P&D Wins Premier Award for Client Satisfaction

By | uPDate

P&D is proud to have been selected for the fourth time as a PSMJ Resources Premier Award for Client Satisfaction winner. The 2018 award recognized 24 engineering and architectural firms that have performed exceptionally well in the areas of client communication, project delivery, and cost-effective solutions. More…

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P&D Awarded Circle of Excellence

By | Announcements from P&D, P&D in the News

P&D identified by PSMJ Resources, Inc. as a 2018 Circle of Excellence firm, which recognizes successfully managed firms based on 13 key performance indicators that demonstrate outstanding achievements in profitability, staff growth, cash flow, productivity, business development, overhead management, and turnover. This award is granted to the top 20% of companies determined by PSMJ’s annual A/E Financial Performance Benchmark Survey. It recognizes those firms that are not only good at their practice but also at running their practice as a business. more…

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Conductor Licking and Fall of Potential

By | uPDate

Since the mid-twentieth century, the physical world around us has changed dramatically, so why is a grounding system test method adopted nearly 75 years ago still so widely used today? And what are the inherent problems when using an antiquated approach in the modern world? Read more…

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Earth Grids Are Easy… Or Are They?

By | Conduit, uPDate

A grounding system’s purpose is to use the earth as a current-carrying conductor to dissipate noise currents and conduct dangerous lightning and power fault currents. Earth is a very good electrical conductor due to its mass and its availability to everyone at all locations throughout the world. This global access to the earth allows grounding systems installed on opposite sides of the world to connect. Read more…

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Defensive Driving Course

By | uPDate

Join Josh Kelly, CSP, SMS to learn techniques to avoid collisions and traffic violations. Drivers learn safe, responsible and lawful driving behaviors through a self-assessment risk survey, a series of learning activities and discussions, and…

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Arc Flash Awareness Training – March 30 in Atlanta, GA

By | Announcements from P&D, uPDate

Join OSHA-Authorized General Industry Trainer David Rewitzer, PE, CEM of Hood Patterson & Dewar (HP&D) on Friday, March 30, 2018 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, March 30 in the P&D Seminar Room at 850 Center Way, Norcross, GA 30071.

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Green Eggs and BLAM!

By | Conduit

Prior to the 2018 version, NFPA 70E simply cautioned that “greater emphasis may be necessary with respect to de-energizing” equipment with incident energy (IE) exceeding 40 cal/cm2, “when exposed to electrical hazards.” This nebulous direction was applied within the industry by simply labeling everything over 40 cals as “Dangerous – No PPE Exists.” In its new 2018 version, NFPA 70E eliminated this cautionary language. This may lead some to infer that working on energized equipment…

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Join Michael Thesing at DistribuTech 2018 for SCADA with Advanced Applications

By | Announcements from P&D, uPDate

SmartGrid experts Michael Thesing and John McDonald bring more than 60 years of combined experience in this area, and share “real world” equipment and project examples to teach Supervisory Control and Data Acquisition (SCADA) with Advanced Applications as part of the Utility University® at DistribuTech®. The course takes place in room 211 at the Henry B. Gonzalez Convention Center in San Antonio, TX on Monday, January 22, 2018 (8 a.m. – 5 p.m.). It provides a comprehensive examination of electric utility SCADA systems, as well as adjacent technologies, techniques, and industry best practices…

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P&D Publishes New Corporate Brochure

By | uPDate
Patterson & Dewar Engineers, Inc. (P&D) is pleased to announce that we have released our new corporate brochure. As we approach our 70th anniversary, this new  brochure provides an updated look at our company, our culture, and the services we provide. Established in 1947, P&D provides engineering, construction management, and land surveying services from our offices in Atlanta, Nashville, Dallas and Amarillo. P&D specializes in designing and evaluating vital electrical infrastructures, and assists electric utilities, cooperatives,...
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