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"The NSBB is a Widely Accepted Stormwater Treatment Solution among ​Civil Engineers, Developers and Municipalities Nationwide.”


​​Nutrient Separating Baffle Box​® (NSBB​™)
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The NSBB™ is an advanced multi stage stormwater runoff treatment system. The patented screen system is designed to capture and store debris in a dry state to minimize nutrient leaching, allowing for easier maintenance. The triple chamber design enables a high level removal of TSS over a range of particle sizes and is effective in capturing both nutrients and hydrocarbons. A patented deflector system ensures no sediment scouring occurs during high flows, allowing for online installation without needing separate diversion structures. With the addition of a SkimBoss® MAX or Floating Skimmer, the NSBB™ can further amplify the effects of the already included Hydro-Variant Technology®, bolstering pollutant capture potential, detention time and balancing conveyance with flow rate. The NSBB™ is a widely accepted treatment solution among civil engineers, developers ​and municipalities.
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  • Filtering is provided by the screen system basket, suspended above static water level, which has a capacity of several cubic yards depending on the model. The function of the screen basket is to capture gross solids like trash, foliage and debris.

  • Sediment separation is facilitated by three settling chambers with a capacity of several cubic yards each depending on the model. These chambers collect smaller sediments and particulate metals.
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  • StormBooms™ attached to the influent side of the skimmer remove floating and emulsified hydrocarbons from the water.
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Benefits
  • Fits within existing easements
  • Retrofits existing watersheds
  • Patented screens maximize storage and prevent debris loss
  • Rainwater harvesting and wet or dry detention
  • Dry state storage separates debris from water and sediment
  • Water will not turn septic
  • Easy vacuum truck servicing
  • Full capture for trash TMDL’s

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Certifications
  • NJCAT Verified
  • NJDEP Certified
  • Washington DOE CULD Approved
  • CA Water Boards Certified Full Capture
  • Metro St. Louis Approved for Redevelopment
  • Maryland Approved Retrofit BMP
  • MASTEP Tech Review Verified
  • Indianapolis DPW Approved
  • Virginia Clearinghouse BMP VSMP Approved 
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 LEED Credit Applicable:
6.2    Stormwater Design, Quality Control

Operation
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To better visually understand how the Nutrient Separating Baffle Box® ​works, please view the accompanying video to see the NSBB™ in action.
Low / Medium Flow Storm Event
  • Runoff filters through the screen and skimmer leaving behind pollutants.

  • Turbulence deflectors prevent captured particles from ​becoming resuspended.
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  • Hydrocarbons collect in front of the skimmer and are absorbed by a StormBoom™ containing one of many biosorption media.
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High / Extreme Flow Storm Event
  • The SkimBoss® floating skimmer or SkimBoss® MAX adjust to the rising hydraulic grade to stop floatables from passing into the outflow and increase detention times.​
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  • Turbulence deflectors prevent captured particles from becoming resuspended.
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  • The skimmer rises to an appropriate level to allow water to bypass media ​filtration and to prevent flooding
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After Storm Event
  • Nutrient pollutant load is not lost to static water and will not be flushed out ​during the next storm event.
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  • Separating organics from static water prevents bacterial growth.
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Options
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HydroSlide®

The HydroSlide® is a sediment removal service system for use in the NSBB™, NRFS® & Nutrimax™. The system boosts efficiency and effectiveness while reducing servicing time, lowers maintenance costs without the requirement for vault entry.
Learn More
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SunGate™

The SunGate™ is a flow control gate used to isolate a vault treatment system for servicing. The gate is easy to deploy under full hydraulic load inside its track ​system and does not require confined space entry.
Learn More
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​SkimBoss® UpFlow Filtration System

The SkimBoss® UpFlow Filtration System features is a treatment vault system that features both Hydro-Variant Technology® and Bold & Gold® Media to reduce TSS, dissolved nutrients and turbidity. The system can be used as a standalone vault or incorporated into an NSBB™.
Learn More
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Sunview™​ Observation Lid

