Tag Archives: cleanliness

Summary of Major Points

Summary of Major Points

Posted on 16. Mar, 2009 by .

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Summary of Major Points: 1.    Flash Rust is the rust that occurs from the time the waterjetting process starts to the time the water used for the waterjetting process dries. 2.    Control the quantity of Flash Rust by Project Planning           • During Removal Process           • As Water is drying           • Keep the drying time to a minimum. 3. [...]

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Example of Heavy Flash Rust Swatch

Posted on 15. Mar, 2009 by .

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Example of Moderate Flash Rust Swatch:  Easy to prepare the swatches.  Keeps a constant light pressure.  Gives a clear distinction between light, moderate, and heavy.  The color transfers to only the cloth that is in contact with the surface. It can be difficult to interpret the various spots of color.

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Wipe or Sweep with Cloth Held in Hand

Posted on 15. Mar, 2009 by .

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Wipe or Sweep with a Cloth held in a hand  Make a bundle of cloth in your hand.  Swipe the dry cloth across the surface.  Make one swipe, up or down or sideways with the cloth touching the surface.  Try to avoid pressing the fingers against the surface. The following four pictures are examples of [...]

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VIS Guides for Visual Cleanliness

Posted on 15. Mar, 2009 by .

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Use of VIS Guides for Visual Cleanliness       Immediately after the cleaning, before the surface has flash rusted, (it might still be wet), evaluate the degree of Visual Cleaning. The visual cleaning evaluation often occurs while the surface is still wet. A section was cleaned with hand-held lances over a period of 3 days.  Then [...]

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