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Dredge in the Fog

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Dredge in the Fog-Terminal 117 Superfund Site Tags: construction , dredge , EPA , superfund , Terminal 117 Photo: David Jenkins Just a dredge in the fog, on the Duwamish Waterway , in Seattle, Washington .
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Tags: BFM, BMPs, bonded, bonded fiber matrix, cescl, construction, construction erosion, construction erosion and sediment control, construction erosion control, erosion, erosion control, fiber, hydromulch, hydroseed, inspect, inspection, matrix — How to inspect bonded fiber matrix (BFM) application to verify uniform coverage.
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Hydroseeding on Blanket

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Hydroseeding on blanket is not the best way to get grass growing. The seed sits on the blanket which is a quarter to half inch above the soil. Since the seed needs to be in contact with the soil to have the best chance of growing, this will reduce the quantity of grass that grows. In a ditch, the more grass the better. The best way is to hydroseed first and then install the blanket. #hydroseed ​ ​
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Stockpile Cover

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Stockpile Cover and Berm Tags: berm, Best Management Practices, BMPs, cescl, construction, construction erosion, construction erosion and sediment control, construction erosion control, covered stockpile, erosion, erosion and sediment control, erosion control, plastic, stockpile, straw Wattle photo: David Jenkins For this stockpile cover and berm application, I think the contractor could have used a few more sand bags.
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This shows several simple clean water diversion BMPs in action during a heavy rain. While the construction project is complete and the grass has grown, you can see how they prevented erosion during the project when bare dirt was exposed to rain.
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Preparing for Fall and Winter Rains Tags: bark, cescl, clear and grub, construction erosion, cover, divert, erosion and sediment control, erosion blanket, erosion control, hydroseed, pipe slope drain, plastic sheet, rock, sand bag, sediment control, seeding, silt fence, straw mulch, topsoil, trackwalk Something I wrote up for Washington State Department of Transportation in 1996. I think it still applies. What do you think? Fall is approaching, now is the time to get construction projects ready. Here are some things to consider: Cover bare soil. Final grades can be covered with hydroseed, erosion blankets, ...
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Track Walk Slopes

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Track Walk to Reduce Erosion – Want a simple and effective way to reduce slope erosion by up to 50%? Don’t back blade your slopes, track walk them! #trackwalk #slope ​​​
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Guide to Handling Fugitive Dust from Construction Projects Purpose of Brochure This brochure is designed as a guide to provide practical examples of suggested best management practices necessary to comply with air quality regulations involved in the construction process. While Fugitive Dust can be created from a variety of activities, such as agricultural activities, this brochure will focus on Fugitive Dust that is created by construction activities. Air pollution from debris burning, plant operations, rock crushing and abrasive blasting, sometimes associated with construction activities, and are dealt with in other regulations and publications. For ...
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Check Dams

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Check dams are used in ditches to slow the velocity of flowing water, reducing erosive potential. An additional benefit of check dams is to allow some sedimentation in the ponded water behind the dam. Sand and some larger silt can be removed using check dams; colloidal particles cannot. These microscopic particles, with a negative electrical charge, resist sedimentation and are the chief cause of turbidity , or cloudiness of the water. This video clearly shows that the turbidity of water flowing in a ditch is the same after traveling through 8 check dams. #checkdam #turbidity
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This was taken on a trip down Highway 93 in Nevada at Cathedral Gorge State Park. Anyone else been here? Do you have any erosion pictures you want share from your road trips? #Rill #erosion
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#TreeProtection #SafetyFence
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Everyone on the construction site should know how to reduce and control fugitive dust including truck drivers. Here is a list of things they should be aware of: FUGITIVE DUST CONTROL for TRUCK DRIVERS Wet loads with a fire hose. Ensure adequate freeboard. Cover loads. Reduce speed on unpaved haul roads to less than 15 mph. Stay on gravel haul roads. Stay on paved haul roads. Avoid driving through mud and wet soil. Brush off mud from wheels, wheel wells, running boards and tail gates. Wash wheels and inner fender wells immediately prior to exiting. Use a tire wash if available. Call the truck boss ...
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