Attachment 1 - Stormwater Management Plan

                                           Ocean Protect | OceanGuard Operations & Maintenance Manual
Maintenance requirements and frequencies are dependent on the pollutant load characteristics of each site.
The frequencies provided in this document represent what the manufacturer considers to be best practice
to ensure the continuing operation of the device is in line with the original design specification.

Minor Service
This service is designed to return the OceanGuard device back to optimal operating performance. This type
of service can be undertaken either by hand or with the assistance of a Vacuum unit.


Hand Maintenance
   1. Establish a safe working area around the pit insert
   2. Remove access cover/grate
   3. Use two lifting hooks to remove the filtration bag
   4. Empty the contents of the filtration bag into a disposal container
   5. Inspect and evaluate the filtration bag
   6. Inspect and evaluate remaining OceanGuard components
      (i.e. flow diverter, filtration cage and supporting frame)
   7. Rejuvenate filtration bag by removing pollutant build up with a stiff brush, additionally the filtration
      bag can be washed using high pressure water
   8. Re-install filtration bag and replace access cover/grate


Vacuum Maintenance
   1. Establish a safe working area around the pit insert
   2. Remove access cover/grate
   3. Vacuum captured pollutants from the filtration bag
   4. Remove filtration bag
   5. Inspect and evaluate the filtration bag
   6. Inspect and evaluate remaining OceanGuard components
      (i.e. flow diverter, filtration cage and supporting frame)
   7. Rejuvenate filtration bag by removing pollutant build up with a stiff brush, additionally the filtration
      bag can be washed using high pressure water
   8. Re-install filtration bag and replace access cover/grate


Major Service (Filter Bag Replacement)
For the OceanGuard system, a major service is a reactionary process based on the outcomes from the
minor service.

                 Trigger Event from Minor Service                Maintenance Action

                  Filtration bag inspection reveals
                                                              Replace the filtration bag[1]
                               damage

                                                          Perform rectification works and if
              Component inspection reveals damage
                                                          necessary replace components[1]

        [1] Replacement filtration bags and components are available for purchase from Ocean Protect.



                                                                                                  Page 5 of 6