Steel column survey advice
Hi guys
Later this week I have to survey 20 vertical steel columns in a building. The builder is extending the building upwards and needs to know the exact location of the columns so the new floor steel can be designed and fabricated.
Below is a plan view of them. What is the best method to use? I’ve shot steels using reflectorless in the past and had mixed results. I recently bought some Reflexite tape and was thinking of using it for this project. I work on my own with a robotic total station so shooting horizontal angle offsets for corners would be very time consuming.
Should I get reliable results if I stick targets on the steels? How far off 90 degree can you shoot the targets? Two sides of the steel are difficult to shoot as there is only 3/8″ to aim at – what do I do there?
The building is about 30m x 30m or 90 foot x 90 foot.
Any advice warmly received.
Cheers, Andrew
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