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    gmc2000's Avatar
    gmc2000 Posts: 2, Reputation: 1
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    #1

    Dec 5, 2013, 02:51 PM
    How do you read 647 on a plat of survey
    Im trying to read an elevation on a plat of survey but they just give these numbers 647 and some like that. How do I read them
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Dec 5, 2013, 04:18 PM
    I can only assume that 647 is elevation in ft. MSL - Mean Sea Level. Where are you located? Is 647 ft. appropriate for your area.
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    gmc2000 Posts: 2, Reputation: 1
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    #3

    Dec 6, 2013, 06:13 AM
    Hi ma0641, Im located in Illinois, and what I really meant was that those numbers are for contour lines on a plat of survey, you know like different lines with different numbers like 647. I know they are different elevations but how do I convert them to inches if Im doing a 3d drawing with all its elevations. Thanks
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    ma0641 Posts: 15,675, Reputation: 1012
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    #4

    Dec 6, 2013, 08:42 AM
    If it is feet, X 12 = inches. If you are building a house, you would use a transit. The problem with a plat is that the base is planar but the elevations are not. Typically you would find a set point at the elevation, mark it as 0 and then use the transit for up and down.
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