Petar Plemic

Principal and Director of International Operations


Petar Plemic joined WJE in 1989 and has since performed over three hundred assignments involving the evaluation of existing structures and the development of repair designs. He has extensive expertise in building envelope assessment and repair for both contemporary and historic structures. Mr. Plemic’s experience includes concrete, masonry, and terra cotta facades; curtain walls; and windows for buildings of all types including office, hotel, museum, multifamily residential, courthouse, and religious facilities.

Mr. Plemic has also provided numerous investigative services, repair designs, repair cost estimates and life cycle cost analyses for parking structures and plazas.

Prior to joining WJE, Mr. Plemic was employed for eight years by the largest design-build company in former Yugoslavia. While there, he was responsible for bridge design, the on-site project execution and contract document preparation for new construction, as well as the investigation and rehabilitation of existing structures.


Building Envelope Assessment

  • Citicorp Building - Chicago, IL: Assessment and repair design of roofs and curtain wall, ADA vestibule design
  • Chase Plaza - Chicago IL: Assessment of glass-metal curtain wall and historic terra cotta
  • Bank One - Chicago, IL: Structural repairs to support thick granite cladding
  • 190 S. LaSalle Street Building - Chicago, IL: Structural assessment of granite curtain wall
  • One Illinois Building - Chicago, IL: Structural evaluation and remedial design for metal cladding
  • Kungshuset Building - Stockholm, Sweden: Investigation and design of repairs for marble façade
  • Marriott Rive Gauche - Paris, France: Concrete facade material evaluation
  • Romaest Shopping Mall - Rome, Italy: Facade and material evaluation and repair recommendations
  • Eco Sapucai - Rio de Janeiro, Brazil: Evaluation of glass curtain wall, redesign connections and waterproofing details
  • Opernturm - Frankfurt, Germany: Evaluation of curtain wall details
  • O2 Building - Munich, Germany: Evaluation of glass curtain wall at ceiling interface to wind-induced vibration, and repair recommendations  


Historic Preservation

  • SBC Building - Milwaukee, WI: Historic terra cotta restoration and preservation
  • Marshall Field Building - Milwaukee, WI: Structural analysis and development of supplemental supports for terra cotta
  • Miami-Dade County Courthouse - FL: Investigation, testing, repair documents for historic terra cotta facade and plaza
  • Westin Vendome - Paris, France: Investigation and assessment of historic limestone and concrete facade


Repair and Rehabilitation Design

  • Millennium Park - Chicago, IL: Structural investigation, analysis, and repair recommendations for post-tensioned parking structure
  • Bala Two Plaza - Bala Cynwyd, PA: Parking garage and plaza rehabilitation; vibration monitoring
  • Anheuser Busch Parking Structures - St. Louis, MO: Nondestructive testing and repair of post-tensioned structures repairs
  • Riverplace - Minneapolis, MN: Underground post-tensioned parking structure rehabilitation
  • Arab Potash Company Processing Plant - Safi, Jordan: Investigation and repair with glass fiber reinforcing polymer bars


Structural Evaluation and Testing

  • Chancellory Complex - Itasca, IL: Structural rehabilitation of precast and post-tensioned concrete garages, volume change monitoring and remedial design
  • Via Parque - Rio de Janeiro, Brazil: Investigation, nondestructive evaluation testing and structural evaluation of building framing
  • Ras Tanura Refinery - Saudi Arabia: Assessment of sea channel structures
  • Yanbu Refinery - Saudi Arabia: Evaluation of concrete and corrosion for berth structures
Professional Affiliations

American Concrete Institute (ACI)
American Society of Civil Engineers (ASCE)


University of Belgrade
Bachelor of Science, Structural Engineering, 1982

Illinois Institute of Technology
Master of Science, Civil Engineering, 1990

Northwestern University, Kellogg School of Management
Master of Business Administration, 2003