Downstream Defender Downloads

Guide to Downloads and Resource Documents

The Downstream Defender Sizing Calculator offers a variety of document downloads to assist you with your project. Additional documents are available on this Downloads web page.

Click through the slides to see the available downloads.

Downloads from the Online Sizing Calculator

The following documents are outputs from the Downstream Defender Sizing Calculator program.

Downloads from the Downstream Defender Sizing Calculator

Obtain General or Detailed Arrangement Drawings. Download a standard General Arrangement drawing, or enter site-specific elevations for the storm drain and surface elevation for Detailed Arrangement drawings.


Download a Written Specification. Click the Download Specification button to download a written spec in Microsoft Word format when one is needed for your project.


Download a Project Summary. Download a PDF Project Summary that lists details of all Downstream Defender devices on your project.

Resource Documents Available from this Web Page

The following additional resource documents are available for download from the tabs at the bottom of this page.

Operation & Maintenance Manual

Download the Downstream Defender O&M Manual. The O&M Manual includes detailed step-by-step instructions for inspecting and removing the captured pollutants from the Downstream Defender.

Performance Verification Documents

Technical Abstracts for Performance Test Results. Download Technical Abstracts summarizing the Downstream Defender’s performance with regards to headloss, sediment removal and oil & grease removal.

Installation Documents

Handling & Installation Instructions. Download instructions for the proper offloading, on-site storage and installation instructions for the Downstream Defender.