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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

      Vision: Chemical Weapons Free by 2023

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      Blue Grass Chemical Agent-Destruction Pilot Plant (BGCAPP)

      BGCAPP is safely destroying the chemical weapons stockpile currently in storage at the Blue Grass Army Depot near Richmond, Kentucky.

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      PCAPP is safely destroying the chemical weapons stockpile currently in storage at the U.S. Army Pueblo Chemical Depot in Colorado.

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Sprung Structures Rise at Static Detonation Chamber Sites

Published: December 13, 2019 | Category: PCAPP News, Technology
  • Workers erect a frame Dec. 10, 2019, for the Sprung structure that will cover a Static Detonation Chamber at the Pueblo Chemical Agent-Destruction Pilot Plant. Three SDC units will augment main plant operations by destroying munitions that are not suitable for automated processing.

    Workers erect a frame Dec. 10, 2019, for the Sprung structure that will cover a Static Detonation Chamber at the Pueblo Chemical Agent-Destruction Pilot Plant. Three SDC units will augment main plant operations by destroying munitions that are not suitable for automated processing.

  • Parts for Sprung structures that will cover Static Detonation Chambers arrive in September 2019 at the SDC construction site at the Pueblo Chemical Agent-Destruction Pilot Plant. Three SDCs will augment main plant operations by destroying munitions that are not suitable for automated processing.

    Parts for Sprung structures that will cover Static Detonation Chambers arrive in September 2019 at the SDC construction site at the Pueblo Chemical Agent-Destruction Pilot Plant. Three SDCs will augment main plant operations by destroying munitions that are not suitable for automated processing.

Workers at the Pueblo Chemical Agent-Destruction Pilot Plant have begun erecting a structure to cover the first Static Detonation Chamber.

“This is real progress,” said Matt Crookshanks, manager, SDC. “Enclosed structures will allow us to continue final installation activities of the SDCs in inclement weather, open work fronts for various piping and electrical installation activities, and will protect the equipment and coatings during the (assembly) phase of the project.”

In early December, Pueblo County joined the Colorado Department of Health and Environment in issuing temporary authorizations allowing canopies to be built that will cover the plant’s SDC units.

The tension fabric coverings, also known as Sprung structures, arrived disassembled in late September on two flatbed freight trucks. They will shelter the SDC units, three of which will augment the main plant by destroying munitions not suitable for its automated process.

An SDC uses electrically generated high-temperature heat to detonate or deflagrate the projectiles. The mustard agent and energetics are destroyed by thermal decomposition. Off-gases are treated by an air-pollution equipment system. The 4.2-inch mortar rounds cannot be processed safely in the plant’s disassembly and drainage system and will be processed through the SDC units.

In addition to the environmental enclosure, the governments’ temporary authorizations also allow for a filtration system.

Crookshanks said the team pre-assembled as much of the structure as possible on the ground before the temporary authorization was approved to reduce the amount of elevated work needed and streamline productivity. The first structure is expected to be complete by the end of January 2020.

A similar enclosure covered the U.S. Army’s Explosive Destruction System, which was used from the start of agent operations at PCAPP in 2015 to the end of 2018 to destroy munitions that weren’t in good condition to go through the main plant.

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
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Recent PCAPP Articles

  • Colorado Governor Appoints New Advisory Commission Member

    Colorado Governor Appoints New Advisory Commission Member

    April 8, 2021
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    Strict Protocols Keep Pueblo Plant Safe

    January 20, 2021
  • Plants Operate with Pandemic Precautions in Place

    Plants Operate with Pandemic Precautions in Place

    December 17, 2020

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