Storm water chamber with floor liner

1. A drainage system, comprising:

a storm water chamber having a generally elongated arch shape with sidewalls defining an enclosure; and having a chamber connector member on one end for connecting a further storm water chamber; and

a floor liner having

two ends and two sides defining an area therebetween;

a plurality of retaining members on each side for connecting the bottom portions of the two sidewalls of the storm water chamber; and

said chamber and floor liner providing a liquid conveying assembly;

said floor liner having a plurality of raised portions in the enclosure within the area between the two sides of the floor liner, said floor liner two sides defining a floor liner width, said plurality of raised portions having a width which is less than the floor liner width, said raised portions being non-perpendicular to a central longitudinal axis of the floor liner.

2. The drainage system of claim 1 , wherein the storm water chamber is stackable with further storm water chambers for efficient shipping.

3. The drainage system of claim 2 , wherein the floor liner has a plurality of raised portions within an area bounded by the two sides of the floor liner.

4. The drainage system of claim 3 , wherein the floor liner's plurality of retaining members comprises clips which cooperate with a lip on the storm water chamber.

5. The drainage system of claim 3 , wherein the floor liner is provided with a floor liner connector member on one end for connecting a further floor liner.

6. The drainage system of claim 5 , wherein the floor liner connects with the further floor liner by at least partially overlapping it.

7. The drainage system of claim 3 , wherein the floor liner comprises a plastic material.

8. The drainage system of claim 1 , wherein the storm water chamber has a plurality of circumferential reinforcing rib members.

9. The drainage system of claim 1 , wherein the storm water chamber connects with the further storm water chamber by at least partially overlapping it.

10. A drainage system, comprising:

a plurality of storm water chambers having a generally elongated arch shape with sidewalls defining an enclosure; and connected to each other by overlapping ribs; and

a plurality of floor liners having

two ends and two sides defining an area therebetween;

a plurality of retaining members on each side for connecting the bottom portions of the two sidewalls of the storm water chambers;

said plurality of floor liners having a plurality of raised portions in the enclosure within the area between the two sides of the floor liners, said floor liner two sides defining a floor liner width, said plurality of raised portions having a width which is less than the floor liner width, said raised portions being non-perpendicular to a central longitudinal axis of the floor liner.

11. The drainage system of claim 10 , wherein the storm water chambers are nestingly stackable for efficient shipping.

12. The drainage system of claim 10 , wherein the floor liner have a plurality of raised portions within an area bounded by the two sides of the floor liner.

13. The drainage system of claim 12 , wherein the floor liners' plurality of retaining members comprises clips which cooperate with lips on the storm water chambers.

14. The drainage system of claim 13 , wherein the floor liners are provided with a floor liner connector member on one end for connecting to other floor liners.

15. The drainage system of claim 14 , wherein the floor liners connect with other floor liners by at least partially overlapping them.

16. The drainage system of claim 15 , wherein the floor liners comprises a plastic material.

17. The drainage system of claim 16 , wherein the storm water chambers have a plurality of circumferential reinforcing rib members.

18. A method of using a drainage system, the system comprising:

a storm water chamber having

a first end and a second end;

two side walls running the length between the first end and second end, each side wall having a bottom portion;

a generally elongated arch shape between the side walls with an arch top, thereby defining an enclosure;

a chamber connector member on the second end for connecting a further storm water chamber;

a plurality of liquid intake openings; and

a plurality of circumferential reinforcing members disposed along the generally elongated arch shape for reinforcing structural strength thereof; and

a floor liner having

two ends and two sides defining an area therebetween;

a plurality of raised portions in the enclosure within an area bounded by the two sides, said floor liner two sides defining a floor liner width, said plurality of raised portions having a width which is less than the floor liner width, said raised portions being non-perpendicular to a central longitudinal axis of the floor liner;

a plurality of retaining members on each side for connecting the bottom portions of the two side walls of the storm water chamber; and

a floor liner connector member on one end for connecting a further floor liner;

wherein a substantially enclosed assembly is created when the liquid dispersing chamber is connected with the floor liner;

whereby liquid directed into the assembly is stored or conveyed in a predetermined direction;

the steps comprising:

connecting the storm water chamber with the floor liner;

positioning the storm water chamber and the floor liner in proximity with the ground; and

directing liquid into the storm water chamber and the floor liner assembly for storage and/or dispersal.

19. The method of claim 18 , further comprising the step of connecting a further storm water chamber and floor liner assembly to create a series.

20. The method of claim 19 , further comprising the step of connecting the series to a large drainage system.

21. The method of claim 20 , wherein the floor liner's plurality of retaining members comprises clips which cooperate with a lip on the storm water chamber.

22. The method of claim 21 , wherein the floor liner connects with the further floor liner by at least partially overlapping it.

23. The method of claim 22 , wherein the floor liner comprises a plastic material.