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Chen NRB Project Update
January 24, 2020

Through February 14, the Design Build Contractor will continue to install the new roof at Chen. The installation requires the use of an applied hot asphaltic material that produces a typical "hot mop" smell.

We understand this is a "nuisance" to the Caltech community and surrounding neighbors; therefore we have taken some precautionary steps to monitor the activities during days where the weather may cause the smell to travel further than usual. If you have any questions or concerns, please contact the Department of Environment, Health, and Safety at extension 6727 or Teo Sierra, Sr Project Manager D&C Facilities x6258