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EXHIBIT A <br />Scope of Services <br />City of La Porte <br />Northside Neighborhood Drainage Improvement Project - Preliminary Engineering Report <br />The goal of the Northside Neighborhood Drainage Improvement Project Preliminary Engineering <br />Report Post Harvey Analysis is to support the City in their efforts to improve drainage within the <br />region. To accomplish this goal, requires an understanding of the limitations of the existing <br />drainage systems that serve the area and feasible improvement options. This project will be <br />utilizing grants award to the City as part of the 2015 Floods CDBG-DR Allocation. <br />SCOPE OF SERVICES FOR BASIC ENGINEER SERVICES: <br />The scope of work shall consist of Basic Engineering Services and Additional Engineering <br />Services. Basic Engineering Services are those with a defined effort to complete the services. <br />Additional Engineering Services include direct expenses and sub consultants. <br />I. BASIC ENGINEERING SERVICES <br />A. General Project Management <br />1. Working Meetings with City Staff <br />Working meetings with City staff shall be held to discuss study related issues, review <br />the progress of the work effort, or to address issues which may arise. The Engineer <br />shall prepare and deliver meeting minutes to the City within five (5) working days <br />after each meeting. The total anticipated number of meetings is two. <br />2. Field Visit <br />Field visit with staff to review existing stormwater system and potential outfall and <br />improvement alternatives. <br />3. Quality Assurance/ Quality Control <br />Quality Assurance/Quality Control (QA/QC) Plan: data will be reviewed by the <br />Engineer for consistency with City requirements and methodology. <br />B. Analysis — Existing Hydrologic and Hydraulic Analysis — Review & Understanding <br />An existing XP-SWMM model developed as part of a previous evaluation will be utilized as <br />the basis for evaluating existing conditions and understanding of the current deficiencies. <br />The model will be reviewed for general completeness, approach, stability and results. The <br />model will be used as -is, unless significant discrepancies are identified, which will be scoped <br />at a later time. <br />1. Hydraulic Analysis — Existing Conditions Run Model <br />Dynamic hydraulic models will be analyzed for 5-, 10-, and 100-year storm <br />frequencies. Model errors and warnings will be reviewed and addressed as <br />necessary. Model stability will be evaluated and instabilities reduced in order to <br />provide a highly quality numeric representation of field conditions. <br />A-1 <br />