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Program Executive Office, Assembled Chemical Weapons Alternatives (PEO ACWA)Program Executive Office, Assembled Chemical Weapons Alternatives (PEO ACWA)Program Executive Office, Assembled Chemical Weapons Alternatives (PEO ACWA)Program Executive Office, Assembled Chemical Weapons Alternatives (PEO ACWA)
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      Program Executive Office, Assembled Chemical Weapons Alternatives (PEO ACWA)


      Mission: Destroy Chemical Weapons Stockpile

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First Explosive Destruction System Campaign Reaches Midpoint Ahead of Schedule

Published: July 14, 2015 | Category: PCAPP News
Steve Bird, right, describes how the Pueblo Chemical Agent-Destruction Pilot Plant Explosive Destruction System destroys munitions to U.S. House of Representatives staff members during a June 30 tour.

Steve Bird, right, describes how the Pueblo Chemical Agent-Destruction Pilot Plant Explosive Destruction System destroys munitions to U.S. House of Representatives staff members during a June 30 tour.

On June 18, operators document the first three 4.2-inch mortars to be destroyed by the Pueblo Chemical Agent-Destruction Pilot Plant Explosive Destruction System.

On June 18, operators document the first three 4.2-inch mortars to be destroyed by the Pueblo Chemical Agent-Destruction Pilot Plant Explosive Destruction System.

The Pueblo Chemical Agent-Destruction Pilot Plant Explosive Destruction System (PCAPP EDS) has reached the halfway point in its first campaign to destroy problematic chemical munitions stored at the U.S. Army Pueblo Chemical Depot (PCD). As of July 7, 2015, the EDS has eliminated 283 items, including 10 Department of Transportation bottles, 243 105mm projectiles and 30 4.2-inch mortar rounds.

“The halfway point is a good time to think about the successful progress to date,” said Bruce Huenefeld, PCAPP EDS site project manager. “It was reached about three weeks ahead of schedule thanks to the EDS crews and their diligent efforts to follow all procedures and look for process improvements.”

Each day begins with staff checking the monitoring equipment and the lab, followed by a crew safety briefing and daily operations order. The crew follows a pre-operational inspection checklist to ensure each piece of equipment is operating properly. Next, weather conditions are checked, as are power sources and water. The communication system is verified operational, and the availability of emergency services and security is confirmed.

Before operations can begin, the required number of personnel needed to perform an operation is established. Munitions are removed from a storage igloo, unpacked and loaded onto the EDS. “The PCD Operations Center and Chemical Operations units have delivered munitions and provided support and oversight for each day of operations,” said Huenefeld. “We couldn’t have reached the halfway milestone early without the depot’s partnership and support.”

After detonation, neutralent is pumped in and the vessel is rotated. A neutralent sample is collected and analyzed, and then drained from the vessel. Water is added to the vessel, and steam heated for two hours, reaching 100 degrees Celsius. After the hot water is drained, the vessel is filled with cold water, rotated and drained. The EDS door is opened and an air sample is collected and analyzed. Finally, the vessel is cleaned and prepared for the next day.

One detonation, known as a “shot,” is conducted per day and may consist of up to six munitions. The schedule first called for the destruction of Department of Transportation bottles, then 105mm projectiles. On June 18, three 4.2-inch mortar rounds, the second type of munition to be processed, were combined with three 105mm munitions.

Earlier this month, 155mm munitions were introduced. At first, just three were eliminated in the EDS vessel in as many shots. After mixing in different configurations (i.e., three 155mm rounds with two 105mm projectiles; three 155s and three 105s; three 155 rounds and three 4.2-inch mortars, etc.), the EDS will move to processing the majority of the 155mm projectiles in shots using the ‘six-pack’ configuration.

More PCAPP Technology Articles

  • Attention to Detail Prevents System Clogs

    Attention to Detail Prevents System Clogs

    Published: March 23, 2021
  • Innovative Solution Reduces Problematic Munitions

    Innovative Solution Reduces Problematic Munitions

    Published: March 4, 2021
  • Pueblo Plant Upgrades Closed-Circuit Camera System

    Pueblo Plant Upgrades Closed-Circuit Camera System

    Published: February 10, 2021
  • Pueblo Chemical Agent-Destruction Pilot Plant Automation Specialist Wendell Savage teaches the Training Facility robot about the new Drained Munition Weight Station. Later, the lessons were applied to the plant’s Munitions Washout System.

    Pueblo Plant Worker Instrumental in Campaign Success

    Published: February 2, 2021
  • Static Detonation Chamber Units Begin Testing

    Static Detonation Chamber Units Begin Testing

    Published: December 22, 2020
  • Workers Reconfigure Equipment for Next Destruction Campaign

    Workers Reconfigure Equipment for Next Destruction Campaign

    Published: November 30, 2020
  • Safety System at Pueblo Plant Receives Upgrade

    Safety System at Pueblo Plant Receives Upgrade

    Published: November 20, 2020
  • A Pueblo Chemical Agent-Destruction Pilot Plant laboratory employee leads community stakeholders on a tour of the facility on Oct. 14.

    Stakeholders Tour Plant, Evaluate Future Usability of Items

    Published: October 30, 2020
  • Plant Sets Best Three-Month Processing Record

    Plant Sets Best Three-Month Processing Record

    Published: October 7, 2020
  • Pueblo Plant Operating Under Final Hazardous Waste Permit

    Pueblo Plant Operating Under Final Hazardous Waste Permit

    Published: October 1, 2020
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Related Pages and Facts

  • Explosive Destruction System

    November 15, 2016

Related News

  • Rejected Munitions Take Different Route to Destruction

    Rejected Munitions Take Different Route to Destruction

    October 3, 2016
  • Special Containers Protect Some Projectiles

    Special Containers Protect Some Projectiles

    August 10, 2016
  • First Explosive Destruction System Campaign Successfully Completed

    First Explosive Destruction System Campaign Successfully Completed

    February 19, 2016
  • Site Project Manager Recounts Year of Accomplishments

    Site Project Manager Recounts Year of Accomplishments

    January 8, 2016
  • System Restarts Chemical Agent Destruction Operations in Colorado

    System Restarts Chemical Agent Destruction Operations in Colorado

    October 6, 2015

Related Videos

  • Colorado System Completes First Step in Munition Elimination

    Colorado System Completes First Step in Munition Elimination

    March 8, 2016
  • U.S. Army Destroys Reject Chemical Weapons Safely, Efficiently

    U.S. Army Destroys Reject Chemical Weapons Safely, Efficiently

    October 22, 2015
  • ACWA Snapshot: PCAPP Explosive Destruction System: The First Step in Eliminating Munitions

    ACWA Snapshot: PCAPP Explosive Destruction System: The First Step in Eliminating Munitions

    October 9, 2015
  • PCAPP Explosive Destruction System: The First Step in Eliminating Munitions

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    October 7, 2015
  • Honoring Our Commitment: The Start of Chemical Stockpile Destruction in Colorado

    Honoring Our Commitment: The Start of Chemical Stockpile Destruction in Colorado

    February 12, 2015

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Program Executive Office, Assembled Chemical Weapons Alternatives (PEO ACWA)