About the author  ⁄ Frank Lancaster, P.E., RA, LEED AP

Franklin D. Lancaster, P.E., RA, LEED™ AP is Principal in charge of structural engineering at Einhorn Yaffee Prescott Architecture & Engineering PC. Mr. Lancaster has nearly 20 years experience in the repair, strengthening, and alteration of existing structures, as well as the design of new structures. He can be reached via email at flancaster@eypae.com.

STRUCTURE magazine