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Home » Topics » Design , How To

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Code Classroom

DHW Temperature Control: Designing for Scald Protection and Legionella Risk

Other recommendations include proper mixing valves, adequate disinfectant residuals and flushing/cleaning maintenance to manage biofilm and stagnation.
June 1, 2026
Ron George

Designing a safe domestic hot water system requires balancing the need for high distribution temperatures to prevent Legionella growth with code-compliant temperature controls to eliminate the risk of scalding at the fixture.


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Feature

Engineering Water Safety: The New Intersection of Sustainability and Infection Prevention

Sustainable plumbing design in healthcare has evolved, emphasizing intelligent water management to conserve water and minimize infection.
May 4, 2026

Learn how to balance water conservation with infection control by implementing intelligent plumbing design and management strategies in healthcare environments.


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Feature

Elevated Hot Water Temperatures: Balancing Legionella Control, Scald Prevention and Professional Liability

Plumbing designers are expected to recognize known risks, apply industry standards appropriately and design systems that balance competing hazards in a defensible way.
May 4, 2026

Learn how plumbing engineers must balance the conflicting risks of Legionella control and scald prevention by applying ASSE standards to meet the modern professional standard of care.


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Feature

Multifamily Residential Walls: How Big Do They Need to Be?

Plumbing wall depth is often underestimated and must be carefully sized based on pipe materials, pipe diameters, insulation, fire rating requirements and firestopping methods — not only fixture counts.
April 1, 2026

In high-rise residential design, every inch of floor space counts—but underestimating the depth of a plumbing chase can lead to major headaches during construction.


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Feature

From Equations to Application: Exploring Essential Mathematical Foundations for Plumbing Engineering

Basic algebra and unit conversions are foundational to plumbing engineering, leading to accurate, efficient and cost-effective systems.
March 2, 2026

Most people have heard or even said to themselves, “I will never use algebra in the real world.” However, most don’t realize they use algebra every day. 


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Feature

Vacuum Plumbing Systems: Applications, Advantages and Considerations

Educating clients on vacuum plumbing systems is key as they are not appropriate for every building project.
March 2, 2026
Aaron Bock PE
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Feature

With Water, Space Is Money

Winning the battle for mechanical square footage requires smarter plumbing solutions for restaurants.
February 2, 2026

Nicholas Hipp explores how collaborative engineering is solving the challenge of shrinking restaurant footprints through space-saving wall-mounted booster pumps and creative water volume solutions.


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Feature

Water System Strategies for Sterile Processing Success

Early planning, understanding staff workflows and coordinating with clients, architects and vendors are critical for sizing source equipment and meeting evolving standards.
February 2, 2026
Aaron Bock PE

Aaron Bock, PE, breaks down the complex plumbing demands of hospital Sterile Processing Departments, emphasizing why precision in water purity, temperature, and system redundancy is vital for supporting life-saving surgical workflows.


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Feature

Integrated Automation for Commercial Building Plumbing Systems

Plumbing engineers must take a more active role in documenting control expectations and integrating plumbing systems with building automation, ensuring clarity, reliability and reduced risk for building owners.
February 2, 2026
Karl Caouette

Integrated automation is shifting plumbing design from simple equipment selection to a vital role in building intelligence, requiring engineers to bridge the gap between mechanical layouts and digital control strategies.


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Feature

Designing Modular Geothermal and Hydronic Systems for Simpler, Lower-Risk Installation

Standardized, repeatable designs can scale innovation and make geothermal systems a mainstream solution for sustainable building design.
January 5, 2026
Albert Wallace

This article explores how modular design, hydraulic separation, and advanced controls can transform geothermal systems from incremental efficiency gains into scalable, high-performance solutions for commercial and residential buildings.


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