Level of Service Catalogue 2019-20

Service Listing 1 of 1
 Service Output                  STORMWATER DRAINAGE & FLOOD MITIGATION
                                 Provision and maintenance of a stormwater drainage network and
                                 other measures to minimise impacts to the road transport network,
                                 private property and the environment.

 Service Activity                Maintenance
                                 The activities include regular inspections and routine works to ensure
                                 drainage lines are free flowing, that the impact of contaminants being
                                 washed into the ocean/waterways is minimised, that flood mitigation
                                 measures perform to design criteria and that accurate information is
                                 available to respond to flooding events.

 Responsible Area1               Department                            Branch
                                 Infrastructure Services               Civil Operations (Civil Works &
                                                                       Maintenance)
                                                                       Asset Management (Flood
                                                                       alert/gauges)

 Cost Centres                    Drainage                              2005
                                 Asset Management & Service            2105 (Flood Alert Stations / Height
                                 Programming                           Gauges only)
                                 Department Management – Director      1900
                                 Infrastructure Services
                                 Management Civil Operations           2000
                                 Works Operations Coordination         2021
                                 Works Operations                      2704

 Key Statistics2                 # Stormwater Drainage assets          22,830 items
                                 Length of stormwater drainage         281 km
                                 network
                                 # Stormwater Quality Improvement      18 (major)
                                 Devices’s (SQID’s - include gross     44 (minor installations)
                                 pollutant traps, pit baskets, trash
                                 racks etc.)
                                 # Stormwater bio-retention basins     46
                                 # Flood Alert Towers/structures       22
                                 # Flood Alert Stations (tower in      23
                                   Pomona has 2 stations on
                                   structure)
                                 Flood Alert - Repeater hardware -     1
                                 Mt Wolvi
                                 Food Alert - Telemetry receiver       1
                                 hardware
                                 Flood Maximum Height Gauges           46

 Legislative responsibility to   None.
 provide this service




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