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John Muir Medical Center, Walnut Creek, CA.

Owner:  John Muir Health.
Architects: Ratcliff, Emeryville, CA.
Structural Engineers:  ARUP, San Francisco, CA.
MEP Engineers: Mazzetti and Associates, San Francisco, Ca.

Project size and scope: 420,000 sf, 6-story Hospital and Central Plant expansion.
Construction Cost:  $300 million

The BIM Process

small image

View By View provided the BIM model for Architectural and Structural.  Worked with Clark Construction, the GC  providing ongoing, development and maintenance of the architectural and structural building model for coordination with mechanical, electrical, plumbing, framing and other trade models. The primary purpose of the work was to coordinate the building and trade models to resolve and prevent conflicts in the field and to help ensure the smooth flow of construction and minimize rework. This has included detailed remodeling of the structure according to the steel shop drawings, detailing of the ceiling support framing for mechanical coordination, modeling and coordination of kingstuds and header details in the partition walls, and detailed modeling and updating of exterior bracing and equipment supports. This process also included the ongoing reviews, coordination and updating of the building model from shop drawings,  ASI’s, CO’s, and RFI’s as well as incorporating field measurement of as-built conditions over the course of construction. The BIM  was  also used to develop and resolve RFI’s with changes noted and tracked by date and RFI number within the model


This new construction is taking place if front of the existing hospital.  The Central Plant is not shown in this image.


Cross section showing one of the vertical mechanical shaft.


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