Describe the meaning of a datum point?

Why is a datum point important on a construction site?

Where would you find a datum peg?

Identify the 3 methods of transferring a datum line, include the tools and equipment that could be used?

Watch the YouTube clip on slide 11 on Teams. Make notes and then describe a step-by-step process of using a spirit level to transfer a datum line around a wall.

Research optical levels and laser levels and identify advantages and disadvantages of each of them