Kingston, TN -

The Tennessee Valley Authority has completed an earthquake-resistant, underground retaining wall around the containment cell at the recovery site of the ash spill at the Kingston Fossil Plant.

The wall completely surrounds the 240-acre containment cell where recovered ash will be permanently stored.

Construction of the wall began in summer 2011 and was finished February 20th, almost a month ahead of schedule.

It is the largest wall of its kind in the U.S. at nearly 64,000 linear feet, the equivalent of 12 miles, and is designed to withstand a magnitude 6.0 earthquake.

The project team is now focused on completing installation of the cap and cover over the reinforced containment cell. The project remains under budget and on schedule to be completed by the end of this year.

In addition, TVA is restoring and enhancing the Swan Pond area by installing several recreational features, performing shoreline stabilization, constructing wetlands and planting a variety of native plants and trees. When this work is completed in spring 2015, there will be more than 3 miles of paved walking trails, fishing piers and docks, a pedestrian bridge and boat ramp, and wildlife habitat areas for the public to enjoy.

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TVA completes retaining wall at Kingston Recovery Site

Houston, TX (PRWEB) March 05, 2014

New Englands Shea Concrete Products made a splash in the Lone Star State with a very successful showing at the 2014 Precast Show. The National Precast Concrete Association (NPCA) named it winner of the Sustainability Award and also awarded it third place for Above Ground Precast in the Creative Use of Precast category.

We are very excited to win the Sustainability Award, said Manager Greg Stratis. Shea is very conscious of the environment and has incorporated other methods to be sustainable. They include recycling water from wash out and coring and recycling cardboard & paper, and installing high-efficiency lighting fixtures for the production plant.

The installation of a $1.4 million solar panel system for its Amesbury, MA production plant gives Shea the ability to operate under environmentally-friendly conditions, as solar panels are free of emitting harmful greenhouse gases. Beaumont Solar Company designed, engineered, and installed the solar panels that went live in August 2013.

These panels, which are American Recovery and Reinvestment Act (ARRA)-compliant, harvest an output that is on average 7% better than other panels annually and 20% more productive over the 25-year life of the system," said Beaumont Solar President and CEO Phil Cavallo.

The panels are a topic of conversation with other precasters, vendors and the local area. So many people are curious and amazed that we can run net-zero. It makes you feel proud, said Stratis.

Shea showcased its diverse concrete products in its Above Ground Precast honor. A Newport, RI seawall project alongside Ocean Avenue required specially-designed retaining wall blocks that Shea manufactured. The project focused on replacing a 300-foot failing retaining wall that was originally built in the 1930s. Of the 14 design proposals, Sheas team of Mello Construction Company, Contech Engineered Solutions, and Gary K. Munkelt & Associates separated itself as the only one to offer a complete seawall replacement.

The project was funded by the Federal Highway Administration and the Rhode Island Department of Transportation served as the liaison. This meant Sheas team of designers, engineers, and producers needed to follow all standards at the state and federal levels. The Ocean Avenue project was completed just in time for Tropical Storm Irene in August 2011 and Hurricane Sandy in 2012.

Shea Concrete Products is capable of manufacturing a large variety of products to meet all kinds of project specifications, Stratis said. Also, if there is an application to use or substitute precast and we currently do not make that product, then we are very open minded.

Shea manufactured the ReCon wet-cast modular retaining wall blocks that were specially-designed to withstand exposure to saltwater and provide a service life of about 75 years. Block dimensions run 48 long by 16 high and 60 in depth. The top block weighs a hefty 5,800 pounds to preserve the walls top against powerful waves.

Link:
Shea Concrete Products Takes Home Hardware at the 2014 Precast Show

SAN DIEGO - A retaining wall in the Golden Hill area may be on the verge collapsing, and a local building inspector says he received no response from the city when he notified them of the problem.

Resident Jessica McGrevin walks past the wall on C and 28th streets twice a day. She told 10News, "It kind of looks like it's just going to fall off. It's a little intimidating to walk by."

It was hard to capture with a camera exactly how much the wall is leaning, but it was enough to catch the attention of building inspector Erhard Gajewski as he drove by.

Gajewski said, "There's potential for this wall to come down."

Gajewski told 10News there's no way to tell when the wall could collapse, but he didn't even want to stand next to it while he talked to reporter Itica Milanes.

"I don't want to be too close to it. Well, who knows when it's going to go," he added.

Gajewski said he called the city of San Diego's Code Enforcement to put it on their radar, but he hasn't heard back from anyone.

10News called and spoke with a Code Enforcement officer, who said he came out and took pictures of the wall Wednesday. The officer described the wall as very alarming and scary but doesn't think it's going to collapse right away. He did promise to have an engineer come check it out.

The Code Enforcement officer said he'll contact the property owner and send them a notice to have the wall repaired immediately.

