Green Stormwater Infrastructure - Volume 2: Guidebook (2017) / Chapter Skim
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Pages 24-32
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From page 24... ...
24 This section will prompt airport practitioners to assess drainage issues as well as known and potential sources of polluted runoff at their airport. This assessment will help to clarify which areas may or may not be suitable for GSI and to identify BMP design features that may need to be considered in planning for GSI.
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From page 25... ...
Screening GSI Best Management practices 25 The scale and type of operations at smaller GA airports, for example, often vary substantially from those at large commercial airports. Operations at GA airports would include activities such as self-service aircraft fueling (by pilots)
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26 Green Stormwater Infrastructure fueling areas into the industrial wastewater collection system rather than the separate collection system for runoff from other activities. Table 4 summarizes typical activities and pollutants associated with airside land uses and potential effects of those pollutants on runoff water quality.
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From page 27... ...
Airport Area Activities Pollutants Associatedwith the Area Possible Pollution in Runoff References/ Sources of Information Apron/ramp, flight operations Deicing, refueling, preparing the plane for subsequent flights (e.g., lavatory servicing) , and painting.
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28 Green Stormwater Infrastructure References and Other Information Sources • U.S.
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From page 29... ...
Airport Area Pollutant Sources Associated with the Area Possible Pollutants in Runoff References/ Sources of Information Parking garages and parking lots, roadways Oil leaks, vehicle and tire wear, road salt or other deicing and anti-icing chemicals, antifreeze leaks. Oil and grease, total petroleum hydrocarbons (TPH)
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From page 30... ...
Sand Filters 6 Sediment loads not excessive Low to moderate T, M Potential wildlife attractant if standing water persists Not arid or excessively hot Green Roofs 2 Relatively flat roof Moderate V Potential wildlife attractant More than 12 inches of rain/year Bioswales 8 Slope adequate to avoid standing water Low T, Sed, V Acceptable within runway safety and taxiway safety areas if slope meets FAA safety area requirements, potential wildlife attractant when there is standing water Wet climates Wetland Treatment Systems 9 High water table or wet climate Low to moderate V Potential creation of a wildlife attractant Airport Area Climate Potentially Suitable GSI BMP Number Hydrology and Other Site Considerations Effort Required for Maintenance Expected Maintenance Activities Regulatory Issues to Address During Design Commercial Buildings (Landside) All climates Bioretention 1 Sediment loads not excessive Moderate T, M, V, St Potential wildlife attractant Infiltration Galleries 4 Water table not too shallow, permeable soils, no underlying groundwater or soil contamination Low to moderate T None Sand Filters 6 Sediment loads that are not excessive Low to moderate T, M Potential wildlife attractant if standing water persists More than 12 inches of rain/year Bioswales 8 Slope adequate to avoid standing water Low T, Sed, V Potential wildlife attractant when there is standing water Wet climates Wetland Treatment Systems 9 High water table or wet climate Low to moderate V Potential wildlife attractant Parking Lot (Landside)
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From page 31... ...
Screening GSI Best Management practices 31 Airport Area Climate PotentiallySuitable GSI BMP Number Hydrology and Other Site Considerations Effort Required for Maintenance Expected Maintenance Activities Regulatory Issues to Address During Design Parking Areas (Airside) All climates Infiltration Galleries 4 Water table not too shallow, permeable soils, no underlying groundwater or soil contamination Low to moderate T None Sand Filters 6 Sediment loads not excessive Low to moderate T, M Potential wildlife attractant if standing water persists More than 12 inches of rain/year Bioswales 8 Slope adequate to avoid standing water Low T, Sed, V Acceptable within runway safety and taxiway safety areas if slope meets FAA safety area requirements, potential wildlife attractant when there is standing water All but the driest climates Filter Strips 7 None Low V Potential wildlife attractant, mowing height dictated by FAA regulations Ramp/Apron (Airside)
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From page 32... ...
32 Green Stormwater Infrastructure Airport Area Climate PotentiallySuitable GSI BMP Number Hydrology and Other Site Considerations Effort Required for Maintenance Expected Maintenance Activities Regulatory Issues to Address During Design Facility Buildings (Landside or airside) Not arid or excessively hot Green Roofs 2 Relatively flat roof Moderate V Potential wildlife attractant All climates Harvesting and Reuse 3 None Moderate to high Sed, St, V Potential wildlife attractant, local plumbing codes, water rights laws Roadways (Landside or airside)
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