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[New Construction Efficient, elegant structural systems for ambitious new buildings. ](/our-services/new-construction)[Historic Preservation Careful intervention that keeps landmark buildings standing and in use. ](/our-services/historic-preservation)[Renovations | Additions | Adaptive Reuse Renovations, additions and adaptive reuse that unlock existing structures. ](/our-services/renovation)[Building Envelope Facade, roof and waterproofing assessment for durable enclosures. ](/our-services/building-envelope)[Structural Investigation | Intervention Investigation, testing and repair strategies for troubled structures. ](/our-services/structural_investigation_intervention)[Sustainability Low-carbon structural design guided by our SE2050 commitment. ](/our-services/sustainability)

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# Raphael de Lassus, PE

Project Manager

## About Raphael

Raphael has over 8 years of professional engineering experience. He has extensive experience in structural analysis and design of new construction, existing structures, and historic buildings encompassing steel, wood, masonry, concrete, and aluminum. Recognized for his strong technical abilities and strong communication skills which guides him while working alongside his team and clients. He has developed an interactive interface to create more accurate and cost-effective designs, designed 100+ temporary structures, including projects for the United States Capitol, The Library of Congress & the Cannon House of Office Building, in which he performed complex structural design and analysis.

Some of Raphael’s current projects include Penn Presbyterian Medical Center Wright Saunders building renovations, Sackett Building Renovation, Bucknell Larrisson Hall Renovation, Woodmere Hall Renovation, Hershey Conservatory Addition.

Outside of work, Raphael enjoys spending time with his wife and his two children.

## Notable Project Experience

-   Frances M. Maguire Hall | Woodmere Art Museum | Philadelphia, PA
-   Penn Presbyterian Medical Center | University of Pennsylvania | Philadelphia, PA
-   Swatara Building | The Pennsylvania State University | Harrisburg, PA
-   Trinity Street Building 18-20 and 30 | Hartford, CT
-   Sackett Building Renovation | The Pennsylvania State University | University Park, PA
-   Larison Hall Renovation | Bucknell University | Lewisburgh, PA

## Professional Activities

-   seaop (formerly dvase) , Member
-   SE2050 Sustainability, committee member

## Social

[Linkedin](https://www.linkedin.com/in/rapha%C3%ABl-de-lassus-p-e-74212721b/)

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## Let's Discuss Your Next Project

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## Expertise

-   [New Construction](/our-services/new-construction)
-   [Historic Preservation](/our-services/historic-preservation)
-   [Renovations | Additions | Adaptive Reuse](/our-services/renovation)
-   [Building Envelope](/our-services/building-envelope)
-   [Structural Investigation | Intervention](/our-services/structural_investigation_intervention)
-   [Sustainability](/our-services/sustainability)

## Philadelphia

1635 Market Street, Suite 1705

Philadelphia, PA 19103

[(215) 625-0099](tel:2156250099)[mail@keasthood.com](mailto:mail@keasthood.com)

-   [Careers](/careers)
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