Item Coversheet

City Council Meeting
4/11/2023
Agenda Item Transmittal

 Agenda Item: 11.

 Agenda Title: Presentation by HDR regarding the low water crossing bridge on Great Divide Drive including discussion and possible action

 Council Action:
 Discuss and Consider Action

 Department: Engineering

 Staff Contact: Kevin Sawtelle and Clint Garza


1. INTRODUCTION/PURPOSE


HDR will present preliminary findings related to the drainage analysis and the local floodplain effects associated with the low water crossing improvements.




2. DESCRIPTION/JUSTIFICATION

a) Background


On September 9, 2021, City Council awarded the contract for the design of improvements to Great Divide Low Water Crossing to HDR.

 



b) Issues and Analysis

HDR has concluded in their detailed design work that the 10-year bridge option as approved by Council causes the flood waters to rise on neighboring properties in 100-year storm events.  HDR will discuss these findings along with potential alternative crossing solutions.

3. FINANCIAL/BUDGET

Amount Requested Fund/Account No. 
Cert. Obligation GO Funds
Other source Grant title
Addtl tracking info 

4. TIMELINE CONSIDERATIONS



5. RECOMMENDATION


ATTACHMENTS:
DescriptionType
Interlocal AgreementBackup Material