News & Events

Haag Welcomes Benjamin Irwin, P.E., New Engineer in Philadelphia

Haag Welcomes Benjamin Irwin, New Engineer in Philadelphia
"Haag is very pleased to welcome Benjamin Irwin to Haag,” said Justin Kestner, President/CEO. “He is an architectural engineer with more than 20 years’ experience. He is based outside of Philadelphia, and will help Haag better serve its clients in the Northeast, specifically expanding Haag's commercial and litigation services.”
Benjamin Irwin, P.E., DFE, CXLT, brings 20+ years' of diverse engineering experience.
  • Experience includes design, installed performance and distressed behavior of structural systems, bridges, building envelopes, foundations, temporary constructions, and modern and legacy building materials
  • Professional experience also has included construction; site engineering; architectural design; geotechnical repair design; safety and compliance evaluations; risk management; construction dispute and accident analysis; mold assessment and remediation; surveying and 3D scanning; building pathology and materials testing; and post-event remediation design, cost estimating, and construction management. 
  • Licensed P.E. in PA, NJ, NY, CT, MA, DE, MD, DC, VA, NC, SC, GA, FL, LA and TX
  • Litigation specialties include construction defects (with emphasis on exterior cladding failures such as stucco), safety evaluations for construction accidents and premises liability incidents
  • Testified as an expert on a wide variety of legal matters, including large/complex matters, such as housing developments, national business chains, high-rise buildings, and commercial complexes.
  • Dual degrees in Civil Engineering and Architecture from Lehigh University
  • Board Certified Senior Member of the National Academy of Forensic Engineers, holding the designation of Diplomate Forensic Engineer
  • Other professional certifications include CXLT (tribometry), LSI (ladders) and CRMI, CCMI, and CMR (mold); Level 1 Thermographer; Aerial Boom and Scissors Lift Operator; & Faro 3D Scanner Operator
  • Professional memberships include the National Council of Structural Engineering Associations (NCSEA); the Structural Engineers Association of Pennsylvania (SEAoP); the Delaware Valley Association of Structural Engineers (DVASE); the American Society of Safety Professionals (ASSP); ASTM International, where he is an F13 Committee Member; the National Society of Professional Engineers (NSPE); and the National Academy of Forensic Engineers (NAFE)
To contact Benjamin Irwin, P.E.: email or call 800-527-0168
For questions about any of Haag’s services or to find the right engineer or consultant for your assignment, please contact--
Business Development Manager, Northeast
508-210-6364  (cell)
Submit an Assignment:
800-527-0168 * 214-614-6500