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Deliverables; <br />Flow hydrographs for 9 CSO basins targeted for GSI implementation <br />Task 3.3: Base Mapping and Data Collection — TECHNICAL LEAD will compile relevant <br />information pertaining to the existing physical, environmental, and cultural conditions of the project <br />area(s) and the broader context of its place in the larger regional system. The team will utilize data <br />collected as part of previous GSI evaluation tasks along with existing City GIS data, available County <br />wide data and available Indiana state data to create a comprehensive, system wide base map. If additional <br />site plans and/or survey data are available, the team will integrate the information as applicable. The GIS <br />data will be supplemented with data gained through field reconnaissance. Field work will be document <br />by photographs as necessary for each site. Mapping will be prepared at both a regional scale and site <br />specific scale to be used as necessary in later tasks. <br />Client Provided Items <br />GIS shapefiles (Right of way, publicly owned property, combined sewer/sanitary sewer/storm sewer) <br />Deliverables <br />System wide base map (digital and hard copy) <br />Site specific maps (digital and hard copy) <br />Site photos (as necessary) <br />Client Provided Items <br />Private development project locations and contact information <br />Design and technical data related to City owned and maintained green infrastructure projects <br />Deliverables <br />Summary of existing policies Policy recommendations <br />Summary of existing green infrastructure projects (including written narratives, photographs and maps) <br />Summary of maintenance practices <br />Compiled Case Studies and Lessons Learned document (digital and hard copy) <br />Task 3.4: Green Infrastructure Conceptual Design - Using the information gained in Tasks 3.2 and <br />3.3, TECHNICAL LEAD will develop conceptual green infrastructure design recommendations for <br />CSO 4, CSO 7, CSO 8, CSO 10, CSO 14, CSO 19, CSO 21, CSO 25, and CSO 26. The conceptual <br />recommendations will be developed to limit the peals flow discharge from the trunk sewer in each basin <br />to the release rate defined in Task 3.2. The conceptual design for each site will be prepared using the <br />base data (GIS shapefiles) gained in Task 3.3. The conceptual design will include the following <br />information for each location: <br />Design Assumptions and Methodology <br />o A written narrative outlining why the selected green infrastructure technique was chosen <br />and the methodology behind the design application. <br />Applied practices to Overflow sites <br />o The design will be shown in plan view at an appropriate scale and will include <br />enlargements as necessary to convey the design intent and the technical <br />requirements necessary for the site. <br />o Cross sections will be used as necessary, along with general recommendations for <br />grading and utility infrastructure placement. <br />Preliminary opinion of probable costs <br />o A preliminary opinion of probable costs will be developed for each identified CSO <br />location and associated green infrastructure improvements. <br />2 <br />