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Vol. 37 No. 2       A monthly publication of the Los Angeles District of the U.S. Army Corps of Engineers        September 2007

Feature Stories

Corps responds to Nogales emergency
By Jennie Ayala & Sherrie Stewart

NOGALES, Ariz. – The L.A. District of the Army Corps of Engineers responded to an emergency situation in this border city resulting from a spate of heavy rains during the last weekend in August.
 
During the weekend of Aug 25, Arizona Secretary of State Jan Brewer, acting in Governor Janet Napolitano's absence, declared an emergency in Santa Cruz County because heavy rains had damaged a drainage channel in Nogales. The damage could have caused a sewage spill that would have spewed millions of gallons of untreated waste into the Santa Cruz River.  Brewer’s declaration allowed for mobilization of state resources and authorization of $200,000 from the state general fund to help the city.

Local officials called in Army Corps of Engineers technical crews, among others, to provide recommendations on just what could be done to prevent a potential sewage spill and structural failure of the wash walls, railway and the bridge.
 
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Army Corps of Engineers employees and local individuals from Nogales, Ariz. gather to plan out a strategy to repair the Nogales Wash walls after heavy rains damaged them. The damaged area is approximately four miles south of the Corps’ current flood control project in Nogales.
Julie Martinez, a resident engineer from the Corp’s Tucson Resident Office and John Taylor, a Project Engineer, traveled to Nogales to meet with local officials, emergency response teams and engineers with the International Boundary Water Commission (IBWC) to discuss and implement a plan to prevent further erosion and protect the sewage channel.
  
Martinez recommended laying large angular granite rock to add stability to the sand-bagging process already underway in the wash. Grout-covered sandbags were set along the eroded areas above the sewer line and a berm of sandbags was constructed to divert the flow in the wash away from the west wall.  She also insisted that a geotechnical engineer inspect the west wall of the wash.
 
“Another storm was predicted for that afternoon,” Martinez said. “Lookouts along the south and in Mexico stood watch – ready to signal any surge of water. Men and equipment were in the wash and everyone was concerned with their safety- and a swamped dump truck or dozer would add to the problem. If another pulse (flash flood) caused more erosion, the wall could collapse and block the wash. The railway could also be compromised, and worst case scenario, the nearby prison flooded necessitating an evacuation.”
   
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Workers walk along the Nogales Wash to inspect for damage incurred during the rains that came down the weekend of Aug. 25. The damage could have caused a sewage spill that would have spewed millions of gallons of untreated waste into the Santa Cruz River.
By the evening of Aug. 27, the immediate danger had passed, but the instability of the west wall remained. Col. Thomas H. Magness IV, District Commander for the L.A. district, said he was pleased with the response members of his team provided to the city and county.

"The situation in Nogales was critical and we did everything we could to help,” Magness said. “We deployed our A-Team to provide technical assistance to include our Chief Engineer, Bob Koplin, and some of his staff engineers.  Together they have provided the technical data that has allowed the city, state, and local entities to develop some short term solutions.  We worked with the IBWC and our Congressional delegation, all of whom were very much engaged in this issue, to develop a longer term way ahead.  I am real proud of the effort from Bob Koplin and his engineers and believe that, together with the rest of the team, we have provided some measurable, meaningful relief to the citizens of Nogales," said Magness.

The damaged wash area is approximately four miles south of the Corps’ current flood control project in Nogales.  Construction, consisting of grouted stone bank stabilization, began in 2006 on the Chula Vista Channel.  Future flood control efforts include further bank stabilization in the wash, two bridges, replacement of the sewer line and the construction of the diversion channel that will protect the Chula Vista community and a historic fire station.

Public law 84-99 authorizes the Army Corps of Engineers to provide technical and direct assistance to local governments for emergency repair and restoration of flood damaged or destroyed flood control works.  Corps assistance is considered a supplemental source when local government funding for these efforts is exhausted.
 
For detailed information on the Corps emergency assistance role in flood control please visit our national website at http://www.usace.army.mil/cw/cecwhs/em/cecwhs_em.html.

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Corps crews keep Fort Irwin training area UXO-free 
By Jay Field

FORT IRWIN, Calif. -- With more than 1000 isolated square miles in the Mojave Desert for maneuver and ranges, Ft. Irwin’s National Training Center (NTC) is ideally situated to train troops for the fight they face today against terrorism in the Middle East.

Every year, more than 50,000 Soldiers visit the desert here to train before heading to the deserts of Iraq.  Training centers around the dozen Corps-built Iraqi-style villages and includes a variety of explosives, rocket-propelled grenades and sniper fire to accurately portray the threats Soldiers will face overseas.

While troops keep a watchful eye for snipers, suicide bombers and improvised explosive devices, the Corps’ Jim Reed looks for munitions and explosives material.

“You name it.  If it’s been fired at Ft. Irwin, we take care of it and process it,” said Reed.

A 25-year Navy Explosives and Ordnance Disposal (EOD) technician and 10-year Corps employee, Reed oversees the contract with the environmental restoration company American Technologies, Inc. that clears the NTC’s training ranges of ordnance and explosives (OE) debris.

Reed and his contracted crews go to the ranges and first mark all live ordnance for the Army’s EOD unit to “blow up” or render safe.  Reed’s crews then go to work retrieving and processing all ordnance scrap.

“During this task order, we’ve picked up over two million pounds of OE scrap,” Reed said.

Ordnance gleaned from the ranges - including mortars, rockets, projectiles and practice bombs -  is mechanically processed, demilitarized and certified free of energetic material.  The scrap metal is then sold through the Qualified Recycling Program, saving the government millions of dollars annually.  More importantly, the process prevents explosive accidents from occurring by keeping live ordnance out of the community.

Col. Thomas Magness, Los Angeles District Commander, twice assigned to the NTC as an observer-controller, said Reed’s crews take care of OE debris that would otherwise hinder the training of troops.

“I’ve been out there and when you run into something you’re not sure of you stop training to call for somebody to help, only to find out it’s scrap,” Magness said.  “You could see how important this mission is to the training that goes on at the NTC.”

Magness said the scope of the project is sizeable no matter how one measures it:  a $30M contract over five years, with tons of scrap ordnance sold as scrap metal, clearing the way for critical training for troops headed to combat in Iraq and Afghanistan.

Ft. Irwin, with the help of the Corps and Reed’s crews, stands out as a leading example of the Army’s commitment to environmental stewardship of the more than 16 million acres of land it manages while it prepares Soldiers to fight the global war on terrorism.


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