Demolition of two 12 story buildings and one 8 story building and excavation for new 3 level below grade parking garage. We use a Hitachi 850 high reach demolition machine to demolition the buildings. We used a group of excavators, up to Komatsu PC400 in size, to demolish below grade parking garage and excavate for new parking garage. This job was contracted with Whiting-Turner Contracting.