Webinars

Sewer Sociology: What Happens in Vegas Gets Flushed in Vegas
How often do you think about the sewers beneath your feet? Wastewater professionals think about them for a living, but most people never think about them at all. However, a community and its sewers are inextricably linked, and as a result, the flow of wastewater in the sewers below provides some remarkable insights into the life of the community above, and thus the connection between sewers and sociology. This webinar provides a tour of the City of Las Vegas and its surrounding metropolitan area through the eyes of a sewer, as revealed through hydrographs of sewer flow data. This webinar is not a typical technical presentation, but rather a collection of interesting observations of human behavior documented by sewer flow monitors located throughout the Las Vegas area. An overview of sewer use patterns is provided for normal weekday and weekend periods. Variations are then discussed based on land use differences. Other distractions and disruptions that depart from normal diurnal patterns are also presented – including holidays, a power outage, concerts (including Taylor Swift), and sporting events (including Super Bowl LVIII). Practical applications include sewer design, infiltration and inflow evaluation, hydraulic modeling, and real-time alarming.
For interested webinar participants, ADS will provide documentation for professional development hours, subject to the following conditions and limitations:
- You must register individually, sign-in individually, and attend the live webinar in its entirety so that we have the means to validate your attendance and participation for continuing education purposes. We cannot provide PDH documentation for partial attendance, for audio-only call-in, for viewing the webinar archive after the live webinar, or to individuals that watched the live webinar on another attendee’s screen without staying signed in for the duration of the webinar.
- Most organizations do not specifically approve continuing education providers. However, it is your responsibility to determine whether this webinar meets the guidelines set forth by any particular organization.
- Some organizations require the use of pre-approved continuing education providers. ADS is not a pre-approved provider for any particular organization, and this webinar should not be claimed as required continuing education for such organizations.

Speaker:
Kevin Enfinger, P.E.
Kevin is a Senior Product and Region Engineer at ADS Environmental Services with over 30 years of experience in environmental engineering and consulting. He holds a Bachelor of Science in Chemical Engineering from the University of Florida and is a Registered Professional Engineer in Alabama and several other states. He is a member of the American Society of Civil Engineers and the Water Environment Federation.

Speaker:
Timothy Newell, P.E.
Tim is a Principal Civil Engineer at the Clark County Water Reclamation District with 14 years of experience in civil engineering. He leads the Modeling Group which specializes in using hydraulic models to analyze and plan infrastructure, including wastewater collection systems, lift stations, and treatment facilities. He and other staff across the District have recently begun a journey to implement Digital Twins to improve operations and analytics. He holds a Bachelor of Science and Master of Science in Civil Engineering from the University of Nevada – Las Vegas and is a Registered Professional Engineer in Nevada.

Peak Performance: Peaking Factors in Sewer Design and Evaluation
The peaking factor is a familiar concept to wastewater professionals. Various peaking factor guidelines are used to design new sewers, and these guidelines are well accepted. As such, the peaking factor can also be applied as a Key Performance Indicator (KPI) to evaluate the performance of existing sewers by comparing observed vs. expected peaking factors. Those with higher-than-expected peaking factors in wet weather indicate areas with excessive rain-dependent infiltration and inflow (RDII). This webinar covers several popular peaking factor equations in use today and details their historical development from the early 20th Century to present. Part sewer design, part sewer history, part sewer sociology – this webinar adds a deeper layer of perspective and context to our understanding of peaking factors and their role in sewer design and evaluation.
For interested webinar participants, ADS will provide documentation for professional development hours, subject to the following conditions and limitations:
- You must register individually, sign-in individually, and attend the live webinar in its entirety so that we have the means to validate your attendance and participation for continuing education purposes. We cannot provide PDH documentation for partial attendance, for audio-only call-in, for viewing the webinar archive after the live webinar, or to individuals that watched the live webinar on another attendee’s screen without staying signed in for the duration of the webinar.
- Most organizations do not specifically approve continuing education providers. However, it is your responsibility to determine whether this webinar meets the guidelines set forth by any particular organization.
- Some organizations require the use of pre-approved continuing education providers. ADS is not a pre-approved provider for any particular organization, and this webinar should not be claimed as required continuing education for such organizations.

Speaker:
Kevin Enfinger, P.E.
Kevin is a Senior Product and Region Engineer at ADS Environmental Services with over 30 years of experience in environmental engineering and consulting. He holds a Bachelor of Science in Chemical Engineering from the University of Florida and is a Registered Professional Engineer in Alabama and several other states. He is a member of the American Society of Civil Engineers and the Water Environment Federation.
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