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PODCAST

The Authority Podcast: Plumbing and Mechanical

When talking about the built environment, we would do well to remember, "We shape our buildings, and afterwards, our buildings shape us." Therefore, on each episode, we"ll discuss the latest trends from IAPMO in plumbing and mechanical safety, sustainability, and resiliency. Join me, your host Christoph Lohr, and together, we"ll explore the ways we can make our buildings shape us for the better.

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All Episodes

30:30

Hidden Heroes of Water Conservation: How Plumbing...

The Authority Podcast: Plumbing and Mechanical ·

2025/03/12

Water is one of our most precious resources, yet we waste billions of gallons every year—often without even realizing it. But what if the biggest solution wasn’t flashy new technology, but something as simple as the toilet, showerhead, or faucet in your home? In this episode of The Authority Podcast: Plumbing Mechanical, host Christoph Lohr welcomes back Kerry Stackpole, CEO & Executive Director of Plumbing Manufacturers International (PMI), for a powerful conversation about how everyday ...

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17:13

Ensuring Water Quality & Safety: ASSE 12000 Series...

The Authority Podcast: Plumbing and Mechanical ·

2025/02/27

In this episode, host Christoph Lohr speaks with Kurt Steenhoek, International Representative of the United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry, to discuss a critical issue—water quality. 💧 How do we ensure safe drinking water in hospitals, nursing homes, and public buildings? 💧 What lessons can we learn from the Flint water crisis and the rise of Legionella outbreaks? 💧 Why are certified plumbing professionals essential in protecting public

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19:22

Plumbing Smarter: Cutting Costs, Saving Water and...

The Authority Podcast: Plumbing and Mechanical ·

2025/02/12

What if a simple shift in plumbing design could save thousands of dollars, deliver hot water faster, and make homes more affordable—all while conserving precious resources? In this must-listen episode, host Christoph Lohr sits down with industry trailblazers Robert Campbell Sr. and Amanda Johnson from Villara Corp. to reveal how they’re revolutionizing homebuilding with the IAPMO Water Demand Calculator. Villara Corp. has helped builders save up to $5,000 per home, reduce construction waste, ...

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13:15

Breaking Barriers: Judaline Cassidy on Empowering...

The Authority Podcast: Plumbing and Mechanical ·

2025/02/04

In this episode of The Authority Podcast: Plumbing & Mechanical, host Christoph Lohr welcomes Judaline Cassidy, a trailblazing plumber and founder of Tools & Tiaras Inc. Judaline shares her passion for the skilled trades and the importance of empowering women to pursue careers in plumbing. She discusses the evolving perceptions of the industry, the economic and personal benefits of becoming a plumber, and her collaboration with IAPMO on My Mom Is A Plumbing Superhero — a children’s co...

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29:10

Legionella in Water: Why the General Services...

The Authority Podcast: Plumbing and Mechanical ·

2024/10/29

In this episode, we discuss the General Services Administration (GSA) order to address the risk of Legionella and other waterborne pathogens in the water systems of GSA-controlled buildings. The GSA, which owns 1,600 federal buildings and leases space in over 6,500 buildings nationwide, was spurred to action after detecting elevated levels of Legionella bacteria at six GSA-controlled buildings in different regions since 2023. Our guest Dr. Abraham Cullom, a microbiologist with expertise in pl...

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16:38

Rebuilding Paradise: Lessons in Plumbing Resilience...

The Authority Podcast: Plumbing and Mechanical ·

2024/10/22

In this powerful episode, we delve into the reconstruction journey of Paradise, California following the devastating 2018 Camp Fire that destroyed more than 18,000 structures and killed 85 people. Our guest, Tony Lindsey, Paradise Building Official and Fire Marshal, shares his unique perspective as both a building official and a resident who lost his home in the disaster. Lindsey offers exclusive insights into the challenges faced during evacuation, the complexities of rebuilding ...

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25:56

Pipe Sizing for Storm Drain Performance - Insights...

The Authority Podcast: Plumbing and Mechanical ·

2024/10/09

Join IAPMO experts Dan Cole and Christoph Lohr for a technical exploration of storm drainage system design and the critical equations engineers need to calculate effect flow rates through piping.Among the key insights is the impact of pipe material on flow velocity. For instance, PVC and cast iron pipes of the same size can have vastly different flow capacities. Dan and Christoph discuss the key differences between the Manning and Darcy-Weisbach equations, why current plumbing code tables may...

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13:31

Water Use in Single-Family and Multi-Family Homes

The Authority Podcast: Plumbing and Mechanical ·

2024/10/02

In this episode, we discuss challenges and opportunities in residential water use and efficiency. Our expert guest, Andrew D. Morris, Senior Manager of Policy & Programs with the Alliance For Water Efficiency, shares how water consumption in single-family and multi-family homes has evolved over the years, including a 15% decrease in indoor water use between 1999 and 2016 driven by state-level fixture standards and federal appliance regulations. Andrew provides a vision for future areas of...

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23:26

Innovations and Policies Shaping Water Conservation...

