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ATKINS <br />INDIAN RIVER COUNTY UTILITIES DEPARTMENT <br />WORK ORDER No. 4 <br />SCOPE OF SERVICES <br />West Regional WWTP Structural Improvements Phase 1 <br />Background <br />In March 2021, Indian River County Utilities Department (IRC) requested that Atkins (Consultant) <br />provide technical services to design replacements for the bridges that cross the oxidation ditches <br />at the West Regional Wastewater Treatment Plant (West WWTP). To determine the scope of <br />services required, Atkins visited the West WWTP on March 8. During that site visit, it was <br />determined that there were significant concerns regarding the structural integrity of both the <br />anoxic ditches and associated bridges. This culminated in the recommendation to have Staff <br />maintain 10 to 15 feet distance from the oxidation ditches. Due to structural concerns regarding <br />the oxidation ditches, it was determined that the Scope of Services would be broken into two <br />Phases as follows: <br />Phase 1: Evaluate the current structural integrity of the overall oxidation ditch structure and <br />associated bridges. Perform visual condition assessment and make a record of defects observed <br />during inspection, noting location and size of defects documented. Perform survey of the <br />oxidation ditch under empty and full conditions to determine location and extent of any <br />movement occurring in the walls, bridge and associated piping. Analyze the tanks based on <br />available knowledge. Determine extent of repairs and/or replacements required. Provide <br />options for addressing the issues that are identified and assist the County in determining the <br />preferred alternative. Provide a rough order of magnitude engineer's estimated cost for <br />structural repairs. These decisions will be affected by the intended use and service life expected <br />from the renovated system. <br />Phase 2: Provide design and construction services to implement the structural repairs. <br />Scope of Services <br />This Scope of Services is for technical services associated with West WWTP Structural <br />Improvements Phase 1. The scope consists of structural evaluations and verification <br />calculations that will result in generation of options for addressing the structural issues <br />associated with the oxidation ditch and bridge. These options will include repair and upgrade <br />options. These options will be presented at a workshop with IRC and a final decision on <br />upgrading of the structures will be determined. <br />Task 01 Project Management <br />a. General Project Administration <br />This task consists of overall management of the Project including contract <br />administration, budget management, invoicing, monthly status reports, project <br />scheduling, facilitating and coordinating meetings, and coordination with IRC and <br />the Consultant's subconsultants. <br />113 <br />