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Perc Test

New Expression Relating Kfs to Percolation Time

The Percolation Test (PT) rate of fall or “Perc Time” is still used in many jurisdictions to determine suitability for onsite sewage disposal or for sizing of soil absorption systems (drainfields) and stormwater infiltration BMPs. It has been understood for some time, however, that PT is less than ideal because it is not just a function of [more]

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Hydrotek Valve & IVM6000 Monitor Details for Freezing Climates

Click here for suggested Hydrotek valve and monitor details for freezing climates. For a suggested detail for moderate climates, refer to alternate drawing D6-003. Please contact kelly@dynamicmonitors.com if you would like to receive AutoCAD versions of these details to use in your own project drawings. D6-001-Winterized-Hydrotek-Valve-&-Monitor-Detail-Updated

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Hydrotek Valve & IVM6000 Monitor Details for Moderate (non-freezing) Climates

Click here for engineering details for using the IVM6000 Valve Monitor with Hydrotek valves in moderate climates. For a suggested detail for freezing climates, refer to alternate drawing D6-001. D6-003-Hydrotek-Valve-&-Monitor-Detail-Updated Please contact kelly@dynamicmonitors.com if you would like to receive AutoCAD versions of these details to use in your own project drawings.  

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ETC Pask Permeameter Kit

Comparison of the ETC Pask Permeameter to the Guelph Permeameter

The ETC Pask Permeameter is constant head well permeameter designed and manufactured by Dynamic Monitors. It can be used to determine the field saturated hydraulic conductivity (Kfs) or the T time or percolation time (perc time) of soil or other porous media. Although the instrument has some limitations compared to more expensive alternatives such as the Guelph Permeameter, [more]

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