5 Year Anniversary of the YSB Topping Off Ceremony
![Photo credit, Joe Wolenski, MCDB beam with yale logo and signatures on it](https://mcdb.yale.edu/sites/default/files/03-01-23_2_signing_beam_initial_lift_march_1_2018_joe_wolenski_photo_1500px.jpg)
March 8, 2023
A tradition in the construction trade is for the last beam placed by iron workers to be painted white and signed by everyone involved in the project during a “topping-off” ceremony.
The final beam placed in the Yale Science Building was secured in place five years ago on March 1, 2018.