SkimBoss UpFlow Filter

"The SkimBoss UpFlow Filter Maximizes Sediment Settling and Conveyance without Compromising Watershed Hydrology.”

SkimBoss® UpFlow Filtration System

The SkimBoss® UpFlow Filter is an online, Hydro-Variant Technology® based media treatment system utilized as a standalone vault or NSBB™ option. The system resists clogging issues associated with cartridge filters with the aid of patented Hydro-Variant Technology® to adjust for flow variations and to the hydraulic grade line. During peak flows, the filter rises to allow water to bypass media filtration to prevent flooding. The included SkimBoss® MAX skimmer prevents floating pollutants from passing through the vault. Primary buoyancy is on the front inflow side allowing the skimmer to match fast rising water levels regardless of outflow side levels. This affords maximum sediment settling, detention times and conveyance without compromising watershed hydrology.

Benefits

Hydro-Variant Technology® automatically adjusts for variations in flow rates and the hydraulic grade line
Front side buoyancy for quickly responds variations in changing water levels
Prevents floating pollutants from passing into the outflow
Supplied with genuine Bold & Gold® Media for superior nutrient reduction
Fluidized media bed resists clogging
Retrofits existing systems
Lower upkeep costs than cassette filters
Designed for online installation without associated headloss
Easy to service via vacuum truck

Operation

To better understand the functionality of how the SkimBoss® UFF works, please view the accompanying video to see it in action.

Low / Medium Flow Storm Event

The SkimBoss® UpFlow Filter remains at rest on a landing along the upflow end of the media vessels while water flow is directed under the filter.
The hydraulic grade line on the upstream side of the SkimBoss® is higher then the hydraulic grade line on the down stream side. This creates hydraulic pressure to force water up through the fluidized media bed.
Sediments and other Total Suspended Solids settle into the lower chamber under the media vessels.

High Flow Storm Event

The buoyancy of the UpFlow Filter is based on the upstream side water level. Once the hydraulic grade line reaches a predetermined elevation, the skimmer will begin to rise creating a gap between the SkimBoss® MAX and media vessels.
As the skimmer rises, the hydraulic grade on the inflow side and outflow equalize. During high flows, louvers along the top of the media vessels back flush the media.

SkimBoss® MAX Skimmer Funcionality

The ability to move vertically with changing water levels allows the SkimBoss® to have the effectiveness of a taller skimmer unit without significant headloss. Primary buoyancy is conveyed via the front side buoyancy channel, closed cell PVC foam core and rotomolded float. Because buoyancy is not dependent on both sides, the skimmer can react quicker to changing water levels.
The SkimBoss® MAX technology is a derivative of the SkimBoss® Upflow Filtration System where the media vessels under the skimmer are removed and replaced with a small impervious shelf. The SkimBoss® MAX includes custom standoffs at the bottom of the skimmer for variable flow rates, which allow the unit to rest upon the shelf with a gap between the skimmer bottom and shelf. This gap allows water flow while simultaneously increasing detention time in the vault causing maximum sediment capture until the skimmer becomes buoyant enough to float upward off of the shelf.
Marine quality load bearing wheels are engineered with ultra low friction components and are attached to both ends of the skimmer to eliminate any resistance of vertical movement in the track system. Centering wheels mounted adjacent to each corner keep the skimmer centralized preventing friction with the track edges.
Each end of the skimmer has a polyurethane coated polyester fabric seal with enough balance between rigidity and flexibility to press against the track system surface as to block the passage of light liquids such as oil. StormBooms™ attached to brackets on either side of the skimmer absorb lingering hydrocarbons on the surface.

Bold & Gold® Media Information

Functional Description

Bold & Gold® is a media used for pollution control to reduce nitrogen, phosphorus, TSS and turbidity levels in stormwater. High levels of nitrogen and phosphorus have the potential to compromise human health and ecosystem integrity. Bold & Gold® is an ideal media type for pretreatment prior to rainwater harvesting or post treatment following detention prior to discharge into any receiving waters.

Bold & Gold® functions as a nutrient removal media by:

Acting as a filter that prevents the passage of solids
Sorbent surface bonding for the capture of dissolved pollutants
Conductive toward biological activity that consumes nutrients

Developed by the University of Central Florida Stormwater Management Academy, only genuine Bold & Gold® Media includes an official certificate of authenticity with each purchase.

Benefits

Biological Activity: Denitrification and Nutrient Consumption
Physical Filtration of solids
Economical: Lower Cost Media + Long Life Span
Made from recycled materials
No Biological Toxic Effects
Sorbent Surface Bonding for Capture of TN, TP, TSS and Metals

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