Diagnostic & Treatment

Barnes Jewish Hospital Proton Therapy Facility

OWH was selected to design the Proton Therapy Facility for Barnes Jewish Hospital in tandem with the development of a new and smaller proton therapy system. OWH provided the technical and design expertise for the new facility that was constructed within the lower level of the North Parking Garage of BJC’s Barnes Jewish Hospital campus while the device was being developed. Radiation oncologists and physicists at Washington University School of Medicine in St. Louis worked with Mevion to develop and refine the proton therapy technology which is now fully operational and the only proton therapy within a 300 mile radius of St. Louis

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01 Special Features & Challenges

The design of this facility was undertaken at the same time the equipment vendor was completing the design and FDA approval of their compact Proton Therapy system, which proved to be challenging when dealing with the use of heavyweight concrete in the vault design for shielding as well as the tight tolerances required for the equipment. Several site challenges were also encountered with the mass rock removal within a post tensioned concrete garage structure and the adjacent hotel requiring underpinning of both structures.

02 Location

St. Louis, MO

03 Completion Date

Construction completion April 15, 2010; Equipment Installation / Operational in October 2012

04 Square Footage


05 Services

Programming, Equipment Planning and Technical Coordination, Schematic Design, Design Development, Contract Documentation, Bidding and Negotiation, Construction Administration, Interior Design