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Encina Power Station Demolition

Engineering & Construction February 5, 2019. Encina Power Station Demolition. Amended CECP 07-AFC-6C. Confidential. Project Timing. The demolition will take place in two distinct phases: Decommissioning Phase III (Drain & Dry) Q1 2019 – Q3 2019

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Encina Power Station Demolition

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  1. Engineering & Construction February 5, 2019 Encina Power Station Demolition Amended CECP 07-AFC-6C Confidential

  2. Project Timing The demolition will take place in two distinct phases: • Decommissioning Phase III (Drain & Dry) Q1 2019 – Q3 2019 • Remove oils & hazardous materials / chemicals and air gap power and fuel • Conduct full abatement survey for hazardous materials • Demolition Phase IV (All above ground structures) Q1 2020 – Q4 2021 • Abatement of asbestos , lead paint, etc • Utilize available demoed concrete for backfill • Railcars used to remove recyclable materials • Turnkey Contractor to perform work

  3. Aerial View

  4. Encina Demolition Scope • Demo Permit Under Jurisdiction of CA Energy Commission • Notifications – FAA, Abatement SDAPCD • Water Supply • Ministerial Permits - wastewater, storm water, etc. • Demo stack – No implosion • 3rd party Communications (e.g., satellite dishes) Removed by 2020 Q1 • Retain Concrete Onsite for Future Fill • Demo Buildings to Grade – after Poseidon Phase I Completion • Abatement of Hazmat (asbestos, lead paint, etc.) • Fill once-through-cooling (OTC) channels & basement • Remove aboveground structures • Use rail spur for material haul out if economically feasible and approved

  5. Encina Demolition Scope (cont) • Hazardous Material assessment – Specifically for Asbestos • Abatement of Asbestos • Permit with San Diego Air Pollution Control District for Structural Demolition • Cal/OSHA Abatement Notification • Cal/OSHA Demolition Notification • CBO Issued Demolition Permit • Tank Re-Certification for demolition • Storm Water Management – Construction Storm Water Discharge (demolition) • Waste Management

  6. CEC License Conditions • AQ-SC1 Air Quality Demolition Mitigation Manager (Designate) • AQ-SC2 Air Quality Demolition Mitigation Plan • AQ-SC3 Fugitive Dust Control • AQ-SC4 Dust • AQ-SC5 Diesel Fueled Engine Controls • AQ-SC12 AQDMM Monthly Compliance Report (MCR) • AQ-SC13 No Implosion Allowed • GEN-1 CBO approval of work (CBO to Issue Demolition Permit) • HAZ-7 Security Plan • NOISE-1 Notice for Hotline Availability • NOISE-2 Public Notice of Start of Demolition • NOISE-3 Noise Control Program • NOISE-6 Noise Restriction • SOIL&WATER-2 Non-Potable Demolition Water Use Plan

  7. CEC License Conditions (cont) • SOIL&WATER-4 Demolition Wastewater Permit • SOIL&WATER-6 Temporary Water Meter Installation • SOIL&WATER-9 NPDES Permit Correspondence Reporting • TRANS-1 Traffic Control Plan • TRANS-5 Post-Construction Road Inspection • TRANS-7 Parking and Staging Plan • WASTE-5 Demolition Waste Management Plan • WASTE-6 Demolition Notification SDAPCD Form • VIS-3 Screen Demolition Site As Needed • WORKER SAFETY-1 Demolition Health and Safety Plan • WORKER SAFETY-3 Demolition Safety Supervisor • WORKER SAFETY-4 CBO Safety Supervisor • WORKER SAFETY-5 AED Device Training and Availability

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