Buildings & Structural Design
Residential, mixed-use, commercial, industrial, and agricultural buildings—from single-family homes and townhomes to multistory structures. Additional scope includes retaining walls, patio and yard decks, and fences.
Buildings / Structures / Sites
Structural, Civil & Geotechnical Engineering
Piotr L. Sawinski, PhD, PE, PEng
Engineering design for residential, mixed-use, commercial, industrial, and agricultural projects—from new construction to additions, renovations, and modifications to existing structures.
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Scope of services
Engineering for buildings, structures & sites.
Renovations & Alterations
Renovations, additions, changes of use, new openings, wall removals, and demolition-related structural engineering.
Specialized Structural Services
Underpinning, support of excavation (SOE), and MTA approval drawings. Finite element modeling (FEM), nonlinear analysis, and dynamic load analysis. Engineering solutions for non-typical structural problems.
Civil & Geotechnical
Driveways, loading stations and access points; drainage and grading; stormwater management; foundations and piles; bridges, pedestrian overhead passages, and railroad-related work.
Professional experience
Building design. Complex structural conditions.
Mid-rise structures
Over 250 structures of six stories or more designed as principal structural designer.
Vertical & horizontal extensions
New floors atop existing buildings, floor-area additions, new cellars, decks, solar panels, column relocation, and new openings.
Deep excavation protection
Support of excavation (SOE) for deep excavations in dense urban environments, including underpinning, secant walls, sheet piling, and conventional soldier-beam-and-lagging walls.
MTA Approval
More than 20 projects in close proximity to elevated and underground MTA structures.
Post-fire assessment
Experience assessing the structural condition of buildings following fire damage.
10 U.S. states / Ontario, Canada
Professional registrations
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Individual professional engineering registrations
United States
- ColoradoPE 56789 ↗
- FloridaPE 90241 ↗
- IowaPE P25043 ↗
- MinnesotaPE 58547 ↗
- New YorkPE 101403 ↗
- North CarolinaPE 054973 ↗
- North DakotaPE-28128 ↗
- South DakotaPE 14323 ↗
- TexasPE 140572 ↗
- WisconsinPE 49547 ↗
Canada
- OntarioPEng 100527185 ↗
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Selected projects
Explore the work.
A selection of projects from my structural engineering experience. The map shows selected projects only, not a complete project history. Some locations are approximate to respect project confidentiality.
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Discuss your project.
Contact me with a brief description of your project, its location, and the engineering assistance you need.