Authorizing the chief executive officer to execute a contract amendment with AECOM to complete final design and provide design services during construction for the Mukilteo Station – South Platform project in the amount of $430,721, with a 10% contingency of $43,072 totaling $473,793 for a new total authorized contract amount not to exceed $3,106,200 pdf/about/board/motions/2011/Motion M2011-85.pdf pdf/about/board/motions/2011/Motion M2011-85sr.pdf