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AQUATOR Commercial Oil Water Separator
Operating, Installation & Maintenance Manual
This Aquator Commercial Oil Water Separator (OWS) Operating and Maintenance Manual
gives instructions for single-wall and double-wall OWS applications. It must be used in
combination with the Tank Solutions Installation Manual and Operating Guidelines for Single-
Wall and Double-Wall Fiberglass Underground Storage Tanks. (According to EN 858-
2:2003E)
Some Notes from EN 858-2:2003 (E);
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The light liquid shall not be able to escape from separator or the extension shafts.
Separator systems shall be installed in such way that the level of the manhole cover
(ground level) is higher than the water level on the surface being drained. This is will
prevent the possible escape of light liquid from the system
Installation following EN 858-2:2003 (E);
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Separator system shall be only installed on drainage systems where light liquids need
to be separated from water and retained within the separator. They shall not be
installed on drain and sewer systems containing domestic wastewater.
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The drainage of areas where light liquids are unlikely to occur, such as roofs
and grassed areas should not discharge through separators.
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The connection of the separator system to the drainage system shall be done
in accordance with the local regulations.
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Sampling access shall be integral or separately installed, immediately downstream
of the separator.
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To avoid turbulence within the separator, pumping and lifting plants should be
installed downstream of the separator.
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The provision of traps on drains depends on local regulations. The drains as well as
the connected pipelines shall be installed to fall to the separator system.
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If for technical reasons long pipe runs are required for large collecting areas, e.g. tank
farms, army barracks, refineries, full pipelines may be necessary for special protection
of the drainage installations.
TD_IM_009
Rev 3
Page 1 of 11
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Summary of Contents for Tank Aquator
- Page 1 The provision of traps on drains depends on local regulations. The drains as well as the connected pipelines shall be installed to fall to the separator system. If for technical reasons long pipe runs are required for large collecting areas, e.g. tank farms, army barracks, refineries, full pipelines may be necessary for special protection of the drainage installations.
- Page 2 Sampling port - clean the drain channel Light liquid and sludge shall be removed as required. Before putting in service the Aquator shall be filled with fresh water. Note: emptying is recommended when on half of sludge volume or 80% of the storage capacity of the separator is reached.
- Page 3 A Tank Solutions Aquator Commercial Oil Water Separator is a high-quality system for removing oil from water. It is comprised of a standard single wall or double-wall tank that has been modified with piping and internal components to separate oil from water.
- Page 4 DEFINITIONS For terms related to the Tank Solutions Aquator, see Figure 1-1, the drawing is for purposes of terminology only. Each separator will be allocated a nominal size (NS) according to the maximum flow that can be treated to give, under the test conditions, an oil concentration of up to 5 mg/L (Class 1) in the discharge.
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Page 5: Installation
1/2 inch to 1 inch lower than the inlet side. The Aquator is designed to be gravity-fed. If an installation requires a lift station, the lift station should be located downstream of the Aquator. - Page 6 Make sure inlet valves have no valve seat or reductions and are the same size as the piping. To prevent debris from entering the Aquator, plug the inlet piping and outlet piping until the drainage site is paved and the GPT (if present) is installed.
- Page 7 Place the fill hose through the fitting and secure it so it does not spray directly on the coalescing filter. Both chambers of the Aquator should be filled with clean water up to the invert level of the outlet pipe. It is now ready for use.
- Page 8 Visually inspect the Aquator interior (walls, components and inlet piping) for damage. If you observe any damage, contact the Tank Solutions. If entry to the Aquator is required, remove all liquid from the Aquator and isolate all inlet and outlet pipework and valves.
- Page 9 OPTIONAL PROCESS FOR CLEANING THE AQUATOR If it has been less than 12 months since last cleaning the Aquator and if only the bottom sludge has built up and the effluent water is contaminant-free, the following procedure may be sufficient for proper maintenance: Vacuum out the sludge from silt chamber.
- Page 10 HANDLING A MAJOR OIL SPILL When the oil exceeds the nominal oil storage capacity of the Aquator because of a spill, it may be considered a major oil spill. Take the following actions: Notify the authorities required by applicable federal, state and local regulations and codes.
- Page 11 SPECIFIC INSTALLATION REQUIREMENTS FOR THE WESTERN AUSTRALIAN WATER CORPORATION All Aquator installations in the Water Corporation network must be installed with a Trade Waste Sampling Point (TWSP) on the Aquator outlet pipework. See Water Corporation drawing number HX33-11-30 for details.