Ocean Protect Jellyfish Filter Manual

Jellyfish Filter
Operations & Maintenance Manual

Ocean Protect | Jellyfish Operations & Maintenance Manual
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Table of Contents
Introduction............................................................................................................................................ 2
Why do I need to perform maintenance?..................................................................................................... 2
Health and Safety ................................................................................................................................... 3
Personnel health and safety.......................................................................................................................... 3
How does it Work? ................................................................................................................................. 4
Maintenance Procedures ....................................................................................................................... 5
Primary Types of Maintenance...................................................................................................................... 5
Minor Service................................................................................................................................................. 5
Major Service (Filter Cartridge Replacement)............................................................................................... 6
Additional Types of Maintenance ................................................................................................................. 7
Hazardous Material Spill............................................................................................................................ 7
Blockages................................................................................................................................................... 7
Major Storms and Flooding ....................................................................................................................... 7
Disposal of Waste Materials.......................................................................................................................... 7
Maintenance Services............................................................................................................................. 7
Appendix 1 –Jellyfish Cartridge Schematic............................................................................................ 8
Rev: 1 Last Updated: March 2019

Ocean Protect | Jellyfish Operations & Maintenance Manual
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Introduction
The primary purpose of stormwater treatment devices is to capture and prevent pollutants from entering
waterways, maintenance is a critical component of ensuring the ongoing effectiveness of this process. The
specific requirements and frequency for maintenance depends on the treatment device and pollutant load
characteristics of each site. This manual has been designed to provide details on the cleaning and
maintenance processes for the Jellyfish Filter as recommended by the manufacturer.
The Jellyfish Filter is a stormwater quality treatment technology featuring high surface area and high flow
rate membrane filtration at low driving head. By incorporating pre-treatment with light-weight membrane
filtration, the Jellyfish Filter removes floatables, trash, oil, debris, TSS and a high percentage of particulate-
bound pollutants; including phosphorus and nitrogen, metals and hydrocarbons.
Why do I need to perform maintenance?
Adhering to the maintenance schedule of each stormwater treatment device is essential to ensuring that it
functions properly throughout its design life.
During each inspection and clean, details of the mass, volume and type of material that has been collected
by the device should be recorded. This data will assist with the revision of future management plans and help
determine maintenance interval frequency. It is also essential that suitably qualified and experienced
personnel carry out all maintenance (including inspections, recording and reporting) in a systematic manner.
Maintenance of your stormwater management system is essential to ensuring ongoing at-source control of
stormwater pollution. Maintenance also helps prevent structural failures (e.g. prevents blocked outlets) and
aesthetic failures (e.g. debris build up), but most of all ensures the long term effective operation of the
Jellyfish.

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Health and Safety
Access to a Jellyfish unit requires removing heavy access covers/grates, and entry into a confined space.
Pollutants collected by the Jellyfish will vary depending on the nature of your site. There is potential for these
materials to be harmful. For example, sediments may contain heavy metals, carcinogenic substances or
objects such as broken glass and syringes. For these reasons, all aspects of maintaining and cleaning your
Jellyfish require careful adherence to Occupational Health and Safety (OH&S) guidelines.
It is important to note that the same level of care needs to be taken to ensure the safety of non-work
personnel. As a result, it may be necessary to employ traffic/pedestrian control measures when the device
is situated in, or near areas with high vehicular/pedestrian activity.
Personnel health and safety
Whilst performing maintenance on the Jellyfish, precautions should be taken in order to minimise (or, if
possible, prevent) contact with sediment and other captured pollutants by maintenance personnel. The
following personal protective equipment (PPE) is subsequently recommended:
Puncture resistant gloves
Steel capped safety boots
Long sleeve clothing, overalls or similar skin protection
Eye protection
High visibility clothing or vest
During maintenance activities, it may be necessary to implement traffic control measures. Ocean Protect
recommend that a separate site-specific traffic control plan is implemented as required to meet the relevant
governing authority guidelines.
Whilst some aspects of Jellyfish maintenance can be performed from surface level, there will be a need to
enter the Jellyfish pit (confined space) for both minor and major services. It is recommended that all
maintenance personnel evaluate their own needs for confined space entry and compliance with relevant
industry regulations and guidelines. Ocean Protect maintenance personnel are fully trained and carry
certification for confined space entry applications.

