materials upper right the cdr building 600 is built.art of that project they developed a tear cota, metal panel. dark gray and the light gray is concrete and fiber assessment. we have samples here of those materials. it was approved and to implement throughout the campus. based on our program or site. and the weight of tear cota is heavy and it puts weight on found anticipation. we a a folded metal panel system the comfortable tear cota. so that it lightens the waste building and the foundation will be less expensive and robump image on the left is the -- our building. gerold avenue am you seat tear cota color relate to the building 600. number one is the folded metal panel. we have solar fins on the gerold avenue to control and on the northwest side so what -- control the game as well where employee amenities are at. precast on the base the assessment approved was not robust at the street level. we are using precast and similar color that is more robust for the street level. several class types for responding to daylight but no views.