US-20260125889-A1 - AGGREGATE REDUCTION IN STORMWATER MANAGEMENT SYSTEM

Abstract

The disclosed embodiments describe systems, methods, and devices for a fluid run-off system. These systems, methods, and devices may include a fluid run-off system which may comprise a layer of foundation stone, at least one stormwater management system located above the layer of foundation stone, a layer of embedment stone located around the at least one stormwater chamber, a layer of initial fill located above the layer of embedment stone, a layer of final fill located above the layer of initial fill, a filtration fabric located around a perimeter of the layer of foundation stone and the layer of embedment stone, and a geogrid system located around a perimeter of the filtration fabric.

Inventors

• Samuel Lee
• Gregory SPIRES
• Christopher STONEBURG

Assignees

• ADVANCED DRAINAGE SYSTEMS, INC.

Dates

Publication Date

20260507

Application Date

20250821

Claims (18)

1. 1 . A fluid run-off system, comprising: a layer of foundation stone; at least one stormwater management system located above the layer of foundation stone; a layer of embedment stone located around the at least one stormwater chamber; a layer of initial fill located above the layer of embedment stone; a layer of final fill located above the layer of initial fill; a filtration fabric located around a perimeter of the layer of foundation stone and the layer of embedment stone; and a geogrid system located around a perimeter of the filtration fabric.
2. 2 . The fluid run-off system of claim 1 , wherein a bottom layer of the geogrid system is located beneath the layer of foundation stone.
3. 3 . The fluid run-off system of claim 1 , wherein a top layer of the geogrid system is located above the layer of embedment stone.
4. 4 . The fluid run-off system of claim 1 , wherein the geogrid system comprises a coextruded composite polymer sheet.
5. 5 . The fluid run-off system of claim 4 , wherein the geogrid system comprises a plurality of ribs.
6. 6 . The fluid run-off system of claim 5 , wherein the plurality of ribs form hexagons, triangles, and trapezoids.
7. 7 . The fluid run-off system of claim 5 , wherein the layer of foundation stone interlocks with the plurality of ribs.
8. 8 . The fluid run-off system of claim 7 , wherein the plurality of ribs are configured to restrain the layer of foundation stone against rotation.
9. 9 . The fluid run-off system of claim 1 , wherein the layer of foundation stone comprises at least nine inches of foundation stone.
10. 10 . The fluid run-off system of claim 1 , wherein the layer of foundation stone includes at least one of: angular stone or recycled concrete.
11. 11 . The fluid run-off system of claim 1 , wherein the layer of embedment stone extends at least twelve inches above the at least one stormwater chamber.
12. 12 . The fluid run-off system of claim 1 , wherein the layer of embedment stone includes at least one of: angular stone or recycled concrete.
13. 13 . The fluid run-off system of claim 1 , wherein the layer of initial fill extends six inches to twelve inches above the layer of embedment stone.
14. 14 . The fluid run-off system of claim 1 , wherein the layer of initial fill comprises a granular soil and aggregate mixture.
15. 15 . The fluid run-off system of claim 1 , wherein the layer of final fill comprises at least one of soil material or rock material.
16. 16 . The fluid run-off of claim 1 , wherein the filtration fabric comprises a woven geotextile fabric.
17. 17 . The fluid run-off of claim 1 , wherein the filtration fabric is configured to filter particulates from a flow of stormwater.
18. 18 . The fluid run-off system of claim 1 , wherein the stormwater management system comprises a stormwater chamber.

Description

CROSS REFERENCE TO RELATED APPLICATIONS This application claims the benefit of priority of U.S. Provisional Application No. 63/717,031, filed on Nov. 6, 2024, the contents of which are incorporated herein by reference in their entirety. TECHNICAL FIELD This disclosure relates generally to systems, methods, and devices for reducing aggregate in stormwater management systems, and more particularly, to reducing aggregate installed around stormwater chambers by using a geogrid material below the stormwater chambers of the stormwater management system. BACKGROUND Fluid run-off systems may include systems designed to process rainwater or other fluid run-off, particularly stormwater. Fluid run-off systems may include below-ground systems such as underground storage chambers, concrete drainage structures, thermoplastic storage chambers, or crate-type water management systems. These systems may be used to control water in areas that may experience overloads in the local drainage system during periods of high precipitation, such as around construction sites and developed urban areas. These systems may temporarily store and divert water run-off from impervious surfaces, such as sidewalks, roads, and parking lots. These systems may then control the fluid discharge back to the environment to meter rainfall discharge from a site and reduce the risk of flooding. Stormwater also carries debris and solid contaminants, such as dirt, sand, and organic debris. Fluid run-off systems may be designed to receive and retain stormwater, allowing particulates to settle at the bottom of a stormwater management system before the stormwater is released out of the system. For example, fluid run-off systems may use geotextiles to facilitate the settlement and containment of particulates within the fluid run-off system. Geotextiles may be wrapped around stormwater management chambers, crates, or other fluid run-off systems to improve drainage, prevent erosion, improve water quality, and improve overall efficiency of the fluid run-off system. Below-grade fluid run-off systems may be subject to the stresses and strains imparted by surrounding layers of soil, gravel, and other materials. Further, wheel loads and track loads from heavy equipment during construction may cause stresses and strains on the fluid run-off systems in addition to the stresses and strains from repetitive wheel loads by vehicles operated over the top of the finished site. Current geotextiles used to filter contaminants from the flow of stormwater and separate the open aggregate fill from the native soils do not provide structural support to the fluid run-off system to reinforce the system. Assembly and installation of existing fluid run-off systems may also be labor intensive and difficult. Further, current fluid run-off systems may require large amounts of aggregate to be backfilled around the below-ground fluid run-off systems. Solutions are needed to improve these and other deficiencies in fluid run-off systems. Such solutions should reduce labor and assembly costs by reducing the amount of aggregate that is required to backfill around the below-ground fluid run-off systems. Such solutions should use geogrid systems to provide support and reinforcement to the below-ground fluid run-off systems, which may reduce the amount of aggregate that is required for backfill. For example, such solutions may use a geogrid system, such as the Tensar InterAx® NX750™ Geogrid (NXSWT100) or the Tensar InterAx® NX850™ Geogrid (NXSWT200) or equivalent technology. Such geogrid systems have been used as subgrade stabilization and base reinforcement for trafficked areas, such as roads and parking lots, and shallow structural foundations. However, such geogrid systems have not previously been used to reinforce and support below-grade fluid run-off systems, as disclosed herein. Using the geogrid systems to provide structural support to a fluid run-off system may reduce labor and material costs associated with installing the fluid run-off system. SUMMARY The disclosed embodiments describe systems, methods, and devices for a fluid run-off system. These systems, methods, and devices may include a fluid run-off system which may comprise a layer of foundation stone, at least one stormwater management system located above the layer of foundation stone, a layer of embedment stone located around the at least one stormwater chamber, a layer of initial fill located above the layer of embedment stone, a layer of final fill located above the layer of initial fill, a filtration fabric located around a perimeter of the layer of foundation stone and the layer of embedment stone, and a geogrid system located around a perimeter of the filtration fabric. In some embodiments, a bottom layer of the geogrid system may be located beneath the layer of foundation stone. In some embodiments, a top layer of the geogrid system may be located above the layer of embedment stone. In some embodiments, the geogrid system