The Authority Podcast: Plumbing and Mechanical IAPMO

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...

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...

On this week’s episode, we’re going to be talking about how Seattle improved water savings and reduced new construction costs through accurate pipe sizing. Seattle recently mandated the use of the IAPMO Water Demand Calculator® for multifamily residences, also known as R2 occupancies. The inclusion of Appendix M in the city’s plumbing codes puts Seattle on the cutting edge of sustainability and resiliency by creating a pathway for significant reductions in potable water use, improving energy,...

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...

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 ...

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.