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@0measuring0it0right0
Look Up and Live
When you go onsite to take levels using a staff and optical instruments you need to be weary about overhead power lines. If your metallic staff makes contact with overhead power lines you can be electrocuted and die.
Some staffs have a warning sticker but not all. So part of the safety protocol it is be constantly be aware what is above you. Make sure you are safe on site all the time.
Taking levels with an optical system in the old days , you had to be organised and record everything important before you leave the sight. Optical readings have to be read accurately and double checked. If you were too far away from the staff you had to create a change point so you can be closer and take a more accurate reading.
If you had to do a few change points it was necessary to close the loop and taking the last reading on your starting point .
If the calculated error was too high you had to redo the whole surveying work so that you can have more confidence in your level work.
In a Civil engineering or building projects it is important to produce a feature survey and produce it on plan. The designer will use this plan to design appropriately the project.
In a building project, it is important to take levels of the natural surface in the site that you are constructing your building. Taking levels in a grid will enable you to create contours through interpretation between spot levels taken.
Knowing how the natural surface is shaped and slopes, it will enable you to set an appropriate floor level for your building. Also you will be able how much cut and fill will be required and what sort of drainage will be required during and after construction works.
An accurate level equipment are required and an experienced personnel that can take and reduce the levels to a particular datum required.
A survey sheet that I had created to do surveying with an optical instrument. I had to record the observations I took manually on the sheet and reduce them to levels when I got back to the office.
The way survey is being do has changed and in the 21st century, total stations laser levels and GPS instruments make it easier to take levels and measurements on site.
Surveying and site measurement is an important part of any Civil Engineering Project.