Feedback and Development of the SER Scheme for Jersey Ian Paterson

Feedback and Feedback and Development of the Development of the

SER Scheme for SER Scheme for JerseyJersey

Ian PatersonIan Paterson

ContentContent

Background on scheme Background on scheme statisticsstatistics

Highlight some common trends Highlight some common trends from auditing processfrom auditing process

Introduce new / revised documentsIntroduce new / revised documents

Some mirroring Scotland but also Some mirroring Scotland but also some Jersey specific modificationssome Jersey specific modifications

Scheme StatisticsScheme Statistics On IslandOn Island Off Off

IslandIslandNo of BodiesNo of Bodies 77 77No of CertifiersNo of Certifiers 1616 99Bodies ResignedBodies Resigned 00 11Certifiers ResignedCertifiers Resigned 11 33Bodies suspendedBodies suspended 00 22Certifiers suspendedCertifiers suspended 00 11Bodies auditedBodies audited 77 55Certifiers auditedCertifiers audited 1414 66Average Audit Score (cert)Average Audit Score (cert) 14.414.4 12.4 12.4Certificates IssuedCertificates Issued 2417 (to 24/5)2417 (to 24/5)

Common Trends from Common Trends from AuditsAudits Lack of Clarity /misunderstanding of Lack of Clarity /misunderstanding of

certification content.certification content. Inadequate scoping and planning.Inadequate scoping and planning. Misuse of Options for certificationMisuse of Options for certification Lack of Project RecordsLack of Project Records Inadequate recording of checking / reviewsInadequate recording of checking / reviews Acceptance of suppliers submissions Acceptance of suppliers submissions

without understanding/enquirywithout understanding/enquiry Lack of understanding of timber frame Lack of understanding of timber frame

issuesissues Inappropriate wind loading for claddingInappropriate wind loading for cladding Use of Ka for propped retaining walls Use of Ka for propped retaining walls

New / revised DocumentsNew / revised Documents

New guidance:New guidance: TB4 ConservatoriesTB4 Conservatories TB5 BarriersTB5 Barriers TB6 GlazingTB6 Glazing

Updated guidance:Updated guidance: – more explicit – more explicit GN2 Options for CertificationGN2 Options for Certification Audit Rules and Procedures Audit Rules and Procedures

GN2 Options for GN2 Options for CertificationCertification

Already gone over the use of the Already gone over the use of the various options as part of the Timber various options as part of the Timber Frame seminar.Frame seminar.

Other purpose of this document is to Other purpose of this document is to highlight that the list of items in highlight that the list of items in schedule 3 is not intended as (or schedule 3 is not intended as (or sufficient for) a scoping exercise.sufficient for) a scoping exercise.

Which leads on to the biggest single issue Which leads on to the biggest single issue with the operation of the scheme:with the operation of the scheme:

What are you certifying ?What are you certifying ?It is important that we It is important that we ALLALL understand this: understand this:

a)a) When signing / receiving certificatesWhen signing / receiving certificatesb)b) At the end of the projectAt the end of the projectc)c) Part way through a project when Part way through a project when

multiple certificates are being issuedmultiple certificates are being issuedd)d) When auditingWhen auditing

We We ALLALL need to be clear on this, and have need to be clear on this, and have the same understanding of the situation, at the same understanding of the situation, at any point in time.any point in time.

We can only achieve that through scoping, We can only achieve that through scoping, planning, care and clarity in wording on planning, care and clarity in wording on certificates.certificates.

Changes to certificatesChanges to certificates

Tweaks to wording on certificateTweaks to wording on certificate

Box to identify:Box to identify: Initial, or interim certificateInitial, or interim certificate Final CertificateFinal Certificate Amendment to certificateAmendment to certificate

All certificates on a projects should be All certificates on a projects should be produced by the one certifier – if that is not produced by the one certifier – if that is not the case the “new” certifier has to review, the case the “new” certifier has to review, and take responsibility for, the design of the and take responsibility for, the design of the entire project.entire project.

What are you certifyingWhat are you certifying ? ?The design of:The design of:

a)a) The elements listed in schedule 3 ?The elements listed in schedule 3 ?

b)b) The elements shown on your own drawings ?The elements shown on your own drawings ?

c)c) The building structure ?The building structure ?

d)d) The design of the elements in the drawings The design of the elements in the drawings listed in schedule 1 ?listed in schedule 1 ?

e)e) The design of all elements, except those listed The design of all elements, except those listed in schedule 2 ? in schedule 2 ?

f)f) The design of the building ?The design of the building ?

