21-1113: A resolution approving a proposed Amendatory Agreement between the City and County of Denver and Halcyon Construction, Inc. to add compensation and two years for a new end date for on-call construction services citywide. Amends a contract with Halcyon Construction, Inc. by adding $5 million for a new total of $10 million and two years for a new end date of 1-27-24 for on-call construction services including roof replacement, mechanical upgrades, lighting retrofit, concrete and asphalt replacement, and other services for municipal building projects, citywide (DOTI-202160187-01; 201845909-01). The last regularly scheduled Council meeting within the 30-day review period is on 11-8-21. The Committee approved filing this item at its meeting on 10-5-21.