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Business Details
We are Structural Design Associates, a Chester County-based structural engineering firm with over 60 years of collective industry experience. Our team of Professional Engineering (P.E.) certified engineers holds B.S. or M.S. degrees and specializes in delivering high-quality, cost-effective solutions. We excel in new construction, rehabilitation, and structural repurposing projects, ensuring seamless integration into design and development processes. Our engineers possess deep expertise in diagnosing structural issues, implementing remediation plans, and maintaining cost containment for clients. We serve a diverse clientele, including universities, government entities, contractors, and homeowners, providing tailored engineering support.

Our Principal Andrew Scheerer brings 25+ years of experience, including expert witness testimony on structural and waterproofing matters. Associate John McCormick contributes specialized skills in facade restoration, fire damage assessment, and historic building rehabilitation. Project Manager Eric Arendt leverages 20+ years of construction management experience to streamline project execution. We maintain full transparency in our processes, utilizing advanced large-format plotters, scanners, and color printers for precise documentation. Our commitment to client satisfaction drives our partnerships, ensuring projects meet technical standards and budgetary constraints.
Highlights and features
  • We have over 60 years of collective structural engineering experience.
  • Our engineers hold P.E. certifications and advanced degrees in engineering.
  • We provide expert witness services for structural and waterproofing litigation.
  • Our team utilizes advanced large-format documentation equipment for precision.
  • We maintain transparent cost-containment practices for all engineering projects.
Services
New Construction
Our new construction services provide structural frameworks for residential, commercial, and institutional buildings. We work with architects, developers, and contractors to create safe, code-compliant designs. Clients benefit from our technical expertise in optimizing material usage and construction efficiency while maintaining budget constraints.
Rehabilitation
Our rehabilitation services diagnose and repair structural issues in existing buildings. This includes damage assessment, material restoration, and code compliance updates. Property managers and homeowners gain peace of mind through our proven remediation techniques that extend building lifespans while controlling costs.
Repurposing Structures
We specialize in adaptive reuse of existing buildings for new purposes. Our engineers assess structural integrity and design modifications that preserve historical elements while meeting modern requirements. Developers and municipalities benefit from sustainable solutions that reduce construction waste and costs.
Historic Preservation
Our historic preservation services maintain structural integrity while respecting architectural heritage. We work with government entities and property owners to restore facades, repair foundations, and implement waterproofing systems. Clients receive compliant, durable solutions that honor historical significance.
Expert Consultation
We offer expert witness and consultation services for structural litigation. Our engineers provide court-admissible analysis of waterproofing failures, facade defects, and other structural issues. Legal professionals and property owners benefit from our objective, technically sound testimony and reports.