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SAFL Baffle Comparison SAFL Baffle vs Hydro Dynamic Separators Attribute SAFL Baffle Hydro Dynamic Flow Performance (CFS): 80 Cubic Feet per Second 8 Cubic Feet per Second TSS Removal Efficiency: 84% 85% Maintenance: No Maintenance Requires Routine Maintenance Longevity: Guaranteed 20 Years No Guarantee Materials: All Stainless Steel (No Plastic) Plastic Ease of Cleanout: Easy Complicated By-Pass Required? NO YES Cost: $5,000 $24,000 The Minnesota DOT switched from Hydro-Dynamic Separators to the SAFL Baffle and in 3 Years, saved the taxpayers over $8 Million Dollars! The SAFL Baffle: Provides lowest cost per pound sediment removal High Performance: 80 CFS Long Life - Guaranteed 20 years Typical comparison found on over 1000 projects SAFL Baffle Hydro Dynamic Separators Cost: $5,200 TSS Removal Efficiency: 84% By-Pass Flow Rate: 80 CFS Cost: $24,00 TSS Removal Efficiency: 85% By-Pass Flow Rate: 8 CFS Operates by stopping the vortex The SAFL Baffle stops the natural vortex that is created in standard sump structures, dissipating hydro energy and causing sediment to drop to the bottom of the sump. As sediment collects in the bottom, the SAFL Baffle's design prevents vortex scouring and resuspension, retaining all previously captured sediment, even during high-flow storm events up to 80 cubic feet per second. Operates by creating a vortex Hydro Dynamic Separators operate with average flows of 8 cubic feet per second. At greater flows, stormwater bypasses the device and does not capture any sediment. Internal plastic parts are prone to vibrate and break. SAFL Baffles can, and have been, retrofitted in existing hydrodynamic structure for a cost-effective replacement. Baffle Home SAFL Baffle is Patented SAFL Baffle is NJCAT Verified and NJDEP Certified Download the NJCAT PDF 20 Year Guarantee (PDF) 100% Steel Construction (PDF) SAFL Baffle Brochure (PDF) Made in the USA (PDF) Baffle Sizes Compare Hydrodynamic Installation Map Typical Detail PDF: Sizing Detail (PDF) Stacking Detail (PDF) Bracing Detail (PDF) DWG: Sizing Detail (DWG) Stacking Detail (DWG) Bracing Detail (DWG) Design Guides Choosing the right size Design Basics SAFL Baffle Design Guide (PDF) Sediment, Trash & Oil Tips: Tip 1 - Sediment Retention Tip 2 - Sump Structure Depth Tip 3 - Baffle Position Tip 4 - Trash Best Practice Tip 5 - Multiple Inlet Pipes Case Study Forebay vs SAFL Baffle (PDF) Over 80% TSS Removal Contact Us with plan details and we will provide a TSS report Sample TSS Report (PDF) SHSAM Software Calculates TSS Efficiencies Baffle Installation 45 Minute Install Choosing the right size Install Manual (PDF) Maintenance Manual (PDF) Maintenance Manual NJDEP (PDF) Rigorous Testing Trash & Anti-Clogging Multiple Inlet Pipes Angled Pipes SAFL Baffle Research & Testing Documents SAFL Research Summary (PDF) SAFL MNDOT Report Vol1 (PDF) SAFL MNDOT Report Vol2 (PDF) ASTM Test Standard C1746 SAFL Baffle retrofit for suspended sediment removal in storm sewer sumps, Water Research 2011 Hydraulic Analysis of Suspended Sediment Removal from Storm Water in a Standard Sump, Journal of Hydraulic Engineering 2012 Mosquitoes and Stormwater © Copyright 2021 Upstream Technologies HOME     PRODUCTS     VIDEOS     PRICING     ABOUT US     CONTACT     SAFL Baffle: U.S. Patents: #8715507B2, #8663466B2, #9506237B2, CANADA Patent: #2742207 SKUNK Garbage Trap: U.S. Patent #10,408,242 Automated MPD Infiltrometer: U.S. Patent #10,739,242