BS 5975-1:2024 - Book - Page 40
BS 5975‑1:2024
8.3.4.4
BRITISH STANDARD
The TWS can be proposed by a contracts director/manager, PC’s TWC, TWC or senior manager, but
the DI of the organization for whose work the TWS is responsible should be satisfied that the
proposed TWS has the abilities recommended in 8.3.4.3 before making the appointment.
8.4 Principal contractor
COMMENTARY ON 8.4
The PC has ultimate responsibility for all work on site. The PC’s lines of responsibilities are shown in Figure 2
and Figure 3.
8.4.1
The PC’s or others’ procedures approved by the PC’s DI should take precedence during the
construction phase.
8.4.2
The PC’s TWC should decide the implementation risk classification (see Table 1). The risks and
mitigation measures should be communicated to temporary works designers and contractors
managing the execution of the works on site.
NOTE The various risks might have been identified in documents, including design output and/or RAMS which
may be used during briefings to contractors and temporary works designers.
8.4.3
The PC should verify the competence of the individual designers and design checkers or verify that
their organization’s procedure includes competence assessment of their designers and design
checkers.
8.5 Contractors other than PC
8.5.1
8.5.1.1
General
In addition to the procedural recommendations of 8.1 for all contractors, the contractor should be
aware that the PC checks the capability of any contractor to plan and implement any temporary
works which might be required under their contract.
NOTE Typical lines of responsibilities are shown in Figure 1.
8.5.1.2
The contractor should provide the PC’s DI with a copy of their temporary works procedure, and
associated evidence, to enable the PC’s DI to verify that it is in accordance with the recommendations
of this part of BS 5975.
8.5.1.3
Where the contractor is appointed to both manage and design the temporary works, in addition to
the recommendations of 8.3.1.2, the organization’s procedure should cover the management of the
temporary works design process, the appointment of competent persons to defined roles (TWD, TWC,
TWS), and how they interact with the PC’s TWC.
NOTE
8.5.1.4
Typical lines of responsibilities for subcontractors managing temporary works are shown in Figure 3a).
At the start of the project, a temporary works protocol should be established between the PC’s TWC
and the TWC, which defines the appropriate degree of control, by each party, to demonstrate the
coordination and safe execution of the temporary works on the project.
NOTE The protocol might include who is to review design briefs, permitted signatories, etc.
8.5.1.5
The protocol should include how the interfaces between the contractor’s temporary works with other
temporary works and permanent works should be managed in order that none has an adverse effect
on the other.
8.5.1.6
The contractor’s procedure should recognize that the PC has ultimate responsibility for all work on
site, irrespective of how the work is procured/managed commercially.
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