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www.robustdetails.com

Sean Smith

robustdetails

Part E Robust Details

Contents

Robust Details:

• A&AC Process

• New RDs

• New Candidates

• A&AC & The Code

• Ctr – taming the tiger!

• Weather check

• Conclusions

robustdetails

Part E Robust Details

The Scheme

Assessments

Plot Registration

PerformanceMonitoring

Approval?

Withdraw or Amend design

(possibly)

Publication in Handbook

N

Y

Applications for new robust details

robustdetails

Assessments

Part E Robust Details

The Scheme

STAGE A8 test sets +robustness assessment

STAGE B22* test sets +

robustness assessment

STAGE CPublication in

Handbook

*A reduced number of stage B test sets would be required for new flanking conditions to existing robust details, and might also be acceptable in the case of some new components of existing robust details

robustdetails

Part E Robust Details

New RDs

WALLS

E-WM-9 – Solid wall for raft foundations

FLOORS

E-FT-3

robustdetails

Part E Robust Details

E-WM-9

robustdetails

Part E Robust Details

E-WM-9

robustdetails

Part E Robust Details

E-WM-9

robustdetails

Part E Robust Details

It is ONLY acceptable to use blocks which appear on the current list

Masterblock Masterdenz RD

E-WM-9

robustdetails

Part E Robust Details

It is ONLY acceptable to use blocks which appear on the current list

Masterblock Masterdenz RD

E-WM-9

robustdetails

Part E Robust Details

It is ONLY acceptable to use blocks which appear on the current list

Masterblock Masterdenz RD

E-WM-9

robustdetails

Part E Robust Details

E-FT-3

robustdetails

Part E Robust Details

E-FT-3

robustdetails

Part E Robust Details

RDs & Combinations

0

5

10

15

20

25

30

35

40

45

50

2004 2005 2006 2007

RDs

W & FCombinations

robustdetails

Part E Robust Details

RDs & Combinations

0

5

10

15

20

25

30

35

40

45

50

2004 2005 2006 2007

RDs

W & FCombinations

The Future ?

The

Al Gore

Moment !

robustdetails

Part E Robust Details

RDs & Combinations

0

5

10

15

20

25

30

35

40

45

50

2004 2005 2006 2007

RDs

W & FCombinations

2008

robustdetails

Part E Robust Details

RDs & Combinations

0

5

10

15

20

25

30

35

40

45

50

2004 2005 2006 2007

RDs

W & FCombinations

2008/09

robustdetails

Part E Robust Details

New Candidate RDs

CRDs Total

WALLS 7

FLOORS 13

robustdetails

Robust Details:

Till now England and Wales

have been 2nd in the WORLD

in terms of field tested sound

Insulation performance

But there is something new on the horizon

Code for Sustainable Homes

robustdetails

Part E Robust Details

A&AC & The Code

Future Candidate RD Proposals

Considerations by proposers towards The Code:

1. What target level of points is the wall or floor aiming for ?

2. Does it compliment other Code sections ?

3. Robust system approach – multi functional – multi regulatory – multi compliant ?

4. Marketing ?

robustdetails

Part E Robust Details

Ctr – Airborne sound insulation

Taming the tiger

+3, +5, +8dB

• Ultimate airborne performance will be dictated by low frequency performance

• To achieve repeatedly +8 dB the CRD proposers and their acoustic designers will have to focus heavily on 100Hz to 160Hz frequencies

The Code

robustdetailsDnT,w+CtrChanging individual (DnT) frequency values

Hz -1 -2 -3 -4 -5 -6 -7 -8 -9 -10

100 48 47 47 46 46 45 44 44 43 42

125 48 48 47 47 47 46 46 45 45 44

160 48 48 47 47 47 47 46 46 45 45

200 48 48 48 47 47 47 47 46 46 45

250 48 48 48 48 47 47 47 47 46 46

315 48 48 48 48 48 47 47 47 47 47

400 48 48 48 48 48 48 48 47 47 47

500 48 48 48 48 48 48 48 47 47 47

630 48 48 48 48 48 48 48 47 47 47

800 48 48 48 48 48 48 47 47 47 47

1000 48 48 48 48 48 48 47 47 47 47

1250 48 48 48 48 48 48 48 48 47 47

1600 48 48 48 48 48 48 48 48 48 47

2000 48 48 48 48 48 48 48 48 48 48

2500 48 48 48 48 48 48 48 48 48 48

3150 48 48 48 48 48 48 48 48 48 48KEY              

Change in weighted value 0 dB -1 dB -2 dB -3 dB -4 dB > -5 dB

robustdetailsDnT,w+CtrChanging individual (DnT) frequency values

Different constructions with different performance (DnT,w) but with identical performance under (DnT,w+Ctr)

