Encina Power Station Demolition Engineering Construction February 5

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

Project Timing The demolition will take place in two distinct phases: v Decommissioning Phase III (Drain & Dry) Q 1 2019 – Q 3 2019 v. Remove oils & hazardous materials / chemicals and air gap power and fuel v. Conduct full abatement survey for hazardous materials v Demolition Phase IV (All above ground structures) Q 1 2020 – Q 4 2021 v. Abatement of asbestos , lead paint, etc v. Utilize available demoed concrete for backfill v. Railcars used to remove recyclable materials v. Turnkey Contractor to perform work

Aerial View

Encina Demolition Scope v. Demo Permit Under Jurisdiction of CA Energy Commission v Notifications – FAA, Abatement SDAPCD v Water Supply v Ministerial Permits - wastewater, storm water, etc. v. Demo stack – No implosion v 3 rd party Communications (e. g. , satellite dishes) Removed by 2020 Q 1 v Retain Concrete Onsite for Future Fill v. Demo Buildings to Grade – after Poseidon Phase I Completion v Abatement of Hazmat (asbestos, lead paint, etc. ) v Fill once-through-cooling (OTC) channels & basement v Remove aboveground structures v Use rail spur for material haul out if economically feasible and approved

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

CEC License Conditions v AQ-SC 1 Air Quality Demolition Mitigation Manager (Designate) v AQ-SC 2 Air Quality Demolition Mitigation Plan v AQ-SC 3 Fugitive Dust Control v AQ-SC 4 Dust v AQ-SC 5 Diesel Fueled Engine Controls v AQ-SC 12 AQDMM Monthly Compliance Report (MCR) v AQ-SC 13 No Implosion Allowed v GEN-1 CBO approval of work (CBO to Issue Demolition Permit) v HAZ-7 Security Plan v NOISE-1 Notice for Hotline Availability v NOISE-2 Public Notice of Start of Demolition v NOISE-3 Noise Control Program v NOISE-6 Noise Restriction v SOIL&WATER-2 Non-Potable Demolition Water Use Plan

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