Issue Allstar

Geothermal HVAC (hydronic) and variable refrigerant flow systems
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On September 24, the ASHRAE headquarters in Atlanta was the sight of American Ground Water Trust’s (AGWT) Geothermal Workshop. The AGWT facilitates workshops around the...more...

Japanese fire pump systems

This month, I will look at some of the features of fire pump installations in Japan. Mind you, this is strictly from the point of...more...

Cost control

Probably the hottest and most challenging topic that has come up for me in recent months is that of cost control. The concept of cost...more...

Wasting water

There’s plenty of good news lately on the California drought. Californians are going above and beyond the state’s water-savings goals.

Citizens decreased total water...more...

Real-time results

High LEED, HERS, RESNET and Energy Star building construction scores are cool energy efficiency certifications to strive for if you are a sustainability nerd, or...more...

New 2016 edition of NFPA 13 - Part 2

In a few months, a new edition of NFPA 13, the 2016 edition, will be available. There were a few NITMAMS at the NFPA Technical...more...

A CITE like no other

The PHCP industry may have an entirely different R&D lab to test its products. Pegasus Global Holdings is currently restarting plans to build a full-size...more...

Where to find cheap gas

If you want a hot tip on low gas prices, I know two places where filling up your car won’t break the bank. Saudi Arabia...more...

Plumbing industry code, standard activity update

This month’s column is an update on several plumbing related organizations and their code and standard activities. The American Society of Sanitary Engineering International (ASSE)...more...

Critical gas pipe sizing

In the past I have written about gas pipe sizing, but some recent events have caused me to want to revisit the subject. As many...more...

The ESFR trap

While supporting a design-build team preparing bids for a project to provide a new warehouse building, we almost fell into the ESFR trap. I feel...more...

Civil or plumbing?

Recently, I’ve been involved in an unusual project that proved to be quite a challenge with our local authority, the Los Angeles Department of Building...more...

Codes accept 'cross connections' as an acceptable design practice

The last code development cycle for the International Codes brought about a code change that was submitted to the model codes by a manufacturer of...more...

Back to the future

Let me introduce myself by telling you about the greatest guy I never met. Charlie Horton founded two trade magazines, and I had the pleasure...more...

Grease interceptors and water conservation

Nathaniel Whiting patented the first grease "trap" in California in 1884. Whiting’s design was basically the same then as today’s passive or gravity type grease...more...

Problems, problems…

“The problem is not that there are problems. The problem is expecting otherwise and thinking that having problems is aproblem.” – Theodore Isaac Rubin​...more...

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