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ATTACHMENT A GRANT WORK PLAN INDIAN RIVER COUNTY Project Title: PC SOUTH Project approximately Station latitude owned The east longitude The Location: The project consists of facilities in two locations. An algal turf scrubber system will be located 1,250 feet west of Old Dixie Highway next to Indian River County's Oslo Solid Waste Transfer and 700 feet south of the Indian River Farms Water Control District s (IRFWCD) South Relief Canal. The is 27d36 02"N and the longitude is 80d23'25"W. The algal turf scrubber system will be located on property by Indian River County. rest of the project, a series screening system and a large pump station, will be located approximately 200 feet of Old Dixie Highway within IRFWCD's South Relief Canal right-of-way. The latitude is 27d36' 15"N and the is 80d23' 10"W. project will receive water from the IRFWCD watershed and the hydrologic unit code is 03080203. and (algal system the the IRFWCD stormwater structures. Project A will project, Nutrients dissolved portion being of Significance The meet The Part mechanical the adjacent be IRFWCD canal PC project 1 Background: series to the constructed turf scrubber) and the algal called PC canal water. will be nutrients is a Florida of the district residential runoff All water City of Vero and South project required TMDL is divided — Algal Turf removed screening IRFWCD within will turf South. system The from Statute is The from now Beach, a St. reductions. into Scrubber Johns is a South be scrubber The material by the canal mix South many flowing critical three system South Relief Relief built on system facilities The series removed this system water. Chapter of agricultural, Relief more acres in the with little River Water to Indian distinct System and an 298 Pilot screening parts: Canal approximate will through Canal can South or an Canal are will drainage Management River treat no Plant aquatic residential, be located right-of-way include watershed Relief plant in southeastern 14 in nutrient system floating the capture district directed Canal treatment. District County's Study — acre two commercial, through water based nutrient removal system is proposed to be built in Indian River County. The series screening system and the aquatic plant based nutrient removal system County -owned site Although the series screening physically separate places, they are part of a single rich stormwater runoff and groundwater base flow from will remove solids as small as 1/16°i inch diameter from and suspended aquatic plants, debris, and trash. of aquatic plants. The algal turf scrubber will remove encompassing over 50,000 acres. The watershed in this and Tight industrial with most of the land use directly drains approximately 12,000 acres, although the canal by manipulating upstream water control discharges directly into the Indian River Lagoon south The Indian River Lagoon is an Estuary of National (SJRWMD) SWMM program priority water body TMDL program and without these facilities it will not A six-month long pilot plant study will be conducted to and to develop final design information. Additionally, blending reject water from the South County Reverse and using some of the treated blend water for reuse with the canal water has been approved by Florida results of the pilot plant study will determine if FDEP in the full-scale treatment system. — Data gathered from the Part 1 pilot plant study will be the ensure Osmosis irrigation Department allows Part pilot 2 that the — (RO) Final plant water. the of RO water study Water Environmental reject Design, will support an algal turf will investigate the practicality Treatment Plant with the The concept of blending the Protection (FDEP) water to be blended with the Permitting Bidding, Contract community canal RO canal of water reject and the water Award used cleaning permits to design trash will be the full-scale algal rakes, debris conveyors, obtained, bidding turf scrubber (ATS). Final design includes the series screening system with self- pump station, ATS, and associated structures and facilities. AR required documents prepared, the project bid, and the construction contract awarded. Revised 7/10 DEP Agreement LP31010, Attachment A, Page 1 of4