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Task 3 — Permitting — Additional Scope Modification to the existing concentrate disposal permit, Industrial Wastewater Permit No. FL0037940-009 (Minor), is necessary to accommodate the change in water quality with the increase in RO plant capacity and recovery, as well as address the ADF and MDF stipulations in the current permit. Consultant will assimilate historical data and prepare a letter requesting a minor modification to the existing permit to include a change in the average daily flow requirement, and demonstrate a negligible impact to overall water quality of the Algal Turf Scrubber (ATS) influent and treated effluent. Consultant will prepare supporting documents, consisting of drawings, specifications, projections, and calculations supporting the minor letter modification. Consultant will respond to one round of reasonable requests for additional information from FDEP permitting agency requests for clarification. Consultant will prepare an Uprating Evaluation to determine components/processes in need of expansion/replacement to accomplish 9 MGD. of treatment capacity. Consultant will identify improvements in Uprating Evaluation and implement said improvements into the construction plans. Consultant will prepare permit application package to increase capacity of the WTP from 8.57 to 9 MGD. Application will include the Uprating Evaluation in addition to the final plans and specifications. It is assumed Indian River County will produce the permit application fee in the amount of $12,500 per FAC 62-4.050 (n) La. Task 4 — Bidding — Additional Scope Due to failing and antiquated PLC hardware, IRC desires to advance the SCADA system improvements aspect of this project. As such, Consultant will prepare standalone bid documents for SCADA and PLC improvements at Oslo. These documents will be prepared at the 90 and 100% design intervals. Work under this task includes the additional effort associated with developing a standalone set of bid documents for the SCADA/PLC improvement aspect of this project, in addition to the process/piping improvements previously scoped. It is assumed that the Oslo SCADA/PLC improvements will be combined with the Hobart PLC improvements project. This will provide the County with the ability to standardize panel design with consistent fabricator for both WTPs and will also reduce on overall construction costs through economies of scale. F:\Utilities\UTILITY - Engineering\WATER\WTP - South RO\19-1 115 South RO Water Treatment Plant Improvements\Admin\Revl DRAFT Oslo WTP Additional Scope .docx Page 3 of 6