Top 5 Consulting-Specifying Engineer articles, September 15-21: Chilled water systems, NFPA 101 considerations, LED luminaires, more

Articles about Designing chilled water systems, NFPA 101 engineering considerations, specifying LED luminaires, specifying lighting controls, and NFPA 75 changes were Consulting-Specifying Engineer’s five most clicked articles from last week, September 15-21. Were you out last week? Miss something? You can catch up here.


1. Designing chilled water systems

Typically used for cooling and dehumidifying a building's air, chilled water (CHW) systems circulate it throughout a building or campus complex. CHW systems also may be used for removing process or other heating loads.

2. Engineering considerations of NFPA 101

NFPA 101: Life Safety Code defines a building's egress, along with numerous fire and life safety systems.

3. Specifying LED luminaires

LEDs are in demand because of their energy efficiency and long lifecycle. This article reviews the key aspects of specifying LEDs, provides a lifecycle comparison to other types of lighting, and discusses the codes that dictate their specification.

4. Specifying lighting controls: Part 1

Part 1 looks at four common types of lighting controls: panelboards, dimming controls, addressable controls, and relay-based systems.

5. Updates, changes to NFPA 75 affect data centers

The 2016 edition of NFPA 75: Standard for the Fire Protection of Information Technology (IT) Equipment may include changes to the risk assessment approach users of the document must take.

The list was developed using CFE Media's web analytics for stories viewed on, September 15-21, for articles published within the last two months.

- Chris Vavra, content specialist, CFE Media,

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