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Contents Robust Details: Plot Registrations Performance Monitoring
Part E Robust Details Contents Robust Details: Plot Registrations Performance Monitoring The Code Future Regulatory Change Conclusions

RDL REGISTRATIONS The Scheme Part E Robust Details

Plot Registrations RD wall registrations Part E Robust Details
(June Dec 2005)

Q: Is demand for the service changing?
Part E Robust Details Plot Registrations RD wall registrations (June Dec 2005) Q: Is demand for the service changing? +10% 2006 109,684 2005 99,664

Housebuilding Activity - England & Wales
Part E Robust Details Plot Registrations RD wall registrations (June Dec 2005) Housebuilding Activity - England & Wales

Part E Robust Details Plot Registrations RD wall registrations (June Dec 2005) Housebuilding Activity - England & Wales Attached Homes 150,788

Part E Robust Details Plot Registrations RD wall registrations (June Dec 2005) Housebuilding Activity - England & Wales

Part E Robust Details Plot Registrations RD wall registrations (June Dec 2005) Housebuilding Activity - England & Wales Attached Homes 157,945

Part E Robust Details Plot Registrations RD wall registrations (June Dec 2005) Housebuilding Activity - England & Wales Attached Homes 157,945 Attached Homes 150,788 RD Homes 69% RD Homes 65%

Part E Robust Details Plot Registrations RD wall registrations (June Dec 2005) Housebuilding Activity - England & Wales Attached Homes 2006 Attached Homes 2005 RD Houses 81% RD Homes 69% RD Flats 53% RD Homes 65% RD Houses 86% RD Flats 57%

Part E Robust Details Part E Robust Details The Scheme RDL OBLIGATIONS

Q: Have we met our obligations?
Part E Robust Details Plot Registrations RD wall registrations (June Dec 2005) Q: Have we met our obligations? Total Number of RDL Registrations between May 2004 & December 2006 268,509 units

of ALL RDL registrations
Part E Robust Details Plot Registrations RD wall registrations (June Dec 2005) Q: Have we met our obligations? 1.7% of ALL RDL registrations Total Number of Properties subject to Visual Inspection Reports: 4,514 units

Part E Robust Details Plot Registrations RD wall registrations (June Dec 2005) Q: Have we met our obligations? Completions at Dec 2006 158,825 completed RDL units

Part E Robust Details Plot Registrations RD wall registrations (June Dec 2005) Q: Have we met our obligations? 2.2% of plots completed By end of December 2006 3,553 dwellings tested

Part E Robust Details Part E Robust Details The Scheme RDL MONITORING

25% 6.4% Visual Inspections Part E Robust Details of sites visited
of plots inspected The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish

4000dwellings tested Sound Tests +7dB Part E Robust Details
better than Bldg Regs The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish 4000dwellings tested

97.5% Sound Tests +7dB 2.5% Part E Robust Details
better than Bldg Regs 97.5% Compliance 2.5% lower than Bldg Regs The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish

Part E Robust Details Part E Robust Details The Scheme RDL The Code

Health and Well Being The Code Part E Robust Details

Health and Well Being Daylighting (max 3 points)
Part E Robust Details Health and Well Being Daylighting (max 3 points) To improve the quality of life in homes through good daylighting and to reduce the need for energy to light the home Sound Insulation (max 4 points) To ensure the provision of sound insulation to reduce the likelihood of noise complaints from neighbours Private Space (max 1 point) To improve the occupiers’ quality of life by providing an outdoor space for their use, which is at least partially private Lifetime Homes (max 4 points) To encourage the construction of homes that are accessible to everybody and where the layout can easily be adapted to fit the needs of future occupants

Robust Detail - Performance by Phase
Part E Robust Details Code Points Robust Detail - Performance by Phase The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish

Part E Robust Details Code Points Robust Detail - Performance by Phase The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish Time

Part E Robust Details Code Points Robust Detail - Performance by Phase The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish dB Time

Part E Robust Details Code Points Robust Detail - Performance by Phase Mean 53 dB The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish

Part E Robust Details Code Points Robust Detail - Performance by Phase Mean 53 dB The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish F A I L Z O N E

Part E Robust Details Code Points Robust Detail - Performance by Phase Mean 53 dB 1pt +3dB 3pt +5dB 4pt +8dB The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish

Part E Robust Details Code Points Robust Detail - Performance by Phase Mean 53 dB +8dB 1pt +3dB 3pt +5dB 4pt +8dB The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish

Part E Robust Details Code Points Robust Detail - Performance by Phase Mean 53 dB +8dB 1pt +3dB 3pt +5dB 4pt +8dB The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish ?

Part E Robust Details Code Points Robust Detail - Performance by Phase c. 50% = 53dB or better The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish

Part E Robust Details Code Points Robust Detail - Performance by Phase 90% = 48dB or better The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish

Part E Robust Details Code Points Robust Detail - Performance by Phase 90% = 48dB or better 1 point The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish

74 New Homes tests - PCT and ‘normal distribution’
Part E Robust Details Code Points 74 New Homes tests - PCT and ‘normal distribution’ 90% = 48dB or better The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish

Part E Robust Details Code Points 74 New Homes tests - PCT and ‘normal distribution’ points 90% = 48dB or better The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish

Part E Robust Details Code Points 74 New Homes tests - PCT and ‘normal distribution’ 1 point …9 out of 10 times The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish

Part E Robust Details Code Points 74 New Homes tests - PCT and ‘normal distribution’ 2 points …9 out of 10 times The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish

Part E Robust Details Code Points Robust Detail - Performance by Phase 3 points The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish more test data…...

4 Code Points Robust Detail - Performance by Phase points
Part E Robust Details Code Points Robust Detail - Performance by Phase 4 points 90% = 53dB or better The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish much, much more test data…...