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How does it Work?
Stormwater enters the Jellyfish system through the inlet pipe where floatable pollutants are captured behind
the maintenance access wall. As stormwater enters the treatment chamber a separation skirt ensures the
retention of oils whilst simultaneously protecting the filtration cartridges and allowing coarse particles to
settle below on the chamber floor. Stormwater then passes through the Jellyfish cartridges and onto the
Jellyfish deck, at this point the backwash pool will fill and overflow allowing treated stormwater to exit via
the outlet pipe.
As the storm event subsides, the treated water held in the backwash pool passes back through the high flow
cartridges into the treatment chamber. This passive backwash helps to clear the cartridge surface by
dislodging sediment onto the chamber floor. The drain down cartridge(s) located outside the backwash pool
enables water levels to balance, leaving the cartridge deck level free of standing water.

Ocean Protect | Jellyfish Operations & Maintenance Manual
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Maintenance Procedures
To ensure optimal performance, it is advisable that regular maintenance is performed. Typically the Jellyfish
requires a service every 6 months, additionally as the Jellyfish cartridges capture pollutants they will need to
be replaced (expected cartridge life is 2-5 years with a maximum cartridge life of 5 years).
Primary Types of Maintenance
The table below outlines the primary types of maintenance activities that typically take place as part of an
ongoing maintenance schedule for the Jellyfish.
Description of Typical Activities
Frequency
Minor Service
Removal & rinsing of cartridges
Wash down of deck level
Removal of large floatable pollutants
Removal of accumulated sediment (if required)
Every 6 Months
Major Service
Replacement of Jellyfish cartridges
As required
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 assess the condition of the Jellyfish cartridges and record necessary information
that will establish whether a major service is required.
1. Establish a safe working area around the access point
2. Remove access covers
3. Using a vacuum unit or net remove any floatable gross pollutants contained behind the
maintenance access wall
4. Using a vacuum unit decant the water until the level drops below the base of the cartridges
5. Remove Jellyfish cartridges*
a. Remove cartridge lid
b. Remove cartridges vertically from chamber, lifting from eye nut lifting points only
c. Replace and secure cartridge lid back into deck to reduce trip hazards during maintenance
6. Unscrew all 11 tentacles from the cartridge head plate, keep all components for reassembly*
7. Rinse each tentacle individually NOTE: excessive water pressure may damage the tentacles
a. Position tentacle in a container (to capture runoff) with the open end facing down
b. Rinse entire length of cartridge using only low pressure water source (e.g. garden hose).
c. Evaluate and note the condition of the tentacles
d. Ensure runoff is disposed appropriately
e. Re-assemble cartridges ready for reinstallation*
8. Wash down deck level to remove any built up sediment (if required)
9. Measure the level of accumulated sediment in the chamber if depth is greater than 300mm use
vacuum unit to remove sediment.
10. Re-install Jellyfish cartridges
a. Remove cartridge lid
b. Lower cartridge into chamber, lifting from eye nut lifting points only
c. Insert cartridge vertically into cartridge receptacle, and secure cartridge lid back in place
11. Replace access covers
*Refer appendix 1 for Jellyfish Cartridge Schematic

