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Debris Separating Baffle Box (DSBB)
Dual Stage Hydrodynamic Separator

Dual Stage Hydrodynamic Separator

PROVEN STORMWATER TREATMENT TECHNOLOGY

Comparison Results
Hydrodynamic Separator

Overview

Other Separators

The Bio Clean Debris Separating
Baffle Box (DSBB) is an advanced
stormwater treatment system
utilizing non-clogging screening and
hydrodynamic separation to capture

(DSBB)

Stores trash, debris &
organics in screening
system separated
from water below.

Separation Prevents:
• Odor
• Bacterial Growth
• Nutrient Leaching
• Septic Conditions

Trash, debris & organics
are captured and stored
in standing water.

• Dual Stage Treatment (Screening & Separation)
• Enhanced 3 Chambered Separation
• Separates Trash & Debris from Sediment & Water
• Easily Installed In-Line (Low Head Loss)

pollutants.

This promotes
nutrient leaching,
bad odors, bacterial
growth, and complicates maintenance.

• High Excavation Cost
• Extra Shoring
• Challenge with Shallow Ground Water

Shallow Profile Minimizes Maintenance Cost:
• Less Shoring
• Perfect for Areas with High Ground Water

Advantages

The non-clogging screening system
stores trash and debris in a dry state,
suspended above the sedmentation
chambers, minimizing nutrient
leaching, bacterial growth, bad
odors, and allows for easier cleaning.
The DSBB’s triple chamber design
provides higher removals of total
suspended solids over a wide range
of particle sizes, including the finest
particles. Fine sediments carry large
amounts of heavy metals, nutrients
and other harmful pollutants.
The deflector shields ensure no
scouring of captured sediments
during high flow. This feature allows
the system to be installed in-line,
thus eliminating the need for diversion
structures. The oil skimmer and
hydrocarbon booms trap oil.

4 feet

7 to 20 feet

398 Via El Centro
Oceanside, CA 92058
p 760.433.7640 f 760.433.3176
www.BioCleanEnvironmental.com

DSBB021218

The Bio Clean Debris Separating Baffle
Box is a widely accepted stormwater
treatment solution among civil engineers,
municipalities and developers nationwide.

www.BioCleanEnvironmental.com

Performance
• 100% Removal of Trash and Debris
• Meets Full Capture Requirements

Specifications
Surface Loading
Area (sq. ft.)

Storage Capacity

DSBB-2.5-4

10

18

DSBB-3-6

18

36

DSBB-4-6

26

48

DSBB-4-8

32

70

DSBB-5-10

50

104

DSBB-6-12

72

149

DSBB-8-12

96

209

DSBB-8-14

112

244

DSBB-10-14

140

307

DSBB-11-16

176

470

DSBB-11-24

264

832

DSBB-11-34

374

1190

Model #

(cu. ft.)

Filtration Screens Full
Sediment Chambers 50% Full

Debris Separating Baffle Box (DSBB)
Dual Stage Hydrodynamic Separator

PROVEN STORMWATER TREATMENT TECHNOLOGY

PROVEN STORMWATER TREATMENT TECHNOLOGY
Filtration Screen

Access Hatches

PRE-TREATMENT
& DIVERSION

Hydrocarbon Boom
Splitter Screen
High Flow
Bypass Pipe
Inflow Pipe

Outflow Pipe

Turbulence Deflectors

Operation

• Splitter Screen – Directs flows to the filtration screens and
provides additional screen flow capacity. Non-clogging for
continuous maintenance-free treatment.
• Filtration Screen – Collects and stores trash, debris,
organics, and oxygen demanding substances above
standing water in a dry state.

During Storm Events

Application

Inflow Pipe

Oil Skimmer

Sediment Chambers

• Turbulence Deflectors – Prevent re-suspension of
captured pollutants.

Underground Detention
/Retention Chambers

Built-In Diversion Eliminates the Need for Diversion Structures

Between Storm Events

Installation
Low Pick Weights
Delivered in a top &
bottom to minimize
weight

1 Hour Set Time
Internal
components are
installed prior to
delivery

Trash, debris and organics are captured in
the filtration screen as sediments settle to
the bottom chambers. Hydrocarbons are
removed and absorbed by the boom.

Trash, debris and organics are stored in a
suspended screen system allowing pollutants
to dry out between storm events. This
eliminates septic conditions and prevents
leaching of plant based organics into water.

• Commercial
• Residential
• Retrofit
• Pre-treatment for:
- Reuse Systems
- Infiltration Basins
- Bioretention & Swales
- Detention Basins
- Wet Ponds
- Media Filters

RETROFIT & NEW
CONSTRUCTION

• Sediment Chambers – Maximizes TSS removal and
eliminates scouring during extreme flow rates.
• Skimmer and Boom– Collects hydrocarbons and
controls flow velocity which improves removal
efficiency.

Low Flow (First Flush)
Diversion

Minimal Excavation
Bottom of structure
less than 4 ft. from
invert of pipe

Maintenance
• No confined space entry is required
for servicing
• Cleaning can be accessed through
manhole or hatch above ground
with vac truck
• Separating pollutants minimizes
costs - screen system allows gross
solids to be removed without
vacuuming out water or sediment
chambers
• Screen systems are hinged for easy
access to sediments collected in
lower chambers
DESIGNED FOR USE WITH STANDARD VACUUM TRUCKS


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