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Exhibit 3 - PresentationFebruary 23, 2021 Parks and Recreation Lake Forest Dam Rehabilitation and Dredging File ID 21-255 Lake Forest Park ➢69-acre park ➢Wiggly Field Dog Park ➢Playground ➢Open Space ➢Trails ➢10 Acre Lake File ID 21-255 Lake Forest ➢Constructed in 1935 ➢Purchased by City in 2002 ➢Classified by TCEQ as a low hazard dam ➢Poor Condition by TCEQ inspection, 2008 ➢Evaluations began in 2011 ➢Hydraulic Study, Dam Breach analysis, floodplain study, hydrologic analysis, spillway and outlet analysis File ID 21-255 Evaluation ➢H&H evaluation indicated a lack of hydraulic capacity ➢Tree roots have caused cavitation and piping ➢Substandard dam, spillway and outlet ➢Does not meet City design criteria ➢Lake is silted in ➢Improvements necessary File ID 21-255 5 Sedimentary Infill File ID 21-255 6 Erosion: 2016 Repair Sediment & Vegetation 2020 File ID 21-255 7File ID 21-255 Solution ➢Widening of dam ➢Trench and fill with 10” Clay Core ➢Build new spillway ➢Dredge Lake ➢ADA accessible trail across dam ➢New bridge across the spillway 8 Total Project Cost ➢Jagoe-Public Company -$3,021,706.94 ➢Project Management/Inspections -$100,000 ➢Aerators/Fountains -$70,000 ➢Aquatic Wildlife re-stocking -$75,000 ➢Total -$3,266,706.94 File ID 21-255 February 23,2021 Questions? Comments! File ID 21-255