Question about Craftsman 20 Power Dumpy Level

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Depth measurement using a dumpy level.

How do you measure the depth of an excavation to a predetermined point just above the surface of the ground usinga dumpy level.

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  • Thomas F. Schneider May 11, 2010

    If I underastand you question correctly you want to know how to use you instrument to determan the depth of a hole,correct? Level instrument. place a stick into the ground just past the hole you wish to make or measure. Have someone else mark the spot that the instrument indicates. Measure with a tape down for there. or put two story sticks with a string on the mark between them if wish to measure closer to the bottom center.


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First level it up in all directions then take a shot of your tape measure or marker stick at the predetermined point, write this measurement down, then take a shot of your tapemeasure reaching down in the excavation and then subtract the predetermined measurment from the excavation measurment and this will tell you how much deeper your are than your predetermined mark.

Posted on Feb 13, 2009

  • Francis Nagel Oct 03, 2013

    Do i follow the same steps when i want to install a floor frame and level it


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