Storm water filter and components thereof and methods of installation and use

摘要

A storm water drain filter including a collapsible frame supporting a filter bag. The filter may be installed in a stormwater drain pit to capture contaminants and particulate matter before it enters a stormwater drain. The collapsible frame is light weight, compact, simple and inexpensive. The filter bag is secured to the frame so as to maintain its shape and avoid deformation. There is also disclosed a method of installing a stormwater drain filter in a stormwater drain pit to provide an effective seal between the stormwater drain filter and the pit.

主权项

1. A storm water filter bag having a base and a plurality of side walls joined at corners including rigid horizontal battens to support the bag and attachment elements at the corners positioned for engagement to a supporting frame such that as the bag fills bulging of the side walls of the bag is resisted by the attachment elements retaining the side walls in tension between the frame.