Engineering and Operations Committee Item 6a December 10, 2018
Demonstration project Status of construction Near-term regulatory testing Potential future testing for process optimization & development of design criteria Full-scale program planning E&O Committee Item 6a Slide 2 December 10, 2018
Chemical Feed Systems Reverse Osmosis UV Light/Advanced Oxidation Process MBR Membrane Modules MBR Aerobic and Anoxic Tanks E&O Committee Item 6a Slide 3 June 11, 2018
Contract amount: $13,856,000 Capital budget: $17M 2-yr O&M budget: $9.8M Construction contract approximately 85% complete Construction complete: December 2018 Start-up and commissioning: Jan/Feb 2019 E&O Committee Item 6a Slide 4 December 10, 2018
RO & UV/AOP Equipment MBR Aeration & Anoxic Basins Chemical Storage & Unloading Electrical Building E&O Committee Item 6a Slide 5 December 10, 2018
Chemical Storage & Unloading RO & UV/AOP Equipment MBR Systems Operations Trailer Outreach Trailer Pad Substation E&O Committee Item 6a Slide 6 December 10, 2018
Membrane Modules Anoxic Basin Aeration Basin Drum Screen Membrane Scour Blower Aeration Blowers E&O Committee Item 6a Slide 7 December 10, 2018
MBR-1 (GE/Suez) MBR-2 (Evoqua) E&O Committee Item 6a Slide 8 December 10, 2018
Chemical Feed Skids RO Skid Motor Control Center E&O Committee Item 6a Slide 9 December 10, 2018
Air Diffuser Bubble Testing E&O Committee Item 6a Slide 10 December 10, 2018
Provide data for regulatory acceptance Confirm viability of membrane bioreactor (MBR) process Optimize full-scale treatment process design Establish cost clarity for treatment Confirm operational dependencies/ interfaces with LACSD Provide vehicle for public outreach and acceptance INITIAL TESTING PERIOD FUTURE TESTING PERIOD ONGOING E&O Committee Item 6a Slide 11 December 10, 2018
MBR Regulatory Acceptance Primary focus Demonstrate pathogen removal Achieve regulatory acceptance of MBR Water quality from all unit processes will be monitored to ensure treatment goals are met LACSD will characterize JWPCP source water & brine/waste streams from the AWT process E&O Committee Item 6a Slide 12 December 10, 2018
Draft plan submitted in early October Plan incorporated input from Independent Scientific Advisory Panel Regulatory approval of final plan anticipated in early 2019 January 2019 meeting scheduled to review final plan Testing to begin in March 2019 for 15-month duration E&O Committee Item 6a Slide 13 December 10, 2018
Process Optimization/Design Criteria Development Follows initial MBR regulatory testing Future Board funding request Similar to use of ODP for Oxidation Retrofit Program Key areas of investigation Nitrogen management Source control Product water stabilization Brine and residuals management E&O Committee Item 6a Slide 14 December 10, 2018
Construction/Commissioning Facility Opening Event MBR Regulatory Testing Process Optimization & Design Criteria Development Construction (funded) Completion Initial Operations and Regulatory Acceptance (funded) Process Optimization and Design Criteria (future funding required) E&O Committee Item 6a Slide 15 December 10, 2018
Feasibility Report (completed Nov. 2016) Determined that 150 MGD program could be implemented Did not answer questions: how or should program be implemented Conceptual Report (scheduled Feb. 2019) Examines and refines approaches as to how program could be implemented Update to Board in March 2019 E&O Committee Item 6a Slide 16 December 10, 2018
Refines approach to overall program configuration Examines potential options for phasing program Presents cost estimate in 2018 dollars, and cost comparison between alternatives Provides early assessment of potential future opportunities for DPR E&O Committee Item 6a Slide 17 December 10, 2018
Conceptual Planning Studies Report Assessment of IRP, Rates, and Terms Board Workshops on RRWP Studies Assessment Board Workshops Completion Board Action Board Update E&O Committee Item 6a Slide 18 December 10, 2018
Outreach trailer for visitors Exhibits & displays Facility opening event on March 21, 2019 Tours for public & stakeholders E&O Committee Item 6a Slide 19 December 10, 2018