders 2 Compactors Support (Fuel, Water, Vac, Mechanic) Averaged 60 staff on site and peaked at 92 with night shift activities 17
Northern Workforce Use of the Inuvialuit Businesses ~85% of the total spend went to Inuvialuit-owned businesses On-the-job safety training for 135 workers ~60,000 hours worked Injury-free Northern Suppliers: MDIOS (Allens/E.Grubens/Northwinds) Canadian North/First Air ILA Environmental Monitors and Gravel Chekers Inukshuk Geomatics Mackenzie Delta Hotel Group Acklands Grainger, Inuvik Northern Industrial Sales, Inuvik Inuvik Capital Suite Hotel NorthMart, Inuvik 18
2014 Execution Mobilization 19
2014 Execution Removal of On-Site Infrastructure 20
2014 Execution Engineered Capping of Historical Landfills 21
2014 Execution Remedial Excavation of Landfill 22
2014 Execution Remedial Excavation of Contaminated Soils 23
2014 Execution Ravine Clean-Up 24
2014 Execution On-Site Bio-Treatment 25
2014 Execution Off-Site Disposal 26
2015 Remaining Work Completion of engineered caps Excavation of remaining impacted soil Shipment and off-site disposal of debris Decommissioning of existing treatment cells Completion of Restoration of excavation areas Installation of remaining monitoring wells Completion of first round of monitoring Ravine clean-up Temporary rehabilitation and abandonment of dock 27
Challenges and Lessons Learned
Challenges and Lessons Learned Execution Time Window Ø July October Ø Barging Capabilities Personnel Turn-around and Mobilization Ø Night Shift Ø Training Equipment Management & Maintenance Ø Inspections and Preventative Maintenance Ø On-Site Repair Shop Emergency Response Capabilities Ø Pre-planning and Emergency Exercise Ø On-site Medic 29
Challenges and Lessons Learned Guideline Knowledge Ø Fit for Purpose Short Service Workers Ø Proven Program Laboratory Requirements Ø On-site Mobile Laboratory Ø Sample Shipment Requirements Wildlife Monitoring Ø Proper Qualification Environmental Factors Ø Water Levels Ø Forest Fires in NWT 30
Dock Partial Collapse Emergency Repairs Reinforcements - Winter 2015 Removal Permitting Dock Removal (Summer 2015) 31
Success in the North Regulatory Engagement Pre-project Planning Comprehensive Job Specification Site visit prior to mobilization Community Involvement Ø Consultations Ø Utilization of local contractors On-site Leadership Interface Management Management of Change Know your guidelines! 32
Collaborative Effort Aboriginal Affairs and Northern Development Canada (AANDC) partnership Ø Technical contributions Ø Financial responsibility Community consultations Ø Inuvik and Tuktoyaktuk Regulatory involvement Ø Inuvialuit Land Administration (ILA) Ø Inuvialuit Water Board (IWB) Ø Government of the Northwest Territories (GNWT) Ø Environmental Impact Screening Committee (EISC) 33
Acknowledgements Aboriginal Affairs and Northern Development Canada (AANDC) AECOM Golder Associates Ltd. Government of the Northwest Territories (GNWT) Hazco (Tervita) HTC, ICC and TCC IEG Consultants Inuvialuit Land Administration (ILA) Imperial: John Bertrand, Bruce Parent Inuvialuit Water Board (IWB) Komex (WorleyParsons) MDIOS 34