Dust Abatement Guide for USMC

Major Benjamin Mencke
2011-07-29
U.S. Marine Corps - AGS Students

Dust Abatement

Major Benjamin Mencke

Purpose

•The purpose of this presentation is to familiarize AGS students with dust abatement materials, equipment, and procedures used to mitigate dust for base camps, roads, and helipads.

Learning Objectives

•Identify the different types of dust palliatives
•Describe the methods used to apply dust palliatives

 

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References

•Dust Abatement Handbook, Standard Practices for Mitigating Dust on Helipads, Roads, Airfields, and Base Camps.  U.S. Systems Command.   PCN 50011240000
Outline
•Dust palliatives
•Application Techniques and Methods
•Equipment needed
•Tips for selecting dust palliatives
Dust Palliatives Usage
•Mitigating dust on helipads
•Mitigating dust on roads
•Mitigate dust in base camps and non-traffic areas
Dust Palliatives
•Polymer emulsions
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•Synthetic fluids
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Application Techniques
•Soil type
•Intended use
•Application rates
•Dilution ratios
Application Methods
•Topical method
–Most commonly used technique
–Not durable for heavy traffic areas
•Admix method
–Deeper incorporation into soil
–Depth for roads should be at least 3 inches
–Depth for airfield should be at least 4 inches
Recommended Applications
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Product Names
•Rhino Snot, Gorilla-Snot, Durasoil, EnviroKleen, Soil Sement, Soiltac, Dustaway, Permazyne, Calcium Chloride, Top Seal, Freedom Binder, Lignosulfate, Magnesium Chloride, and the list goes on
•Regardless of the product name, dust abatement materials are all the same, right?
•Wrong:  Different products require different dilution ratios, cover different areas, and vary in cost
Envirotac II aka “Rhino Snot”
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Soilworks “Gorilla-Snot”
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Calculating Requirements
•Determine area to be treated (sq. yd.)
•Use undiluted coverage value in gallons per square yard (gsy) and mix ratio (gal of water to gal of material)
•Determine product amount
•Determine gallons of water and amount of product needed by shipping container
•Example:
  1. 100 * 100 ft. landing zone = 10,000 sq. ft.
  2. 10,000 sq. ft. / 9 (sq. ft. per sq. yd.)  = 1111 yd2
  3. 1111 * 1.2 gsy (application rate) = 1333.2 gallons polymer
  4. 1333.2 gal. * 3 (from 3:1 dilution ratio) = 3999.6 gal. water
  5. 1 Tote = 275 gal. 1333.2 / 275 = 4.84 totes
•When in doubt, READ THE PRODUCT INFO!
Equipment
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FINN HYDROSEEDER
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CATERPILLAR 613CWD
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HMMWV Sprayer
Additional Equipment
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Tips for Selecting
Dust Palliatives
•Logistics considerations
–Synthetic fluids weigh around 7.4 pounds per gallon
–Polymer emulsions, over 9 pounds per gallon
–Typical container (Tote) 275 lb. container
•Approximately 2,000 lbs. for synthetic fluids
•Approximately 2,500 lbs. for polymer emulsions
•Certain emulsified products have a limited shelf life
•Generally, emulsions must be kept away from extreme heat, ultraviolet light, and freezing temperatures
•Synthetic fluids do not have limitations on shelf life
•Goal is to use equipment that will allow the most efficient progress
–Hydro seeder can spray over 100 gpm
–613C can spray up to 850 gpm
•Factor time for transporting water and filling the equipment
•Add product to container after dilution water has been placed in tank to reduce foaming
•Rinse equipment with water after applying palliatives
•Compacting soil is a requirement for proper topical application
Quantifying Dust Problems
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•MV-22 NATOPs used for measuring dust problems
•Historical data can be compared against dust abatement materials and application methods
•Approach dust abatement as a science and not as opinion
Summary
•Identified the three types of dust palliatives
•Described the two methods used to apply dust palliatives
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