Together, LPGI &
Associate experts have
over 110 years of experience in Engineering, Grounding, Ground Potential
Rise (GPR) Effects, GPR Calculations and Lightning Isolation
Protection.
Ernest M. Duckworth,
Jr. ,
P.E. - President
LPGI & Affiliates duckyern@msn.com
David
P. Hartmann, PhD.,
P.E.- President Consulting Engineer, Inc. dphartmann@comcast.net
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