Codes and Standards November 26, 2018

NFPA 110-2016: Design considerations

This article discusses design requirements of NFPA 110 (2016) and how it applies to emergency and standby power systems in mission critical facilities. It also reviews other relevant codes, such as NEC (2017), NFPA 99 (2018), and IBC (2015), and discusses how they complement NFPA 110.

By Firas (Ross) Alkhayri, PE, CEM; AECOM, Columbus, Ohio
Business of Engineering December 10, 2018

A tax on boots

Do you need new steel-toed boots for the jobsite or the manufacturing floor? How much will they cost?

By Amara Rozgus
Electrical, Power December 12, 2018

Selecting, sizing transformers in nonresidential buildings

Transformers are a critical piece of any electrical infrastructure. Knowing how to properly size and select these transformers will allow the building to function with minimal interruptions.

By Stephen Berta, EI, and Robert R. Jones Jr., PE, LEED AP, NV5, Las Vegas
Events and Awards December 3, 2018

2019 40 Under 40 nominations open

The 2019 40 Under 40 program is now open for nominations. Submit your nomination by Friday, Jan. 25, 2019.

By Consulting-Specifying Engineer
Recent Content
Fire, Life Safety December 13, 2018

How to design fire alarm notification systems

This mass notification and emergency communication system design discussion is holistic and includes all associated coordination requirements.

By Richard A. Vedvik, PE, IMEG Corp., Rock Island, Ill.
Fire, Life Safety December 13, 2018

Case study: Medical center notification system update

This example will share the fire alarm notification system design approach and construction challenges and resulting solutions at a medical center.

By Richard A. Vedvik, PE, IMEG Corp., Rock Island, Ill.
Electrical, Power December 12, 2018

Case study: Expanding transformers

At a plant-cultivation facility, the engineering team calculated what type of electrical distribution system was needed.

By Stephen Berta, EI, and Robert R. Jones Jr., PE, LEED AP, NV5, Las Vegas
HVAC December 12, 2018

High volume low speed ceiling fan

The Model DS direct drive, high volume low speed (HVLS) ceiling fans feature an optimized airfoil design for maximum efficiency and coverage area.

Electrical December 12, 2018

Engine start monitoring system

If a control circuit is opened or shorted, the engine automatically starts and an alarm relay activates indicators at the generator and any remote annunciators.

Business of Engineering December 11, 2018

Video: Demand Response. Best Practices for Multi-Division, Multi-site Program Implementation

This presentation cites the demand response program administered by New York City which provided up to 75MW of grid relief annually and earned revenue over $22 Million.

By Cx Energy
Electrical December 7, 2018

Power supply series

Available in three single output models; 12, 24, and 48VDC, each unit features 90 to 264VAC input voltage range, no-load power consumption 250K hours per MIL-HDBK-217F at full load/25ÂșC ambient and weight of 6.4oz.