21-1484: A resolution approving a proposed Amendatory Agreement between the City and County of Denver and J.M.G. Concrete Services, LLC to add compensation and a new end date for on-call bridge and structural construction services, citywide. Amends a contract with J.M.G Concrete Services, LLC by adding $2 million for a new total of $5 million and two years for a new end date of 3-31-24 for on-call bridge and structural construction services, citywide (202161128-01; 201947270-01). The last regularly scheduled Council meeting within the 30-day review period is on 1-10-22. The Committee approved filing this item at its meeting on 12-7-21.