Activity – 12933 (v4) Complete minor concrete works as a BCATS project

Student name:

A concrete path is required measuring 7.8m long, 0.850m wide and 0.100m thick. Hardfill to a depth of 0.075m is needed, along with pegs to support the boxing every 0.5m. Calculate the materials required and complete the following order.

Material	Amount required	Amount ordered (rounded)
Hardfill
Aggregates
Cement
Boxing (metres)
Pegs
Nails

When excavating an area for placing concrete, what are 2 things you need to allow for?

Why do you need to check the alignment of the pegs holding the formwork?

How do you compact hardfill and why?

When mixing concrete, why is it important to accurately measure the proportions of each ingredient?

Why should water be lightly sprayed over the entire area within the boxing before laying concrete?

How and why do you compact concrete?

How can you produce a non-slip surface on concrete?

Name 4 ways that concrete could be kept wet during the curing period.