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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 Risk Evaluation Likelihood Consequence Rating Options Likelihood Consequence Rating Who What
Site & Enviromental Features
28
1. Work vehicles not to obstruct
1. Client signage and be aware of line of
1.Work
If Line of
sitesight to signage
conditions needs
change and tothis
be 1. Monitor work site conditions
sight to sign
Road users unable to adequately considered 2
Features at the site
Source / Event becomes a concern a Site
2. TMD 2.. Design
ContactTGS
details
withsupplied
appropriate
comprehend messages and react in Not present when designing TGSs. shall be 3. Report any changes to conditions
reduce sight distance Present atat this
this Specific Risk Assessment measures for line of sight to signs
time leading to potential injury to road Rare
Likely Minor
Catastrophic Low
Extreme 2. Repeater signs shall be utilised whereto Unlikely Catastrophic High to
or vision of TTM device
location
location undertaken and if the situation is unable
3. TMI 3. PC or Supervisor
Ensure that Signs and Devices
users and workers or damage at the sight 4 Report any as
changes
be addressed Contact Supervisors and/or are installed per thetoTGS
the Team
within
works site. distances
TMD cannot
for further be maintained
actions leader
4. TC tolerances
3. Signage tolerances may be used.
4. Monitor that line of sight to signs
is not obstructed
29 1. If Required Vegetation clearing shall be 1. Work vehicles not to obstruct
undertaken prior to the commencement of signage and be aware of line of
1. Client sight to sign
Ifworks
Work site conditions change and this 1. Monitor work site conditions
2. Distances
Source / Eventbetween
becomes signs shall be amoved
a concern Site 22.. Design
ContactTGS withsupplied
details appropriate
Vegetation obscures Road users is unaware of the Present 2. TMD
Not presentatatthis
this within Risk Assessment shall be
Specific Unlikely Catastrophic High
measures
3. Report anyforchanges
line of sight to
to conditions
positioning of signs approaching worksite and potential location Likely
Rare Catastrophic
Minor Extreme
Low tolerances where vegetation signage
location undertaken and if the situationcannot be to
is unable to PC or Supervisor
and devices queues leading to collision. 3. TMI
removed
be addressed Contact Supervisors and/or 43.Report
Ensureany
thatchanges
Signs and Devices
to the Team
3. Repeater
TMD signage
for further actionsshall be installed are installed as per the TGS within
leader
where 4. TC tolerances
vegetation cannot be removed 4 N/A
30
1. Remove any conflicting pavement
1.Existing markings or other features for
If Work sitesignage shallchange
conditions be covered during
and this 1. Client 1. Monitor work site conditions
long-term
Existing signage, works 2
Source / Event becomes a concern a Site 2. .To
Contact
ensure details
TGS is supplied
drafted showing
pavement markings and 2. Pavement
Risk markings should
shallbe
beremoved 2. TMD 3.
