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Trusted Structural Engineering Solutions in Mercer Island, WA
At RFA Structural Engineers - Robert Fossatti Pe, we bring decades of expertise to every project, serving developers, architects, and property managers with precision and innovation. Our team specializes in structural engineering for mixed-use apartments, custom homes, retail spaces, hospitals, educational facilities, and industrial buildings. We handle all phases of new construction, including investigation, renovation, historical preservation, seismic upgrades, and repair of existing structures.

Our goal is to realize our clients' creative visions while delivering sustainable, cost-effective solutions. Using RevitStructures and AutoCAD, our in-house drafters ensure accurate structural analysis and documentation. We pride ourselves on seamless integration with project teams to meet deadlines and budgets, supported by a reputation for technical excellence and client collaboration built over years of service.
Services
Structural Engineering Seismic Upgrades Historical Preservation Structural Analysis Design Documentation
Highlights and features
  • We specialize in structural engineering for diverse project types, including seismic upgrades and historical preservation.
  • Our in-house team uses RevitStructures and AutoCAD for precise structural analysis and documentation.
  • We integrate seamlessly with project teams to ensure timely, budget-conscious delivery.
  • Decades of experience with Seattle's regulatory requirements streamline permitting processes.
  • Proven expertise in solving complex structural challenges for architects and developers.
What people say
Thoughtful and creative approach Valued industry partner Easy to work with Pivotal in projects
Services
Structural Engineering
We provide comprehensive structural engineering services for new construction and renovations. Our expertise spans commercial, residential, and public projects, ensuring code compliance and durability. Clients benefit from tailored solutions that balance creativity with technical precision.
Seismic Upgrades
Our seismic upgrade services enhance building safety in earthquake-prone regions. We analyze existing structures and implement reinforcement strategies to meet modern standards. This includes retrofitting historical buildings while preserving their architectural integrity.
Historical Preservation
We specialize in restoring historic structures using adaptive techniques that maintain original design elements. Our team addresses unique challenges like material sourcing and code compliance, ensuring longevity without compromising historical value.
Structural Analysis
Using advanced software like RevitStructures, we conduct detailed structural analysis to evaluate load capacities and identify weaknesses. This data-driven approach ensures accurate designs and cost-effective repairs for complex projects.
Design Documentation
Our in-house drafters create precise documentation for permits and construction. We utilize AutoCAD and Revit to produce clear, actionable plans that streamline project execution and minimize delays during building phases.
People
Pete Pawlak
President
With nearly 40 years of engineering experience, Pete Pawlak leads RFA Structural Engineers - Robert Fossatti Pe. He oversees projects personally, ensuring technical excellence and client satisfaction. His expertise spans structural design and historical preservation.
Ty Bartley
Vice President
Ty Bartley, a partner with 19 years of experience, specializes in commercial and public works projects. He joined Bartley Pawlak in 2012 and focuses on structural analysis and project management for national and international clients.
Mark LaCasse
CFO
Mark LaCasse, a founding partner, manages financial operations at Bartley Pawlak. With a background in finance and accounting, he ensures fiscal stability while supporting the firm's growth and project delivery capabilities.
Questions
What types of projects does Bartley Pawlak Structural Engineers handle?
We specialize in structural engineering for commercial, residential, healthcare, and public projects, including seismic upgrades, historical preservation, and mixed-use developments.
How does your team ensure project efficiency?
Our in-house drafters use RevitStructures and AutoCAD for precise analysis, while our engineers collaborate closely with project teams to meet deadlines and budgets.
Do you work on historical building renovations?
Yes, we have extensive experience in historical preservation, adapting structures to modern standards while maintaining their original character.
What areas do you serve?
We primarily serve Washington state, including Seattle and Tacoma, with select projects in Hawaii and beyond.