City Council Meeting Date: May 26, 2026
Date: May 14, 2026
To: Erin Rinehart, City Manager
From: Jonathan Wheat, P.E., Director of Engineering
Shannon Hicks, P.E., Assistant City Manager
Title
Consider A Resolution Authorizing The City Manager To Negotiate And Execute Contract Amendment No. 5 With Walter P. Moore And Associates, Inc., For the Citywide Flood Mapping Study In An Amount Of $36,700.00, Increasing The Total Amount Not To Exceed $1,057,460.00.
Body
Background:
This contract, which was initially approved by the City Council on January 18, 2018 in the amount of $735,380.00, provided for a city-wide floodplain study to allow for the update of all FEMA Flood Insurance Rate Maps and design and install a flood warning system. Since the floodplain study was initiated, all streams and tributaries in Carrollton are in the process of being assessed via hydrologic and hydraulic analysis. Additionally, the consultant, Walter P. Moore, is tasked with coordinating with various entities to ensure that the analysis is performed according to standards as set forth by NCTCOG, the US Army Corps of Engineers, FEMA, and the City of Carrollton's own Flood and Stormwater Ordinance. Previously, this contract has been amended three times before:
* Amendment No. 1 - put in place in February 2019 to remove scope pertaining to duplicate mapping efforts from a concurrent project (contract change of -$1,240 to a total of $734,140);
* Amendment No. 2 - put in place in October 2020 to add additional scope for various coordination with federal and local entities and more detailed flood mapping in residential areas (contract change of $89,420 to a total of $823,560).
* Amendment No. 3 - put in place in August of 2021 to add additional scope for more detailed flood modeling in areas that are prone to flooding and are in the immediate vicinity of businesses and residential homes near the Country Place subdivision (contract change of $27,800 to a total of $851,360).
...
Click here for full text