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Management of Small Docks and Piers

Management of Small Docks and Piers. Best Management Practices. This presentation funded by the National Oceanic and Atmospheric Administration National Centers for Coastal Ocean Science and The Office of Ocean and Coastal Resource Management

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Management of Small Docks and Piers

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  1. Management of Small Docks and Piers Best Management Practices

  2. This presentation funded by the National Oceanic and Atmospheric Administration National Centers for Coastal Ocean Science and The Office of Ocean and Coastal Resource Management Materials prepared by Steve Bliven of Bliven & Sternack

  3. A Basic Legal Premise: • Docks are private structures occupying public • waters. • Riparian rights mandate access, not structures. • Therefore, docks are a privilege, not a right. • As such, they can be regulated to protect public • interests.

  4. Avoid • Minimize • Mitigate

  5. Managing Shading Impacts:

  6. Graphic courtesy Dave Burdick, Univ. New Hampshire Avoid Resource Areas or Minimize Area Affected

  7. Maximize height and minimize width … … 1 foot high or more for each foot wide

  8. Orient North-South, or as close as possible

  9. Avoid Roofs or Walled Structures

  10. Explore Techniques to Increase Light Transmission Fiberglass Grating

  11. Installing grating panels

  12. Metal Grating Plastic Grating

  13. Light Prism Space Between Decking

  14. Managing Construction Impacts Keep off the Marsh.

  15. Where possible work from a barge or work out along the pier.

  16. Sharpen ends of piles When possible use low pressure jetting to start and drop hammer to drive the piles.

  17. Impacts from Boats and Floats Don’t Store Boats on the Marsh Keep Floats off The Bottom at Low Tide

  18. Managing Impacts from Contaminants Prohibit the use of Oil-based Preservatives (Creosote or Pentachlorophenols) For Small Docks

  19. Minimize use of CCA-treated Materials in Low Flushing Waters

  20. Don’t Use CCA-treated Materials in Fresh Water

  21. Alternatives include: • Untreated Wood • Polyethylene Pile Encasement Systems • Metal • Concrete • PVC • Recycled plastics and composite materials for decking

  22. Decking and other elements not immersed do not need to be treated or could be made of “alternative” materials.

  23. Managing Impacts from Dock Flotation Materials • Require encapsulated materials • Avoid exposed open cell polystyrene • Avoid reuse of industrial drums

  24. Industrial Barrels

  25. Encapsulated Floatation In this case, expanded polystyrene foam enclosed in plastic

  26. Avoid painting or staining docks, piers and • walkways while in the water. • Avoid soaps when cleaning. Wash and rinse • with sea water or lake water.

  27. Require regular maintenance and upkeep of docks

  28. Managing Impacts from Fuel Leakage • Avoid fuel pumps or storage on docks • Fuel outboard motors onshore when feasible • Provide educational materials to dock owners

  29. Managing Impacts from Boat Usage: • Establish no-wake zones—and enforce them • Provide educational materials to dock owners

  30. Managing Impacts to Sediments

  31. Suggested BMPS regarding sediments • Adequate space between pilings • Avoid solid fill structures • Install pilings with minimum disruption of sediments • Avoid floats or boats resting on the bottom

  32. Managing Impacts to Navigation • Structures should be water-dependent • Reasonable leasing fees for mitigation

  33. Managing Impacts to Navigation • Establish setbacks from navigation • areas and between docks • Limit dock length in congested areas • Avoid public use areas

  34. Property Line Mean High Water Mean Low Water Min. 25’ Min. 25’ Maximum 20–25 % Establish Length And Set-back Standards Max. Length Not to scale

  35. Managing Impacts to Navigation Maintain Sight lines

  36. Managing Impacts to Public Access Along the Shoreline

  37. Managing Impacts to Public Access Along the Shoreline • Ensure passage through, over or around • docks

  38. Managing Visual Impacts

  39. Managing Visual Impacts • Define community standards • Use planning process to identify impacts and define • management practices • Standards define dock dimensions, materials, • color, lighting • Management by geographic area more predictable

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