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ESTIMATED RESIDENCE TIME OF ANY PONDS, SWALES, ETC. : This Section is not applicable . The pollutant reduction occurs on the algal turf scrubber flow-way . TASKS and DELIVERABLES : TASK NUMBER 1 TASK NAME : Design and Permitting TASK DESCRIPTION : The Grantee shall design the system as described in Task 3 (BMP Construction) and obtain all necessary permits. Permits should be obtained from the U . S . Army Corps of Engineers, Florida Department of Environmental Protection St. Johns River Water Management District, Indian River Farms Water Control District, and Indian River County. DELIVERABLES: Submission of copy of final design; copy of all required permits . PERFORMANCE STANDARD : Approval of final design is contingent upon approved permits. FINANCIAL CONSEQUENCE : Failure to meet the performance standard above will result in the denial of match claim. TASK NUMBER 2 TASK NAME : Bidding TASK DESCRIPTION : The Grantee shall prepare and solicit bids utilizing a bid package in accordance with state and federal laws and this Agreement . DELIVERABLES : Submission of copy of bid package and selection of contractor. PERFORMANCE STANDARD: The Department Grant Manager will review the bid package and copy of subcontract to ensure compliance with state and federal laws specific to this Agreement. TASK NUMBER 3 TASK NAME : BMP Construction TASK DESCRIPTION: The Grantee shall develop fifteen ( 15 ) acres for the purpose of creating an Algal Nutrient Removal Facility as depicted in Fie 1 , attached and incorporated herein. The PC South Algal Nutrient Removal Facility system will be composed of the following. 1 . Influent flow delivery system, which will be a low head, high flow pumping system (e.g. axial flow or Archimedes pumps) . 2 . Intermittent release control device or flow surger, designed to pulse flows in a manner emulative of oscillatory waves. This device is an automatic siphon mechanism placed on a surger box. The intermittent surging of water helps disrupt the algal cell wall boundary which enhances the rate of diffusion of nutrients, particularly at low concentrations . 3 . An influent distribution system designed to distribute water equitably along the width of the ANRF floway, with flow introduced from the flow surger. 4. A sloped ANRF floway that includes an impervious surface over which is installed a geotextile grid, which serves as an attachment matrix for the algae. Floway length is determined by treatment requirements and influent characteristics. 5 . An effluent and harvest flume that runs the full width of the ANRF floway. Typically this flume is triangular in cross section, with a variable cross sectional area, increasing as flows accumulate. The slope is designed to ensure at least 1 . 5 fps velocity throughout the flume, which ensures conveyance of the harvested material . The flume serves both as a means to move effluent, and, during harvest, to transport harvested algae to an automated self cleaning bar screen (F1exRake). 6 . An automatic F1exRake, typically as manufactured by Duperon Corporation of Saginaw Michigan. The F1exRake facilitates capture and removal of harvested algae filaments, as well as continuous removal of sloughed algae and incidental solids5 . 7 . Algae harvest equipment for dislodging and moving excess production into the effluent flume DELIVERABLES : The acceptance of the facilities as completed facilities according to design. Photographs depicting the construction progress stages and completion of the Algal Nutrient Removal Facility system ; signed statement from Construction Engineer indicating construction has been completed in accordance with design. PERFORMANCE STANDARD : The Department Grant Manager will review the photographs and certification of completion by the Construction Engineer to verify that the work was done in accordance with the approved plans. 5 In some cases in which high levels of suspended solids reduction is required, additional processes such as wedge wire screens, hydroscreens, or sand filters may be included to further polish the effluent after coarse screening through the Flex Rake . DEP Agreement No. G0353 , Attachment A, Page 5 of 12