Presentation by Mike Harrison of Allan Joyce Architects at the 2017 SPRA Conference at Eastwood Hall, Nottingham on 21st June 2017. More Information: http://www.spra.co.uk/event-news/906-spra-conference-2017-live-blog-actions-speak-louder-than-words-spraconference2017

1. Standard:
AJAAllan Joyce Architects
Architects, Landscape & Interior Designers
‘Design’

2. Standard:
AJAAllan Joyce Architects
Architects, Landscape & Interior Designers
Hello

3. Standard:
AJAAllan Joyce Architects
Architects, Landscape & Interior Designers
Why am I here?

17. Standard:
AJAAllan Joyce Architects
Architects, Landscape & Interior Designers
‘Design’

18. Design?

19. Design?

20. Design?

21. Design?

22. Standard:
AJAAllan Joyce Architects
Architects, Landscape & Interior Designers
‘Design’

23. Standard:
AJAAllan Joyce Architects
Architects, Landscape & Interior Designers
What do we want?

24. Standard:
AJAAllan Joyce Architects
Architects, Landscape & Interior Designers
What does an Architect want
from a roofing design?
- Will it keep water out?
- Can we get a warranty so we don’t get sued?
- Is it available in grey?
- Can we do it completely flat / curved / full of holes?
- How standard are the details?

25. Standard:
AJAAllan Joyce Architects
Architects, Landscape & Interior Designers
What does a Main Contractor
want from a roofing design?
- Can they get a warranty so they don’t get sued?
- Is there a cheaper option? If there is why aren’t we using it?
- How quickly can it be installed?
- Will it work with this complicated roof the Architect has
designed?

26. Standard:
AJAAllan Joyce Architects
Architects, Landscape & Interior Designers
Whose design?

27. Standard:
AJAAllan Joyce Architects
Architects, Landscape & Interior Designers
Whose design?
- Traditional Contract
- Architect / Named Supplier - Fully designed and detailed
- Performance / generic / or similar approved specification
- Design & Build Contract
- Employers Requirements - Performance / generic specification
- No design at all

28. Standard:
AJAAllan Joyce Architects
Architects, Landscape & Interior Designers
Whose design?
- CDM 2015
- Are you sure you’re not a ‘designer’
- Design PI
- Who is taking responsibility for the ‘non-standard’ details

29. Standard:
AJAAllan Joyce Architects
Architects, Landscape & Interior Designers
Whose design?

30. Whose design?
- Church of the Good Shepherd
- Grade II* Listed building (built in
1964)
- Mostly constructed of concrete
- Complicated plan and roof form

31. Whose design?
- History of roofing failures
(previously re-roofed at least
twice)
- Unknown substrate
- Can’t change the details or
appearance of the roof
- No money

32. Whose design?
- Gedling Country Park Visitors
Centre
- Design & Build
- Complicated shape
- BIM
- Photovoltaics

33. Whose design?
- Contractor chose membrane
- Numerous redesigns
- Roof access
- PV Panels

34. Standard:
AJAAllan Joyce Architects
Architects, Landscape & Interior Designers
Is there a better way?

35. Standard details
- Why reinvent the wheel?
- Consistency for designers and
installers
- Repeatable performance
- One size fits most

36. Approved accessories
- Encourage manufacturer’s to
approve ‘standard’ accessory
detail
- Certainty for designers
- Flexibility for contractors
- Opportunities for accessory
manufacturers

37. Standard:
AJAAllan Joyce Architects
Architects, Landscape & Interior Designers
Thank you