25-2017: A resolution approving a proposed Third Amendatory Agreement between the City and County of Denver and CH2M Hill Engineers, Inc. to provide continuing program and critical project management services in support of the delivery of the National Western Center Program. Amends a contract with CH2M HILL ENGINEERS, Inc. to add $48,725,000.00 for a new total of $131,975,000.00 and add five years for a new end date of 1-31-2032 to provide continuing program and critical project management services in support of the delivery of the National Western Center Program: closeout of Phases 1 & 2, continuing campus development, and community engagement, planning, and enabling services for The Triangle, in Council District 9 (PWADM-201632012/DOTI-202581795-03). The last regularly scheduled Council meeting within the 30-day review period is on 1-12-2026. The Committee approved filing this item at its meeting on 12-10-2025.