16. (18-1069) Recommendation to authorize City Manager, or designee, to execute an amendment to Contract No. 34867 with Sully-Miller Contracting Company, Brea, CA, to increase the contract authority by $488,498, for a revised amount of $3,364,723, with a 5 percent contingency in the amount of $168,237, for a revised total contract amount not to exceed $3,532,960, due to unforeseen conditions on the Willow Street Pedestrian Improvements Project. (Districts 6,7)