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Cuyahoga Valley National Park TM Robert W. Bobel, P.E. Park Engineer Cuyahoga Valley National Park Greater Cleveland Trails and Greenways Conference Given.

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Presentation on theme: "Cuyahoga Valley National Park TM Robert W. Bobel, P.E. Park Engineer Cuyahoga Valley National Park Greater Cleveland Trails and Greenways Conference Given."— Presentation transcript:

1 Cuyahoga Valley National Park TM Robert W. Bobel, P.E. Park Engineer Cuyahoga Valley National Park Greater Cleveland Trails and Greenways Conference Given June 7, 2010 Middleburg Heights, OH Trail Design & Construction Challenges in Cuyahoga Valley National Park

2 Cuyahoga Valley National Park TM Trail Users + Trail Location = Design Standards Design Standards Width, grades, surface Surface = Costs (initial + maintenance)

3 Cuyahoga Valley National Park TM Trail Users Surface Width Grades Trailheads Trail amenities

4 Cuyahoga Valley National Park TM Trail Location Crossings Along water courses Environmental Cultural

5 Cuyahoga Valley National Park TM River and stream erosion

6 Cuyahoga Valley National Park TM Flooding

7 Cuyahoga Valley National Park TM Aggregate Surfaces Crushed Rolled Limestone Gravel & Sand Mix Natural earthen

8 Cuyahoga Valley National Park TM Paved Hardened Surface Asphalt

9 Cuyahoga Valley National Park TM Paved Hardened Surface Concrete

10 Cuyahoga Valley National Park TM Paved Hardened Surface Specialty surfaces

11 Cuyahoga Valley National Park TM Other Hardened Surface Boardwalks

12 Cuyahoga Valley National Park TM Trail Surfaces Limestone – Asphalt – Concrete (initial costs) $ $$ $$$ (maintenance costs) $$$ $$ $

13 Cuyahoga Valley National Park TM Limestone - Advantages Lower Initial Cost Softer Appearance More Giving Surface More absorption Slower Speeds

14 Cuyahoga Valley National Park TM Limestone - Disadvantages Requires Regular Maintenance Requires time to set up Limited to flatter trails Spring Tundra Summer Dusting

15 Cuyahoga Valley National Park TM Bank Erosion Gabion walls Gabion protected slopes

16 Cuyahoga Valley National Park TM Bank Erosion – lower flows Live staking Brush matting Root wads

17 Cuyahoga Valley National Park TM Bank Erosion – typical details Stone rip rap Brush layering Soil Wraps

18 Cuyahoga Valley National Park TM Bank Erosion – higher flows Stone rip rap Brush layering Soil Wraps

19 Cuyahoga Valley National Park TM Bank Erosion – innovative techniques Spurs & vanes Buried windrows Engineered log jams

20 Cuyahoga Valley National Park TM Flooding Clean-up Repair Harden

21 Cuyahoga Valley National Park TM Contract out or construct in-house?

22 Cuyahoga Valley National Park TM Manage Expectations

23 Cuyahoga Valley National Park TM Trail Challenges - Summary


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