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RE: Transferring Control up an Existing 21 story building

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(@bc-surveyor)
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https://geo-laser.de/product/plumb-laser-plummet-ll-91l/

?ÿ

I'll be using the plumb down version for a shaft survey next week. The cheaper version is +/- 5mm/100m and they more expensive version is half that. They self level.

 
Posted : February 4, 2023 4:29 pm