RI population, per 2023 census: 1,095,926
Office floor space in ESB: 2.7 million square feet
Taking these as face value, and assuming the building doesn't collapse, I think we could cram in one person per 2 square feet
different crowd densities compared, 1 person per 2 square feet is about 5 people per square meter. Thats about the safe limit if every stays claim.
https://edition.cnn.com/interactive/2021/11/us/crowd-density-dangerous-warning-signs/