The Authority Podcast: Plumbing and Mechanical ·

2024/09/26

In this episode, Green Builder Media CEO Sara Gutterman delves into strategies and technologies that revolutionize water conservation in the built environment, from advanced irrigation systems to smart water management technologies. We explore the government policies and regulations in driving these initiatives and discuss the critical role of community engagement and education. Finally, we look ahead to future directions and emerging research areas that promise to shape the sustainability la...

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23:56

The Water Energy Nexus: Demonstrating Energy Savings...

The Authority Podcast: Plumbing and Mechanical ·

2024/09/17

In this episode, Jonah Schein, Technical Coordinator for Homes and Buildings with the U.S. Environmental Protection Agency (EPA) WaterSense® program, demonstrates how water-efficiency measures also save energy and reduce carbon emissions, using data from 219 WaterSense-labeled homes in Menifee, California. Jonah describes how every gallon of water has an "energy signature" based on the processes required to extract, convey, treat, and distribute that water, noting the dramatic differenc...

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17:04

Top Plumbing Industry Trends in Plumbing from...

The Authority Podcast: Plumbing and Mechanical ·

2024/09/10

In this insightful episode, Mechanical Hub hosts Tim Ward and John Messenbrink discuss three major plumbing industry trends: the push towards electrification, artificial Intelligence (AI), and the skilled trade gap, especially as it relates to attracting a more diverse workforce. Regarding electrification, Tim and John note that while electrification is important for environmental reasons, they caution about the need for a measured approach and improved infrastructure to support this tra...

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21:58

What is Backflow and How Do Communities Mitigate the...

The Authority Podcast: Plumbing and Mechanical ·

2024/08/13

In this episode, we delve deep into the critical issue of backflow prevention, exploring the latest technologies and methodologies that are transforming the field. Join master plumber Sean Cleary, vice president of operations for the Backflow Prevention Institute (BPI), as we discuss the causes of backflow, the risks to water systems, regulatory compliance requirements and real-world case studies. Related Links: Backflow Prevention Institute Website: https://iapmobpi.org/Beginner’s...

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18:06

Water Reuse Standards with Sal Aridi: What are the...

The Authority Podcast: Plumbing and Mechanical ·

2024/06/18

In this episode, guest Sal Aridi, a professional engineer and director of Special Projects at IAPMO, discusses water reuse. He elaborates on his 25-year career in water technologies and explains the different types of water reuse, such as greywater and blackwater. The conversation covers definitions, standards, and the practicalities of water recycling, emphasizing the importance of robust systems and the misconception that water reuse is inherently problematic.

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17:40

Structural Water Savings: Can Right Sizing of Water...

The Authority Podcast: Plumbing and Mechanical ·

2024/06/11

In this episode host Christoph Lohr discusses structural and behavioral water waste with Jim Lutz, a retired researcher from Lawrence Berkeley National Lab. Jim details his career, focusing on water heater efficiency and plumbing systems, and explains how his research has shown the significance of structural waste in residential plumbing, particularly in hot water distribution systems. He emphasizes the inefficacy of low-flow showerheads due to structural waste and advocates for compact plumb...

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15:49

ASPE PE Working Group: An Update on ASPE's Effort to...

The Authority Podcast: Plumbing and Mechanical ·

2024/06/04

In this episode, we welcome David Dexter, a professional engineer with over 40 years of experience in the plumbing trade. Dexter discusses his transition from a master plumber to a professional engineer and his active involvement in the ASPE Professional Engineering Working Group. They highlight the importance of a specialized plumbing engineering exam under the mechanical discipline to ensure the verification of expertise and enhance public safety. The conversation emphasizes the collaborati...

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23:37

Seattle King County WDC Mandate: Why Seattle-King...

The Authority Podcast: Plumbing and Mechanical ·

2024/05/28

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15:19

Zeroing in on Water Conservation

The Authority Podcast: Plumbing and Mechanical ·

2024/05/20

In this episode, host Christoph Lohr welcomes Sara Gutterman, CEO of Green Builder Media, to discuss the pressing issue of water sustainability in building practices. Sara emphasizes the importance of water conservation and quality, highlighting innovative solutions such as net-zero water impact plans, appropriate water pricing, and the adoption of smart water technologies like leak detection and smart irrigation systems. She stresses the need for municipalities to prioritize water management...

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25:06

ASSE 12000 Series

The Authority Podcast: Plumbing and Mechanical ·

2024/05/13

In this episode Tony Marcello, IAPMO senior vice president of Training and Credential Services, returns to discuss the ASSE 12000 series, focusing on ASSE 12080 and Legionella prevention. The standard is crucial for those working in health care facilities to conduct risk assessments and develop water management plans to protect occupants. They delve into the certification process, emphasizing the importance of training and education. Additionally, they explore the broader implications of the ...

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24:15

The Water Demand Calculator in California

The Authority Podcast: Plumbing and Mechanical ·

2024/05/06

In this episode we welcome guests Kelly Cunningham from PG&E and Steffi Becking from 2050 Partners to discuss the adoption of the Water Demand Calculator in California. They delve into the significance of this adoption, highlighting its potential to save water, energy, and construction costs while improving building efficiency and sustainability. Steffi and Kelly share insights into the adoption process, stakeholder engagement, and the importance of data validation in overcoming objections.

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38:09

Water Quality for Plumbing Professionals and...

The Authority Podcast: Plumbing and Mechanical ·

2024/04/30

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