Modern Apartment Elevations
If you want to determine if your foundation is moving differentially you will never to have the elevations of the foundation surfaces taken on more than one occasion over a period of time. You should wait until the weather conditions change. For example, if the weather has been dry, you should wait until after the ground is wet from several rains. This will give you the best chance for the changes in the elevations of the foundation to occur, if your foundation is moving differentially.
You should also know that the instruments used commonly by most inspectors, engineers and foundation leveling contractors are not all that accurate, that they require calibration fairly often and/or that they require some skill in use. Elevation readings should be taken in areas out of normal walking areas and the location of each reading should be taken in a place that can be fairly easily determined so that the elevation readings are taken at the same spot each time. The experts in measuring elevations are land surveyors. If you really want good elevation readings on the surfaces of your foundation, you should employ a land surveyor to take the elevation readings.
You should also know that the instruments used commonly by most inspectors, engineers and foundation leveling contractors are not all that accurate, that they require calibration fairly often and/or that they require some skill in use. Elevation readings should be taken in areas out of normal walking areas and the location of each reading should be taken in a place that can be fairly easily determined so that the elevation readings are taken at the same spot each time. The experts in measuring elevations are land surveyors. If you really want good elevation readings on the surfaces of your foundation, you should employ a land surveyor to take the elevation readings.
Modern Apartment Elevations
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