1. Three Point Consulting Hawthorn Park Enhancement Project 3 Consulting TT hree Poin

2. 3 Consulting TT hree Poin Hawthorn Park Enhancement Project Project Manager: Eric Diehl Report Editor: Jon Keim Project Engineer: Daniel Conley Project Engineer: Andy Bolyard

3. Hawthorn Park Enhancement Project Project Background Project Approach Progress to Date Current Work Project’s Future Direction

4. Project Background Location of Hawthorn Park in relation to the State of Indiana  Property Previously Owned by the Hulman Family  1982 – Land Purchased by Vigo Co. Parks and Recreation Dept.  Burns Lake  National Road Heritage Trail  Client: Mr. William K. Ruble, Superintendent of Vigo Parks and Recreation Dept.  Project Encompasses: water resources, geotechnical, transportation, and environmental

5. Project’s Design Requirements Determine if the Lowering of Burns Lake Dam Hazard Classification is Feasible Investigate adequacy of Emergency Spillway for Burns Lake Connect Existing National Road Heritage Trail to Tupelo Shelter

6. Progress to Date Site and Dam Investigation Survey Dam & Spillway Codes and Regulations Indiana Code for Regulation of Dams Indiana Dam Safety Inspection Manual General Guidelines for New Dams and Improvements to Existing Dams in Indiana AASHTO Guide for the Development of Bicycle Facilities

7. Progress to Date Emergency Spillway Hydrologic Study Hydraulic Study U.S. Army Corp Engineers HEC-HMS Computer Model

8. Progress to Date Hydrologic Study Watershed Delineation SCS Curve Numbers Land Use Hydrologic Soil Groups Time of Concentration Design Storm: 6hr PMP Stage Storage Relationships

9. Progress to Date

11. Hydrologic Study Watershed Delineation SCS Curve Numbers Land Use Hydrologic Soil Groups Time of Concentration Design Storm: 6hr PMP Stage Storage Relationships

12. Progress to Date HEC-HMS Results Emergency Spillway Adequate Developed Conditions

13. Progress to Date Emergency Action Plan Chain of Command Keith Ruble Local Authorities Evacuation Plan Emergency Agencies State Emergency Management Agency (SEMA)

14. EMERGENCYACTIONPLANEMERGENCYACTIONPLAN

15. Progress to Date Site and Dam Investigation Codes and Regulations Hydrologic Data Collection Hydrologic Modeling Results Emergency Action Plan

16. Project’s Future Direction Breach Analysis Using Both Wet and Dry Condition Trail Layout and Design Riser and Barrel Design Slope Stability Analysis

17. Project’s Future Direction Breach Analysis Computer Modeling Inundation Maps Feasibility of Hazard Classification Riser and Barrel Design Existing Structure will Degrade in Future Have Design Ready for Client

18. Project’s Future Direction Trail Layout and Design Connect to Tupelo Shelter and Restroom Facilities Surface Options Site Preparation

19. Project’s Future Direction Trail Layout and Design Route Options Safety Concerns

20. Decision Matrices Trail Option Criteria Cost Material Layout Accessibility Riser & Barrel Criteria Cost Materials Size

21. Questions? 3 Consulting TT hree Poin