Certification Plans - Certification Plans - ScopingScoping

To ensure you have identified and dealt with all of To ensure you have identified and dealt with all of the relevant building elements you need to set about the relevant building elements you need to set about the task in a methodical and thorough manner.the task in a methodical and thorough manner.

All the relevant items should be identified prior to the All the relevant items should be identified prior to the first certificate and a plan to obtain the necessary first certificate and a plan to obtain the necessary information put in place. information put in place.

The list of items in schedule 2 should then decrease The list of items in schedule 2 should then decrease as further certificates are issued.as further certificates are issued.

Yes client changes may lead to other elements being Yes client changes may lead to other elements being generated but CP should be a live and developing generated but CP should be a live and developing document.document.

Scoping Check ListScoping Check ListWe don’t want to issue scoping check lists as:We don’t want to issue scoping check lists as:

Each project is different.Each project is different. Check lists are a useful aide memoir but Check lists are a useful aide memoir but

don’t replace scrutiny of the project.don’t replace scrutiny of the project. The certifier must assess each project, The certifier must assess each project,

determine what is relevant and plan his determine what is relevant and plan his actions, and the information flow, actions, and the information flow, accordingly.accordingly.

GN2 Appendix and Audit Guide give a useful GN2 Appendix and Audit Guide give a useful start -start -

BUT it is your own experience and judgement BUT it is your own experience and judgement which is the best route to adequate scoping. which is the best route to adequate scoping.

So What else should the So What else should the Certification Plan Contain ?Certification Plan Contain ?

Certification plan is also a good place to record Certification plan is also a good place to record and/or prompt you to consider:and/or prompt you to consider:

a)a) Level of checking required.Level of checking required.

b)b) Information considered ( Drawings, Information considered ( Drawings, calculations, calculations, reports, specifications etc – reports, specifications etc – and who is responsible and who is responsible for supplying).for supplying).

c)c) Designer(s) and checker(s).Designer(s) and checker(s).

d)d) Design Codes.Design Codes.

e)e) SI requirements.SI requirements.

f)f) Disproportionate collapse.Disproportionate collapse.

g)g) Conversions – what considered.Conversions – what considered.

Check Lists are a good aide-memoir but must still Check Lists are a good aide-memoir but must still consider each project on its own merits.consider each project on its own merits.

TB4 Certifying Structural TB4 Certifying Structural Design of ConservatoriesDesign of Conservatories

Conservatories area problem because in England you Conservatories area problem because in England you can build a conservatory up to 35m2 without a building can build a conservatory up to 35m2 without a building warrantwarrant– – that is the biggest market for the manufacturers.that is the biggest market for the manufacturers.

Bye Laws definition of a conservatoryBye Laws definition of a conservatory Small conservatories (<20m2) at ground floor level Small conservatories (<20m2) at ground floor level

built as extensions exempt from bye law built as extensions exempt from bye law requirements.requirements.

If built at time of main house MAY still be exempt – If built at time of main house MAY still be exempt – depending on Thermal separation.depending on Thermal separation.

Superstructure may come as a complete unit Superstructure may come as a complete unit supported by UKAS (BBA) accreditation.supported by UKAS (BBA) accreditation.

More usually individual components may be More usually individual components may be certified. certified.


Where test certificates provided for component:Where test certificates provided for component:

a)a) Pay particular attention to connectionsPay particular attention to connections

b)b) Racking stabilityRacking stability

c)c) UpliftUplift

d)d) Possible need for ties to prevent eaves Possible need for ties to prevent eaves spreadingspreading

In all cases where BBA certificates used in place In all cases where BBA certificates used in place of calculations need to pay particular attention of calculations need to pay particular attention to design codes, and wind loads and snow loads to design codes, and wind loads and snow loads – are these sufficient for your project ?– are these sufficient for your project ?


