Patent ID: 8216479

Claim:
A method of providing a stormwater filtration system within an existing dry well structure including a top having an access opening, a bottom and a sidewall extending between the top and the bottom to define an internal volume of the dry well structure, the sidewall being perforated along a portion of its height, said internal volume having a horizontal cross-sectional area that is greater than the cross-sectional area of said access opening, the method comprising: assembling a deck assembly within the dry well structure, the deck assembly comprising a plurality of deck members sized to be delivered through the access opening of the dry well structure; and supporting the deck assembly within the dry well structure thereby partitioning the internal volume into an upper region and a lower region, where the deck assembly is supported within the dry well structure at a location such that in the upper region the sidewall is not perforated and in the lower region at least part of the sidewall is perforated, and mounting a filter cartridge atop the deck assembly to a filter cartridge connector defining an opening through the deck assembly.