Activity – 12938 (v4) Lay paving blocks as a BCATS project

Student name:

Calculate the volume of materials required for the following project. Show your workings.

Area to be paved measures 6.200m x 3.400m

Base course laid to depth of 0.150m (bulking factor of 15%)

Bedding sand laid to depth of 0.050m (bulking factor of 5%)

Pavers measure 0.150 x 0.150 x 0.040m

Material	Amount required

Complete the order form your teacher gives you.

Calculate the volume of excavated material, plus a bulking factor of 20%, for an area measuring 6 metres x 3.5 metres with a total depth of excavation of 240mm. Show your workings.

What method is used to determine whether a sub-grade is weak?

What size particles should the base course material have if the base course layer is 90mm?

Give 3 examples of laying patterns.

What methods can be used to compact pavers once they are laid?