C-5. 25-1303 CC - CONSENT ITEM: (1) Adoption of an Addendum to the Initial Study/Mitigated Negative Declaration for the Washington Boulevard Stormwater and Urban Runoff Diversion Project, PR001; (2) Award of Construction Contract to Stacy & Witbeck, Inc., as the Lowest Responsive and Responsible Bidder, in the Amount of $14,459,640 for the Washington Boulevard Stormwater and Urban Runoff Diversion Project, PR001 and Median Improvements, PS020; (3) Authorization to the Public Works Director to Approve an Additive Bid Item to the Contract in an Amount Not-to-Exceed $2,332,000 Subject to Grant Funding Becoming Available; (4) Authorization to the Public Works Director to Approve Change Orders to the Contract in an Amount Not-to-Exceed $2,518,746 to Cover Contingency Costs; (5) Approval of an Amendment to the Existing Professional Services Agreement with Michael Baker International for Construction Management & Inspection Services in an Amount Not-to-Exceed $400,000; (6) FOUR-FIFTHS VOTE REQUIREMENT: Approval of a Related Budget Amendment Appropriating $2,000,000 from Clean Water/Clean Beach (Fund 434) Fund Balance to PR001; and (7) FOUR-FIFTHS VOTE REQUIREMENT: Approval of a Related Budget Amendment Appropriating $2,490,000 Costco Wholesale Corporation Cost Share to PR001