Frame & Filter Assembly | Round Frame

Round Frame & Filter Assembly (R-100A-DOT/HF)

Storm Drain Inlet Protection.The large frame is designed to protect the inlets in new construction sump conditions. The round frame, with a diameter of 60”, fits perfectly over the tapered edge of the precast inlet. Rock bags, built into the filter, provide the perimeter seal around the frame. The patented designs of the Silt-Saver Frame and Filter Assemblies are key elements in the BMP treatment train for job sites across the U.S., and in Canada and Puerto Rico. Available in Two Filter Options: DOT 2 Stage & High Flow.
Blythe Construction I-485 Charlotte Project
Round Frame
Round Frame
R100 R300 install
Silt Saver Inlet Protection Domes - The Solution Thumbnail
Example of a traditional silt fence box failing as inlet protection
DOT filters are designed as a 2-stage filter with 12'' of maximum filtration material on lower half and maximum overflow capabilities in the upper half. This design addresses flooding issues while offering maximum efficiency in or near travel lanes. Fits 60'' outside diameter.

Product Features:

  • Each filter has been customized to offer the best fit for either the round or square frame
  • Installation is simple: place the filter over the frame and fill the pockets with sand, soil or rock
  • Creates a perimeter seal around the base of the frame. Provides weight necessary to stabilize the assembly unit.
  • Light weight, fail-safe design allows for fast and simple installation
  • No hazardous stakes - safe worksite
  • Reusable HMWPE frame - economical
  • Provides continuous, consistent filtration while keeping silt above ground
  • Avoid: costly fines, stop work orders, and environmental clean-ups
* Please note: DWG files are zipped files that contain AutoCad drawings. These cannot be opened here. They must be downloaded, saved and unzipped and then loaded into an AutoCad or compatible program.
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