Role of certifier is to confirm:Role of certifier is to confirm: That the structure has been designed to be That the structure has been designed to be

stable under appropriate loads.stable under appropriate loads. That the design of Individual members can That the design of Individual members can

be substantiated by test or calculation.be substantiated by test or calculation. That the components are being used in a That the components are being used in a

manner compatible with test certification.manner compatible with test certification. That racking loads can be transmitted to That racking loads can be transmitted to

either foundations or main building.either foundations or main building. That the design is compatible with other That the design is compatible with other

building elements.building elements. That the Permit/certificate drawings That the Permit/certificate drawings

sufficiently detailed.sufficiently detailed.

TB5 Certifying the Design TB5 Certifying the Design of Protective Barriersof Protective Barriers

Barriers are “safety critical” and can be provided by:Barriers are “safety critical” and can be provided by:

Handrails, Balustrades, Glazed screens, Partitions.Handrails, Balustrades, Glazed screens, Partitions.

Relevant Design Guidance:Relevant Design Guidance:

BS6399 Part 1BS6399 Part 1

BS6180:2011 “Barriers in and about Buildings BS6180:2011 “Barriers in and about Buildings – Code of Practice” – serviceability – Code of Practice” – serviceability requirements.requirements.

Technical Guidance Document 7 published in Technical Guidance Document 7 published in support of the Building bye-laws support of the Building bye-laws

UK GuideUK Guide to Safety at Sports Grounds [fifth edition to Safety at Sports Grounds [fifth edition 2008] 2008]


Risk Based approach to certification:Risk Based approach to certification: Traditional domestic with no long Traditional domestic with no long

balconies and limited risk to occupants – balconies and limited risk to occupants – specification to BS585 may be sufficient.specification to BS585 may be sufficient.

On larger projects – mezzanine floors, On larger projects – mezzanine floors, longer spanning stairs, balconies etc longer spanning stairs, balconies etc adequacy must be assured by calculation adequacy must be assured by calculation or test.or test.

Freestanding Glass Barriers BS6180 – Freestanding Glass Barriers BS6180 – quite stringent requirements.quite stringent requirements.

In all cases remember design of barriers In all cases remember design of barriers includes fixings, and possibly rigidity of includes fixings, and possibly rigidity of members to which barrier is being fixed.members to which barrier is being fixed.


Role of certifier is to ensure:Role of certifier is to ensure: Appropriate loads used in design/testing.Appropriate loads used in design/testing. Use of components compatible with testing.Use of components compatible with testing. Design compatible with other elements.Design compatible with other elements. The barrier has sufficient stiffness and its The barrier has sufficient stiffness and its

performance will not be impaired by deflections / performance will not be impaired by deflections / distortions of the supporting structure.distortions of the supporting structure.

The connections to the supporting structure have The connections to the supporting structure have been designed for the correct loadings.been designed for the correct loadings.

Permit drawings are sufficiently detailed to show Permit drawings are sufficiently detailed to show that the barrier will be constructed in accordance that the barrier will be constructed in accordance with the appropriate regulations and standards.with the appropriate regulations and standards.

TB6 Certification of Glazing TB6 Certification of Glazing SystemsSystems

Even relatively small domestic projects Even relatively small domestic projects can have significant issues with can have significant issues with glazing.glazing.

TB6 Certification of Glazing TB6 Certification of Glazing SystemsSystems

TB6 gives a definition of various types of TB6 gives a definition of various types of glazing.glazing.

Explains how these are dealt with in Explains how these are dealt with in Standards and Codes.Standards and Codes.

Confirms the role of the certifier.Confirms the role of the certifier.

Sets out a methodology for assessing the Sets out a methodology for assessing the risk and categorising the glazing in a risk and categorising the glazing in a project.project.

Sets out recommended actions for each of Sets out recommended actions for each of the risk categories.the risk categories.

Issues determining Level of Issues determining Level of RiskRisk

1.1. The inclination of the element The inclination of the element (vertical/horizontal/inclined).(vertical/horizontal/inclined).

2.2. Size of the glazing element (frame).Size of the glazing element (frame).

3.3. Size of a single pane.Size of a single pane.

4.4. Height of glazing above ground level.Height of glazing above ground level.

5.5. Does the glazing form a barrier ?.Does the glazing form a barrier ?.

6.6. Ownership/public access to land Ownership/public access to land immediately outside building. immediately outside building.

