HP&D began in 1982 by offering electrical testing services for utility and industrial clients. Today, our testing staff comprises Professional Engineers, electricians, and equipment technicians working for clients in all types of facilities across the country and around the world. We leverage in-depth knowledge, vast field experience, and lessons learned to thoroughly examine each component. We look beyond the individual device and consider its place within the system as a whole to verify it will perform as intended.
A properly designed and installed grounding system is crucial to the successful operation of an electrical system and the safety and protection of personnel and equipment. There are so many variables that affect grounding. What are the grounding requirements of the installed equipment? How does the soil composition affect grounding? Is your site a small single location such as a rural distribution substation or data center building? Or is it a large complex site such as a nuclear facility or sprawling campus?
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. Knowing the fill type is essential when preparing a site for...
Did you miss our New Year’s Count Down last week? 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...
Patterson and Dewar Engineers, Inc. is delighted to announce the appointment of Mike Bryan as the new President & CEO, effective January 1, 2021. Mike began his career at P&D more than 20 years ago and has been a critical member of the P&D leadership team since 2014 when he joined the Board of...
Patterson & Dewar Engineers, Inc. extends best wishes to Mike Kline, who is retiring on December 31, 2020. Mike joined the company nearly 45 years ago and will be missed by both clients and colleagues. Mike is one of the foremost authorities on conceptual design, functional verification, forensic...
We are pleased to announce the promotion of Brandon Sedgwick to President of Hood Patterson & Dewar, and Jeff Womack to Vice President of Operations. For more information click here: https:// hoodpd.com/ 2020-the-year-in -review/
Dan Parker officially retired as President of Hood Patterson & Dewar in July after 30 years of service. Congratulat… https://t.co/0muRzQvPLO
Hood Patterson & Dewar is pleased to announce our designation as one of the newest NETA accredited companies.… https://t.co/7Cjeqa3Z1k
Our parent company is looking for a Senior Substation Engineer for physical substation design. Know anyone who migh… https://t.co/V9IChVGRUR
The latest from The Conduit #grounding #groundingsystemtesting #substations #electricalengineering #utilities… https://t.co/QkgIb92MkA
@mkline15 discusses hidden (and shocking) potential on data center campuses in his latest article on The Conduit.… https://t.co/xpL2RaKwq4
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