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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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Secondary Containment System Liner Replaced at Pueblo Plant

Published: April 15, 2017 | Category: PCAPP News, Technology
  • A scaffold enclosure surrounds Brine Concentrator Feed Tanks. The enclosure served as protection from weather during the installation of new coatings and will remain throughout plant operations to safeguard the coatings against inclement weather.

    A scaffold enclosure surrounds Brine Concentrator Feed Tanks. The enclosure served as protection from weather during the installation of new coatings and will remain throughout plant operations to safeguard the coatings against inclement weather.

  • New coatings line the Brine Concentrator Feed Tanks secondary containment system floor and walls.

    New coatings line the Brine Concentrator Feed Tanks secondary containment system floor and walls.

Secondary containment system recoating was completed April 13, repairing damage to the Brine Concentrator Feed Tank liner identified in November.

“After a period of heavy rain, moisture got underneath the free-floating membrane. The new liner, a fully-adhered membrane, will prevent the spread of liquid beneath the liner,” said Paul Warbington, environmental manager, Pueblo Chemical Agent-Destruction Pilot Plant (PCAPP).

The coating, a sprayed on polyurea, was applied directly to the prepared concrete containment structure. Resource Conservation and Recovery Act hazardous waste regulations require tanks holding hazardous waste be in a secondary containment system coated with a crack-free liner compatible with the hazardous waste, Warbington said.

In March, a temporary enclosure was built around the tanks to serve as protection against weather while the coatings were being replaced.

“The membrane was applied under controlled environmental conditions, creating a higher level of quality control on the finished product,” Warbington said.

The enclosure will remain intact during operations to keep stormwater out of the secondary containment system. Previously, any stormwater that accumulated in the area would have to be analyzed for hazardous waste constituents. The enclosure will keep stormwater out of the space, Warbington said.

“We now have a much better system for managing environmental precipitation and keeping it separate from the hazardous waste,” Warbington said.

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
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Recent PCAPP Articles

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