CC MEETING: August 20, 2024
DATE: August 12, 2024
TO: Erin Rinehart, City Manager
FROM: Jonathan Wheat, Director of Engineering
Krystle Boise, Director of Strategic Services
Title
Consider A Resolution Authorizing The City Manager To Negotiate And Execute Contract Change Amendment No. 1 With HDR Engineering, Inc. For The Localized Drainage Project Program Phase 1, In An Amount Not To Exceed $155,300.00, Increasing The Total Project Contract To An Amount Not To Exceed $1,137,742.00.
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BACKGROUND:
The City of Carrollton has an existing contract with HDR Engineering, Inc. for the evaluation and drainage improvements recommendations for five sites indicated by the City per the report prepared by Kimley-Horn, titled Localized Drainage Projects Prioritization Report. The existing design contract with HDR was approved by council on September 8, 2023. The Localized Drainage Project Program, Phase 1 includes the following scope: geotechnical investigation, section 404 environmental regulation permitting, ground survey, and providing final design plans for the specified five sites.
The five sites selected for the first phase of the project were chosen based upon their impact to residents and businesses, impacts to first responders, and alleviation of immediate flooding concerns that pose a threat life and property. The drainage system that serves Dentonshire Dr. was brought to the attention of the Engineering Department after the conclusion of the original report, and the residents at 2712 Devonshire Dr. have documented repeated damage to their property due to the existing drainage system in Dentonshire Dr. overflowing during moderate to heavy rain events. Currently, Public Works has placed sandbags along the sidewalk adjacent to the residence to assist in preventing water from entering the resident's property. As the site is experiencing immediate flooding issues that threaten the property, the Engineering Department has determined that the drainage system...
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