Compromised legibility of worksite Not present
Present atat this
this Specific Assessment thatReport any changes
the existing to conditions
speed signs are
other features conflict location Rare
Likely Minor
Major Low
Extreme for long-term works
undertaken and if the situation is unable to Unlikely Major Medium to PC orfor
covered Supervisor
duration of works
leads to driver confusion
with the proposed TTM 3. Delineations
be to provide
addressed Contact clear pathand/or
Supervisors for 3. TMI 3. Report
4 Ensure any
that existing
changessign is covered
to the Team
treatments vehicle
TMD for movements
further actions or removed
leader
4. TC 4. Monitor traffic behaviour and report
any changes if necessary
31
1. Monitor site conditions and plan
1. All works shall cease where electrical 1. Client appropriate works this may include
If Work site conditions change and this 1. Monitor work site conditions
storms begin to form if the work site is temporarily ceasing works
Works taking place Lightning risk to TC and other staff Source / Event becomes a concern a Site 2 . Contact details supplied
made safe 2. TMD 2. Ensure TGS notes covers
during seasons with causes delays to works schedule or Present
Not presentatat
this
this Specific Risk Assessment shall be 3. Report any changes to conditions
Unlikely
Rare Catastrophic
Minor High
Low 2. If Traffic Controls activities must continue Rare Catastrophic Medium adverse site conditions
increased possibility completion of works within defined location
location undertaken and if the situation is unable to to PC or Supervisor
for reasons of safety, TCs may cease using 3. TMI 3. Risk assess situations when
of electrical storms daily time restrictions be addressed Contact Supervisors and/or 4 Report any changes to the Team
the stop/slow bat instead using approved adverse site condition changes
TMD for further actions leader
hand signal only 4. TC 4. Need to prepare for adverse site
visibility conditions
32
1. Lighting Towers shall be installed 1. Monitor site conditions and plan
throughout the work area as toand
increase 1. Client appropriate works this may include
If Work site conditions change this 1. Monitor work site conditions
visibility temporarily ceasing works
Source / Event becomes a concern a Site 2 . Contact details supplied
Shadowing, fog, Reduced visibility for approaching 2. Work to be Assessment
postponed until 2. TMD 2. Ensure TGS notes covers
Not present
Present atat this
this Specific Risk shallroad
be 3. Report any changes to conditions
glare, inclement traffic - increased risk to road users Rare
Moderate Minor
Major High
Low conditions Rare Major Low adverse site conditions
location undertaken and if the situation minimum
have improved and is unable to to PC or Supervisor
weather, smoke and road workers sight distancesContact
can be Supervisors
maintained and/or 3. TMI 3. Risk assess situations when
be addressed 4 Report any changes to the Team
3. Ensure the signs retro-reflective adverse site condition changes
TMD for further actions leader
properties are effective 4. TC 4. Need to prepare for adverse site
visibility conditions
33
1. Assess ambient lighting level of work 1. Ensure adequate lighting available
1. Client 2.
area - if site
If Work required supplementary
conditions change and lighting
this to 1. Ensure
MonitorTGS notes
work site covers night
conditions
be installed works
Source / Event becomes a concern a Site 2 . Contact details supplied
2. EnsureRisk the Assessment
signs retro-reflective 2. TMD 3. Ensure night conditions PPE are
Present
Not at at
present this
this Specific shall be 3. Report any changes to conditions
Reduced legibility of worksite Moderate
Rare Major
Minor High
Low Rare Major Low suitable and sufficient power supply for
location properties
undertakenare andeffective
if the situation is unable to to PCwands
night or Supervisor
3. 3. TMI
beAll workers are
addressed wearing
Contact approvedand/or
Supervisors PPE for 4 Report
4. Need toany changes
prepare to the
for night Team
conditions,
night
TMD forconditions, including night wands
further actions leader
PPE needs to be retro-reflective and
4. TC
sufficient power supply for night wands
Night works
1. Minimal vehicles onsite to
If Work 1. Client prevent
1. Monitorvisual
workoverload
site conditions
1. Installsite conditions
signage change and
requirements this
as to convey
Source / Event becomes a concern a Site 2.
2 .Lighting
Contact towers
details are placed in
supplied
messages required to public.
Not present 2. TMD appropriate
3. Report any changesand
locations do not
to conditions
Present at at this
this Specific
2. Risk Assessment
Any Lighting Towers requiredshall be
are to be
Visual overload with retroreflective location Rare
Moderate Minor
Major Low
High undertaken and if the situation is unable to Rare Major Low create a visual
to PC or traffic hazard
Supervisor
installed as to not reflect into oncoming
devices be addressed Contact Supervisors and/or 3. TMI 3. Do regular
4 Report drive through
any changes to thetoTeam
traffic or signage
TMD for further actions ensure
leader that signage can be seen
4. TC 4. To ensure their PPE meets
approved retroreflective standards
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