BS 5975 2019 Extract - Flipbook - Page 48
BS 5975:2019
BRITISH STANDARD
9.3.3.2
The TWC should be competent and have both relevant up-to-date training and the necessary skills,
knowledge and experience appropriate to the complexity of the project and anticipated temporary
works. As the TWC is taking on management roles similar to those of the PC9s TWC, the training and
experience should be appropriate.
9.3.3.3
The appointment of the TWC should be confirmed in writing and the post formally accepted. The
confirmation should include the name of the PC9s TWC. Copies of the appointment confirmation
document should be provided to the PC9s DI, the PC9s TWC and the principal designer as a minimum.
9.3.3.4
Figure 3 in 5.1 shows the various lines of responsibilities that can occur when PCs appoint
sub-contractors to manage and/or design and where client-appointed contractors manage
temporary works.
9.3.3.5
It is important that where the appointment gives the TWC the authority to carry out management
tasks, that authority should be included to allow the TWC to stop the work if it is not being carried out
satisfactorily.
9.3.4
Appointment of the TWS
9.3.4.1
On larger sites or where the site manager or project manager considers it necessary, or where the
PC9s TWC or TWC requests assistance, one or more TWS9s may be appointed. The TWS may also be
appointed by a contractor or sub-contractor, provided the PC's DI has approved their procedure.
9.3.4.2
The TWS should be appointed by the organization for whose work the TWS is responsible (see Figure 2
and Figure 3 in 5.1 for lines of responsibility). The TWS should be an employee of the organization.
Copies of the appointment confirmation document should be provided to the PC9s TWC with any limits
of authority noted.
9.3.4.3
The TWS should have relevant up-to-date training and the necessary skills, knowledge and the
experience appropriate to the complexity of the project. The person appointed should be aware of the
limitations of their knowledge and have the language and literacy level to raise any query with more
knowledgeable persons.
9.3.4.4
The TWS can be proposed by a contracts director/manager, PC9s 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 outlined in 9.3.4.3 before approving the appointment.
9.4
Principal contractor
9.4.1
The PC has ultimate responsibility for all work on site, irrespective of how the work is
procured/managed commercially. The PC's recommended lines of responsibilities are shown in
Figure 2 and Figure 3 in 5.1.
9.4.2
The PC9s procedures or others approved by the PC's DI should take precedence during the
construction phase.
9.4.3
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.
40#© THE BRITISH STANDARDS INSTITUTION 2019 3 ALL RIGHTS RESERVED
