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By Steve Goldberg When the Tennessee Department of Transportation decided to improve a 4-mile stretch of Interstate 65, project manager Todd Cheek of Mid-TN Erosion was called in to assist with sediment control issues. As he describes the project, “It is the grading, drainage, and construction of a concrete I-beam bridge, a concrete box bridge, and concrete paving, incorporating 14 noise walls and 11 retaining walls. Basically, it is taking three lanes of concrete paving out to five lanes, both north- a...... continue reading
From: Erosion Control Topics: BMP New Construction, Sediment Control, Slope Stabilization
By Don Talend Slope stabilization work becomes particularly urgent when an unstable hillside dislodges rocks at heights of several stories and potentially cause injuries or property damage. That was the case in September 2011 in Weston, WV, when general contractor Orders Construction of Charleston, WV, was awarded a contract to eliminate the potential for large sandstone blocks to fall from a slope rising nearly 10 stories above a roughly 1,000-foot-long stretch of State Route 19 that runs along the Wes...... continue reading
From: Erosion Control Topics: Sediment Control, Slope Stabilization, Stormwater Management
By Margaret Buranen During the Middle Ages, alchemists were convinced that they had the solution to the world’s problems. All they had to do was figure out the formula for the right mixture. They were trying to turn ordinary substances, particularly straw, into gold. Hydroseeding is several centuries and much scientific knowledge removed from alchemy. But it has a kind of magic to it as well. To perform hydroseeding successfully takes knowledge of chemistry, plants, soil, machinery, and more. The magic ...... continue reading
From: Erosion Control Topics: Hydroseeding, Sediment Control, Slope Stabilization
When I was asked to write some words for this Director’s Message, I thought it would be a perfect opportunity to share some of my thoughts on one of the Iberoamerican Chapter’s main priorities, a priority also shared by the entire IECA Board of Directors. This priority deals with growing our association by encouraging more people to join. As you may know, the Iberoamerican Chapter incorporates many different countries, each with very different cultures and possibilities.* But we all have in common that ...... continue reading
From: Erosion Control Topics: Management, Research, Sediment Control
Written by Thomas Carpenter Sediment is the number one pollutant in the US. There is a fatal flaw in the ASTM D6460 test protocol that directly impacts erosion potential, and thus sediment pollution, from construction sites into our waterways. Updating the standard as soon as possible is the best means to effective turf reinforcement mat (TRM) performance! The erosion and sediment control industry is where the rubber meets the road—we have a responsibility to advise others and develop better pollut...... continue reading
From: Erosion Control Topics: Management, Regulatory Issues, Sediment Control
Written by Carol Brzozowski In every construction project, the dirt is the “X factor,” and companies that construct buildings can build several of the same kind of structures, notes Mike Christofferson. “But every place you build is going to be a little bit different as far as layout and what’s around it,” says Christofferson, president of Silver Leaf SWPPP, a turnkey erosion and sediment control company in Salt Lake City, UT, that provides services to contractors in engineering, installation, main...... continue reading
From: Erosion Control Topics: Gabions, Sediment Control, Slope Stabilization
Written by Dori Larna On June 28, 2012, a fire driven by high winds and scorching summer temperatures ravaged the hills—part of the Bannock Range—south of Pocatello, ID. The accidental fire ignited on Charlotte Drive, located at the upper end of a highly populated mountain community, traveled down the mountainside into the Mink Creek area, and eventually burned into the Gibson Jack area, the nearest northwestern valley. These regions that were once covered with dry grasses and juniper trees became ...... continue reading
From: Erosion Control Topics: Hydroseeding, Sediment Control, Slope Stabilization
Written by Janis Keating A draft of EPA’s new stormwater rule is scheduled to be released in June 2013, with finalization (after the public comment period) projected for December 2014. The rule, initially scheduled for implementation in November 2012, is expected to include such provisions as integrating green infrastructure into project design; viewing stormwater as a resource; and generally slowing the flow of runoff to allow more infiltration, which will not only reduce the volume of runoff but ...... continue reading
From: Erosion Control Topics: Management, Regulatory Issues, Sediment Control
Written by Janet Aird Segmental retaining walls have come a long way since humans first fit rocks together to hold back slopes. And although site owners have many additional retaining wall types to choose from—including reinforced earth, poured concrete, soldier pile, and soil nail—segmental walls, also known as dry-stacked and mortarless walls, are still the most popular. Modern blocks vary in size, shape, and appearance. What they have in common is their precision-engineered design. Their batter ...... continue reading
From: Erosion Control Topics: Retaining Walls, Sediment Control, Slope Stabilization
Written by Margaret Buranen There is a reason the Columbia River Gorge is known as “Mother Nature’s wind tunnel.” Running east to west for 80 miles, the Columbia River cuts a sea level channel through the Cascade Mountains, a path that explorers Lewis and Clark followed. The north side of the Columbia is Washington and the south side is Oregon. Its tributaries include Washington’s White Salmon River and Oregon’s Hood River. When the wind swirls down the Columbia River Gorge, kiteboarders, windsurfe...... continue reading
From: Erosion Control Topics: Hydroseeding, Sediment Control, Slope Stabilization
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