Title
Engineering Services contractors for Floodplain Mapping
Action
ACTION:
Authorize the County Manager to negotiate fees and execute professional services contracts in support of Floodplain Mapping between Mecklenburg County and the selected engineering firms.
Staff Contact: Mathew Hornack, LUESA- Storm Water Services
Presentation: No
BACKGROUND/JUSTIFICATION:
In 1997, Charlotte-Mecklenburg Storm Water Services (CMSWS) began countywide flood hazard data and floodplain mapping studies which became effective on February 4, 2004. The 2004 Flood Insurance Rate Maps (FIRMs) and Flood Insurance Study (FIS) provided state-of-the-art technical and mapping information in Mecklenburg County at the time of issuance. Since 2007, CMSWS has been maintaining the maps as new development and redevelopment occurs. Additional remapping efforts became effective in 2014, 2015 and 2018.
CMSWS has determined that the data used to build the effective models and maps is out of date (topography, land-use, etc.). Additionally, new and improved flood model technology has gained acceptance. Staff seeks Board of County Commissioners’ approval to initiate the map update process along with updates to the associated mapping standards guidance document. This project plans to update modeling and mapping for Phase 1 watersheds as shown in Attachment A. The watershed phasing selected for remapping is based on the age of the effective study, the amount of development within the floodplain of the watershed, population growth, and other factors that could impact hydrology and hydraulics.
This project will be funded from the storm water capital budget and may be supported by federal grants pending the release and availability of FEMA funding opportunities.
PROCUREMENT BACKGROUND:
A Request for Qualifications (RFQ) for Professional Services was advertised on March 4, 2026 through North Carolina’s purchasing website (NCeVP). The RFQ was also advertised in The Charlotte Obs...
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