Low RiskLow Risk Glazing Panels are VerticalGlazing Panels are Vertical ANDAND Building Falls into RC1 (TB2)Building Falls into RC1 (TB2) ANDAND Top of highest window < 6m AGLTop of highest window < 6m AGL ANDAND Individual glazing panels < 8m2Individual glazing panels < 8m2 ANDAND Individual panes of glass < 4m2Individual panes of glass < 4m2 ANDAND Land for 0.5x building height not accessible Land for 0.5x building height not accessible

to publicto public ANDAND Window is not a barrierWindow is not a barrier ANDAND Mullions not required to sustain vertical Mullions not required to sustain vertical

loadsloads

Medium RiskMedium Risk All inclined or horizontal panels All inclined or horizontal panels oror All glazing which constitutes a barrier All glazing which constitutes a barrier oror All glazing > 6m AGLAll glazing > 6m AGL oror All glazing panels > 8m2All glazing panels > 8m2 oror Land for 0.5 building height accessibleLand for 0.5 building height accessible

to public to public oror Mullions required to transmit vertical loadMullions required to transmit vertical load

ANDANDGlazing and building falls within range of Glazing and building falls within range of

BS6262 and/or BS5516BS6262 and/or BS5516

High RiskHigh Risk

Building / glazing which falls outwith Building / glazing which falls outwith the range of BS6262 or BS 5516the range of BS6262 or BS 5516

OROR

Any point fixed glazing systemsAny point fixed glazing systems

OROR

Any innovative glazing systems or Any innovative glazing systems or design approaches design approaches

Certification of Low Risk Certification of Low Risk GlazingGlazing

The certifier must ensure that the glazing The certifier must ensure that the glazing elements, (panes, frames and fixings) are elements, (panes, frames and fixings) are specified to comply with BS6262:2005 specified to comply with BS6262:2005 and/or BS5616:2004 in the drawings and/or BS5616:2004 in the drawings submitted with the design certificate. submitted with the design certificate.

No further design substantiation will No further design substantiation will normally be required and certificates can normally be required and certificates can be signed off on the basis of relevant be signed off on the basis of relevant standards having been specified on the standards having been specified on the plans specification listed on the design plans specification listed on the design certificate. certificate.

Certification of Medium Risk Certification of Medium Risk GlazingGlazing

Specify site specific loading conditions.Specify site specific loading conditions. Obtain copies of the supplier’s/manufacturer’s design Obtain copies of the supplier’s/manufacturer’s design

calculations and details (including fixings back to the primary calculations and details (including fixings back to the primary structure).structure).

Satisfy himself that these have been carried out by a suitably Satisfy himself that these have been carried out by a suitably competent person.competent person.

Ensure that the design has been carried out to the relevant Ensure that the design has been carried out to the relevant standards and loadings (dead, wind, imposed, maintenance, standards and loadings (dead, wind, imposed, maintenance, impact etc).impact etc).

Confirm that the calculations have been checked (or carry out Confirm that the calculations have been checked (or carry out checks as required).checks as required).

Satisfy themselves that the design and details are compatible Satisfy themselves that the design and details are compatible with that of the supporting elements of the building (including with that of the supporting elements of the building (including appropriate deflections, tolerances and provision for differential appropriate deflections, tolerances and provision for differential movement).movement).

Record that these options have been certified using options 2 or Record that these options have been certified using options 2 or 3 (SER Jersey Guidance Note 2) in Schedule 3 of the3 (SER Jersey Guidance Note 2) in Schedule 3 of the Design Certificate.Design Certificate.

Certification of High Risk Certification of High Risk GlazingGlazing

Most certifiers will have insufficient experience to be able to Most certifiers will have insufficient experience to be able to design these elements an in such circumstances the advice of design these elements an in such circumstances the advice of an acknowledged expert should be sought, either to carry out, an acknowledged expert should be sought, either to carry out, or confirm, the design. or confirm, the design. In these circumstances the certifier should:In these circumstances the certifier should:

satisfy himself of the relevant expertise of the “expert”.satisfy himself of the relevant expertise of the “expert”. satisfy himself that the design has been checked by a satisfy himself that the design has been checked by a

suitably experienced individual.suitably experienced individual. obtain copies of the supplier’s/manufacturer’s design obtain copies of the supplier’s/manufacturer’s design

calculations.calculations. ensure that the design has been carried out to the ensure that the design has been carried out to the

relevant standards and loadings.relevant standards and loadings. satisfy himself that the design is compatible with that of satisfy himself that the design is compatible with that of

the supporting elements of the building.the supporting elements of the building. record that these elements have been certified using record that these elements have been certified using

Option 4 (SER GN2) in Schedule 3 of the certificate.Option 4 (SER GN2) in Schedule 3 of the certificate.

