Banner Boswell Emergency Department Expansion and New Patient Tower
Sun City, AZ
This new 322,000 SF expansion consisted of a new emergency department, six-story patient tower, interstitial floor with retail spaces, an observation area, catheterization lab, lobby, and connecting corridors. The project utilized an Integrated Lean Project Delivery method and incorporated prefabricated building elements, resulting in both reduced costs and construction time. Specific prefabricated elements included the interior partition walls and the ER exam room headwalls complete with MEP components. The project team was co-located on site and utilized Pull Planning, A3 Documentation, and Choosing by Advantages, which drove progress and helped the project finish on time and on budget.

Quick Facts
- Size: 322,000 SF
- Architect: HMC Architects
- The management of this project relied on Lean Construction concepts to work through design decisions and schedule the work.
- Construction Cost: $120,600,000
- Contractor: McCarthy Building Companies, Inc.
- A3s were generated to study possible structural frame systems. The Choosing by Advantages process was used to select the final structural system.
Photo credit: Lawrence Anderson Photography