0

10

20

30

40

50

60

70

80

90

100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150

Frequency (Hz)

Sta

nd

ard

ise

d l

ev

el

dif

fere

nc

e (

dB

)

Dense block solid wall

Lightweight frame floor

Dense block cavity wall

robustdetailsDnT,w+CtrChanging individual (DnT) frequency values

Different constructions with different performance (DnT,w) but with identical performance under (DnT,w+Ctr)

0

10

20

30

40

50

60

70

80

90

100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150

Frequency (Hz)

Sta

nd

ard

ise

d l

ev

el

dif

fere

nc

e (

dB

)

Dense block solid wall

Lightweight frame floor

Dense block cavity wall

CONSTRUCTION DnT,w DnT,w+C DnT,w+Ctr

Dense block solid wall 52 51 48

Lightweight frame floor 59 54 48

Dense block cavity wall 57 54 48

robustdetailsDnT,w+CtrChanging individual (DnT) frequency values

Different constructions with different performance (DnT,w) but with identical performance under (DnT,w+Ctr)

0

10

20

30

40

50

60

70

80

90

100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150

Frequency (Hz)

Sta

nd

ard

ise

d l

ev

el

dif

fere

nc

e (

dB

)

Dense block solid wall

Lightweight frame floor

Dense block cavity wall

CONSTRUCTION DnT,w DnT,w+C DnT,w+Ctr

Dense block solid wall 52 51 48

Lightweight frame floor 59 54 48

Dense block cavity wall 57 54 48

177.8 dB

176.1 dB

robustdetailsrobustdetailsrobustdetails

Weather check

robustdetails

Part E Robust Details Tracking RDs

Observation

Ind

ivid

ua

l Va

lue

127113998571574329151

70

65

60

55

50

45

40

_X=54.01

UCL=63.15

LCL=44.86

1

1

1

1

1

EWT2 AIRBORNE

BPC – Napier University

robustdetails

Part E Robust Details

Part E Robust Details

Houses v Flats

BPC – Napier University

30

35

40

45

50

55

60

65

70

04/0

4/20

05

04/0

5/20

05

04/0

6/20

05

04/0

7/20

05

04/0

8/20

05

04/0

9/20

05

04/1

0/20

05

04/1

1/20

05

04/1

2/20

05

04/0

1/20

06

04/0

2/20

06

04/0

3/20

06

04/0

4/20

06

04/0

5/20

06

04/0

6/20

06

04/0

7/20

06

04/0

8/20

06

04/0

9/20

06

04/1

0/20

06

robustdetails

Part E Robust Details Tracking RDs

rainfall monthly England 2004 - 2006

40

60

80

100

120

140

160

Jul-04

Aug-0

4

Sep-0

4

Oct-

04

Nov-0

4

Dec-0

4

Jan-0

5

Feb-0

5

Mar-

05

Apr-

05

May-0

5

Jun-0

5

Jul-05

Aug-0

5

Sep-0

5

Oct-

05

Nov-0

5

Dec-0

5

Jan-0

6

Feb-0

6

Mar-

06

Apr-

06

May-0

6

Jun-0

6

Jul-06

Aug-0

6

Sep-0

6

Oct-

06

month

mm

rain

fall

EWT2 monthly average airborne

45

47

49

51

53

55

57

59

Jul-04

Aug-0

4

Sep-0

4

Oct-

04

Nov-0

4

Dec-0

4

Jan-0

5

Feb-0

5

Mar-

05

Apr-

05

May-0

5

Jun-0

5

Jul-05

Aug-0

5

Sep-0

5

Oct-

05

Nov-0

