Isaac J. Mulder

Associate III


Isaac Mulder joined WJE in 2019 and has been involved in numerous projects related to structural engineering, including condition assessments, field investigations, structural evaluations, and the repair and rehabilitation of existing structures. He has primarily worked with structural systems consisting of reinforced concrete, steel, wood, and masonry.

Mr. Mulder has experience with evaluating and testing existing facade access and fall protection systems and designing new systems installed as a retrofit to existing structures.





Facade Access

  • 515 North State Street - Chicago, IL: Design and load testing of supplemental rooftop anchorages for facade access and fall protection
  • Various High-Rise Office Buildings - Chicago, IL: Load testing of existing davit bases and anchorages for facade access
  • Northwestern Memorial Healthcare - Chicago, IL: Annual OSHA-required visual inspection of certified facade access equipment for various buildings


Concrete Structures

  • High-Rise Condominium Building - Surfside, FL: Structural condition assessment of post-tensioned concrete building and below-grade parking structure
  • Soldier Field - Chicago, IL: Annual condition assessment of historic concrete structure
  • Ryan Field - Evanston, IL: Condition assessment and repair design for concrete structure


Structural Analysis

  • Mid-Rise Apartment Building - Wilmette, IL: Analysis of wood-laminated veneer lumber header beams exhibiting excessive deflection under service loads
  • Chicago Transit Authority, Irving Park Transit Station - IL: Analysis of existing steel canopy framing for temporary rigging loads during replacement of existing escalators


Repair and Rehabilitation

  • The Salvation Army - Midwest U.S.: Condition assessment and repair recommendations for various structure types
  • Mid-Rise Condominium Building - Skokie, IL: Design and implementation of structural and architectural repairs for steel-framed exterior balconies
  • The Salvation Army Adult Rehabilitation Center - Davenport, IA: Condition assessment and repair of fire-damaged precast wall panels


Structural Metals

  • H Kramer & Co. Foundry - Chicago, IL: Analysis and design of reinforcement for existing structural steel elements due to severe deterioration
  • Low-Rise Office Building - Milwaukee, WI: Analysis and design of reinforcement for open-web, cold-formed steel joists to support new mechanical loading


Wood Structures

  • Wood-Framed Fertilizer Storage Domes - QC, Canada: Investigation of roof collapse and condition assessment of remaining domes
  • Mid-Rise Apartment Building - Kansas City, MO - Condition assessment and repair recommendations for wood-framed balconies
  • St. Anne Catholic Church - Dixon, IL: Analysis of fractured double-tapered curved glulam beams


Facade Assessment

  • Various Buildings - Chicago, IL: Annual facade ordinance inspections

University of Michigan
Bachelor of Science, Civil Engineering, 2018
Master of Science, Civil Engineering, 2019