How often does an existing open condenser water system, or some other type of open water system, get reused as part of a building renovation project and/or mechanical system upgrade

This month, I begin a few columns about technical commissioning issues.

As engineers work to reduce the risk of Legionella growth in buildings, what strategies can be borrowed from treating illnesses caused by biofilms?  

How often does an existing closed loop hot water heating or chilled water cooling system get reused as part of a building renovation project, and/or used to expand the area served by the system coverage to provide additional heating or air conditioning?

With nine terminals totaling several million square feet of floor space, Los Angeles International Airport (LAX) is one of world’s busiest airports.

Cooling towers used to cool industrial processes and HVAC systems have undergone substantial design changes over the years.

Thanks to a recent remodeling, patrons seated indoors experience the ambience of dining outdoors at O’Toole’s Irish American Grill & Bar. However, there are no mosquitoes, flies, or vehicle emission odors, and the temperature is always a comfortable 74°F.

Carilion Clinic is a not-for-profit health care organization based in Roanoke, VA. In line with their mission to improve the health of the communities they serve, and with the intent of becoming a teaching facility, Carilion Clinic set upon upgrading their operating rooms and related existing HVAC systems at the Carilion New River Valley Medical Center in Christiansburg, VA.

With a little guidance on ground-source heat pump design temperatures and a few rules of thumb for ground loop flow rates, most engineers are pretty comfortable designing the building side of a ground-source heat pump (GSHP) system.

Carilion Clinic is a not-for-profit health care organization based in Roanoke, VA. In line with their mission to improve the health of the communities they serve, and with the intent of becoming a teaching facility, Carilion Clinic set upon upgrading their operating rooms and related existing HVAC systems at the Carilion New River Valley Medical Center in Christiansburg, VA.