The Contractor is Here. Now What?

Keeping Things Flowing During BNR Startup

Thursday, April 19
8:50 AM - 9:40 AM
Location: Meeting Room 309/310, Sacramento Convention Center

CWEA: 1 Contact Hour

Practice Area: Professional Challenge Area: Plant Operations – Challenges and Opportunities

West County Wastewater District (WCWD) has recently completed a secondary treatment process upgrade as part of its extensive Capital Improvements Program. This presentation focuses on the startup of WCWD's new BNR process, Modified-Ludzack Ettinger, and how they overcame the challenges associated with decommissioning their roughing filter, coordinating shutdowns with other projects, and having very little process control over their new process.

Learner Outcomes:

Level: Intermediate; working knowledge of subject matter / journeyman level staff

Matt Kallerud

Engineer
Carollo Engineers

Biography:

Matt Kallerud has 5 years of experience in water and wastewater treatment planning, design, construction & startup. He holds a M.S. in Civil & Environmental Engineering from the University of California, Davis and a B.S. in Mechanical Engineering from Milwaukee School of Engineering. His areas of interest include wastewater process modeling, aeration system design, biological nutrient removal, and treatment process startup. He is actively involved with CWEA San Francisco Bay Section's Student and Young Professionals Committee as well as with Carollo's annual workplace giving campaign.

Presentation(s):

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Ken Cook

Acting Water Quality Manager
West County Wastewater District

Biography:

Ken has been working at WCWD for 18 years, first as the Associate Engineer, then for 7 years as the Engineering Services Manager and for the past 8 months as the Acting Water Quality Manager. Prior to joining WCWD, Ken worked as a consulting engineer for 16 years, for West Yost and Associates, Nolte and Associates, CH2M Hill and Bissell and Karn. Ken holds a Master's degree in Evironmental Engineering from the University of California, Berkeley and a B.A. in Engineering Science from Dartmouth College. He is a licensed Professional Engineer in California.

His professional affiliations include membership in the California Association of Sanitation Agencies, Water Environment Federation and California Water Environment Association.

Presentation(s):

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Andre Gharagozian

Project Manager
Carollo Engineers

Biography:

Mr. Gharagozian, P.E. is a project manager and Associate Vice President at Carollo Engineers. He has over 20 years of experience as a consulting engineer with a focus on wastewater treatment. He has experience with all phases of project implementation with a specialty in nutrient removal and secondary process modeling and analysis. In the last 5 years, he has managed the design and construction of two BNR upgrades in Northern California and led nutrient evaluation and studies of nearly a dozen other facilities. Mr. Gharagozian is also involved in the study and implementation of various resource recovery projects including biosolids to energy technologies.

Presentation(s):

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BW

Billy Wong

Principal Engineer
Stantec

Biography:

Billy Wong is a Principal Engineer at Stantec. He is a licenced civil engineer with 17 years of experience in enviromnetal and I&C engineering and construction management. Billy has managed and served as technical lead in the various water infrastructure projects including pipelines, pump stations, wastewater, reclaimed water and water treatment facilities. Billy brings hands on experience in civil, mechanical, electrical and instrumentation design for wastewater and water treatment facilities.

Presentation(s):

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