23-1247: A resolution approving a proposed Third Amendatory Agreement between the City and County of Denver and Wilson & Company, Inc., Engineers & Architects to allow completion of the preparation of a Letter of Map Revision, which is a post-construction analysis of any changes to the floodplain mapping related to the Larimer Street bridge over Cherry Creek, in Council District 10. Amends a contract with Wilson & Company, Inc., Engineers & Architects by adding 418 calendar days for a new ending date of 12-31-2024 to allow completion of the preparation of a Letter of Map Revision (LOMR), which is a post-construction analysis of any changes to the floodplain mapping related to the Larimer Street bridge over Cherry Creek, in Council District 10. No change to contract amount. (DOTI-202369965-03/DOTI-202055806-03) The last regularly scheduled Council meeting within the 30-day review period is on 10-23-2023. The Committee approved filing this item at its meeting on 9-19-2023.