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EXHIBIT A <br />SEWER SYSTEM HYDRAULIC MODELING SUPPORT <br />SCOPE OF SERVICES <br />Background and Purpose of Project <br />This document describes the Woodard & Curran scope of work for providing hydraulic modeling <br />support to the City of Santa Ana (City) for tasks related to capacity planning for the City's <br />wastewater collection system. This work will be based on the hydraulic model developed for the <br />Sewer Master Plan Update prepared for the City in 2016. The hydraulic model of the system was <br />created based on population projections and flow monitoring data, and future land use and <br />development plans. The City wishes to use the model for on -going evaluation of capacity -related <br />issues, including assessing impacts of proposed new developments ("sewer studies"), evaluating <br />"what -if' scenarios related to proposed new sewer pipelines, and updating the model and capacity <br />assessment based on permanent changes. <br />Scope of Work <br />The tasks included in Woodard & Curran's scope of services are described below. <br />Task 1— Project Management and Coordination <br />Woodard & Curran will monitor project budget, prepare invoices, and communicate with the City by <br />telephone and e-mail regarding project status and issues. A 1-year contract period is assumed. <br />Woodard & Curran will track costs under a separate subtask for each model evaluation associated <br />with a developer project so that the City can determine appropriate costs to be charged to <br />developer. <br />Assumptions: <br />• Any required meetings are assumed to be included as part of the model evaluations under <br />Task 1. <br />Task X — Model Evaluations <br />Under this task, Woodard & Curran will run the model (or expand the model to include previously <br />unmodeled sewers) as requested by the City to: <br />1) Assess the impact on sewer capacity of proposed development projects and <br />determine where additional capacity would be required (e.g., increased pipe size or <br />larger pump station capacity) if needed to handle increased flows caused by the new <br />developments; <br />2) Evaluate "what -if' scenarios related to proposed new or improved sewer pipelines or <br />pump stations; or <br />Woodard & Curran -1- 4/13/2021 <br />