5

Dec-0

5

Jan-0

6

Feb-0

6

Mar-

06

Apr-

06

May-0

6

Jun-0

6

Jul-06

Aug-0

6

Sep-0

6

Oct-

06

month

dB

BPC – Napier University

Rainfall

Site dB Testing

robustdetails

Part E Robust Details Tracking RDs

rainfall monthly England 2004 - 2006

40

60

80

100

120

140

160

Jul-04

Aug-0

4

Sep-0

4

Oct-

04

Nov-0

4

Dec-0

4

Jan-0

5

Feb-0

5

Mar-

05

Apr-

05

May-0

5

Jun-0

5

Jul-05

Aug-0

5

Sep-0

5

Oct-

05

Nov-0

5

Dec-0

5

Jan-0

6

Feb-0

6

Mar-

06

Apr-

06

May-0

6

Jun-0

6

Jul-06

Aug-0

6

Sep-0

6

Oct-

06

month

mm

rain

fall

EWT2 monthly average airborne

45

47

49

51

53

55

57

59

Jul-04

Aug-0

4

Sep-0

4

Oct-

04

Nov-0

4

Dec-0

4

Jan-0

5

Feb-0

5

Mar-

05

Apr-

05

May-0

5

Jun-0

5

Jul-05

Aug-0

5

Sep-0

5

Oct-

05

Nov-0

5

Dec-0

5

Jan-0

6

Feb-0

6

Mar-

06

Apr-

06

May-0

6

Jun-0

6

Jul-06

Aug-0

6

Sep-0

6

Oct-

06

month

dB

BPC – Napier University

Rainfall

Site dB Testing

robustdetails

Part E Robust Details Tracking RDs

rainfall monthly England 2004 - 2006

40

60

80

100

120

140

160

Jul-04

Aug-0

4

Sep-0

4

Oct-

04

Nov-0

4

Dec-0

4

Jan-0

5

Feb-0

5

Mar-

05

Apr-

05

May-0

5

Jun-0

5

Jul-05

Aug-0

5

Sep-0

5

Oct-

05

Nov-0

5

Dec-0

5

Jan-0

6

Feb-0

6

Mar-

06

Apr-

06

May-0

6

Jun-0

6

Jul-06

Aug-0

6

Sep-0

6

Oct-

06

month

mm

rain

fall

EWT2 monthly average airborne

45

47

49

51

53

55

57

59

Jul-04

Aug-0

4

Sep-0

4

Oct-

04

Nov-0

4

Dec-0

4

Jan-0

5

Feb-0

5

Mar-

05

Apr-

05

May-0

5

Jun-0

5

Jul-05

Aug-0

5

Sep-0

5

Oct-

05

Nov-0

5

Dec-0

5

Jan-0

6

Feb-0

6

Mar-

06

Apr-

06

May-0

6

Jun-0

6

Jul-06

Aug-0

6

Sep-0

6

Oct-

06

month

dB

BPC – Napier University

Rainfall

Site dB Testing

robustdetails

Part E Robust Details Tracking RDs

rainfall monthly England 2004 - 2006

40

60

80

100

120

140

160

Jul-04

Aug-0

4

Sep-0

4

Oct-

04

Nov-0

4

Dec-0

4

Jan-0

5

Feb-0

5

Mar-

05

Apr-

05

May-0

5

Jun-0

5

Jul-05

Aug-0

5

Sep-0

5

Oct-

05

Nov-0

5

Dec-0

5

Jan-0

6

Feb-0

6

Mar-

06

Apr-

06

May-0

6

Jun-0

6

Jul-06

Aug-0

6

Sep-0

6

Oct-

06

month

mm

rain

fall

EWT2 monthly average airborne

45

47

49

51

53

55

57

59

Jul-04

Aug-0

4

Sep-0

4

Oct-

04

Nov-0

4

Dec-0

4

Jan-0

5

Feb-0

5

Mar-

05

Apr-

05

May-0

5

Jun-0

5

Jul-05

Aug-0

5

Sep-0

5

Oct-

05

Nov-0

5

Dec-0

5

Jan-0

6

Feb-0

6

Mar-

06

Apr-

06

May-0

6

Jun-0

6

Jul-06

Aug-0

6

Sep-0

6

Oct-

06

month

dB

BPC – Napier University

53 dB

Rainfall

Site dB Testing

robustdetailsrobustdetailsrobustdetails

thankyou

www.robustdetails.com

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