How to manage temporary works in construction - Book - Page 92
4.2 Designers Responsibilities
Avoiding design failure
2.5.1
BS 5975-1:2024 clause 5.1.3 provides a summary of control measures relating the design of
temporary works. These can be mitigated or controlled as follows:
Design risk
1. Principal Contractor determining specification
2. The site team completing a design brief
3. The TWC reviewing and issuing the design brief to the TWD
4. The TWD and TWC selecting an appropriate design check category referring to Table 2
5. The TWDC reviewing the TWD’s design and issuing a design check certificate
2.5.2
The following shows the relationships between the temporary works design team. This is for
illustration purposes only.
TWC
Reviews design brief and
issues to TWD, and verifies
design check is undertaken
Site team
Completes design brief and
issues to TWC for review
Liaise
PD
Verifies temporay works
design does not adversely
affect permanent works
TWD
Provides solution, confirms
design check category and
issues outputs to TWC
TWDC
Checks design and issues
design check certificate
Permanent works designer
4.2.6
BS 5975-1:2024 clause 7.3 provides a list of duties of permanent works designers. In summary,
they are responsible for identifying and making provision for temporary works in their design.
They should consult with the Principal Contractor through the Principal Designer.
Principal designer
4.2.7
BS 5975-1:2024 clause 7.5 provides a list of duties of the Principal Designer. In summary, they
should verify that permanent works designers have identified temporary works in their design
and their chosen methodology for construction is logical. They should verify the proposed
temporary works design does not affect the permanent works. They should consult with the PC’s
TWC in all matters relating to temporary works.
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