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Non-Aligned Buildings |
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The first step in this process requires that you get a compass reading for the wall that you will be placing the instrument adjacent to. This generally cannot be done from inside of the building because of interference by ferrous materials. The best method for doing this is from the outside and from a distance of about 30 feet. |
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We generally assume that interior walls are perpendicular or parallel to each other. In most cases any wall may be used and 90 degrees can be added or subtracted (for perpendicular walls) to the reading if the wall you are using is not an exterior wall. Take the plywood box outside of the building and set it on a level surface. Align the box to the reading you obtained for the wall you will align the box to inside of the building. Using the compass, determine true north and mark the box on the edges to match the reading. These will be your alignment marks for the K2 when you place the place the plywood box. Take the box inside and place it on the predetermined spot. Mark the holes for fastening the box to the concrete. Place the K2 inside the box and align it to the true north marks that are on the box. Proceed with the instructions for Building Installations.
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