General

Question 1

When stepping a floor slab, what should influence the height when using masonry construction?

Answer 1

The standard heights for brick and blockwork

Question 2

Name 4 reasons why we use subsoil drains

Answer 2

1. To improve the stability of the ground
2. To avoid surface flooding
3. To alleviate or avoid dampness in basements
4. To reduce humidity in the immediate vicinity of buildings

Question 3

Name 4 systems used for subsoil drains

Answer 3

1. Herringbone
2. Natural
3. Fan
4. Grid