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The HYDRAVANE is PROTECTORS Newest development in the field of gross pollutant traps. This system has been uniquely designed to be our most efficient gross pollutant trap yet. The HYDRAVANE is a combination of a wide range of proven and widely accepted gross pollutant removal techniques including Hydrodynamic separation, physical screening, hydrocarbon capture, sedimentation and the use of vortex flow for separation.
The HYDRAVANE systems utilises the technique of vortex radial flow to create a whirlpool movement within the water. The whirlpool flow forces the larger debris and non-dissolved pollutants to the centre of the flow, keeping pollutants away from the outflow screen. Along with this whirlpool flow, our uniquely designed outflow screen systems deflect these pollutants along the face of the screen, away from the ingress through the GPT screen, providing further removal of pollutants. The sharp angle of entry through the screen hence provides a high percentage of removal of GPT, only allowing dissolved particles, miniscule sedimentation and of course water to flow out of this System. The whirlpool flow also forces the Gross pollutants down the body of the system towards to bottom of the tank. Due to the positioning of the screen outflow system, a percentage of these gross pollutants are permanently removed from the flow path of the stormwater to be permanently removed and retained until maintenance. Sediments and TSS are also strongly propagated toward the bottom of the tank, settling at the bottom of the chamber, also removed from the flow path.
This fully FRP system produces a wide range of advantages over the already existing GPT systems on the market. Our experience in the construction, design and manufacture of FRP systems makes use extremely knowledgeable in the field of FRP applications and allows you to be confident that our systems will be efficient, long life and strong. FRP is a very lightweight material and is pound for pound much stronger than concrete so it is able to maintain the high strength aspects required for below ground installation with simple and easy transportation and installation. All of our FRP has been designed to be resistant to water driven erosion due to our interior corrosion resistance layers and along with its high strength and resistance to soil pressure forces, our systems can maintain a very long life of operation without failure or need for replacement. FRP is quickly becoming the best solution for long life underground hydraulics systems and we at PROTECTOR are putting it at the forefront of our designs.
This system design comes in a wide range of sizes, capacity’s, silt capture sizes and treatable flow rates. It is applicable to almost all areas and applications and can be designed in combination with our helpful team at PROTECTOR to produce the best possible results for any site demands.
Stormwater treatment systems form a vital part of increasing water quality and reducing pollution and contaminants that are being expelled into the environment. The role of stormwater treatment and management is an evolving issue, as developments, both commercial, industrial and residential, increase the strain of water pollution. With stormwater pollution making up the 2nd most influential contamination cause today, the need for effective and efficient solutions has never been greater.
We, as a community of engineers and designers, are tasked to create new solutions that keep the water environment and ecology safe whilst also providing an economical solution to the increasing developments. Storm water is water that is produced from rain, and possibly melting snow and ice, which flows over solid surfaces, capturing gross pollutants, sedimentation, nutrients, heavy metals and a wide range of other pollutants.
The majority of this water infiltrates into the soil, or evaporated or run off and enter nearby waterways. In natural areas, free from construction, buildings, motorways and agriculture etc. the water just soaks and absorbs into the soil or evaporates. In developed areas, not only does the range and concentrations of pollutants grow and grow, but the areas in which the water is usually absorbed or evaporated is removed, the storm water is funnelled through stormwater drainage systems and directly into our rivers, streams and waterways.
The natural processes of stormwater removal such as infiltration evaporation and filtering are greatly reduced, causing the concentrations and size of pollutants entering our waterways to drastically increase. Stormwater treatment and management is about protecting our environment. When we develop stormwater treatment systems we are designing ways in which to protect our environment, and rid our environment and ecosystems of pollution and contamination.
Hence the need for these systems is vital for our environment and ecosystems health and prolonged life. From gross pollutant traps which remove larger plastics, debris and sedimentation from our waterways, keeping our oceanic and water ecosystems protected from the well-known dangers of ocean and marine life coming into contact with plastics, to our tertiary treatments to remove heavy metals, organic nutrients and colloidal fine particles from our water systems and prevent from poisoning the environment. If the management of stormwater is conducted properly, with effective and efficient technologies in place, we can improve our water ecosystems and effectively lengthen our environments life.
Not only does proper stormwater treatment and management protect our environment, it also has several other benefits that are less widely known. These management systems can reduce flooding to protect people’s lives and properties, reduce the demand on public stormwater drainage systems, support healthy streams and rivers, and create healthier, more sustainable and viable communities. Effective stormwater management provides not only vital environmental benefits, it also provides social, economic and communal benefits.
The HYDRAVANE system utilises the vortex whirlpool flow as the basis of its operation. The system combines this natural separation technique with PROTECTORS unique screen design to ensure that the highest efficiency is achieved. Our systems come in a wide range of sizes, with a wide range of trash and sediment capacity, pipework sizes, designed for the best results for your site.
1. The polluted stormwater flows from the capture area, be it car parks, residential areas, shopping precincts or commercial developments, into the HYDRAVANE.
2. The stormwater enters, deflecting off the bypass weir and into the vortex chamber. The Vortex chamber walls promote the rotational flow of the polluted stormwater, enabling the creation of a vortex whirlpool. This whirlpool forces the trash, debris, floatables and sediment into the centre of the deflector screen.
The deflector screen has its ingress at an angle of 120 degrees from the direction of flow making it more difficult during flow for any debris, trash or any non-dissolved particles to pass through the screen, whilst not restricting water flow. The screen is designed to prevent any particle greater than 4mm from passing through.
