6. Guidance on Use
To ensure safe use of temporary and demountable flood protection systems, the effective
management of the three main potential modes of failure (overtopping, structural and
operational) is required. These modes of failure have been discussed in Section 3. This
section concentrates on the organisational and operational aspects, as these are the ones that
require continuous management once the system is purchased and any permanent parts
installed. The information provided in this section aims to provide basic guidance to
maximise reliability, however it can be extended as necessary to suit specific needs.
6.1 Organisation
Responsibility for the design, installation, operation and maintenance of the system should be
clear. The organisation or community responsible for the operation and maintenance of the
system must be able to implement adequate procedures and provide resources to ensure the
safe mobilisation and operation of the protection system. Some key parts of the organisational
requirements are outlined in the following sub-sections.
6.1.1 Availability of Appropriate Resources
The knowledge and experience of the available personnel is key to the reliability of the
protection system. The level of skill required will be dependent on the type of system and its
operational requirements. In addition to the operatives or other persons carrying out the
operational processes, appropriately skilled personnel should be available to provide adequate
supervision. Highly skilled supervisors are better able to develop safe creative solutions when
things do not happen as planned in an emergency. Someone should be available (preferably
the supervisor) who can make emergency financial decisions without having to refer to others.
The availability of the right type of equipment and material for every stage of the mobilisation
and operational phases should be ensured. The use of the wrong type of tool or equipment
should be avoided as this can lead to unsafe installations or injury to personnel.
6.1.2 Training
The appropriate levels of skill would need to be refreshed as necessary with adequate training.
Two forms of training are required:
! Training in the basic skills required for the operations
! Regular emergency exercises (drills).
These forms of training will assist in building-up the reliability of the people concerned by
increased familiarisation and verify the adequacy and condition of the flood barriers and the
emergency procedures. Emergency drills should ideally be carried out at least once a year
prior to the flood season.
6.1.3 Flood Protocol
The reliability of a flood barrier increases when the mobilisation and operational procedures
are laid down in a flood protocol. This ensures everyone is aware of what individual actions
need to be carried out, by whom and when. More importantly, it ensures that the time for the
mobilisation and closure operation activities as assessed in the design is indeed achievable.
The procedures for entire emergency processes from receiving flood warning to post-eventclean-up should be clearly outlined in the flood protocol. It should state the trigger levels or
codes, their interpretation and communication, and the actions required by all team members
during the mobilisation installation/closure, period of closed protection, demobilisation and
clean-up phases. The protocol should be reviewed regularly following significant changes to
key personnel, catchment or flood protection structure, or any operation that may affect the
emergency procedures.
For greater reliability, the protocol should have provision for back-up and trouble shooting for
all stages of the operation. Every process should also have a confirmation loop to ensure early
detection of errors or mistakes. It should be recognised that a defence is only as good as its
weakest point.
Typical elements in a flood protocol are:
! Contact list of all personnel, back-up personnel and relevant third parties
! Call out procedure
! Trigger water levels and required action
! Plant and material location (including back-ups)
! Mobilisation protocol
! Closure operation protocol
! Clean-up procedure.
The mobilisation and closure operation protocols are discussed in further detail in Sections 6.3
and 6.4.
6. Guidance on Use
To ensure safe use of temporary and demountable flood protection systems, the effective
management of the three main potential modes of failure (overtopping, structural and
operational) is required. These modes of failure have been discussed in Section 3. This
section concentrates on the organisational and operational aspects, as these are the ones that
require continuous management once the system is purchased and any permanent parts
installed. The information provided in this section aims to provide basic guidance to
maximise reliability, however it can be extended as necessary to suit specific needs.
6.1 Organisation
Responsibility for the design, installation, operation and maintenance of the system should be
clear. The organisation or community responsible for the operation and maintenance of the
system must be able to implement adequate procedures and provide resources to ensure the
safe mobilisation and operation of the protection system. Some key parts of the organisational
requirements are outlined in the following sub-sections.
6.1.1 Availability of Appropriate Resources
The knowledge and experience of the available personnel is key to the reliability of the
protection system. The level of skill required will be dependent on the type of system and its
operational requirements. In addition to the operatives or other persons carrying out the
operational processes, appropriately skilled personnel should be available to provide adequate
supervision. Highly skilled supervisors are better able to develop safe creative solutions when
things do not happen as planned in an emergency. Someone should be available (preferably
the supervisor) who can make emergency financial decisions without having to refer to others.
The availability of the right type of equipment and material for every stage of the mobilisation
and operational phases should be ensured. The use of the wrong type of tool or equipment
should be avoided as this can lead to unsafe installations or injury to personnel.
6.1.2 Training
The appropriate levels of skill would need to be refreshed as necessary with adequate training.
Two forms of training are required:
! Training in the basic skills required for the operations
! Regular emergency exercises (drills).
These forms of training will assist in building-up the reliability of the people concerned by
increased familiarisation and verify the adequacy and condition of the flood barriers and the
emergency procedures. Emergency drills should ideally be carried out at least once a year
prior to the flood season.
6.1.3 Flood Protocol
The reliability of a flood barrier increases when the mobilisation and operational procedures
are laid down in a flood protocol. This ensures everyone is aware of what individual actions
need to be carried out, by whom and when. More importantly, it ensures that the time for the
mobilisation and closure operation activities as assessed in the design is indeed achievable.
The procedures for entire emergency processes from receiving flood warning to post-eventclean-up should be clearly outlined in the flood protocol. It should state the trigger levels or
codes, their interpretation and communication, and the actions required by all team members
during the mobilisation installation/closure, period of closed protection, demobilisation and
clean-up phases. The protocol should be reviewed regularly following significant changes to
key personnel, catchment or flood protection structure, or any operation that may affect the
emergency procedures.
For greater reliability, the protocol should have provision for back-up and trouble shooting for
all stages of the operation. Every process should also have a confirmation loop to ensure early
detection of errors or mistakes. It should be recognised that a defence is only as good as its
weakest point.
Typical elements in a flood protocol are:
! Contact list of all personnel, back-up personnel and relevant third parties
! Call out procedure
! Trigger water levels and required action
! Plant and material location (including back-ups)
! Mobilisation protocol
! Closure operation protocol
! Clean-up procedure.
The mobilisation and closure operation protocols are discussed in further detail in Sections 6.3
and 6.4.
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