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Methods for setting up & using site datums?


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29 minutes ago, SteamyTea said:

AND a fixed know point as a datum.

One morning on site was completely wasted for the whole team because, back at the office, the numbers for the theodolite work didn't tally.

The motorway was heading in the wrong direction.

After gentle questioning the chain boy  ( they hold the staff) told us that he couldn't find the datum point in the bracken so had put the staff on his foot.

That was initiative unfortunately.

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48 minutes ago, SteamyTea said:

Did he get a new name after that

He was the cleverest. Their nicknames were with them already, from borstal probably.

We felt that they were taken on according to who was neediest in life. They were supposed to do all the carrying but we soon ignored that If there was to be any progress.

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1 minute ago, SteamyTea said:

Only for right angles.

Of course but there's usually a few of these on a house build. I calculated many diagonals on my build and marked an A3 drawing up with them on and laminated it ready for site use during setting out.

Edited by Canski
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8 minutes ago, Canski said:

Of course but there's usually a few of these on a house build

I wonder if a house could be designed so that every angle can be a right angle somewhere.

9 minutes ago, Canski said:

calculated many diagonals on my build and marked an A3 drawing up with them on and laminated it ready for site use during setting out.

That is a brilliant idea, did the builders use them as place mats when having luncheon.

  • Haha 1
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1 minute ago, SteamyTea said:

That is a brilliant idea, did the builders use them as place mats when having luncheon.

No I used them to check the setting out on all of the external walls. What is this luncheon thing that you refer to ? 

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