3. The motion of the water forces the trash and debris down into the bottom of the chamber where the sediments settle.
4. Once the water flow and the whirlpool subside, the sediments are separated and the floatables are then able to float back to the water level of the tank, defined by the Invert level of the inlet and outlet.
At this point all sediment and smaller, heavier particles would have settled to the bottom allowing only the large floatables to rise, and due to the small 4mm gaps in the screen, no particles would float through.
Through regular maintenance, the HYDRAVANE can be ensured for a long efficient life.
5. The outlet section of the HYDRAVANE is very simple. The water is separated through the screen from the floatables and flows up and out of the outlet of the deflector screen chamber, and slowly fills the outlet chamber and flows out.
6. The bypass system is simple in its process, being simply designed as a weir system, the height of which is determined by inlet size. During high flow the water level rises to a point where the water flows over the top of the weir, directly to the outlet.
- Residential Subdivisions
- Commercial and Industrial developments
- Main Stormwater drainage systems
- Retrofitting to existing Stormwater drainage systems
- Stormwater harvesting projects
- Combined sewer overflows
- Any other applications where the target pollutants are primarily gross pollutants and oils and sediment
HDV.2 - The TYKE
Inlet Sizes: 100-225mm
HDV.3 - The TYKE
Inlet Sizes: 100-375mm
HDV.6 - The TYKE
Inlet Sizes: 225-600mm
HDV.8 - The TYKE
Inlet Sizes: 375-900mm
HDV.10 - The TYKE
Inlet Sizes: 375-900mm
HDV.15 – The Chief
Inlet Sizes: 375-1150mm
The Tyke System is our smallest Hydravane design, only 1.2m wide and 2m deep with a single access manway. The silt containment system is only 2080L in capacity, and the small design of this system yields many benefits for those small sites.
This fully assembled system is perfect for any site that has small space, depths, or requires a minimal site footprint. With pipe sizing ranging from 100mm to 300mm in diameter, the TYKE is perfect for your small site needs!
Below Ground Installation Instructions
1. Form excavation at depth 300mm below depth of tank. Place 200mm of firm
compacted sub base
2. Place 100mm of bedding sand to required level.
3. Lower the tank into the excavation ensuring no sharp objects that may cause
penetration of the tank are present. All lifting apparatus is to be supplied by the
contractor for installation. Ensure the level of the tank matches the installation
4. Fill tank to 20% of total volume.
5. Backfill the tank with pea gravel surround up to height of tank flange
6. If installation is in high water table area – Insert the concrete Ballast,
thickness and radius of which is to suitably match that of the supplied series
drawing. This ensures no movement when the tank is empty and to maintain
contact with the gravel backfill.
NOTE: If the Volume of concrete of the top slab is equal to the volume of the
tank, a concrete slab is not required.
7. Fill the area above the ballast with pea gravel up to a maximum height of
100mm below the top of the lid for room for concrete slab.
8. Site conditions will be used to determine the size of the concrete slab,
determined by a civil engineer. Use of reo bars only when necessary and
instructed by the civil engineer.
9. Seal all pipe connections to ensure no leakage and install access cover.
Protector products are constructed using the advanced chop hoop filament winding process which ensures circumferential as well as longitudinal strength. Every Protector product has a smooth moulded resin rich corrosion barrier inner layer and an external resin rich water penetration barrier.
Being manufactured in FRP (fibre reinforced plastics) Protector products are light,easy to handle and easy to install. The smooth internal moulded finish provides excellent protection against scum build up, exhibit excellent corrosion resistance and are not susceptible to rust.
Having over 20 years of experience in FRP manufacturing and design, our team is able to ensure the finest products available. We are a driven team who has knowledge on every part of the design and manufacturing process to ensure that each step of the construction of your PROTECTOR product is kept up to the highest standards.
The dished ends are incorporated during the filament winding process, enabling tanks to be moulded and completed as virtually ‘one piece’ units. Themanufacturing process is carefully monitored with a digital read out system.
Chopping glass, winding glass, the resin-rich inner layer and main laminate resins are kept within specification parameters, thus minimising human error. Quality control procedures require each tank to be carefully inspected and tested.
Throughout our design and manufacture of our various designs we have maintained all of the Australian standards required in out systems.
The underground tank Design Methodology is based on the use of the above standards as described, where applicable:
ASME RTP-1 is used to formulae the Design of the shell under external soil/groundwater loading is based on design for external collapse.
AS2634 is used to formulae the design & manufacture and installation of the Penetrations to the stations.
AS1546 is used to formulae the design load of soil/ groundwater, and use for the testing methods applied.
AS1170 is used to formulae the design loads from active loads that the stations are subject to, including the required roof slab design. This standard is also used to formulae the ballast requirements for
- Internal Corrosion Barrier, moulded with a resin rich C’veil and CSM layers.
- Resin rich Corrosion barrier constructed from Hetron 922 Vinyl Ester Resin.
- C’veil will be Regina 80gsm Surface Tissue
- The Internal Corrosion Barrier is manufactured in accordance with AS2634.
External layer will a resin rich CSM layer and C-Glass veil finished with ISO/NPG Flocoat layer for external finish to required colour
Manufactured using Chop / Hoop Construction, on a computer controlled Filament Winding machine. Shell Thickness are in accordance to the design requirements set out in the methodology.
- Structural layers are constructed from Polyplex
- Isophthalic Resin with CSM & Hoop in accordance with
- Ratio’s as specified by the design.
- Fiberglass ‘E’ glass is used for both chopped and continuous strands.