Cdm 2007 training package session 4 designers
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CDM 2007 Training Package Session 4 - Designers. Version: September 07. Who are designers? (1). A ‘designer’ has a wide definition under CDM 2007 If you design or specify building work, then you are a designer with duties under CDM

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Cdm 2007 training package session 4 designers l.jpg

CDM 2007 Training PackageSession 4 - Designers

Version: September 07


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Who are designers? (1)

  • A ‘designer’ has a wide definition under CDM 2007

  • If you design or specify building work, then you are a designer with duties under CDM

  • Duties apply to all projects, including non-notifiable and domestic

  • It includes people who prepare

    • Drawings

    • Design details, analysis and calculations

    • Specification and Bills of Quantities

  • The design could be on paper, computer or verbal

CDM 2007 Designers – Slide 2


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Who are designers? (2)

  • Designers include

    • Civil and structural engineers

    • Building services engineers

    • Those specifying or purchasing materials

    • Temporary works designers

    • Interior fit out designers

    • Clients who specify

    • Design and construction contractors

    • Statutory bodies that require features that are not statutory requirements

  • Statutory requirements are exempted i.e. Building Regs requirements are not designs under CDM 2007

CDM 2007 Designers – Slide 3


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Who are designers? - Overseas designers

  • Where the design work is undertaken by oversees designers, the designers duties under CDM 2007 falls on:

    • Person who commissions it if in GB or

    • The client for the work

CDM 2007 Designers – Slide 4


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Duties on designers (1)

  • Designers have to:

    • Ensure clients are aware of their duties

    • Make sure they (the designer) are competent for the work they do

    • Co-ordinate their work with others as necessary to manage risk

    • Co-operate with CDM co-ordinator and others

    • Provide information for the health and safety file

CDM 2007 Designers – Slide 5


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Duties on designers (2)

  • Designers have to avoid foreseeable risks SFAIRP by:

    • Eliminating hazards from the construction, cleaning, maintenance, and proposed use (workplace only) & demolition of a structure

    • Reduce risks from any remaining hazard

    • Give collective risk reduction measures priority over individual measures

CDM 2007 Designers – Slide 6


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Duties on designers (3)

Designers must also:

  • Take account of the Workplace (Health, Safety & Welfare) Regulations 1992 when designing a workplace structure

  • Provide information with the design to assist clients, other designers, & contractors

  • In particular – inform others of significant or unusual/ “not obvious” residual risks

CDM 2007 Designers – Slide 7


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Duties on designers (4)

  • Designers have to be given relevant information by the CDM co-ordinator

  • Risks which are not foreseeable do not need to be considered

  • CDM 2007 does not require “zero risk” designs

  • Amount of effort made to eliminate hazards should be proportionate to the risk

CDM 2007 Designers – Slide 8


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HSE’s expectation of Designers - apply the ERI(C) principles (1)

Eliminate hazards

  • By experience

  • By red amber green lists (optional)

  • By challenging existing practice

  • By considering implications of their actions

  • By talking/listening to contractors

  • By complying with Workplace (Health, Safety and Welfare) Regulations 1992

    Reduce remaining risks

  • Collective measures

  • Individual measures

CDM 2007 Designers – Slide 9


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HSE’s expectations of designers – apply the ERI(C) principles(2)

Inform others

  • Provide relevant information to project team: other designers, CDM co-ordinator, contractors

  • In particular: highlight significant, “not obvious” risks, & those that are difficult to manage

CDM 2007 Designers – Slide 10


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Designing out risk – example of what can be done principles

Simple design

measure to reduce risk

CDM 2007 Designers – Slide 11


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Designing out risk – example of what not to do principles

Inherent risks for future

maintenance of flue pipe

CDM 2007 Designers – Slide 12


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Designers - Information principles

  • Provide the right information to the right people at the right time

  • How to inform

    • Method of informing is optional

    • Notes on drawings

    • Written information with the design

    • Suggested sequence of construction (only if not obvious)

  • If in doubt – discuss it

CDM 2007 Designers – Slide 13


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Designers – co-operation principles

  • A more managed approach will be necessary for larger projects:

    • integrated team involving designers, principal contractor and other relevant contractors

    • the appointment of a lead designer, where many designers are involved

    • agreeing a common approach to risk reduction during design

    • meetings of the design team (including the CDM co-ordinator) with contractors, and others

    • regular reviews of developing designs

    • encourage site visits, so designers can see how risks are managed on site and vice versa

CDM 2007 Designers – Slide 14


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Designers - Paperwork principles

  • Competent designers eliminate hazards and reduce risks – manage the risk, not paperwork.

  • Design risk assessments (DRAs) are seen by many as unhelpful and should be discouraged

    • Just say no to thoughtless DRA but yes to eliminating hazards

  • CDM 2007 does not require designers to produce copious amounts of paperwork detailing generic hazards and risks

CDM 2007 Designers – Slide 15


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Designers - Records principles

  • Designers under CDM 2007 are not legally required to keep records of the design process

  • But

    • Brief records why key decisions were made will be helpful when designs are passed to another, to prevent decisions being reversed for the wrong reasons

CDM 2007 Designers – Slide 16


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Designers – design review principles

  • A process of design review will help to ensure buildability, usability, & maintainability

  • Designers should involve the contractor when reviewing buildability

  • Designers should involve the client (or building operators) when reviewing usability and maintainability

  • Involve the CDM co-ordinator if project is notifiable

CDM 2007 Designers – Slide 17


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Additional duties for notifiable projects principles

  • Check that the client has appointed a CDM co-ordinator

  • Only ‘initial’ design work is permitted until a CDM co-ordinator has been appointed

  • Co-operate with the CDM co-ordinator, principal contractors and with other designers or contractors so all can confirm with their CDM duties

  • Provide relevant information for the health and safety file

CDM 2007 Designers – Slide 18


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Designers - “Do not……” principles

  • And never have been asked to control risk on site - they can only influence what is within their control

  • Take into account unforeseeable hazards and risks

  • Design for possible future uses of structures that cannot reasonably be anticipated from their design brief

  • Specify construction methods, except where the design requires a particular construction sequence

  • Exercise a health and safety management function over contractors or others

  • Have to consider trivial risks

CDM 2007 Designers – Slide 19


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Designers – Key messages principles

  • If you design or specify building work, then you are a designer with new duties under CDM

  • Competent designers eliminate hazards and reduce risks – manage the risk, not the paperwork

  • Design for safety and health for those that build, use, maintain and demolish – it’s safer by design

  • Tell others about significant risks which remain – give the right information to the right people at the right time

CDM 2007 Designers – Slide 20


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