Scope of Services – Wastewater Master Plan & Interceptor Sewer Modeling Report – 2026 (Report) The City of Casa Grande requires an analysis of the City’s existing sewer collection system to determine existing system capacity, identify current deficiencies within the system, determine impacts of future growth, assist in the planning of future service areas outlined in the City’s current General Plan and develop a capital improvements program for the sewer collection system. The scope of services for this project has been divided into separate tasks which are as follows: Task 1: EXISTING DATA COLLECTION & EVALUATION 1. Kick-off Meeting: CONSULTANT will attend an initial team meeting with the City of Casa Grande staff to review the overall scope of work, evaluation criteria, schedule, communication lines, project reporting, planning period confirmation, and confirm the project planning limits. 2. Data Collection & Evaluation: CONSULTANT will work with City staff to obtain the most recent existing digital files from the City’s GIS to support the new wastewater system modeling and master planning. These files are anticipated to include but not be limited to: a. City GIS data b. Sewer connection and collection system information • Manholes (shapefiles) • Gravity pipes (shapefiles) • Force mains (shapefiles) c. Existing City modelling GIS-data (Note: Existing City Sewer Modelling software is not current) d. Aerial images
