Tom & Billie Long Patient Care Tower at John Muir Medical Center

A Comprehensive Critical Care Center
Through the use of BIM, Clark has done excellent work coordinating subcontractor systems and ensuring minimal field conflicts.
Michael Monaldo, AIA, Vice President, Facilities Development and Corporate Real Estate, John Muir Health
Walnut Creek, California
John Muir Health
Additional collaborations with Ratcliff:
400,000 Square Feet
Year Completed: 

The 400,000 square-foot Tom & Billie Long Patient Care Tower added a five-story, 242-bed medical tower, a central utility plant, and an underground loading dock to John Muir Medical Center, Walnut Creek's existing campus. John Muir is a designated county trauma center.

The Tom & Billie Long Patient Care Tower is a steel-braced frame with concrete slab over metal deck with exterior finishes including curtain wall, storefront, punched windows, precast, stone, metal, and plaster systems. The main lobby features a skylight and glass rotunda. The tower's main roof supports a helipad and primary mechanical equipment. Roofs at lower levels feature gardens with trellises. Within the new tower, Clark built an imaging area, three operating room suites, pharmacy, kitchen, neonatal intensive care unit, post-partum unit, pediatric unit, critical care unit, emergency department observation unit, cath labs, and medical/surgical units. 

The facility was designed to foster healing. Gardens provide needed respite for patients, visitors, and staff. Most patient rooms are located on the perimeter of the building with views to the outdoors allowing natural light to enter the interior spaces.

Portions of the existing hospital were demolished to accommodate the new tower. Throughout construction, Clark collaborated with John Muir Health and other authorities to minimize impact to ongoing medical services and to ensure the most critical services—the helipad and emergency room—were never disrupted. Street work, including widening, upgrading traffic controls, and landscaping to the main road artery and the main access road to the hospital, was performed without ever fully closing off the roads to vehicle traffic.


During the preconstruction phase, the project team managed the multi-layer coordination needed for document review, permit process, coordination with the Owner and public agencies, and site mobilization planning. Clark’s proactive planning led to a smooth transition into construction with no permit, utility or site delays, and full coordination with all stakeholders. The Clark team reviewed and coordinated all document changes and performed constructability studies including site utility, site civil, room finish schedule, ceiling tile drawings, toilet accessory schedule, door schedule, medical equipment, and expansion joint review.

Clark developed specific proactive plans, including a Demolition Avoidance Plan, and a badging process for the project. The team also coordinated with Vice President of Facilities and established detailed helicopter coordination to ensure zero disruptions of services. Clark managed the city and agency coordination and permits process including a Walnut Creek business license, city of Walnut Creek site development permit, site and trailer permits including electrical, phone lines, and water and sewer service.

Clark also introduced BIM for medical equipment coordination during the preconstruction phase.


The project addresses seismic safety standards mandated by SB-1953 with a structural steel building frame with 160 buckling-restrained braced frames to provide increased seismic performance and reduce the likelihood of earthquake damage. The system is known as “resilient bracing” and also reduces overall use of steel by 25 percent compared with conventional systems. The hospital is able to withstand major seismic events and remain fully operational, which is key to John Muir Health’s role as the designated trauma center for Contra Costa and parts of Solano counties.

AGC of California - Constructor Award, Meeting the Challenge of a Difficult Job
ENR California - Best Healthcare Project, Award of Merit