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Dramatic example of the effect of rainfall on a smooth versus rough slope. The rough side was “track walked” using a small Caterpiller tractor, the other side was “back-bladed” smooth with the same tractor. Both test plots were prepared with the same soil and then sprayed with bonded fiber matrix (BFM) with seed and fertilizer. . . . → Read More: Construction Erosion Control – Rough vs Smooth Slope Temporary construction erosion and sediment control means managing storm water until the permanent storm system is operational and the site has been stabilized with vegetation, concrete, asphalt, landscaping and other practices. This 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 . . . → Read More: Hydroseeding on Blanket Instead of Under Not the Best Last week’s video showed how a creative contractor constructed a slope tracking excavator bucket. This video shows the effect of a little rain on the slope. This is why the contractor didn’t want to use a heavy piece of equipment to track the slope as they knew that the slope would unravel from being too . . . → Read More: Rain on Roughened Slope Causes Slump of Eroded Mud into Ditch Leave it to the contractor to come up with creative solutions. Confronted with a small, steep slope and wet soil, the contractor didn’t want to risk walking a small caterpiller up and down to roughen it before hydroseeding. Using some angle iron and an excavator bucket, they welded up a slope tracker. The operator tamps . . . → Read More: Creative Contractor Makes Slope Tracking Excavator Bucket I know, great name for an erosion and sediment control product, right? These work great if you are trying to reduce the total amount of sediment being discharged from a project. But, if you have to reduce the turbidity of the water to meet water quality standards, this won’t do it. . . . → Read More: Pumping to Dirt Bag Doesn’t Reduce Turbidity of the Water It looks like a dirty, poorly managed site on first inspection, but is it really? When you get the whole story this project turns out have a low risk for water quality compliance violations. Dirt loaded into front loader bucket and hauled to stockpile, or dirt side cast onto asphalt: which is cheaper? How about no sweeper needed, no dirty water going down the drain. I go with the first answer. |
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