Erosion and sediment control above grate based inlet filter system
An above grate based inlet filter system for erosion and sediment control comprises a natural fiber filter mat configured to extend beyond the perimeter of the grate and a securing mechanism, such as magnets, configured to securing the filter mat around the perimeter of the grate. The system may include a filter berm secured in vicinity to the mat, and a rectangular array of magnets coupling the filter mat to the grate. The natural fiber filter mat may effectively be a coir fiber filter mat extending beyond the perimeter of the grate, wherein the coir fiber filter mat is formed of vertically aligned coir fibers. The optional filter berm may be effectively formed as triangular in cross section and formed of 100% reticulated polyether foam and formed to be at least 3″ in height.
1. An above grate based inlet filter system for erosion and sediment control comprising a natural fiber filter mat configured to extend beyond the perimeter of the grate, a securing mechanism configured to securing the filter mat around the perimeter of the grate, wherein the natural fiber filter mat is coir fiber and wherein the coir fiber filter mat is formed of vertically aligned coir fibers.
2. The erosion and sediment control filter system according to claim 1 further including a polyether foam filter berm secured in vicinity to the mat.
3. The erosion and sediment control filter system according to claim 2 wherein the filter berm is formed of 100% reticulated polyether foam, and double sided tape securing the filter berm in position.
4. The erosion and sediment control filter system according to claim 1 wherein the coir fiber filter mat is at least 2 inches thick.
5. The erosion and sediment control filter system according to claim 1 wherein the coir fiber filter mat has a density of at least 35 oz/ft 3 .
6. The erosion and sediment control filter system according to claim 1 wherein the securing mechanism configured to securing the filter mat around the perimeter of the grate includes magnets.
7. The erosion and sediment control filter system according to claim 6 wherein the magnets are formed of Neodymium magnetic sheet material.
8. The erosion and sediment control filter system according to claim 1 wherein multiple sides of the mat are undulating having a pattern of repeating recesses.
9. The erosion and sediment control filter system according to claim 1 wherein the securing mechanism configured to securing the filter mat around the perimeter of the grate includes double sided tape securing the filter mat.
10. The erosion and sediment control filter system according to claim 1 wherein at least three sides of the mat are undulating having a pattern of repeating recesses.
11. The erosion and sediment control filter system according to claim 10 wherein the mat includes a plurality of high flow holes through the mat and closed at a bottom surface thereof by the magnets, and wherein the mat includes at least one removable dewatering plug configured to allow for selective mat bypass during high water flow.
12. The erosion and sediment control filter system according to claim 11 wherein the coir fiber filter mat is at least 2 inches thick, and has a density of at least 35 oz/ft 3 .
13. The erosion and sediment control filter system according to claim 12 further including a filter berm which is triangular in cross section and is formed of 100% reticulated polyether foam and is at least 3″ in height.
14. An above grate based inlet filter system for erosion and sediment control comprising a natural fiber filter mat configured to extend beyond the perimeter of the grate, a securing mechanism configured to securing the filter mat around the perimeter of the grate, wherein the mat includes a plurality of high flow holes through the mat and closed at a bottom surface thereof.
15. The erosion and sediment control filter system according to claim 14 wherein at least three sides of the mat are undulating having a pattern of repeating recesses.
16. An above grate based inlet filter system for erosion and sediment control comprising a natural fiber filter mat configured to extend beyond the perimeter of the grate, a securing mechanism configured to securing the filter mat around the perimeter of the grate, wherein the mat includes at least one removable dewatering plug configured to allow for selective mat bypass during high water flow.
17. The erosion and sediment control filter system according to claim 16 wherein each dewatering plug is formed out of the same natural fiber material as the mat.
18. The erosion and sediment control filter system according to claim 16 further including a polyether foam filter berm secured in vicinity to the mat.
19. The erosion and sediment control filter system according to claim 18 wherein the filter berm is formed of 100% reticulated polyether foam, and double sided tape securing the filter berm in position.
20. The erosion and sediment control filter system according to claim 16 wherein at least three sides of the mat are undulating having a pattern of repeating recesses.