Sloped floor
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If the large floor area within the device has a slope with an east-west difference of 800 mm, how should the elevation of the equipment foundations on the floor be determined?
If the relative elevations of the towers are all the same, then in the higher areas less of the foundation will be exposed above the floor level, while in the lower areas more of the foundation will be exposed above the floor level – is the difference 800 mm?
What we did finally was to use a central elevation in the installation as the reference elevation of 0, with all the heights above the ground level being the same
1. Divide it into 2–3 sections and select 2–3 foundations (this can lead to confusion). 2. Use the upper surface of the concrete foundation as the reference elevation (the downside is that part of the foundation ends up exposed above the ground). 3. Use absolute elevations, taking into account the variations in the ground level