Ocean Protect | Jellyfish Operations & Maintenance Manual
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Major Service (Filter Cartridge Replacement)
For the Jellyfish system a major service is a reactionary process based on the outcomes from the minor
service.
Trigger Event
Maintenance Action
Rinsing does not remove accumulated
sediment from the tentacles
Replace Jellyfish tentacles[1]
Jellyfish tentacles are damaged
Replace Jellyfish tentacles[1]
Jellyfish cartridges have been in
operation for 5 years
Replace Jellyfish tentacles[1]
[1] Replacement filter tentacles and components are available for purchase from Ocean Protect.
This service is designed to return the Jellyfish device back to optimal operating performance
1. Establish a safe working area around the access point
2. Remove access covers
3. Using a vacuum unit or net remove any floatable gross pollutants contained behind the
maintenance access wall
4. Using a vacuum unit decant the water until the level drops below the base of the cartridges
5. Remove Jellyfish cartridges*
a. Remove cartridge lid
b. Remove cartridges vertically from chamber, lifting from eye nut lifting points only
c. Replace and secure cartridge lid back into deck to reduce trip hazards during maintenance
6. Unscrew all 11 tentacles from the cartridge head plate for disposal, keep all components for fixing
of new tentacles to existing head plate*
7. Wash down deck level to remove any built up sediment (if required)
8. Use vacuum unit to remove accumulated sediment and pollutants in the chamber
9. Install replacement tentacles into each head plate*
10. Install Jellyfish cartridges
a. Remove cartridge lid
b. Lower cartridge into chamber, lifting from eye nut lifting points only
c. Insert cartridge vertically into cartridge receptacle, and secure cartridge lid back in place
11. Replace access covers
*Refer appendix 1 for Jellyfish Cartridge Schematic

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Additional Types of Maintenance
Occasionally events on site can make it necessary to perform additional maintenance to ensure the
continuing performance of the device.
Hazardous Material Spill
If there is a spill event on site, the Jellyfish unit should be inspected and serviced accordingly. Specifically, all
captured pollutants and liquids from within the unit should be removed and disposed in accordance with any
additional requirements that may relate to the type of spill event. Additionally, it will be necessary to inspect
the filter cartridges and assess their contamination, depending on the type of spill event it may be necessary
to replace the filtration cartridges.
Blockages
The Jellyfish treatment system is designed to operate in an offline arrangement, where an upstream high
flow bypass structure is in used. In the unlikely event that flooding occurs upstream of the Jellyfish system,
the following steps should be undertaken to assist in diagnosing the issue and determining the appropriate
response.
1. Inspect the upstream diversion structure to ensure that it is free of debris and pollutants
2. Inspect the Jellyfish unit checking both the inlet and outlet pipes for obstructions (e.g. pollutant build-
up, blockage), which if present, should be removed.
Major Storms and Flooding
In addition to the scheduled activities, it is important to inspect the condition of the Jellyfish after a major
storm event. The focus is to inspect for damage and higher than normal sediment accumulation that may
result from localised erosion. Where necessary, damaged components should be replaced and accumulated
pollutants should be removed and disposed.
Disposal of Waste Materials
The accumulated pollutants found in the Jellyfish must be handled and disposed of in a manner that is in
accordance with all applicable waste disposal regulations. When scheduling maintenance, consideration
must be made for the disposal of solid and liquid wastes. If the filter cartridges have been contaminated with
any unusual substance, there may be additional special handling and disposal methods required to comply
with relevant government/authority/industry regulations.
Maintenance Services
With over a decade and a half of maintenance experience Ocean Protect has developed a systematic
approach to inspecting, cleaning and maintaining a wide variety of stormwater treatment devices. Our fully
trained and professional staff are familiar with the characteristics of each type of system, and the processes
required to ensure its optimal performance.
Ocean Protect has several stormwater maintenance service options available to help ensure that your
stormwater device functions properly throughout its design life. In the case of our Jellyfish system we offer
long term pay-as-you-go contracts, pre-paid once off servicing and replacement cartridges.
For more information please visit www.OceanProtect.com.au

Ocean Protect | Jellyfish Operations & Maintenance Manual
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Appendix 1 –Jellyfish Cartridge Schematic
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