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24110095-TGS 25-SA_TT-JHG-Lake Macdonald Dr_Lake Macdonald-R0
Potential Risk Initial Risk Control Measures Revised Risk Actions
Source Event Risk Evaluation Likelihood Consequence Rating Options Likelihood Consequence Rating Who What
Portable Traffic Signal Systems
T GS design to include PT SS including
T C controlling Traffic being placed in
PT T S warning signs
high risk environment If Work sitethe
conditions change and this is 1. Monitor work site conditions
Road speed over Nominate method of Control (Paired
T C positions has limited suitable Source / Event becomes a concern a Site 2Show
. Contact
PT SS details
and T Csupplied
operator positions
70km/h and with a Preference)
escape paths due to speed or volume Not Present
presentatat
this
this Specific Risk Assessment shall be 3. Report
Show any
detail changes to plan.
of contingency
AADT of over 500 Likely
Rare Catastrophic
Minor Extreme
Low Position T C in a safe location where they Unlikely Catastrophic High T MD
of traffic location
location undertaken and if the situation is unable to conditions to PC ornotes
include operational Supervisor
on T C
Vehicles have
be a clear view
addressed to approaching
Contact SupervisorsTraffic
and/or and 4position
Report any changes to the Team
T C being struck by errant vehicles
PT
T SSfor further actions
MD leader
Contingency planning for system failure
T GS design to include PT SS including
T C controlling Traffic being placed in
PT T S warning signs
high risk environment If Work site conditions change and this 1. Monitor work site conditions
Road Conditions / Nominate the method of Control (Paired is
T C positions has limited suitable Source / Event becomes a concern a Site 2Show
. Contact
PT SS details
and T Csupplied
operator positions
layout prevent safe Preferenc)
escape paths due to speed or volume Not Present
presentatat
this
this Specific Risk Assessment shall be 3. Report
Show any
detail changes to plan.
of contingency
positioning of Traffic Rare Minor Low
Extreme Position T C and
in a ifsafe T MD
of traffic location
location
Likely Catastrophic undertaken the location
situationwhere theyto
is unable Unlikely Catastrophic High conditions to PC ornotes
include operational Supervisor
on T C
Controllers have
be a clear view
addressed to approaching
Contact SupervisorsTraffic and
and/or 4position
Report any changes to the Team
T C being struck by errant vehicles
PT
T MDSSfor further actions leader
Contingency planning for system failure
T GS to show Lead T C with HHC positioned
Break down in communications with maximum
If Work siteofconditions
400m from any paired
change PT T S
and this 1. Monitor work site conditions
Length of shuttle flow HHC and PT SS Units unit as per
Source manufactures
/ Event becomes specifications
a concern a Site 2Show PT SS details
. Contact and T Csupplied
operator positions
operation exceeds Driver frustration leads to non Present
Not presentatat
this
this Likely Catastrophic Position Risk
Specific T C inAssessment
a safe location where
shall be they Show
3. detail
Report anyof contingency
changes to plan.
Rare Minor Extreme
Low Unlikely Catastrophic High T MD
400m compliance to Red Signals location
location are able to communicate
undertaken with look
and if the situation out T Cto
is unable include operational
conditions to PC ornotes on T C
Supervisor
Head on collisions positioned
be at PT
addressed SS units
Contact Supervisors and/or 4position
Report any changes to the Team
T MD for further actions leader
Possible Loss of If Work site conditions change and this 1. Monitor
Show workqualified
sufficient site conditions
operators
communication Source / Event becomes a concern a Site 2available
. Contact details
in case supplied
of failure
Uncoordinated traffic movements and Maintain reliable radio communication John Holland
between signal Present
Not presentatat
this
this Specific Risk Assessment shall be 3. Report
Show PT SSanyandchanges to positions
T C operator
increased worker exposure Moderate
Rare Major
Minor High
Low where distances or terrain prevent line of Unlikely Major Medium Group
controllers and site location
location undertaken and if the situation is unable to conditions
Show detailto ofPC or Supervisor
contingency plan.
sight;
be test priorContact
addressed to operation
Supervisors and/or T MD 4include
Report operational
any changes notestoonthe
T CTeam
crew
T MD for further actions position
leader
Documented contingency plan including
If Work sitedeployment
immediate conditions change andtraffic
of trained this 1. Monitor work site conditions
Uncontrolled traffic movements Source / Event becomes a concern a Site John Holland 2Ensure sufficient qualified operators
. Contact details supplied
controllers or safe shutdown available in case of failure
Possible Signal failure through worksite Present
Not presentatat
this
this Specific Risk Assessment shall be Group 3. Report any changes to
Moderate
Rare Catastrophic
Minor Extreme
Low Unlikely Catastrophic High Show Contingency notes on T GS
or power loss location
location undertaken and if the situation is unable to T MD conditions to PC or Supervisor
including changing to T C control and
Inspect
be and monitor
addressed Contacttemporary signals
Supervisors and/or 4replacing
Report signs
any changes to the Team
Lack of ongoing monitoring of signals T MI when required.
throughout
T the shift
MD for further and after any site
actions leader
change
Vehicles unable to stop safely due to Place PT SS at locations clear of steep
If Work site conditions change and this 1. Monitor work site conditions
downhill approach descends or inclines
Source / Event becomes a concern a Site 2 . Contact details supplied
Traffic Hold Point Review site terrain prior to planning.
Present
Not presentatat
this
this Specific Risk Assessment shall be 3. Report any changes to
located on downhill or Heavy Vehicles unable achieve Rare
Moderate Minor
Major Low
High Consider HVand travel speed/time in unable
EQL to Unlikely Major Medium T MD Adjust EQL to suit slower speeds due
location
location undertaken if the situation is conditions to PC or Supervisor
uneven surface required speed to cover the work zone where road topography includes varying to terrain
be addressed Contact Supervisors and/or 4 Report any changes to the Team
distance for EQL Calculations terrain.
T MD for further actions leader
If Work site conditions change and this 1. Monitor work site conditions
Possible poor visibility Source / Event becomes a concern a Site 2 . Contact details supplied
during night or adverse Drivers do not detect signals in time Not present at this - Specific Risk Assessment shall be 3. Report any changes to
Intentional left Blank - - Rare Minor
- Low
- -undertaken and if the situation is unable to - - - - -
weather onditions location conditions to PC or Supervisor
be addressed Contact Supervisors and/or 4 Report any changes to the Team
T MD for further actions leader
TGS TITLE:
John Holland Group - Lake Macdonald Drive, Lake Macdonald - SA_TT - JHG-25LV-24110095-RA - Page 13 Jay Persich TMD 1578 OPEN
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