Marin Veterans’ Memorial Auditorium Seismic Retrofit & Other Building Systems Improvements
Description
This project will seismically retrofit the Marin Center VMA to mitigate risks to the occupants of facility in the event of a major seismic incident at the site. The improvements are designed to elevate the structural seismic performance to a level that meets the current code standards for life and safety. Project scope of includes strengthening of the theater stage roof diaphragm, strengthening of the stage walls, bracing of the suspended control room, and bracing of the plaster ceilings. In addition, the project will include reroofing above the theater stage.
While the building has been closed for the Seismic Retrofit project, an Investigative Report was prepared to evaluate the rest of the VMA building structure and systems. The report concluded that the building’s perimeter foundation is structurally sound, and that the elements supporting the domed roof are performing as designed. However, the subgrade below the building has settled significantly. The settlement has damaged the floor slabs, internal sewer and roof drain plumbing, and electrical systems. The report also indicated that the emergency egress lighting system does not meet current code requirements and noted several other electrical and mechanical deficiencies.
In order to ensure the VMA is safe for public use when it reopens, a separate project is being planned to address the ground settlement and building systems deficiencies as soon as the work on the Seismic Retrofit project is completed. This will require the building to remain closed through at least the fall of 2025.
Timeline
September 2020
- The Marin County Board of Supervisors accepted FEMA Hazard Mitigation Grant funding for project design.
October 2020
- The Marin County Board of Supervisor awards a contract for engineering services and the design phase is initiated.
December 2021
- Project design is complete.
May 2022
- The Marin County Board of Supervisors accepts FEMA Hazard Mitigation Grant funding for project construction.
February 2023
- The Marin County Board of Supervisors accepts supplemental FEMA Hazard Mitigation Grant funding for project construction.
- The Marin County Board of Supervisors approves the plans and specifications and authorizes the project to be advertised for bids.
June 2023
- The VMA was closed to the public and construction began on the seismic retrofit work.
August-November 2023
- Investigation of other VMA building systems occurred. Report and recommendations for repairs to systems are provided to County of Marin.
Spring 2024
- Construction on the seismic retrofit work is anticipated to be completed.
- Additional systems repair work and improvements are scheduled to begin.
Fall 2025
- It is anticipated that the VMA will be closed for repairs through at least fall 2025.