Campus Closure The University of Colorado at Â鶹ӰԺ will close at noon today, Thursday, April 24, except for essential services and the engineering college lab dedication, which will proceed as scheduled, according to Interim Chancellor Richard Byyny. Because essential services will be maintained, employees should check with their supervisors or department heads for instructions. Also, the dedication of the Intergrated Teaching and Learning Laboratory, scheduled for this afternoon, will proceed as planned, university officials said.