OWP/P: The design pipeline

The June edition of Plumbing Engineer’s “Engineering Spotlight” features OWP/P. What started as an architectural firm in 1958 by three of the four name partners — Larry O’Donnell, Len Wicklund and Ray Pigozzi ... >> More

Siphonic Roof Drainage: Inside Secrets

There have been an abundance of articles and seminars on the topic of siphonic roof drainage. They have been somewhat informative, cursory and often promotional. What they don’t address is the question ... >> More

GreenPlumbers®

Just when I thought I had heard all I could stand about everything green, I learned about GreenPlumbers and was pleasantly surprised. Something drew me to their ASPE presentation last April — call it morbid ... >> More

Protecting fire sprinklers from the human element

Fire sprinkler systems are designed and installed to protect life and property. Actuation of sprinkler heads in the event of a fire is desired, but actuation from damage or other causes is not. So what ...  >> More

Doin’ the math

Ask me what my least favorite class was in school and without hesitation I would answer math! (Yet, here I am 25 years later doing math.) At the onset of any hydronic job I always do the math. I start with ... >> More

Solar overheat protection

Solar overheat can be problematic. Even a fully functional closed-loop glycol solar heating system can overheat. This is most likely to happen when there is plenty of sun, but the heat is not being used. , ... >> More

Fuel Gas Safety

There are several codes and standards that can apply to a given fuel gas installation. Compliance with the applicable codes is mandatory, along with some common sense when dealing with safety for fuel ... >> More