Online Wastewater Education Network

Los Angeles Basin Section (LABS)

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  • Pandemic Shortages: Managing Iron Market Volatility - On Demand
    Contains 4 Component(s), Includes Credits Recorded On: 04/28/2022

    Recent events have shown how iron market volatility can impact wastewater treatment operations. This webinar will discuss the background issues and present solutions.

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    Member fee: $38.00
    Non-Member fee: $53.00 

    1.2 contact hours towards CWEA's: ECI. MT, EIT

    Iron is often used at several locations with the wastewater treatment process, including for gas cleaning at digesters.  In late 2021 there were several supply chain issues within the iron market for wastewater treatment, and treatment plant operations and managers were left scrambling for alternatives.  To prepare for the next time, this webinar on Managing Iron Market Volatility will discuss the issue and provide potential solutions, including potential cost impacts to treatment systems.  We will have speakers from the iron supply market along with wastewater agency manages who have successfully sailed through this issue.  At the end of the webinar there will be time for questions and discussions of the potential solutions.

    You will learn about:

    • Understand how iron is used in the wastewater process.
    • Understand potential options and alternatives for optimizing the use of iron salts in wastewater treatment. 
    • Understand the iron supply market and how supply chain issues can impact this market.

    Photo by Adobe stock.

    Gregg Cummings (Moderator)

    Senior Associate

    Hazen and Sawyer

    Rolando Gutierrez

    Superintendent - SAWS

    San Antonio Water System

    Roland Gutierrez started his Public Service Career over thirty-five years ago with the City of San Antonio Department of Wastewater Management. Roland has held positions within the Engineering, Production, and Treatment Departments of SAWS. He has assisted and participated with writing and producing several education presentations and programs for SAWS throughout his career. Currently, Roland is a Superintendent in the Recycled Water and Odor Control Group of the Production & Treatment Department.

    Monte Hamamoto

    Silicon Valley Clean Water

    Chief Operating Officer.

    Monte Hamamoto has been the chief operating officer at SVCW since 2012. He has more than 35 years of experience in water and wastewater operations, over half of which was as a private sector manager with Veolia Water. Monte has managed several treatment plant operations and facilities throughout California. Prior to SVCW, he was the manager of the Atwater Wastewater Treatment Facility for Veolia. He has direct experience managing wastewater treatment, potable water treatment, removal and disposal of groundwater contaminants, odor control, and capital equipment. Monte has also managed capital projects, budget development, employee relations, human resources, labor negotiations, plant performance, process control, maintenance, laboratory safety, regulatory permit renewal and CIP, and client relations. He has a B.S. in Marine Biology from Humboldt State University and an A.S. in Water-Wastewater Technology from Solano College. He continues to serve the industry by teaching college-level water and wastewater courses for Gavilan College. Monte maintains his California Grade 5 wastewater operator certification and his Grade T-3 certification in potable water operations.

    Brett Offerman

    Sr. Account Manager I&W / Sales, North America

    Kemira Water Solutions

    John Walton

    Vice President Technology

    USP Technologies

    Registrants who view the live webinar to see the slides and hear the audio and then enter the correct attention check code (directions below) will receive 1.2 contact hours towards CWEA's certifications.

    To receive your contact hours for viewing the live webinar or recording, please note the one (1) attention check code that will be displayed during the webinar in the top left or right corner of the presentation for approximately 90 seconds.  Please enter this code in the Attention Check Code component under the "Contents" tab.  

    Please note, all user activity of CWEA certification holders on the Online Wastewater Education Network is subject to the CWEA Code of Ethics standards for professional conduct and ethics. Certification holders should receive credit for a training only once within the same contact hour period. Any attempt to undermine the certification process may be subject to ethics procedures and possible sanctions. It is not possible to receive contact hours for both attending the live webinar and viewing the recording.  

    Once you have entered the correct attendance check code, you will be able to create and download an electronic "Certificate of Completion" under the "Contents" tab.

  • Rehabbing Aging Concrete Wastewater Infrastructure - On Demand
    Contains 4 Component(s), Includes Credits Recorded On: 12/09/2021

    The Los Angeles Basin Section of CWEA Virtual Presentation

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    Member fee: $25.00
    Non-Member fee: $35.00 

    1.2 contact hours towards CWEA's CSM. 

    The Los Angeles County Sanitation Districts operate and maintain 11 treatment plants to process about 400 million gallons of wastewater each day. Many of these plants have been in operation since the 1970s, and the primary treatment structures that are subject to hydrogen sulfide corrosion are in need of rehabilitation. This presentation will showcase the rehab projects developed for the Los Coyotes and Long Beach Water Reclamation Plants. You will learn about:

    • The Districts’ engineering design process
    • Strategies to divert and reroute the influent flow
    • Approaches to managing risks through construction sequence planning
    • Concrete repair and surface preparation
    • The Districts’ experience with protective lining and coating systems
    • Tips on what to watch out for during design and construction

    Photo by Adobe stock.

    Linda Miller, P.E.

    Senior Civil Engineer

    Los Angeles County Sanitation Districts (LACSD)

    Linda received a Bachelor’s and a Maser’s degree in Civil and Environmental Engineering from the University of California Los Angeles. She started her career with the LA County Department of Public Works, developing solutions to improve the County’s solid waste management programs and stormwater monitoring and capture systems. In the last 3 years, she has been providing project management and engineering design services for LACSD’s capital improvement projects.

