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ENVIROSAFE SEALING SYSTEMS CO., INC.
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ESSCO SEWER SEALS
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ENVIROSAFE SEWER SEALS
 ENVIRONMENTAL ADVANTAGES
  • Attain Compliance With Clean Air Act for VOC Emissions, Benzene NESHAPS and NSPS by Utilizing a Water Seal.
  • Reduces Solids Buildup in Sewer System During Maintenance by Eliminating Use of Sand and Dirt to Cover and Seal Catch Basins During Hot Work.
  • Enhances the Environment by Reducing Solids and Hazardous Waste Build-up in Sewer Drainage Systems.
  • Eliminates Voc and Toxic Emissions to the Atmosphere.
  • Eliminates Excess Water Used to Seal Catch Basins.
  • Eliminates Use of Concrete Catch Basins Which Can Crack and Contribute to Ground Contamination.
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ENVIROSAFE SEWER SEALS
SAFETY ADVANTAGES
  • Prevents Sewer Explosions by Utilizing a Water Seal  to Prevent Ignition Source From Contacting Combustible Sewer Gases.
  • Prevents Emission of Toxic Vapors to Atmosphere.
  • Provides Continuous Water Flow While Maintaining  a Water Seal.
  • Prevents Water Build-up During Hot Work.
  • No Above Ground Obstructions to Restrict  Movement of Equipment During Hot Work.


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ENVIROSAFE SEWER SEAL
ECONOMICAL ADVANTAGES
  • Reduces Costly Modifications by Retrofitting   Existing Catch Basins and Pump Drains.
  • Reduces Preparation Time Prior to Hot Work.
  • Eliminates Clean-up Time After Hot Work.
  • Reduces Hazardous Waste Disposal Cost.
  • Reduces Water Treating Cost.
  • Permanent Installation, No Replacement Cost.
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SAFETY
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SAFETY PROBLEM #1
  • Refineries & Petrochemical plants go to great extremes prior to routine maintenance or unit shutdowns to isolate sewer openings from the atmosphere.
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SAFETY PROBLEM #2
  • Why do Refineries and Petrochemical plants go to extremes to isolate sewer openings during routine maintenance and turnarounds?  To prevent an ignition source from igniting combustible sewer gases and causing  sewer explosions.
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SAFETY PROBLEM #3
  • The most common method used to cover sewer openings is a vinyl container filled with water.  Some still use fire blankets covered with sand.


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SAFETY PROBLEM #4
  • Neither method provides a positive seal because the surface normally concrete, is never perfectly smooth or without cracks and chips.


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SAFETY PROBLEM #5
  • One major problem associated with any method that seals the drain is that flooding can occur and create a major safety problem.


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SAFETY PROBLEM #6
  • WHAT MAJOR SAFETY PROBLEM IS ALWAYS PRESENT WHEN FLOOING OCCURS DURING A UNIT SHUTDOWN?
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A UNIT HAS BEEN SHUT DOWN FOR MAINTENANCE.  ALL DRAINS ARE SEALED.  WATER SPRAY IS USED TO PREVENT SPARKS.  FLOODING OCCURS.

A CREW DISCONNECTS A LIQUID HYDROCARBON LINE THAT SOMEONE FORGOT TO DRAIN.  THE LIQUID HYDROCARBON SPILLS AND SPREADS ON THE WATER AND IS SOMEHOW IGNITED.

HOW DO YOU FIGHT THIS FIRE?  DO YOU USE MORE WATER?  WHERE IS IT GOING TO GO?  THE DRAINS ARE SEALED AND THE AREA IS ALLREADY FLOODED.
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SAFETY PROBLEM #7
  • Movement of equipment such as cranes & forklifts during a unit shutdown without damaging conventional type  seals over a catch basin is virtually impossible.
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SAFETY SOLUTIONS
  • Envirosafe Sewer Seals for surface drain catch basins and pump drain hubs provide a solution to the problems associated with using sand or vinyl water containers to seal catch basins and pump drain hubs prior to hot work
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SOLUTION #1
  • The water seal in the patented Envirosafe Sewer Seals provide a positive seal that prevents any combustible sewer gases from being ignited causing a sewer explosion.
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SOLUTION #2
  • The difficulty of moving equipment during a unit shutdown is eliminated because the Envirosafe Sewer Seal fits inside the existing catch basin – not above it!


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SOLUTION #3
  • The flooding problem is eliminated because the Envirosafe Sewer Seals provide continuous water flow.


