my name is joe chen, public works program manager for 2016 health and safety bond program joined by [indiscernible] department of public health. we have [indiscernible] jackson, interim deputy chief operation officer, capital project oversight advisor and jason capital planning director. here toprint on the zuckerberg san francisco general building 5 seismic up grade and renovation contract. sorry. public works is requesting commission consideration and approval to approve increase to the contract cost and duration contingency and authorize public works to approve future modification for this contract. the revised contract amount is at 94 million, 662 thousand, 958 dollars and 9 cents which includes all approved change orders to date. public works is requesting commission approval to increase the construction cost contingency by 25 million 923 thousand 76 dollars. the duration by 572 consecutive days. public works requesting approval to increase the contract contingency to allow the completion of the bidding and buy out and execution of change orders to complete the projects. all proj