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Wall may be on verge of collapse

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Updated: Monday, March 3 2014 7:00 PM EST2014-03-04 00:00:55 GMT

KINGSTON (WATE) - The Tennessee Valley Authority says it has reached a milestone in its cleanup of the ash spill at the Kingston Fossil Plant: the completion of an earthquake resistant, underground retaining wall around the containment cell at the recovery site.

TVA says the wall completely surrounds the 240-acre containment cell where recovered ash was permanently stored.

The wall was completed on February 20, almost a month ahead of schedule.

Construction of the wall began in summer 2011. TVA says it is the largest wall of its kind in the U.S. at nearly 64,000 linear feet, the equivalent of 12 miles. It is designed to withstand a magnitude 6.0 earthquake.

The project team is now working on installing the cap and cover over the containment cell. This is expected to be complete by the end of the year.

TVA is also restoring and enhancing the Swan Pond area by installing recreational areas, performing shoreline stabilization, constructing wetlands and planting a variety of native plants and trees.

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Retaining wall installed around ash containment unit at Kingston spill site

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TVA finishes massive ash spill retaining wall

By Ken Boddie Updated: Monday, March 3, 2014, 6:47 pm Published: Monday, March 3, 2014, 5:24 pm Related Content

MILWAUKIE, Ore. (KOIN) Beginning Tuesday, TriMet will clean graffiti off a retaining wall near the under-construction Portland-to-Milwaukie light rail line.

But once the line is up and running, any future graffiti will become the problem of Bill Corti, who owns the Monroe Street property the retaining wall is on.

I think that TriMet needs to take responsibility since I had nothing to say in the design of this wall, Corti told KOIN 6 News. They need to come back and clean it in the years ahead.

TriMet built the retaining wall on Cortis property to replace another wall that Corti owned and was responsible for maintaining. TriMet officials said the previous wall and stairwell were aging, so the new wall is an improvement and is safer.

But once the light rail line begins in September 2015, ownership of the wall reverts to Corti and so does the responsibility for cleaning the graffiti.

Corti said theres no way he knows of to appeal this issue, unless theres an agreement between TriMet and me.

I wish they had contacted me before they had their plans finalized. I wish that we had had a say in this, he said Monday.

Milwaukie Mayor Jeremy Ferguson, March 3, 2014 (KOIN 6 News)

The deal is between TriMet and the city of Milwaukie.

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TriMet wall becomes homeowners problem

A truck is seen traveling over Sharpes Ferry Bridge in Ocala on Monday.

The Sharpes Ferry Bridge appears to be as good as new.

State transportation officials have announced that repairs to the retaining wall at the bridge were completed last week, and the bridge is fully open to traffic again.

A 250-foot-long section of a that wall at the span along County Road 314 collapsed after Tropical Storm Debby blew through Marion County in June 2012.

The piece that gave way was part of the roadway support on the approach to the bridge.

Taxpayers did not have to shell out any additional money for the repairs, Florida Department of Transportation officials said. The reconstruction was covered under the original contracts warranty.

According to FDOT officials, the Houston-based contractor, Orion Marine, rebuilt the retaining wall and also reinforced and strengthened all of the wall quadrants.

FDOT spokesman Steve Olson said the state did pay roughly $186,200 for inspectors and other managerial services on the project. But the agency has sent a letter to the contractor requesting reimbursement for that cost.

The incident occurred less than three months after the new, $8.2 million bridge had opened to traffic.

The new structure had replaced a narrower iron truss span that dated to the mid-1920s.

Excerpt from:
Sharpes Ferry Bridge all fixed; Contractor pays for work

Retaining Wall Design Ideas: Brentwood CA - 925-516-1289 (California)
Retaining Wall Design Ideas: Brentwood CA - 925-516-1289 (California) Retaining Wall Design Ideas Brentwood CA http://www.cummingslandscape.com 0:03 - Retain...

By: Cummings Landscape Design

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Retaining Wall Design Ideas: Brentwood CA - 925-516-1289 (California) - Video

Priscilla retaining wall build.
Builing a 4x4 railroad tie retaining wall.

By: luis ruiz

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Priscilla retaining wall build. - Video

A 35-year-old Springdale man was killed Sunday after the sport utility vehicle he was riding in veered out of control in a curve and hit a retaining wall, authorities said.

It happened shortly before 2 p.m. on Interstate 540 in Rogers. Arkansas State Police say a 2004 Dodge Durango was southbound on the highway when it went out of control in a curve, hit a guardrail and then struck the wall.

Passenger Bruce Kanki died at the scene. The driver, 24-year-old Daniel Naisher of Springdale, and another passenger, 28-year-old Allee Naisher of Springdale, were taken to Mercy Hospital in Rogers with unspecified injuries.

Conditions at the time of the wreck were described as wet with snow falling.

The death was the 52nd fatality in a traffic crash in Arkansas so far this year, according to preliminary figures.

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Springdale man killed after SUV hits I-540 wall