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ENVIROSAFE SEALING SYSTEMS CO., INC.
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The Envirosafe Sewer Seal Pump Drain Insert Installed in a Typical Carbon Steel Reducer Pump Drain.  The Sewer Seal Pump Drain Insert Provides for Continuous Flow While Maintaining a Water Seal to Prevent Hydrocarbons From Escaping to the Atmosphere, Thereby Complying With EPA Air Quality Regulations Restricting Emissions of VOC's Such As Benzene.  The Sewer Seal Pump Drain Insert Can Prevent Sewer Explosions by Eliminating Contact of Combustible Sewer Gases With an Ignition Source.
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TYPICAL RETROFIT APPLICATION FOR PUMP DRAIN

RECESSED INSIDE CARBON STEEL REDUCER
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TYPICAL RETROFIT APPLICATION FOR PUMP DRAIN

RECESSED INSIDE CARBON STEEL REDUCER
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TYPICAL RETROFIT APPLICATION FOR PUMP DRAIN

CARBON STEEL REDUCER WITH ELL
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TYPICAL RETROFIT APPLICATION FOR PUMP DRAIN

INSERT INSTALLED IN OPEN END STRAIGHT PIPE
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The Envirosafe Sewer Seal Pump Drain Insert Installed in a Typical Cast Iron Reducer Pump Drain.  The Sewer Seal Pump Drain Insert Provides for Continuous Flow While Maintaining a Water Seal to Prevent Hydrocarbons From Escaping to the Atmosphere, Thereby Complying With EPA Air Quality Regulations Restricting Emissions of VOC's Such As Benzene.  The Sewer Seal Pump Drain Insert Can Prevent Sewer Explosions by Eliminating Contact of Combustible Sewer Gases With an Ignition Source.
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The Envirosafe Sewer Seal Surface Drain Insert Installed in a Typical Surface Drain Catch Basin.  The Envirosafe Sewer Seal Provides Continuous Flow While Maintaining a Water Seal That Prevents Hydrocarbons From Escaping to the Atmosphere, Thereby Complying With EPA Air Quality Regulations Restricting Emissions of VOC's Such As Benzene.  The Sewer Seal Acts As a Solids Separator and Collects 70% to 80% of Any Solids Flowing Into the Catch Basin.  The Sewer Seal Can Prevent Sewer Explosions by Eliminating Contact of Sewer Gases With Any Ignition Source.
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ENVIROSAFE SEALING SYSTEMS CO., INC.
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The Envirosafe Sewer Seal Pump Drain Hub Catch Basin Is Used in New Construction or When Replacing an Existing Pump Drain Hub.  The Pump Drain Catch Basin’s Design Is Based on the Line Size to Provide Full Flow. The Pump Drain Catch Basin Provides for Continuous Flow While Maintaining a Water Seal to Prevent Hydrocarbons From Escaping to the Atmosphere, Thereby Complying With EPA Air Quality Regulations Restricting Emissions of VOC's Such As Benzene.  The Sewer Seal Pump Drain Catch Basin Can Prevent Sewer Explosions by Eliminating Contact of Combustible Sewer Gases With an Ignition Source.
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ENVIROSAFE CATCH BASIN
PUMP DRAIN APPLICATIONS
MODEL ECB-PD-10R4-12
ACCOMMODATES UP TO 1” SIZE DRAIN LINE
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ENVIROSAFE CATCH BASIN
PUMP DRAIN APPLICATIONS
MODEL ECB-PD-12R4-12
ACCOMMODATES UP TO 1-1/2” SIZE DRAIN LINE
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ENVIROSAFE CATCH BASIN
PUMP DRAIN APPLICATIONS
MODEL ECB-PD-13R4-12
ACCOMMODATES UP TO 2” SIZE DRAIN LINE
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ENVIROSAFE CATCH BASIN
PUMP DRAIN APPLICATIONS
MODEL ECB-PD-15R4-12
ACCOMMODATES UP TO 3” SIZE DRAIN LINE
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ENVIROSAFE CATCH BASIN
PUMP DRAIN APPLICATIONS
MODEL ECB-PD-17R4-12
ACCOMMODATES UP TO 4” SIZE DRAIN LINE
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The Envirosafe Sewer Seal Light Duty Surface Drain Catch Basin Is Used in New Construction Instead of a Concrete Catch Basin.  The Surface Drain Catch Basin’s Design Is Based on the Line Size to Provide Full Flow. The Surface Drain Catch Basin Provides for Continuous Flow While Maintaining a Water Seal to Prevent Hydrocarbons From Escaping to the Atmosphere, Thereby Complying With EPA Air Quality Regulations Restricting Emissions of VOC's Such As Benzene.  The Surface Drain Catch Basin Can Prevent Sewer Explosions by Eliminating Contact of Combustible Sewer Gases With an Ignition Source.  The Grating Area Is Designed for Light Duty Use Only.
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The Envirosafe Sewer Seal Heavy Duty Surface Drain Catch Basin Is Used in New Construction Instead of a Concrete Catch Basin.  The Surface Drain Catch Basin’s Design Is Based on the Line Size to Provide Full Flow. The Surface Drain Catch Basin Provides for Continuous Flow While Maintaining a Water Seal to Prevent Hydrocarbons From Escaping to the Atmosphere, Thereby Complying With EPA Air Quality Regulations Restricting Emissions of VOC's Such As Benzene.  The Surface Drain Catch Basin Can Prevent Sewer Explosions by Eliminating Contact of Combustible Sewer Gases With an Ignition Source.  The Grating Area Is Designed for Heavy Duty H-20 Loading.
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ENVIROSAFE CATCH BASINS
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CONCRETE CATCH BASINS
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ENVIROSAFE SEALING SYSTEMS CO., INC.