Garnet Street RFI_20150513_ITC (Part 1)

Risk Register - 2100mm RCP
                                                                                                                               Existing Controls of    Effectiveness
                                                                                                                                                                       Likelihood of Death                                           Is the Risk
Identified Risk/Hazard                                                                Controls in Place                             Identified          of Existing                             Consequence       Risk Rating                             Outcome
                                                                                                                                                                             or Injury                                              Significant?
                                                                                                                                   Risk/Hazard            Controls


All culverts and stormwater inlets with a minimum inlet dimension greater than        Fencing and road barrier, large pipes                                                                                                                         Further asessment
                                                                                                                                       Yes                   Good                2                   4               High                No
375mm, and an expected pipe-full flow travel time greater than 10 seconds.            (DN2100), located on a watercourse,                                                                                                                                required


All culverts and stormwater inlets with a minimum inlet dimension greater than                                                                                            See Below for         See Below for
                                                                                      Not applicable                             Please Select…       Please Select…                                                 #N/A               #N/A                #N/A
375mm and a conduit containing a potential impact structure.                                                                                                               Categories…           Categories…

All culverts and stormwater inlets with a minimum inlet dimnesion greater than
                                                                                                                                                                          See Below for         See Below for
375mm that discharge to waters that are either inaccessible to a potential rescuer,   Not applicable                             Please Select…       Please Select…                                                 #N/A               #N/A                #N/A
                                                                                                                                                                           Categories…           Categories…
or have no suitable egress.

All culverts or stormwater inlets where the assessed safety risk is considered                                                                                            See Below for         See Below for
                                                                                      Not applicable                             Please Select…       Please Select…                                                 #N/A               #N/A                #N/A
unacceptable.                                                                                                                                                              Categories…           Categories…

                                                                                                                                                                          See Below for         See Below for
                                                                                      Not applicable                             Please Select…       Please Select…                                                 #N/A               #N/A                #N/A
                                                                                                                                                                           Categories…           Categories…



                                                                                                                              Likelihood Table                                                                  Consequence Table
                                                                                                                                      Level             Descriptor         Description                               Level           Descriptor         Description

                                                                                                                                                                       The event will occur
                                                                                                                                        1             Almost Certain                                                  5         Major              Fatal injuries
                                                                                                                                                                       on an annual basis
Travel Time Calculation
Distance = 69.34m, pipe velocity = 1.83m/s, travel Time = 37.9s (>10s)
                                                                                                                                                                       The event has
                                                                                                                                                                       occurred several                                                            Permanent injury or
                                                                                                                                        2             Likely                                                          4         Significant
                                                                                                                                                                       times in recorded                                                           psychological trauma
                                                                                                                                                                       history

                                                                                                                                                                       The event is likely to
                                                                                                                                                                                                                                                   Broken bone or open
                                                                                                                                        3             Possible         occur once in 50                               3         Moderate
                                                                                                                                                                                                                                                   flesh wound
                                                                                                                                                                       years

                                                                                                                                                                       The event has
                                                                                                                                        4             Unlikely         occurred once                                  2         Minor              Cuts and bruises
                                                                                                                                                                       before
                                                                                                                                                                       The event has not
                                                                                                                                                                       occurred locally, but                                                       Wet clothes or mild
                                                                                                                                        5             Rare                                                            1         Very Minor
                                                                                                                                                                       has occurred                                                                scare or mild trauma
                                                                                                                                                                       elsewhere

                                                                                                                                                      Consequence
                                                                                                                                   Likelihood               1                  2                    3                  4                 5
                                                                                                                                        1                Medium               High                 High            Very High         Very High
                                                                                                                                        2                Medium              Medium                High              High            Very High
                                                                                                                                        3                  Low               Medium                High              High              High
                                                                                                                                        4                  Low                Low                 Medium           Medium              High
                                                                                                                                        5                  Low                Low                 Medium           Medium              High