Download Assessment of Processing Gelled GB M55 Rockets at Anniston by National Research Council, Division on Engineering and PDF
By National Research Council, Division on Engineering and Physical Sciences, Board on Army Science and Technology, Committee on Review of Army Planning for the Disposal of M55 Rockets at the Anniston Chemical Agent Disposal Facility
In 1985, Congress mandated the destruction of the stockpile of M55 rockets kept at a number of chemical guns garage websites within the usa and its possessions as a result possibility that the rockets might self-ignite. threat checks played by means of the military point out the chance to the general public is ruled by way of M55 rockets containing the nerve agent sarin (GB). through the disposal of those GB M55 rockets at a domain in Tooele, Utah, it used to be came upon that the agent had gelled in an important percent of the rockets. In those circumstances, the traditional destruction approach wouldn't paintings. the military devised another mechanism for incinerating the gelled rockets, however the kingdom of Utah constrained their disposal expense utilizing this procedure. the military, in spite of the fact that, has due to the fact built plans for expanding the destruction cost of gelled rockets and proposes that this technique be used at Anniston Chemical Agent Disposal Facility (ANCDF) in Anniston, Alabama. to help during this attempt, the military requested the nationwide study Council (NRC) to judge the Army's plan for larger destruction premiums. Former Congressman Robert Riley (now Alabama's governor) additionally asked an NRC review. This learn was once performed via the NRC advert hoc Committee on evaluation of military making plans for the Disposal of M55 Rockets on the Anniston Chemical Agent Disposal Facility.
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Extra resources for Assessment of Processing Gelled GB M55 Rockets at Anniston
Sample text
Solid debris sometimes failed to dump as intended, choking the conveyor. Processing was also slowed somewhat by the need to handle the 419 overpacked (leaking) rockets stored at TOCDF (EG&G, 2002a). The RSMs enjoyed a very high availability rate, better than 95 percent (EG&G, 2002a). 38 rockets per hour, respectively. 7 rockets per hour), respectively (EG&G, 2002a). Gelled rockets numbering 5,287 from three specific munition lots were processed without draining. 0 rocket per hour delayed campaign completion, but a decision to coprocess multiple types of GB-filled munitions shortened the time that would have been needed for overall destruction of GB munitions if processing had been accomplished sequentially.
All other lots have lower percentages of leakers (SAIC, 2002a). M55 rockets were loaded with GB from various agent lots during the 1960s. S. Army, 1985, 1995b). Gelling problems in GB-filled M55 rockets were first encountered during the GB rocket disposal cam- paign at TOCDF. GB gelling had previously been encountered in a few 155-mm GB-filled projectiles at the Johnston Atoll Chemical Agent Disposal System (JACADS). Gelling is identified during processing when the agent fails to drain adequately after the agent cavity of the rocket has been punched open.
Thermal stressing of the DFS kiln led to cracks that were observed during maintenance and then repaired (Vaughn, 2002). The HDC was another source of system downtime. Conveyor link deformation associated with high-temperature operation allowed extra slack in the system, causing rollers to disengage from the track. Molten aluminum from the rocket bodies exiting the DFS spilled and caused additional jams. Solid debris sometimes failed to dump as intended, choking the conveyor. Processing was also slowed somewhat by the need to handle the 419 overpacked (leaking) rockets stored at TOCDF (EG&G, 2002a).