AU2018101689A4 - Stormwater litter basket to sit under kerb inlet lintel. Optional diversion plate around perimeter of grate to divert runoff to basket. Bottom designed to retain sediment with geofabric filter insert. Hydrocarbon removal socks can be included. Lip to retain pollutants in basket during high flows. Two methods of high flow bypass - over top of basket, and through the centre of grate, which is left open. Less prone to blockage. More durable, not reliant on a fabric mesh filter to contain pollutants. Could be made from a range of materials, including stainless steel, aluminium or plastic. - Google Patents
Stormwater litter basket to sit under kerb inlet lintel. Optional diversion plate around perimeter of grate to divert runoff to basket. Bottom designed to retain sediment with geofabric filter insert. Hydrocarbon removal socks can be included. Lip to retain pollutants in basket during high flows. Two methods of high flow bypass - over top of basket, and through the centre of grate, which is left open. Less prone to blockage. More durable, not reliant on a fabric mesh filter to contain pollutants. Could be made from a range of materials, including stainless steel, aluminium or plastic. Download PDFInfo
- Publication number
- AU2018101689A4 AU2018101689A4 AU2018101689A AU2018101689A AU2018101689A4 AU 2018101689 A4 AU2018101689 A4 AU 2018101689A4 AU 2018101689 A AU2018101689 A AU 2018101689A AU 2018101689 A AU2018101689 A AU 2018101689A AU 2018101689 A4 AU2018101689 A4 AU 2018101689A4
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- AU
- Australia
- Prior art keywords
- basket
- grate
- pollutants
- retain
- lintel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
Abstract Stormwater litter basket arranged to sit under a kerb inlet lintel, comprising an optional diversion plate around the perimeter of a grate to divert runoff to the basket, and a bottom arranged to retain sediment using a geofabric filter insert, optionally hydrocarbon removal socks can be included, and a lip to retain pollutants in basket during high flows.
Description
It is often very costly and problematic to retrofit underground gross pollutant traps (GPTs) in an urban environment. Litter baskets which site in gully inlets have long been an alternative for capturing pollutants before they enter the drain and are discharged to creeks and oceans.. However, as they can cause blockages and local flood issues, and have high ongoing maintenance concerns, local Councils are hesitant to use them. This design combats these two main issues. It provides two means of high flow bypass, reducing risk of blockage, and it can be made of a more durable material. The location of the basket under the lintel will allow for cleaning via vacuum hose, without requiring removal of grate, so improving maintenance potential.
The innovative concepts included in this design are the rise in support bars to keep basket under lintel, the lip to trap buoyant material in the basket and the diversion plate around perimeter of grate that will divert flows to basket, while allowing high flows to bypass through centre of grate.
Baskets currently on market either rely on fabric mesh to capture pollutants, which is prone to failure, or have no reliable means of flow bypass. The flow bypass mechanisms in this design do not rely on moveable parts, thereby reducing risk of failure. Other more durable litter baskets have larger apertures, to reduce risk of blockage. However, this reduces the effectiveness of the basket to remove litter and sediment.
The following table summarises the pros and cons of this design compared to current designs on the market.
They could be made from stainless steel or aluminium. To increase pollutant storage capacity you could increase the depth. There is also potential for 3D recycled plastic printing to be used to make them, so they would be more easily customisable to different pit dimensions - but then you have the potential issue of them breaking down and micro-plastics being released, which would need to be considered.
Claims (1)
- - There is 3 pages of Claims only It is often very costly and problematic to retrofit underground gross pollutant traps (GPTs) in an urban environment. Litter baskets which site in gully inlets have long been an alternative for capturing pollutants before they enter the drain and are discharged to creeks and oceans.. However, as they can cause blockages and local flood issues, and have high ongoing maintenance concerns, local Councils are hesitant to use them. This design combats these two main issues. It provides two means of high flow bypass, reducing risk of blockage, and it can be made of a more durable material. The location of the basket under the lintel will allow for cleaning via vacuum hose, without requiring removal of grate, so improving maintenance potential. The innovative concepts included in this design are the rise in support bars to keep basket under lintel, the lip to trap buoyant material in the basket and the diversion plate around perimeter of grate that will divert flows to basket, while allowing high flows to bypass through centre of grate. Baskets currently on market either rely on fabric mesh to capture pollutants, which is prone to failure, or have no reliable means of flow bypass. The flow bypass mechanisms in this design do not rely on moveable parts, thereby reducing risk of failure. Other more durable litter baskets have larger apertures, to reduce risk of blockage. However, this reduces the effectiveness of the basket to remove litter and sediment. The following table summarises the pros and cons of this design compared to current designs on the market. They could be made from stainless steel or aluminium. To increase pollutant storage capacity you could increase the depth. There is also potential for 3D recycled plastic printing to be used to make them, so they would be more easily customisable to different pit dimensions - but then you have the potential issue of them breaking down and micro-plastics being released, which would need to be considered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2018101689A AU2018101689A4 (en) | 2018-11-13 | 2018-11-13 | Stormwater litter basket to sit under kerb inlet lintel. Optional diversion plate around perimeter of grate to divert runoff to basket. Bottom designed to retain sediment with geofabric filter insert. Hydrocarbon removal socks can be included. Lip to retain pollutants in basket during high flows. Two methods of high flow bypass - over top of basket, and through the centre of grate, which is left open. Less prone to blockage. More durable, not reliant on a fabric mesh filter to contain pollutants. Could be made from a range of materials, including stainless steel, aluminium or plastic. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2018101689A AU2018101689A4 (en) | 2018-11-13 | 2018-11-13 | Stormwater litter basket to sit under kerb inlet lintel. Optional diversion plate around perimeter of grate to divert runoff to basket. Bottom designed to retain sediment with geofabric filter insert. Hydrocarbon removal socks can be included. Lip to retain pollutants in basket during high flows. Two methods of high flow bypass - over top of basket, and through the centre of grate, which is left open. Less prone to blockage. More durable, not reliant on a fabric mesh filter to contain pollutants. Could be made from a range of materials, including stainless steel, aluminium or plastic. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2018101689A4 true AU2018101689A4 (en) | 2019-01-03 |
Family
ID=64872763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2018101689A Ceased AU2018101689A4 (en) | 2018-11-13 | 2018-11-13 | Stormwater litter basket to sit under kerb inlet lintel. Optional diversion plate around perimeter of grate to divert runoff to basket. Bottom designed to retain sediment with geofabric filter insert. Hydrocarbon removal socks can be included. Lip to retain pollutants in basket during high flows. Two methods of high flow bypass - over top of basket, and through the centre of grate, which is left open. Less prone to blockage. More durable, not reliant on a fabric mesh filter to contain pollutants. Could be made from a range of materials, including stainless steel, aluminium or plastic. |
Country Status (1)
| Country | Link |
|---|---|
| AU (1) | AU2018101689A4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943359A (en) * | 2021-03-16 | 2021-06-11 | 白风银 | Tunnel construction equipment |
-
2018
- 2018-11-13 AU AU2018101689A patent/AU2018101689A4/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943359A (en) * | 2021-03-16 | 2021-06-11 | 白风银 | Tunnel construction equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGI | Letters patent sealed or granted (innovation patent) | ||
| MK22 | Patent ceased section 143a(d), or expired - non payment of renewal fee or expiry |