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Water Quality and Treatment Systems

Guest editorial: Black water: What has changed?

Kevin Wong
What we consider black water is what is flushed down the drain from the water closet and the kitchen sink. …
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Plumbing & Mechanical & Fire Codes

CPVC sprinkler retrofit adds protection, minimizes disruptions

Adrian Peschi, LCAM, knew that if the retrofit went badly, he’d hear it from hundreds of unofficial supervisors – the residents of the high-rise apartment building he manages in Fort …
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Jacqueline Wilmot: Fire Protection

Jacqueline Wilmot: Acceptance testing or commissioning? What's the difference?

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Jacqueline R. Wilmot
When approving the installation of a fire protection or life safety system to verify compliance in accordance with governing laws, regulations, codes and standards, many of us use the term …
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Green Plumbing

Christoph Lohr: Engineering better work experiences

Christoph Lohr
As engineers, we often keep our head down, working hard to finish projects. It’s easy to lose track of what is happening in the world, let alone other industries, especially …
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Ethan Grossman: Water Cooler Conversations

Ethan Grossman: Texting in engineering

Ethan Grossman P.E., CPD
Most of us these days have experienced the communication method known as texting. If you have not texted before, I commend you for getting by this long in life using …
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Radiant/Hydronics

Tech Topic: Line-pressure testing creates selling opportunities

Jason Leonard
Line pressure in a water heating system is a lot like your body’s blood pressure: an initial indicator of overall health. …
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Ray Wohlfarth: The Boiler Room

Ray Wohlfarth: The case for 2 psig

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Ray Wohlfarth
When I parked my truck outside the boiler room, I saw a thick plume of steam chugging from a pipe on the outside wall. Right away, my spidey sense started …

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