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Response to Information Request 10-6-2025 Traffic guidance scheme · OPW25/0042
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Potential Risk Initial Risk Control Measures Revised Risk Actions
Source Event Likelihood Consequence Rating Options Likelihood Consequence Rating Who What
Temporary Traffic Management Devices
40
1. Ensure they have ordered enough
If Work
1. Clearsite conditions
directions change
written on VMSand boards
this 1. Client staff to be onsite
1. Monitor work to perform
site duties
conditions
Source
with / Event
minimal becomes a concern a Site
words 2.
2 .Ensure
Contact TGS is drawn
details to the current
supplied
Road users misunderstand the Not present
Present at this
at this Specific
2. EnsureRisk Assessment
redundant shall be
/ conflicting signage 2. TMD standards
3. Report any changes to conditions
intention of traffic control devices Likely
Rare Major
Minor Extreme
Low Unlikely Major Medium 3. Ensure the site is setup as per TGS
location
location undertaken
are removedand if the situation is unable to
or covered to PC or Supervisor
and all conflicting signage is covered
causing confusion. 3. TMI 4 Report
be addressed Contact Supervisors and/or 4. Monitor any
roadchanges
users andtoreport
the Team
any
Complex traffic TMD for further actions leader
concerning findings to TMI
arrangements requiring 4. TC
unusual sign
arrangements,
detailed VMS messages
or multiple signs for 1. Ensure they have ordered enough
If Work site conditions change and this 1. Client staff to be onsite
1. Monitor work to perform
site duties
conditions
a single hazard
Source
1. Clear/directions
Event becomes
written aonconcern a Site
VMS boards 2.
2 .Ensure
Contact TGS is drawn
details to the current
supplied
Insufficient information conveyed to Not present 2. TMD standards
3. Report any changes to conditions
Present at at this
this Specific
with Riskwords
minimal Assessment shall be
road users of the complex traffic location Likely
Rare Major
Minor Extreme
Low undertaken and if the/ situation is signage
unable to Unlikely Major Medium 3. Ensure the site is setup as per TGS
to PC or Supervisor
location 2. Ensure redundant conflicting and all conflicting signage is covered
arrangements leading to confusion 3. TMI 4 Report
be addressed
are removed orContact
covered Supervisors and/or 4. Monitor any
roadchanges
users andtoreport
the Team
any
TMD for further actions leader
concerning findings to TMI
4. TC
41
1. Regular signage checks when TTM
1. Client are not onsite
If1.Work site conditions
Increase frequency change and this
of sign checks 1. Monitor work site conditions
2. Design TGS to suit environmental
Source / Event becomes
2. Add weights to TTM signs a concern a Site 2conditions
. Contact details supplied
Road features makes Reduced TTM device effectiveness Present atat
this 2. TMD 3.
it difficult for signs to creating potential confusion or
Not present this
Likely
Rare Major
Minor Extreme
Low
Specific
3. InstallRisk
signsAssessment
on permanent shall be for
posts Rare Major Low 3. Report
Setup asany
perchanges
TGS and to conditions
record
location undertaken
works moreand thanif athe situation
single shift is unable to to PC or Supervisor
periodic signage checks
be placed correctly hazardous situations and conflicts. 3. TMI 44.Report
be addressed
4. Replace ContactorSupervisors
damaged missing signsand/or Monitorany changes
signage to theany
and report Team
TMD for further actions leader
concerning findings to TMI
4. TC
42
1. Client 1. Provide detailed site description and
If Work
1. site conditions
Site review change
of potential and this
obstacles for 1. Monitor work site conditions
SOW
TTM devices dislodged Source / Event of
implementation becomes
TTM a concern a Site 2 .Ensure
2. Contactsigndetails supplied
placement is compliant
Reduced TTM device effectiveness Not present 2. TMD 3. Ensure
Reportthat
anySigns
changes to conditions
or removed due to wind, Present at at this
this Specific
2. Risk
Utilized Assessment
tolerance shall be
for signage placement 3. and Devices are
creating potential confusion or location Rare
Likely Minor
Major Low
Extreme undertaken Rare Major Low to PC orasSupervisor
passing traffic, theft, location 3. Consider and if the methods
alternate situation of
is unable to
designing installed per the TGS
hazardous situations and conflicts. be addressed Contact Supervisors and/or 3. TMI 4 Report
4. Monitor any
roadchanges
users andtoreport
the Team
any
vandalism signage placement
TMD for further actions concerning
leader findings to TMI
4. TC
43
1. Plan works in a logical sequential
Road alignment results manner
in complex If1.Work
Install repeater
site signage
conditions where
change andsight
this 1. Client 1.
2. Monitor workissite
Ensure TGS conditions
designed with
distances
Source cannot
/ Event be maintained
becomes a concern a Site 2wholistic
. Contact details for
supplied
requirements for the 2. ClearRisk
vegetation to increase sight approach the entire project
Reduced TTM device effectiveness Not presentatatthis
Present this Specific Assessment shall be 2. TMD 3.
3. Report any
Setup as perchanges
TGS andto doconditions
regular
alignment of TTM Rare
Likely Minor
Major Low
Extreme distances and if the situation is unable to Rare Major Low
creating potential confusion or location
location undertaken to PC or check
signage Supervisor
devices to ensure their 3. addressed
Ensure redundant
visibility and
hazardous situations and conflicts. be Contact/ Supervisors
conflicting signage
and/or 3. TMI 44.Report
Monitorany changes
signage to theany
and report Team
are removed or covered
TMD for further actions concerning findings to TMI
leader
comprehension by the
4. TC
intended road users
44
45
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