A vault lid system for the NSBB™ incorporating Lexan windows is an excellent community outreach tool for educational 319 grant funding and runoff pollution awareness. The lid also allows ​for easier servicing access.
Learn More
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​SkimBoss® MAX

SkimBoss® MAX technology prevents buoyant pollutants from passing through a vault by harnessing Hydro-Variant Technology®. Variable hydrology, flow rates and the shelf system all allow increased detention times which result in increased sediment settling and capture performance.
Learn More
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​SkimBoss® Floating Skimmer

The SkimBoss® Floating Skimmer prevents buoyant pollutants from passing through a vault. Hydro-Variant Technology® and primary inflow side buoyancy allows for skimmer adjustment to match variable water levels.
Learn More

Service & Maintenance

Service Information

Maintenance activities can be performed from outside the NSBB™ through access points such as manholes or hatches installed in the vault surface above the sediment chambers. During maintenance, the screen system may have either Sunglide™ sliding or  standard hinged doors which open to gain access to the debris captured by the screen system. This system also has bottom doors that open to give access to the sediment collected in the settling chambers. ​A vacuum truck is required ​​for debris removal.
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​Service Procedure Summary
  • Open the access openings (Manhole, Hatch or Grate) on the top of the Baffle Box.

  • Vacuum the debris captured by the screen system to expose the sediment chambers.

  • Open the bottom doors to the basket system to expose the sediment collection chambers. These doors have eyebolts to attach the NSBB™ tool in order to open the bottom doors which hinge or slide off to the side.

  • (If equipped with HydroSlide®) Attach the vacuum truck water supply hose to service system quick connector and engage vacuum line for each chamber until empty.
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  • After cleaning the sediment chambers close the bottom screen doors of the screen system. Lower or slide the doors and ensure they lock.
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  • When all maintenance work is complete, close the access ​covers ​or hatches.
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Post Service Information

After completing maintenance, the service operator should prepare a service record including maintenance activities performed, description of debris collected and ​condition.
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  • The owner will retain the service / inspection record for a minimum of five years from the date of maintenance, or in accordance to specified ​EPA / DEP requirements.

  • Transport all debris, trash, organics and sediments to an approved​​ facility for disposal in accordance with local and state requirements.

  • All records should be made available to governing municipalities for inspection upon request at any time.
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Related Products
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StormBoom Media™

A StormBoom™ is a hydrocarbon absorption media sock used within BMP's to remove both harmful chemicals and hydrocarbons from stormwater. Designed and developed into four distinct types, StormBoom's™ cover a wide spectrum of pollutants for an array of applications.
Learn More
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Bold & Gold®

Bold & Gold® is a pollution control media developed to reduce phosphorus and nitrogen levels in runoff. Suntree Technologies Inc® is the only company in the United States licensed to include Bold & Gold® inside of a stormwater treatment vault structure.​​
Learn More

Technical Information
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NSBB Documentation

Brochure
​O&M Manual
​Install Manual
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Approvals & Certifications

NJCAT Verification
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NJDEP Certification
MASTEP Approval
​Washington DOE TAPE-CULD Approval
​Metro St Louis, Missouri Approval
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Maryland DOE Approval

​Indianapolis DPW Approval
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Testing Reports

NSBB HVT Verification Report
NSBB NJDEP 100um Hydrodynamic Protocol

FDEP Approved NSBB Efficiency Values
​FDEP NSBB Report
NSBB Foliage Decomposition Study
​NSBB AET 100um Hydrodynamic Protocol
​NSBB Dillard Sediment Testing
​NSBB Foliage-Nutrient Removals
​NSBB Removal Efficiencies

​NSBB Sediment Field Testing
NSBB UES Sediment Testing
NSBB Princeton Hydro Field Report
​NSBB Proprietary BMP Approval-Nashville Metro
FDOT-FDEP Bold & Gold Efficiency Report

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798 Clearlake Road, Suite 2
Cocoa, Florida 32922
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​​321.637.7552
 
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​​​info@suntreetech.com 
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