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156:2- Indian 56:2- SWDD Item Indian River County, Florida Solid Waste Disposal District Board Memorandum Date: November 5, 2021 To: Jason E. Brown, County Administrator From: Matthew Jordan, Interim Director of Utility Services Prepared By: Himanshu H. Mehta, PE, Managing Director, Solid Waste Disposal District Subject: Amendment No. 2 to Work Order No. 3 to Geosyntec for Phase I Redevelopment for South Gifford Road Landfill Descriptions and Conditions: On May 22, 2018, the Indian River County (IRC) Solid Waste Disposal District (SWDD) Board approved the Conceptual Redevelopment Plan prepared by the Treasure Coast Regional Planning Council (TCRPC) for the former South Gifford Road landfill site (Gifford Landfill) and directed staff to obtain a cost proposal to implement Phase I. The Gifford Landfill covers approximately 115 acres, with the northern 55 acres owned by IRC and the southern 60 acres owned by the City of Vero Beach. The environmental compliance of the Gifford Landfill is managed by SWDD. On October 23, 2018, the SWDD Board approved Work Order No. 3 to Geosyntec Consultants (Geosyntec) in the amount of $15,882 for the Phase I project. As a reminder, Phase I in the redevelopment plan was "Frontage Improvements and Open Field" and focused on the surficial land clearing and disposal of the brush on approximately eight acres, which would include the three acres in the front and a five -acre area to serve as an open field. Additionally, this phase included installing approximately 30 trees along the 41st Street frontage with an associated irrigation system for the frontage and open field areas. Geosyntec and IRC SWDD submitted an initial conceptual landscaping design to the IRC Community Development Department (CDD) for review. A pre -application meeting was held with the CDD, and they provided a list of comments to be addressed, including performance of a tree survey for the five -acre portion of the site to be cleared and changes to the landscape plan. Amendment No. 1 to Work Order No. 3 in the amount of $21,949 was approved by IRC on January 21, 2020, to complete the request for additional information. The subcontracting portion (landscape architect and tree surveyor) of Amendment No. 1 to Work Order No. 3 represented 73% of the total approved costs. The tree survey was performed and completed in March 2020, and we received an updated landscape plan from the architect in September 2020. However, when comparing these to the CDD review comments, it was determined that additional design/permitting work needed to be performed. Specifically, more details related to the fencing, an irrigation plan, and the requirement for an environmental resource permit needs to be included. Staff and the consultant first evaluated the option of utilizing truck irrigation for the first year of the project; however, gravel roadway is required for this option, which would have resulted in a major site plan approval site process. As a result, staff and the consultant explored the option of a deep irrigation well which will require additional design and permitting services. 55 SWDD Agenda - Geosyntec Amendment No. 2 to WO No. 3 Page —1—