Country Estates Final Report PARAGON Project Team Mike Reeves Project Manager Cole Marr Project Engineer Bryce Beckstrom Project Engineer Amanda Sheehe Project Editor Project Description Design Requirements Project Approach Work Completed Projected Work Project Description Project Description 66 Acres 22 Estate Size Homes 1 2 Acre Lots 33 Acre Community Space High Efficiency Low Environmental Impact Existing Site Proposed Development Design Requirements Objectives Develop 3 Wastewater Treatment Options Develop Stormwater Management Plan Incorporate Greywater Treatment and Reuse Wetland Habitat Area Community Recycling Program Design Trail Around Site Preliminary Feasibility Study Location Zoning Utilities Transportation Site Characteristics Environmental Site Assessment Site Reconnaissance Current and Past Use Tax Information Other Concerns Interviews Josh Reed Property Owner Hancock County Assessor s Office Codes Regulations Regulation Entities Hancock County Conservation Subdivision IDNR LEED 10 State Standards AASHTO LID Design Options Preliminary Site Plan Designed According to Hancock County Will Meet R 1 Zoning 1 2 Acre Lots for Adequate Septic Preliminary Site Plan In Contact with Mike Dale Planning Dept Use Natural Lay of Land to Reduce Cut and Fill in Roadway Roundabout Designed to Standards TFHDC Geotechnical Analysis Wildcat Dynamic Cone Penatrometer Tube Samples 6 3 Laboratory Analysis of Samples Unconfined Compression Test ASTM D2166 Atterberg Limits ASTM D4318 Particle Size Analysis ASTM D422 Assessment of Wastewater 3 Options Considered Options Conventional Septic System Presby Treatment System Wetlands Treatment Assessment of Wastewater Decision Matrix Criteria Options Alternative Percentage Weighting Environmental Impact 30 Cost 30 Feasibility 20 Creativity 20 Decision Matrix Results Alternative Environmental Impact Cost Feasibility Creativity Total Conventional Septic 0 9 0 6 0 3 0 45 2 25 Presby System 0 3 0 3 0 15 0 3 1 05 Wetlands Treatment 0 6 0 6 0 45 0 3 1 95 Hydraulics and Hydrology Design for 100 yr flood Route stormwater through wetlands Size pipes to control flooding Design water quality trenches Promote natural overland flow Existing vs Proposed 100 year Storm Routing Wetlands Treat 170 acres Design wet pond to allow for sediment settling quality volume Research vegetation for the wetlands Design outlet structure that controls 100 year flood Erosion Control Plan Minimize sediment runoff into Miller Ditch Minimize cut and fill on site 680cy cut Reduce soil that leave site via truck tires LID Conservation 50 Community Highlights Space 20 Lots front community space Enviro Septic Wastewater Treatment Density meets maximum requirement Highlights 22 Lots 1 2 Acres Each Site Layout Roadway Design Sustainable LID Designs for Wastewater Greywater Stormwater 440 000 Cost Estimates for Design Construction Lifecycle
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