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ATTACHMENT 2 <br />JLA Geosciences, Inc. <br />HYDROGEOLOGIC CONSULTANTS <br />1907 Commerce Lane, Suite 104 <br />Jupiter, Florida 33458 <br />(561) 746-0228 <br />fax (561) 746-0119 <br />TECHNICAL MEMORANDUM <br />To: Gustavo Vergara, CPRE <br />Parks, Recreation & Conservation <br />Operations and Programs Assistant Director <br />1590 9th St SW <br />Vero Beach, FL 32962 <br />From: Jon Friedrichs, P.G. <br />JLA Geosciences, Inc. <br />Re: Indian River County, Parks, Recreation & Conservation Department, North County Pool Heat <br />Exchange System UFA Supply Well Sand Investigation, Exploratory Video, Testing, & <br />Recommendations <br />Date: November 27, 2024 <br />SUMMARY <br />This report documents the scope of work and services provided by JLA Geosciences Inc. (JLA) during the <br />Investigation and testing of one (1) Upper Floridan Aquifer.(UFA) supply well for Indian River County, <br />Parks, Recreation & Conservation Department (IRC). Preliminary pre -rehabilitation investigation work was <br />performed by Centerline Drilling Inc, (Centerline) between 11/20/24 and 11/22/24 and included <br />disconnecting the existing well pump and discharge line, modifying the wellhead to facilitate testing and <br />performing a downhole investigative well video under dynamic flowing conditions. JLA provided onsite <br />hydrogeologic support and direction to the Contractor (Centerline Drilling, Inc.) during the well video <br />which included field observations of the well head conditions, well performance testing and field water <br />quality testing. <br />Based on the well video investigation JLA is providing the following recommendations: observations and <br />recommendations from the well video investigation include: <br />• Existing supply well is damaged beyond repair and needs to be abandoned by a Florida certified <br />water well driller. <br />• Based on observations made during the supply well video it is recommended IRC perform a <br />similar downhole well video investigation on the existing UFA return well to determine condition <br />of casing. <br />jlageosciences.com <br />160 <br />