mr. part patrick. any other m members for public comment? thank you no comment. item is closed. next comment? item? >> update and vulnerability assessment in the construction document. >> directors will be part on this item? >> thank you, chair. executive members, board. bob with p a. i want to provide you on an update today on two aspects of the design flt . in the past 2 board meetings we've updated you on the project. in the meantime the design team is making good problem on the construction documents and there are two aspects of the design which we felt was important to seek guidance from the board. the first is value of engineering of the w 1 awning system and the rba design guidance criteria in the construction document preparation and i will speak more on that after fred presents. >> thank you, bob. good morning directors. my name is fred clark. i'm a senior design principle architect for the transit center. we want today to bring you into discussion and development of the exterior wall of the building changing from glass to exterior wall. it's a change. the critical issu