BS 5975-1:2024 - Book - Page 51
BRITISH STANDARD
BS 5975‑1:2024
12.1.3
If the permanent works designer has any requirements for a particular sequence in which the works
are to be built, or for any particular feature (such as stiffness or point of support) in the temporary
works scheme, these should be clearly illustrated or communicated in the permanent works
design output.
12.1.4
If the TWC or TWD wishes to depart from these requirements, the TWC should confirm with the PWD
that the change is acceptable.
12.1.5
The designer should justify their requirements by identifying the associated risks and how they might
be mitigated.
NOTE A designer includes anyone who specifies a design, design standard or design method, alters a design, or
specifies a particular method of work or material, or arranges for or instructs someone else to do so.
12.2 Design brief
12.2.1
A design brief should be prepared to serve as the basis for subsequent decisions, design work,
calculations, drawings and design checks. All concerned with the construction should contribute
towards the preparation of the brief.
12.2.2
The brief should include all data relevant to the design of the temporary works, including residual
risks introduced by the methodology chosen by the site team or by the PWD. It should be prepared
early enough to allow sufficient time for all subsequent activities, i.e. design, design check,
procurement of equipment and construction/erection of the scheme.
12.2.3
The TWC should verify that sufficient and comprehensive information is collated before design work
can commence or a programme for the construction of the temporary works can be drawn up.
NOTE Examples of the contents of design briefs are given in Annex A. The preparation of the brief might involve
relatively little work for a smaller scheme, but for major work such as the construction of a large bridge or deep
excavation, a large amount of information might be needed.
12.2.4
The following information should be included, as appropriate, in the brief:
a)
details of the organizations involved in the design of the scheme and their respective responsibilities,
including the name and contact details of the PC’s TWC, the TWC or both as appropriate;
b)
appropriate details of the permanent works in an agreed format;
c)
appropriate clauses from the specification for the permanent works;
d)
statement of any requirement to design the temporary works in accordance with a particular
standard or guidance document;
NOTE 1 For example, in the case of falsework, whether the design method is to be in accordance with
BS 5975-1 or BS EN 12812.
e)
information on any significant residual risk associated with the design of the permanent works;
f)
programme for the construction of the permanent works, including the anticipated duration of
the temporary works;
g)
programme for the various phases of the design, design check, any external approvals,
procurement and erection of the temporary works;
h)
the timing for the removal of the temporary works in relation to the ability of the permanent
works to be self‑supporting;
i)
any requirements for access onto, under or around the permanent works or temporary works, or
provision of a working platform;
j)
requirements for access for erection, maintenance, inspection, use and dismantling of the
temporary works and for other site activities;
© THE BRITISH STANDARDS INSTITUTION 2024 – ALL RIGHTS RESERVED 43
