Demonstration of dehumidification for corrosion control in earth covered magazines : final report on Project F07-ARCTC02

McInerney, Michael K.; Marshall, Orange S.; Gintert, Lawrence A.

doi:10.21079/11681/29971

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“…Previously, two ECM moisture reduction projects were conducted at Fort A.P. Hill: one to evaluate EOP technology (Marshall 2009), and one to evaluate dehumidification technology (McInerney, Marshall, and Gintert 2018). The results of those projects were inconclusive because Fort A.P.…”

Section: Tablesmentioning

confidence: 99%

“…In addition to evaluating moisture intrusion, a series of explosives safety tests was performed following recommendations of the Army Technical Center for Explosives Safety and EOP operational and design requirements. The effectiveness of DH technology in reducing interior humidity in ECMs has also previously been evaluated (McInerney, Marshall, and Gintert 2018). The performance of the DH systems was evaluated by recording the moisture levels inside the test ECMs for a period of one year.…”

Section: Project Overviewmentioning

confidence: 99%

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Demonstration of electro-osmotic pulse and dehumidification technologies to mitigate corrosion in earth-covered magazines : final report on Project F08-AR23

McInerney¹,

Marshall²,

Clark³

et al. 2019

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The Department of Defense (DoD) maintains many earth covered magazines (ECMs) on its installations including tropical coastal marine properties. ECMs are used to store a wide variety of explosive ordnance. Coastal marine locations are exposed to extreme humidity, high rainfall, and a chloride-infused atmosphere. These conditions create a damp, highly corrosive environment inside ECMs and can severely damage the structures and their contents, and promote mold growth that is hazardous to human health. The objective of this demonstration project was to install and evaluate electro-osmotic pulse (EOP) and dehumidification (DH) technologies in an Army ECM on Guam to mitigate water intrusion and excessively high interior relative humidity (RH), respectively. The demonstration was intended to evaluate how effective this technology combination is at reducing corrosive and unhealthy conditions inside an ECM. Demonstration results were promising but mixed. The DH system held interior RH to 40%-60% while outdoor RH ranged from 85%-95%. However, the demonstration period was not long enough for the EOP system to reach equilibrium and fully stop seepage. Because the EOP success metric could not be validated for purposes of calculating the project return on investment, the reported return is based only on DH system performance. DISCLAIMER: The contents of this report are not to be used for advertising, publication, or promotional purposes. Citation of trade names does not constitute an official endorsement or approval of the use of such commercial products. All product names and trademarks cited are the property of their respective owners. The findings of this report are not to be construed as an official Department of the Army position unless so designated by other authorized documents.

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Section: Tablesmentioning

confidence: 99%

Section: Project Overviewmentioning

confidence: 99%