structures protect structural integrity
DESCRIPTION
Structures Protect Structural Integrity. Wood/less durable check dams vs. stone/more durable check dams. Green Girl LDS. Structures Protect Structural Integrity & Prevent Flooding. Culverts. Green Girl LDS. Green Girl LDS. Structures Protect Structural Integrity & Prevent Flooding. Culvert. - PowerPoint PPT PresentationTRANSCRIPT
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StructuresProtect Structural Integrity
• Wood/less durable check dams vs. stone/more durable check dams
Green Girl LDS
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StructuresProtect Structural Integrity & Prevent Flooding• Culverts
Green Girl LDSGreen Girl LDS
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StructuresProtect Structural Integrity & Prevent Flooding• Culvert
Green Girl LDS
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StructuresDos and Don’ts
Do’s• Do remove sediment, debris & trash from inlet
& outlet structures such as curb cuts, rip rap, sumps & grates.
• Do control and handle the removed sediment so it won’t get back into the storm system.
• Do prevent excessive ponding by inspecting underdrains.
• Do prevent flooding by clearing outlets of obstructions.
• Do protect the integrity of structures such as curbs, & walls.
• Do inspect less durable materials more often.
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StructuresDos and Don’ts
• Do inspect culverts to look for UV degradation, cross-section shape changes that may cause flooding, and corrosion.
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Erosion Prevention
• Erosion prevention is any practice that protects the soil surface and prevents the soil particles from being detached by rainfall or wind.
Green Girl LDS
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Erosion PreventionCover Soils with Fabrics
Green Girl LDS
Green Girl LDS
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Soil Quality ProtectionLimit Compaction
Green Girl LDS
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Sediment (aka Source) Control
• “Sediment Control is any practice that traps the soil particles after they have been detached and moved by wind or water”…
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Sediment (aka Source) Control
• …to prevent this!
Photo excerpted from “ODEQ Erosion and Sediment Control Manual”, DEQ, Apr 2005
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Sediment Control for Sheet FlowCompost Socks
OR DEQ
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Sediment Control for Sheet FlowWattles (are your friends!)
Green Girl LDS
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Sediment Control for Concentrated FlowsInlet Filters
Green Girl LDS
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Sediment Control for Concentrated FlowsProtecting Catch Basin Inlets
Green Girl LDSOR DEQ
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Erosion Prevention & Sediment ControlDos and Don’ts
Do’s• Do prevent erosion by keeping soil covered
and getting plants established.• Do prevent erosion by staying out landscape
areas when possible. This also prevents soil compaction, which slowly kills vegetation and creates erosion long-term.
• Do control sediment when erosion cannot be prevented by using wattles & filter sacks.
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Spills
OR Department of Environmental Quality
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Clean up the spill
Do• Determine what type of material has spilled• Block stormwater inlets• Use absorbent material to contain the spill• Remove contaminated soil from facility• Protective gear for workers
OR Department of Environmental Quality
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Clean up the spill
Don’t:• Dispose of hazardous material in the
garbage. Must be taken to a hazardous waste facility.
morguefile
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Notify the appropriate authorities
Do• Contact owner of the facility• Contact local jurisdiction emergency response• Contact OR Emergency Response 800-452-0311
Photo: morgueFile
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Spills
Do• Document the spill in the O&M report
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Take Home Messages
• These recommendations are general guidelines
• Check with the local jurisdiction for specific requirements
• Operations and Maintenance guidance document being developed for our region
• For more information, contact:[email protected]