Top 5 Consulting-Specifying Engineer Articles, April 5 to April 11
Consulting-Specifying Engineer‘s top 5 most read articles online for April 5 to April 11 covered GFCI nuisances, AHU component makeup, AEC industry struggles, humidity in healthcare facilities, and NFPA 72-2019 updates. Were you out last week? You can catch up here. Link to each article below.
1. Understanding the changes to GFCI nuisances – Since the expansion of the 2017 National Electrical Code (NEC) ground fault circuit interrupter (GFCI) requirements to include single-phase receptacles up to 50A and three-phase receptacles up to 100A, we’ve seen a trend of increased GFCI nuisance tripping.
2. AHU types, components, and configurations – In this second portion, engineers will understand the component makeup of air handling units (AHUs) and their inclusion within various HVAC systems.
3. Our industry is broken – Over 70 percent of projects within the AEC industry are over budget or delivered behind schedule, or both.
4. The Fine Line of Humidity and Healthcare: 4 MEP Engineering Considerations – Over the past several years, regulators have given more attention to humidity levels in operating rooms and central sterile processing departments.
5. Know the updates to NFPA 72-2019 – The 2019 update of NFPA 72 provides fire protection engineers improved mass notification and emergency communication guidelines. Here’s a look at what’s new in the most recent version of the code.