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HP&D news and information blog

AJC Names Patterson & Dewar a 2021 Top Workplace

By HP&D in the News

Patterson & Dewar Engineers, Inc. (P&D) is pleased to announce it has been selected as one of the Atlanta Journal Constitution’s 2021 Top Workplaces. The Top Workplaces list is based solely on employee feedback collected through a survey administered by Energage LLC, a third-party employee engagement technology partner. The anonymous survey measures 15 culture drivers critical to an organization’s success, including alignment, execution, and connection. P&D is an employee-owned company, and as Mike Bryan, President…

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March 17, 2021
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Substation Safety: When “Dirt Cheap” is Bad

By Conduit

Ground Grid Design & Soil Electrical substations are built across the country, comprising a wide range of dimensions and voltages from 4.16kV up to 500kV. These substations are subject to electrical faults, of which 80% are single line to ground (SLG) faults. These fault currents can vary from a few hundred to many thousands of amperes. When designing an electrically safe substation, the cornerstone of any site is the native soil resistivity. Prior to design,…

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March 2, 2021
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2020: The Year in Review

By Conduit, HP&D in the News
The word of the year for 2020 is “unprecedented” – and it applies in more ways than one. As the world reeled from setbacks, Patterson & Dewar Engineers, Inc., pushed forward with an unprecedented year. While COVID-19 has been topping minds for most of 2020, P&D, and our subsidiary Hood Patterson & Dewar, would like to reflect on and recognize some of our memorable events from this year in our countdown to 2021.   Mike...
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December 28, 2020
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Hood Patterson & Dewar Named 2020 Commissioning Giant

By Conduit

Hood Patterson & Dewar is pleased to be in the top tier of the 25 firms recognized on the Consulting-Specifying Engineer’s 2020 Commissioning Giants list for the second consecutive year. HP&D reported a commissioning revenue of $30.1 million. The magazine’s report is based on annual commissioning revenue of firms of all levels, including new or existing buildings, whole building, recommissioning, monitoring-based, fire protection systems, building enclosure (envelope), emergency power systems, retro-commissioning, and communications systems. Established in 1982, HP&D remains widely regarded as a leader in electrical and mechanical testing, commissioning,…

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November 23, 2020
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Hood Patterson Dewar Named NETA Accredited Company

By Conduit

Hood Patterson & Dewar is pleased to announce our designation as one of the newest NETA accredited companies. NETA Accredited Companies are third-party, independent electrical testing and engineering service businesses providing full-service testing, analysis, and maintenance of electrical power systems. NETA maintains a two-fold accreditation process that accredits the company and certifies its individual technicians. The accreditation standards assure consumers of both the qualifications of the company as well as the credentials of the individual…

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May 26, 2020
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Hood Patterson & Dewar Named 2019 Commissioning Giant

By Conduit

Hood Patterson & Dewar is pleased to be among the 25 firms named to Consulting-Specifying Engineer’s list of 2019 Commissioning Giants. New to the list this year, HP&D reported commissioning revenue of $12.5 million. Established in 1982, HP&D remains widely regarded as a leader in electrical and mechanical testing, commissioning, and engineering services. HP&D is a wholly-owned subsidiary of Patterson & Dewar Engineers, Inc., which has specialized in designing and evaluating vital power delivery infrastructures…

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December 4, 2019
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Hilton Mills Highlights Potential Safety Risks Identified During Field Verification

By Conduit

Hilton Mills is a featured speaker at CEATI International’s 2019 Grounding and Lightning Conference on October 9th in Houston, TX. The conference brings together leading subject matter experts from around the world. Hilton will present What Lies Beneath: Testing the Safety of Aging Grounding Systems, during which he will discuss the fall of potential (FoP) and computer-based test instrument (CBTI) methods for testing ground grids, common pitfalls encountered when testing energized electrical substations, plants, and…

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September 25, 2019
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NETA Weighs in on Grounding System Testing

By Conduit

The Spring issue of NETA World contains an interesting article on testing grounding systems written by regular contributor, Jeff Jowett, a Senior Applications Engineer for Megger. Jowett explains why, “for large and complex grounding systems,” SmartGround® Multimeter (SGM) in the hands of a qualified grounding specialist “affords incontestable results.”  

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May 23, 2019
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Arc Flash Awareness Training – June 28th in Atlanta, GA

By Conduit, uPDate

Join OSHA-Authorized General Industry Trainer David Rewitzer, PE, CEM of Hood Patterson & Dewar (HP&D) on Friday, June 28, 2019 for a 1-day Arc Flash Awareness seminar during which participants will learn about the nature of the arc flash problem, OSHA position and enforcement, arc flash labeling, NFPA-70 2018 changes, PPE requirements, and more. The class will take place from 7 a.m. to 3 p.m. (lunch will be provided) on Friday, June 28th in the P&D Seminar Room at 850…

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April 15, 2019
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Your Data Center’s Hidden (and Shocking) Potential

By Conduit

As data center facilities increase in size, complexity, and energy consumption, new data center projects often require dedicated substations. When that is the case, the data center becomes an extension of the substation and is subject to its same inherent risks.

Regardless of who owns the substation, the risks to personnel and property remain the same – damaging or potentially lethal voltages caused by line-to-ground faults and lightning strikes. Read more…

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January 29, 2019
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