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Railwayto greenwayfinalpresentation


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Railwayto greenwayfinalpresentation

  1. 1. RAILWAY<br />TO<br />GREENWAY<br />Carl AndersonKelly LovalloBarbara Summers<br />CENG 491 Final Presentation<br />DANA 116<br />Thursday April 28, 2011<br />6:55pm<br />
  2. 2. RAILWAY<br />TO<br />GREENWAY<br />Inspiration for the Project<br />High Line Project, Manhattan, NY<br /> 1.45 mile greenway built on built on a former elevated freight railroad<br />
  3. 3. RAILWAY<br />TO<br />GREENWAY<br />Location<br />London, UK<br />Borough of Harrow<br />
  4. 4. RAILWAY<br />TO<br />GREENWAY<br />Feasibility Study<br />Two Potential Sites Analyzed<br />Parkland Walk South and the Belmont Trail<br />Why the Belmont Trail?<br />Potential for development<br />Support from local government and community<br />Existing Site Access<br />
  5. 5. Project Scope and Assumptions<br />Scope<br />Geometric Design<br />Pervious Pavement<br /> Community Center<br />Assumptions<br />US standards and regulations<br />Specific site conditions of Lewisburg due to availability<br />RAILWAY<br />TO<br />GREENWAY<br />
  6. 6. RAILWAY<br />TO<br />GREENWAY<br />Existing Conditions of Site<br />Narrow Dirt path<br />1.07 miles <br />Approx. walk-able width 10-15 ft<br />Actual boundaries 10-85 ft<br />Largely residential area<br />
  7. 7. RAILWAY<br />TO<br />GREENWAY<br />Plan View of Existing Belmont Trail<br />
  8. 8. RAILWAY<br />TO<br />GREENWAY<br />Existing Conditions Cont.<br />Kenton Lane Underpass to <br />Parking Lot<br />Paved Section near Dobbin Close<br />
  9. 9. RAILWAY<br />TO<br />GREENWAY<br />AutoCAD Civil 3D Overview<br />Why Civil 3D?<br />Ordnance Survey Maps were Inadequate<br />Topographic capabilities through Google Earth<br />Help Guide Design<br />Verify Geometric Calculations<br />
  10. 10. RAILWAY<br />TO<br />GREENWAY<br />Geometric Design Overview<br />Split into 3 Separate Sections<br />Christchurch Ave. to Dobbin Close (3300 ft.)<br />Kenton Lane Tunnel to Parking Lot Trailhead (430 ft.)<br />Parking Lot Trailhead to Vernon Dr. (1070 ft.)<br />General Assumptions<br />Design Speed, V = 20 mph<br />Lean Angle, θ = 15°<br />Bicyclist Eye Height = 4’ 6”<br />External Object Height= 0’ 0”<br />AASHTO 1999 Guide <br />for the Development <br />of Bicycle Facilities<br />
  11. 11. RAILWAY<br />TO<br />GREENWAY<br />Vertical Curve Design<br />Goals<br />Maintain Access Point Elevations<br />Minimize Grades<br />Limit Cut and Fill<br />Criteria<br />By Point of Vertical Intersection<br />Stopping Sight Distance<br />Sag vs. Crest Curves<br />1% ≤ Grade ≤ 5% <br />Section 1: STA 2+00 to STA 17+00<br />
  12. 12. RAILWAY<br />TO<br />GREENWAY<br />Stopping Sight Distance<br />Forf = 0.25 and V=20 mph:<br />Could Estimate Lmin<br />119.52’ < S <136.62’<br />± dependent on grade<br />
  13. 13. RAILWAY<br />TO<br />GREENWAY<br />Minimum Curve Length<br />ForS > L:<br />ForS < L:<br />Assume S > L<br />In reality, L > S<br />Curve Lengths ranged from 20’ to 114’ <br />
  14. 14. RAILWAY<br />TO<br />GREENWAY<br />Horizontal Curve Design<br />Goals<br />Curve Smoothing<br />Minimize Curve Radii<br />Avoid Lateral Obstructions<br />Criteria<br />By Point of Curvature<br />Curve Radius<br />Lateral Clearance<br />Superelevation<br />Curve 9 <br />PCSTA: 14+96.63<br />L=13.26’<br />R=100’<br />M=18.41’<br />Curve 11 <br />PCSTA: 18+51.78<br />L=4.46’<br />R=100’<br />M=18.64’<br />Curve 10 <br />PCSTA: 15+62.64<br />L=3.46’<br />R=100’<br />M=20.09’<br />Section 1: STA 14+60 to STA 19+00<br />
