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How Height of Collimation Works

  Рет қаралды 20,747

Buildsum

Buildsum

4 жыл бұрын

In this video, I have a look at how Height of Collimation works and how you can use it to get the Reduced Levels on your site.

Пікірлер: 24
@Stevej2013
@Stevej2013 4 жыл бұрын
Thanks for that. I am just starting out household DIY and using laser levels. It was like Chinese to me however I shall watch it a few times to grasp it.
@Buildsum
@Buildsum 4 жыл бұрын
Hi Steve, thanks for your comment. While Height of collimation is related to the use of a Laser level it is not generally used in this way. While Laser Levels are great for transferring given heights around the site they are not good to working out RLs.
@Stevej2013
@Stevej2013 4 жыл бұрын
@@Buildsum Thanks. Noted.
@perrieiles493
@perrieiles493 3 жыл бұрын
thank you, doing surveying at uni' - this helped a LOT - clear, to the point - paperwork i get is vague - this is excellent.
@Buildsum
@Buildsum 3 жыл бұрын
Thanks Perrie, Glad it was helpful!
@unmeshdhara8601
@unmeshdhara8601 3 жыл бұрын
Thanks for this video, it helps a lot, from INDIA..
@Buildsum
@Buildsum 3 жыл бұрын
Thanks Mate, Glad it helped.
@zenzelom
@zenzelom 4 жыл бұрын
very well explained with easy to follow graphics
@Buildsum
@Buildsum 4 жыл бұрын
Hi Zen, thanks for your comment.
@amigoturbo2603
@amigoturbo2603 Жыл бұрын
thanks for the video sir, very well explained
@Buildsum
@Buildsum Жыл бұрын
Thanks Mate, I'm glad you like it.
@mufeesahamed9558
@mufeesahamed9558 3 жыл бұрын
Wonderful explanation.. Thank you very much sir ❤
@Buildsum
@Buildsum 3 жыл бұрын
Thanks Mate, I'm glad you like it.
@phyllischeer4604
@phyllischeer4604 3 жыл бұрын
Thanks, very much ur video has really helped me
@Buildsum
@Buildsum 3 жыл бұрын
Thanks Phyllis, I'm glad it helped.
@henryfletch3860
@henryfletch3860 Жыл бұрын
I have some stupid questions. if I was asked to set the receiver height for the laser for the ffl slab height would I just minus my RL of 11.300 to the slab RL and would that be my receiver height? do you always need a datum point to start off to find the receiver staff height, for instance you want to work on the retaining wall and want the receiver height but have set the laser up in the backyard and cant get a height form the datum point at the front?
@Buildsum
@Buildsum Жыл бұрын
Hi Henry, the height of the receiver only relates to the height you set the laser up at. You need to have a reference point to set the receiver up to. If you cant get back to the jobsite datum you may have to us another surface with a known height or put in a tempoary peg to get your heights from.
@mhlangamlungisi5108
@mhlangamlungisi5108 3 жыл бұрын
how do you book that inverted reading. Do you book it as a rise or a fall if you were using the rise and fall method.
@Buildsum
@Buildsum 3 жыл бұрын
Hi Mate, inverted levels are recorded as a negitive figure and them calculated as normal in the rise and fall sheet. Hope this helps
@kylehartley9137
@kylehartley9137 4 жыл бұрын
what does RL stand for?
@Buildsum
@Buildsum 4 жыл бұрын
RL stands for Reduced Level. It is a height above or below the given Datum or Benchmark.
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