Explain to your client the difference between erecting a ‘Purlin’ cut roof and ‘Trussed’ roof; justify which method you would use for this project. 5). Weighting (4%)

dentify the three most commonly used foundation types utilised for low rise, masonry cavity wall construction; briefly explain the key factors that may influence their selection. Using a ruler, hand-draw these three foundation types and annotate to help you to describe their components. As a guide, each foundation drawing should fill one sheet of A4 paper, this will allow the drawings to be annotated with their components and approximate dimensions.
2). Weighting (20%)
Draw to a suitable scale, on one side of A4, a cross section through a masonry cavity wall at a window opening; also show the detail of the insulation, lintel above and the timber sill below. You may wish to test your C.A.D. skills although this is not compulsory.
3). Weighting (8%)
3a). Produced from sustainable material, identify two prefabricated types of residential wall construction. What would the advantage be of using these methods for the client?
3b).The assembly technique of one popular pre-fabrication method is derived from two systems; which do you recommend, and why?
4). Weighting (8%)
Explain to your client the difference between erecting a ‘Purlin’ cut roof and ‘Trussed’ roof; justify which method you would use for this project.
5). Weighting (4%)
Photovoltaic panels will be fitted on the roof; what is important about the orientation of the units on the site.