Independent technical advice
on roofing and cladding
Roberts Consulting
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PUBLICATIONS > ALLOCATION OF DESIGN TASKS

 

Party Design Task
Architect
Structural Engineer
Quantity and Cost Consultant
Decking Manufacturer
Fastener Manufacturer
Membrane Manufacturer
Insulation Manufacturer
Waterproofing Manufacturer
Main Contractor
Roofing Contractor
Mechanical & Electrical Contractor

- determines roof plan and slopes
- specifies finished appearance
- co-ordinates interface details

- determines support positions
- checks attachment strength under wind loading
- gives financial budget
- develops and tests his component
- develops and tests his component
- develops and tests his component
- calculates thermal properties, condensation risk analysis
- develops and tests his component
- develops and tests his component

- programmes work
- dictates direction of work

- co-ordinates roof assembly
- proposes method of work
- positions the holes for pipes and air extracts

Question: Who designed the roof?



© Keith Roberts, 1995

 Taken from a roofing project that went wrong and based on Figure 5 of the Paper entitled 'Working Towards Getting the Roof Right First Time', presented by Keith Roberts at the Ninth Congress of the International Waterproofing Association, held in Amsterdam in April 1995.

Return to IWA’95 Paper