HomeMy WebLinkAbout06. (Handout) Presentation on Energy Optimization Project, DP 7320Item 6.
(Committee Handout)
ENERGY OPTIMIZATION PROJECT
DISTRICT PROJECT 7320
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Engineering and Operations
Committee Meeting
October 21, 2016
Clint Shima, P.E.
Senior Engineer
RECENT OPERATION HISTORY
• Notice of Violations from BAAQMD in April 2016 for Co
■ Co not continuously monitored (only two year -cycle)
■ Staff reduced power output to stay within compliance
• Air emissions test in May and engine tuning by Solar
Turbine
■ Warranty letter in August to Solar Turbine
• -Two additional testing and tunings to verify engine
emission parameters by Solar Turbine
■ Concluded: Engine within specifications
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PROJECT BACKGROUND
• Project initiated for potential treatment plant
improvements that increase energy efficiency and
decrease emissions
• Researched past and new alternatives
• Carollo Engineers (Sarwan Wason —original designer)
reviewed alternatives (with business case evaluations)
• Two improvements identified with quick pay backs:
• Improvement 1: CO Emission Reduction
• Improvement 2: Energy Optimization
• Total estimated project cost $600,000
IMPROVEMENT 1:
CO EMISSION REDUCTION CO CATALYST
• Allow operation at higher loads
• Allows operations more flexibility
• Reduce emissions, 50-75%, reduction of CO
• Payback period is approximately three years
• Installed in ducting
10/25/2016
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CO CATALYST LOCATION
IMPROVEMENT 2:
ENERGY OPTIMIZATION EVAPORATIVE COOLER
• Carollo Engineers Technical Memorandum
• Allows more power generation in summer
when peak costs are high
• Installed in air inlet room
• Payback period calculated at three years
10/25/2016
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EVAPORATIVE COOLER AT INLET
STAFF RECOMMENDATIONS
• Authorize General Manager to transfer up to
$550,000 this fiscal year for Energy
Optimization Project (District Project 7320)
• Staff will proceed with design and bid project
• Design contract with Carollo Engineers
10/25/2016
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