RESOLUTION AWARDING A CONSTRUCTION CONTRACT TO CUSTOM BUILDERS, INC. FOR THE BASE BID AMOUNT OF $1,329,618.00, ACCEPTING ADD ALTERNATES NOs. 1, 2, AND 3 IN THE AMOUNT OF $9,440.00, $25,000.00, AND $78,650.00 RESPECTFULLY, FOR A TOTAL BID AWARD AMOUNT OF $1,442,708.00, FOR THE RIVERSIDE PARK SITE IMPROVEMENTS PROJECT, BID EVENT MPLMN #3019, PENDING REVIEW BY THE CITY OF MINNEAPOLIS FINANCE AND PROPERTY SERVICES - PROCUREMENT DIVISION AND MINNEAPOLIS CIVIL RIGHTS DEPARTMENT, AND FURTHER AUTHORIZING ADMINISTRATIVE USE OF 10% CONSTRUCTION CONTINGENCY UP TO $144,270.80 FOR NECESSARY CONSTRUCTION CHANGE ORDERS THAT MAY ARISE WITH THE CONTRACT