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Exhibit # 1 Work Order Number 4 Stormwater Supply to Algal Turf Scrubber System at 5th Street SW Site South RO Plant Concentrate Disposal PROJECT DESCRIPTION This work order 94 includes additional survey , pot- holing , design , site planning support, permitting and construction phase services to account for a change in the proposed pipeline route and relocated Algal Turf Scrubber (ATS ) site to east of the Oslo Road water treatment plant, beyond what was included in the original Work Order #2 . In summary , the additional scope of work in general , consists of. Pump Station Site and 27th Avenue Bridge The pump station will be located west of the 27th Avenue bridge over the South Relief Canal and require additional survey and design to cross the canal and extend up to 100 ft west of the bridge . This work order includes the additional services required to extend the stormwater pipe to the selected location . It is anticipated that the stormwater pipe will be installed as aerial attached to the existing bridge crossing the South Relief Canal . • Provide additional survey , pot-holing , and design of pipe over the bridge and into the pump station site . • A specific purpose survey and document will be prepared for the pump station site , which will consist of locating encroachments , and topographical information at the pump station location . 27th Avenue Road Crossin ;? (EnOneering IRC Proiect #0391 ) The Indian River County Roadway Division ( IRCRD ) is planning a widening project for a portion of 27th Avenue and 5t" Street between July 2012 and January 2013 . In order to prevent potential damage to this new widened section from the proposed ATS pipeline construction , a phasing plan must be prepared for the construction of a portion of the ATS pipeline within this project . • Consultant will prepare the phasing plan and provide additional coordination with IRCRD during construction phase of this work. Environmental Resource Permitting The County is preparing an Environmental Resource Permit ( ERP) application to submit to the Florida Department of Environmental Protection ( FDEP) for the proposed stormwater pump station , ATS site and , and ATS stormwater pipe . It is our understanding that K : AWP [3_Civi1\044572021 - ATS Stormwater Pipe\ ScopeAATS Pipeline Project - Work Order 4 REV I . doc Page I ol' 9