    Registrants who view the live webinar to see the slides and hear the audio and then enter the correct attention check code (directions below) will receive 1.2 contact hours towards CWEA's certifications.

    To receive your contact hours for viewing the live webinar or recording, please note the one (1) attention check code that will be displayed during the webinar in the top left or right corner of the presentation for approximately 90 seconds.  Please enter this code in the Attention Check Code component under the "Contents" tab.  

    Please note, all user activity of CWEA certification holders on the Online Wastewater Education Network is subject to the CWEA Code of Ethics standards for professional conduct and ethics. Certification holders should receive credit for a training only once within the same contact hour period. Any attempt to undermine the certification process may be subject to ethics procedures and possible sanctions. It is not possible to receive contact hours for both attending the live webinar and viewing the recording.  

    Once you have entered the correct attendance check code, you will be able to create and download an electronic "Certificate of Completion" under the "Contents" tab.

  • Construction of LACSD’s New Effluent Tunnel: Bigger, Better, and Safer - On Demand
    Contains 4 Component(s), Includes Credits Recorded On: 10/28/2021

    LABS of CWEA and Engineering & Research Committee Series Webinar

    Member fee: $25.00
    Non-Member fee: $35.00 

    1.2 contact hours towards CWEA's: ECI, MT, EIT

    Please join CWEA LABS for a presentation by Russ Vakharia, Supervising Engineer at the LA County Sanitation Districts, on the construction of a new 7-mile long effluent tunnel—the longest single drive pressurized face tunnel ever constructed in California!  He will discuss construction challenges facing the tunnel, which has over 30 curves, will go through a variety of heterogenous ground conditions, is located under the water table, and will experience significant areas of squeezing ground.

    The Sanitation Districts operates the Joint Water Pollution Control Plant, which treats wastewater from over 5 million people in the Los Angeles basin. The JWPCP currently relies on two tunnels—over 60 and 80 years old—to convey treated wastewater from Carson, CA to the ocean. The new tunnel is being constructed to ensure the reliability and capacity of the system and address aging infrastructure, seismic, and overflow concerns associated with the old tunnels. 

    Russ Vakharia

    Supervising Engineer, Construction Management Section

    LA County Sanitation Districts

    Russ Vakharia worked in the field of construction/engineering management for Parsons Corporation on the Los Angeles Metro Red Line, for Disney Imagineering and as an independent construction management consultant and expert witness, before joining his current employer, the Los Angeles County Sanitation District, where he has worked for 18 years managing a variety of construction projects.  Russ also taught construction management at UCLA Extension and in USC’s Master’s program in Construction Management. Russ received his Bachelor’s and Master’s degrees from Stanford University.

    Registrants who view the live webinar to see the slides and hear the audio and then enter the correct attention check code (directions below) will receive 1.2 contact hours towards CWEA's certifications.

    To receive your contact hours for viewing the live webinar or recording, please note the one (1) attention check code that will be displayed during the webinar in the top left or right corner of the presentation for approximately 90 seconds.  Please enter this code in the Attention Check Code component under the "Contents" tab.  

    Please note, all user activity of CWEA certification holders on the Online Wastewater Education Network is subject to the CWEA Code of Ethics standards for professional conduct and ethics. Certification holders should receive credit for a training only once within the same contact hour period. Any attempt to undermine the certification process may be subject to ethics procedures and possible sanctions. It is not possible to receive contact hours for both attending the live webinar and viewing the recording.  

    Once you have entered the correct attendance check code, you will be able to create and download an electronic "Certificate of Completion" under the "Contents" tab.

  • Vitrified Clay Pipe Corrosion (On-Demand)
    Contains 4 Component(s), Includes Credits Recorded On: 09/24/2020

    Discover how the Los Angeles County Sanitation Districts dealt with a severe and unprecedented corrosion problem in some of their larger diameter vitrified clay pipe sewers.

    Please join LABS in a virtual presentation to learn about how the Los Angeles County Sanitation Districts dealt with a severe and unprecedented corrosion problem in some of their larger diameter vitrified clay pipe sewers. The Los Angeles County Sanitation Districts are a public agency focused on converting waste into resources like recycled water, energy and recycled materials. The agency consists of 24 independent special districts serving about 5.6 million people in Los Angeles County. 

    1 contact hour towards CWEA's Collection System Maintenance, Electrical / Instrumentation Technician and Mechanical Technologist certifications.

    John Westergaard

    Civil Engineer

    Los Angeles County Sanitation Districts

    John Westergaard serves as a Civil Engineer at the Los Angeles County Sanitation Districts.

    Registrants who view the full recording to see the slides and hear the audio will receive 1. contact hours towards CWEA's Collection System Maintenance certification. It is not possible receive contact hours for both attending the live webinar and viewing the recording.

    Please note, all user activity of CWEA certification holders on the Online Wastewater Education Network is subject to the CWEA Code of Ethics standards for professional conduct and ethics. Certification holders should receive credit for a training only once within the same contact hour period. Any attempt to undermine the certification process may be subject to ethics procedures and possible sanctions.

    To receive your contact hours for viewing the recording, please note the two (2) different attention check codes that will be displayed at two different points during the webinar in the top right corner of the presentation for approximately 90 seconds.  Please enter these codes as 1st attention check code – 2nd attention check code (XXXX-XXXX) in the Attention Check Code component under the "Contents" tab

    Once you have entered the correct attendance check codes, you will be able to create and download an electronic certificate of completion under the "Contents" tab.