  15. 15. RAILWAY<br />TO<br />GREENWAY<br />Minimum Curve Radius<br />Forθ = 15° and V=20 mph:<br />Whenθ approaches 20° :<br />Casual rider assumptions<br />All horizontal curves used minimum radius<br />
  16. 16. RAILWAY<br />TO<br />GREENWAY<br />Plan View of Section One<br /><ul><li>Max. M = 22.44’</li></ul>16 Horizontal Curves<br />1.19’< L < 15.88’<br />
  17. 17. RAILWAY<br />TO<br />GREENWAY<br />Minimum Lateral Clearance<br />Values of M ranged from 18.41’ to 18.81’<br />Absolute Minimum from AASHTO is 3’<br />
  18. 18. RAILWAY<br />TO<br />GREENWAY<br />Plan View of Sections Two and Three<br /><ul><li>Navigate
  19. 19. Existing Parking Lot
  20. 20. Residential
  21. 21. New Community Center</li></ul>4 Horizontal Curves (Section 2)<br />6.22’< L < 38.54’<br />
  22. 22. RAILWAY<br />TO<br />GREENWAY<br />Superelevation<br />emax= 3% due to ADA regulations<br />Minimum transition distance of 7.5’ for consecutive curves<br />Cut and Fill<br />
  23. 23. RAILWAY<br />TO<br />GREENWAY<br />Grading<br />Aesthetic Contouring<br />Ensure proper drainage of stormwater runoff<br />
  24. 24. RAILWAY<br />TO<br />GREENWAY<br />Pavement Design<br />Porous Asphalt Pavement<br />Asphalt made up of coarse aggregate allowing for infiltration <br />Reservoir and filter coarses for additional storage <br />Environmental Benefits<br />Increased initial infiltration<br />Decreased runoff, in volume and velocity<br />
  25. 25. RAILWAY<br />TO<br />GREENWAY<br />Drainage<br />Satisfied by Porous Asphalt<br />Minimum 1% slope<br />.5 in/hr infiltration rate equivalent to 24 hour capacity of 12 in (25-year storm)<br />NCRS soil group B<br />.52-1.07 in/hr infiltration rate<br />
  26. 26. RAILWAY<br />TO<br />GREENWAY<br />Community Center Overview<br />***CAD screenshot<br />Small Timber-Frame Building<br />Vehicle Parking and Driveway<br />Green Roof<br />Bike Park<br />
  27. 27. RAILWAY<br />TO<br />GREENWAY<br />
  28. 28. RAILWAY<br />TO<br />GREENWAY<br />Building Floor Plan<br />2 Offices<br />Conference Room<br />Info Desk<br />2 Restrooms<br />Mechanical Room<br />Open Foyer<br />
  29. 29. RAILWAY<br />TO<br />GREENWAY<br />Site Layout and Traffic Plan<br />Lewisburg, PA Zoning Ordinances<br />Boundary set-backs<br />Parking/driveway regulations<br />AASHTO Geometric Design of Highways and Streets<br />Required turning radius for driveway<br />
  30. 30. RAILWAY<br />TO<br />GREENWAY<br />Green Roof<br />1% Slope to prevent pooling<br />Reduces runoff and energy consumption<br />Filters surrounding air<br />Provides habitat for native species<br />
  31. 31. RAILWAY<br />TO<br />GREENWAY<br />Roof and Framing<br />ASTM E 2391: Standard Practice for Determination of Dead Loads and Live Loads Associated with Green Roof Systems<br />National Design Specification for Wood Construction <br />4” x 12” Joists @ 16” O.C.<br />
  32. 32. RAILWAY<br />TO<br />GREENWAY<br />
  33. 33. RAILWAY<br />TO<br />GREENWAY<br />Cost Estimate<br />
  34. 34. RAILWAY<br />TO<br />GREENWAY<br />References<br />Lewisburg, PA Zoning Ordinances, Union County<br />A Policy on Geometric Design of Highways and Streets: 2004. Washington, D.C.:, 2004. Print.<br />1999 Guide for the Development of Bicycle Facilities: American Association of State Highway and Transportation Officials. Print.<br />ASTM E 2397: Standard Practice for Determination of Dead Loads and Live Loads Associated with Green Roof Systems<br />National Design Specification for Wood Construction (1997 Edition)<br />
  35. 35. RAILWAY<br />TO<br />GREENWAY<br />Questions?<br />
  36. 36. RAILWAY<br />TO<br />GREENWAY<br />Acknowledgements<br />Professor Gabauer<br />Professor McGinnis<br />Professor Salyards<br />Sustrans (Greenway/Cycling NGO)<br />Kate and William<br />