Top 5 Consulting-Specifying Engineer articles, February 23 to March 1: Fire suppression piping systems, VFD and motor strategies, NFPA 72 and 720 code changes, more

Articles about fire suppression piping systems, VFD and motor strategies for energy efficiency, NFPA 72 and 720 code changes, ASHRAE 90.1 and integrated design, and results from the 2014 electrical, power study were Consulting-Specifying Engineer’s five most clicked articles from last week, February 23 to March 1. Were you out last week? Miss something? You can catch up here.


Consulting-Specifying Engineer Top 5 most read articles online, for Feb. 23-Mar. 1, covered fire suppression piping systems, VFD and motor strategies for energy efficiency, NFPA 72 and 720 code changes, ASHRAE 90.1 and integrated design, and results from the 2014 electrical, power study. Link to each article below.

1. Seismic design of fire suppression piping systems

Fire protection engineers should use the guidance of NFPA 13 when designing fire suppression piping in nonresidential buildings. 

2. VFD, motor strategies for energy efficiency

A variable frequency drive (VFD) often is specified to reduce operational cost for pumps, fans, compressors, or any similar equipment with variable load profiles that may be found in a typical building. Here's how to specify a VFD to meet load conditions while achieving efficiency. 

3. NFPA 72 and 720 code changes

Here's what fire protection engineers need to know about the NFPA 72 and 720 code requirements for sleeping rooms. 

4. How ASHRAE Standard 90.1 contributes to integrated design

ASHRAE Standard 90.1 is under continuous maintenance. This article focuses on the recent evolution of this standard, the impact on energy and performance, the design process, and how human interaction can improve energy efficiency. 

5. 2014 Electrical, Power Study: Seven key findings

According to the data in this report, inadequate budgets and keeping up with frequent codes and standards updates for electrical and power systems design are continuous challenges that aren't expected to change anytime soon. 

The list was developed using CFE Media's web analytics for stories viewed on, February 23 to March 1, for articles published within the last two months.

- Chris Vavra, production editor, CFE Media,

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