Chiller replacement

The chiller replacement project has begun. Two large holes were core drilled today. Here are two views from a 3rd floor office looking upward:




Here are the same two holes from the 4th floor (penthouse) side:



The next two pictures show the equipment used to drill the holes:




This picture shows the equipment to be replaced:



The last two pictures for today show some of the parts and other equipment in the penthouse: