HomeMy WebLinkAboutItem 7 PPP 04-04-18 Operations Committee - ROCCS Program r`
Regional Odor and Corrosion Control
MarcoPolo Velasco
e Principal Analyst
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= April 4, 2018
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Bioscrubber
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Buena Park
Control
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Program
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Seal Beach PS •(Pilot)
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(Backup)
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Reduce Odors rMendoiaPS •MlcuhDelsonWWTP
Minimize Corrosion BayBiidgePS
Continuously Dosed Sewers
Baker-Main(Airbase)
Knott Interceptor
—Miller-Holder ® Crystal Cove PS
Newport
—SARI(Bio-Scrubber)
Dosing Site Chemical:
Ferrous Chloride
e Calcium Nitrate N
Magnesium Hydroxide
Caustic Slug Dosing Sites(27 total) '
— OCSD Sewers
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Collection System Odor Control
Program
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Odor Complaints J ; •
Before 75-100 / year UNTINGTO PE-
After < 12 / year
Odor Complaints by Year N
2017
• 2016
• 2015
• 2014
0 2.5 5
2013 Miles
• 2012
OCSD Sewers
Reduced
R< V
T - Exposed
Concrete Detail
Reduced
Corrosion
Rehabilitation
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Liner Termination, r_-
Detail
Recommendations
• Award a $4,506,415 contract to Hill Brothers
Chemical Company for Magnesium Hydroxide and
Ferrous Chloride Chemicals and Application Services:
• Award a $498,794 contract to USP Technologies for
Calcium Nitrate Chemical and Application Services: