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ATTACHMENT 3-1 REVISED GRANT WORK PLAN PROJECT TITLE: West Wabasso Phase 3 Septic to Sewer Conversion PROJECT LOCATION: The project will be located in Vero Beach, FL within Indian River County; Lat/Long (27.7477, -80.4504). See Figure 1 for a site map. PROJECT BACKGROUND: West Wabasso Phase 3 is a community of approximately 61 lots consisting of substandard septic systems and is a financially challenged area within Indian River County (Grantee). The septic to sewer conversion will route the wastewater from this community to a county system for collection and treatment at a regional wastewater facility that is operated by Indian River County Department of Utility Services. The conversion will reduce the nutrient loading, improve water quality, and promote seagrass growth in the Indian River Lagoon. This community has been identified as having increased health risks and potential groundwater contamination from aging on-site treatment disposal systems. This project will benefit the health and well-being of residents and the Indian River Lagoon. PROJECT DESCRIPTION: The project is a continuation from Phase I (completed in 2013) and Phase II (completed in 2019). The Grantee will construct the West Wabasso Phase 3 conversion with the installation of approximately 15 manholes, 2 lift stations, 1425 linear feet of sanitary force main pipe, and 2654 linear feet of gravity sewer. Approximately 63 stub -outs will be installed to provide connections to current and future homes. The project area consists of two sites known as Phase 3A and Phase 3B that together comprise Phase 3. Phase 3 will consist of the following locations: 1. Phase 3A: Along 61st Drive from CR -510 to the north end of the road. Lat/Long (27.7504,-80.4531). 2. Phase 3B: Along 58th Court and 59th Avenue, south of 85th Street (CR -510) to the end of the road. Lat/Long (27.7486, -80.4463). TASKS: All documentation should be submitted electronically unless otherwise indicated. Task 1: Preconstruction Activities Deliverables: The Grantee will complete the design of the West Wabasso Phase 3 Septic to Sewer Conversion and obtain all necessary permits for construction of the project. The Grantee will also perform engineering design services that will include subsurface investigations of the project area and a sanitary sewer lift station design report for Phase 3A. Documentation: The Grantee will submit: 1) subsurface investigation reports; 2) a sanitary sewer lift station design report for Phase 3A; 3) a signed acceptance of the completed work to date, as provided in the Grantee's Certification of Payment Request; and 4) a summary of preconstruction activities to date, indicating the percentage of design completion for the time period covered in the payment request. For the final documentation, the Grantee will also submit a copy of the design completed with the funding provided for this task and a list of all required permits identifying issue dates and issuing authorities. Performance Standard: The Department's Grant Manager will review the documentation to verify that the deliverables have been completed as described above. Upon review and written acceptance by the Department's Grant Manager, the Grantee may proceed with payment request submittal. Payment Request Schedule: The Grantee may submit a payment request for cost reimbursement no more frequently than monthly. DEP Agreement No. WG001, Attachment 3-1, Page 1 of 4