Part E Robust Details Masonry Walls Robust Detail - Performance by Phase The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish

Part E Robust Details Code Points Robust Detail - Performance by Phase 90% = 53dB or better 4 points The details are categorised into separating walls and separating floors as well as the form of construction. The first section being masonry separating walls. There are currently six cavity masonry separating walls, the variations relating to: type of blockwork; type of finish 100 tests results...

Part E Robust Details New Code Proposals Robust Details Limited will publish (and update) a Table of constructions that meet the Code criteria Builders using Robust Details will NOT have to conduct additional PCT to claim Code credits PCT is an alternative still available for builders who choose to follow this route to compliance (but there are no ‘rewards’ for extra testing)

Part E Robust Details Part E Robust Details The Scheme RDL Conclusions

Robust Details Robust Details so far…. ODPM Regulatory Impact Assessment: 16 November 2002 Paragraph 51: “BRE estimate that, in new dwellings, as many as 40% of new separating floors and up to 25% of new separating walls may fail to meet the current standards. The changes for new dwellings, particularly the pre-completion testing regime, are intended both to improve standards and to reduce the failure rate to below 5% over 10 years.”

Robust Details so far…. 97%+ RDL
ODPM Regulatory Impact Assessment: 16 November 2002 Paragraph 51: “BRE estimate that, in new dwellings, as many as 40% of new separating floors and up to 25% of new separating walls may fail to meet the current standards.” The changes for new dwellings, particularly the pre-completion testing regime, are intended both to improve standards and to reduce the failure rate to below 5% over 10 years.” +7dB better than Bldg Regs 97%+ Compliance RDL 2007

Robust Details so far…. RDL 97%+
ODPM Regulatory Impact Assessment: 16 November 2002 RDL 2007 Paragraph 51: “BRE estimate that, in new dwellings, as many as 40% of new separating floors and up to 25% of new separating walls may fail to meet the current standards. “The changes for new dwellings, particularly the pre-completion testing regime, are intended both to improve standards and to reduce the failure rate to below 5% over 10 years.” +7dB better than Bldg Regs 97%+ Compliance

Regulatory Change Where next? Robust Details
So what are Part E robust details, we are talking about Part E of the Building Regulations in England and Wales of course. In principle, they are a bunch of separating wall and floor designs which are effectively “over-engineered” so that there is a large safety margin to take care of any reduction between the theoretical performance and the actual performance as built performance achieved. It is this safety factor which has to be big enough to give sufficient confidence to ODPM and the industry to make sound testing unnecessary. Expand on bullets.

Regulatory Change Drivers for Change: Cyclical Review
Robust Details Regulatory Change Drivers for Change: Cyclical Review Precedent Disasters Government Policy So what are Part E robust details, we are talking about Part E of the Building Regulations in England and Wales of course. In principle, they are a bunch of separating wall and floor designs which are effectively “over-engineered” so that there is a large safety margin to take care of any reduction between the theoretical performance and the actual performance as built performance achieved. It is this safety factor which has to be big enough to give sufficient confidence to ODPM and the industry to make sound testing unnecessary. Expand on bullets.

Regulatory Change Drivers for Change: Part E Cyclical Review
Robust Details Regulatory Change Drivers for Change: Part E Cyclical Review Consultation in January 2001 Implementation in July 2004 (for PCT and RDL) So what are Part E robust details, we are talking about Part E of the Building Regulations in England and Wales of course. In principle, they are a bunch of separating wall and floor designs which are effectively “over-engineered” so that there is a large safety margin to take care of any reduction between the theoretical performance and the actual performance as built performance achieved. It is this safety factor which has to be big enough to give sufficient confidence to ODPM and the industry to make sound testing unnecessary. Expand on bullets.

Regulatory Change Drivers for Change: Part L Government Policy
Robust Details Regulatory Change Drivers for Change: Part L Government Policy Consultation in July 2004 Implementation in April 2006 So what are Part E robust details, we are talking about Part E of the Building Regulations in England and Wales of course. In principle, they are a bunch of separating wall and floor designs which are effectively “over-engineered” so that there is a large safety margin to take care of any reduction between the theoretical performance and the actual performance as built performance achieved. It is this safety factor which has to be big enough to give sufficient confidence to ODPM and the industry to make sound testing unnecessary. Expand on bullets.

Regulatory Change 19 months to develop Less industry involvement
Robust Details Regulatory Change 19 months to develop Less industry involvement Significant pressure to change So what are Part E robust details, we are talking about Part E of the Building Regulations in England and Wales of course. In principle, they are a bunch of separating wall and floor designs which are effectively “over-engineered” so that there is a large safety margin to take care of any reduction between the theoretical performance and the actual performance as built performance achieved. It is this safety factor which has to be big enough to give sufficient confidence to ODPM and the industry to make sound testing unnecessary. Expand on bullets. 3-and-a-half years to develop Close industry involvement Pressure to change less intense

Regulatory Change Performance monitoring National database
Robust Details Regulatory Change Performance monitoring National database The ‘pattern book’ approach…. So what are Part E robust details, we are talking about Part E of the Building Regulations in England and Wales of course. In principle, they are a bunch of separating wall and floor designs which are effectively “over-engineered” so that there is a large safety margin to take care of any reduction between the theoretical performance and the actual performance as built performance achieved. It is this safety factor which has to be big enough to give sufficient confidence to ODPM and the industry to make sound testing unnecessary. Expand on bullets.

The trouble is, once pattern books get onto building sites, actual
Part E Robust Details The trouble is, once pattern books get onto building sites, actual performance reduces alarmingly Not in the case of Robust Details... …RDL’s patterns are actually drawn up from field tests on real building sites

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