| 摘要 |
Sediment control devices and systems are provided. The devices are in the form of a multi-layered, fillable bag which generally includes an inner bag structured to contain a granular material, for example, gravel or stone, a separate reinforcement layer located outwardly of the inner bag, and a and an outer layer enclosing the reinforcement layer and having a sealable opening providing access to the inner bag. The devices may be provided pre-filled with the granular material. The devices provide an effective, durable system for filtering runoff water, controlling erosion and/or controlling sedimentation at a construction sight.
|