Acceptance of Test Acceptance of Test ResultsResults

Alternatively suitable accredited test Alternatively suitable accredited test results, which are appropriate to the results, which are appropriate to the panel size, aspect ratio and loading of panel size, aspect ratio and loading of the elements under consideration, may the elements under consideration, may be accepted in the place of design be accepted in the place of design calculations.calculations.

- - but don’t forget glazing comprises but don’t forget glazing comprises glass, frame and the fixings back to glass, frame and the fixings back to

the main cladding/structure.the main cladding/structure.

Changes to Audit Changes to Audit Procedures GuideProcedures Guide

Some minor procedural tweaks to the Some minor procedural tweaks to the audit process – principally involving audit process – principally involving timescales.timescales.

Some clarification of requirements – Some clarification of requirements – not changes just more explicitly not changes just more explicitly statedstated

Some changes common to both Some changes common to both Jersey and ScotlandJersey and Scotland

Some changes specific to JerseySome changes specific to Jersey

Changes for BodiesChanges for Bodies

Bodies will be penalised for poor / Bodies will be penalised for poor / inconsistent performance of certifiers.inconsistent performance of certifiers.

Access to information – if hard copy Access to information – if hard copy regular currency checks.regular currency checks.

Training – mark down for CPD failures.Training – mark down for CPD failures.

Timescales for audits – and Timescales for audits – and responses.responses.

Protection of certifiers from loss.Protection of certifiers from loss.

Changes for Changes for Certifiers/ProjectsCertifiers/Projects

More explicit in requirements and More explicit in requirements and major/minor non conformances major/minor non conformances (rarely adds to intent).(rarely adds to intent).

Absence of checking = absence of Absence of checking = absence of calculations.calculations.

Design imposed loads to be Design imposed loads to be identified on drawings.identified on drawings.

Stability frames/racking Stability frames/racking panels/elements to be identified on panels/elements to be identified on drawings.drawings.

Changes for Changes for certifiers/projectscertifiers/projects

Timber frame requirements more explicit Timber frame requirements more explicit – reflecting issues discussed today.– reflecting issues discussed today.

Further guidance on requirements for Further guidance on requirements for steel/concrete and masonry.steel/concrete and masonry.

Reflect content of TB5 and 6.Reflect content of TB5 and 6.

More detail on requirements for cladding.More detail on requirements for cladding.

Fire protection introduced.Fire protection introduced.

Operating within competence.Operating within competence.

Relaxation on Relaxation on Requirements for Ground Requirements for Ground

InvestigationInvestigationPreconstructionPreconstruction GI not required for: GI not required for: Domestic buildings not greater than 2 Domestic buildings not greater than 2

stories (or 3 if third is room in roof) stories (or 3 if third is room in roof) with simple pads and strips.with simple pads and strips.

OROR Single storey steel framed buildings Single storey steel framed buildings

where allowable bearing capacity where allowable bearing capacity unlikely to be the determining factor in unlikely to be the determining factor in sizing foundations.sizing foundations.

Relaxation on Relaxation on Requirements for Ground Requirements for Ground

InvestigationInvestigationBUTBUT

Trial pits extending to a suitable depth below Trial pits extending to a suitable depth below the formation (to check for softer underlying the formation (to check for softer underlying strata) to be carried out, inspected and strata) to be carried out, inspected and recorded at time of foundation excavations.recorded at time of foundation excavations.

In all other cases full SI required pre certificateIn all other cases full SI required pre certificate

In all cases a note to be added to permit plans In all cases a note to be added to permit plans recoding anticipated ground conditions and recoding anticipated ground conditions and allowable bearing capacity used in foundation allowable bearing capacity used in foundation design.design.

Changes to ScoringChanges to Scoring

Most of changes just better explanation Most of changes just better explanation – not really altering intent.– not really altering intent.

However as a result of more points However as a result of more points defined probability increased scores at defined probability increased scores at audit.audit.

No intention to make audits harder so No intention to make audits harder so scoring categories have been amended scoring categories have been amended (raised) to compensate for this.(raised) to compensate for this.

Happy Happy Certifying !!!!!!!Certifying !!!!!!!

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!