1. When you have described the four key methods, undertake a comparison of these in terms of: • cost • effectiveness • public perception. 2. A symmetrical, timber roof truss is to be fabricated as...

1. When you have described the four key methods, undertake a comparison of these in terms of:

• cost

• effectiveness

• public perception.

2. A symmetrical, timber roof truss is to be fabricated as shown below. All the dimensions shown relate to the centre lines of the timber members.