 Exclusive, Multi-Treatment Drain Technology
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Designed to meet State, Federal and EPA NPDES Phase II regulations
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Advanced and independently-proven technologies designed and patented by Terre Hill Concrete Products, an established, respected leader and innovator in the precast concrete industry.
Compact Design
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Site-specific, modular design: each component is specifically sized and can be used separately or in cooperation with the larger system.
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Stacked incline plate system provides large sedimentation area within a compact structure.
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All components are HS-25 rated, allowing for maximum use of the land.
Permanent Pollutant Removal
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Litter (virtually 100%)
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Oil (virtually 100%)
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Grease (virtually 100%)
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Sediment, 20 Micron removal with sedimentation and 5 Micron removal with filtration.
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Internal by-pass and deep sump area prevents re-suspension, scour or loss of captured pollutants.
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Efficient operation due to high treatment flow capacity, minimal head loss and protected storage area.
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Third- party verification by Penn State University confirmed 83% removal of Total Suspended Solids
(TSS).
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98% removal efficiency for 200 micron particles verified by EPA
ETV.
Low-Cost Design and Installation
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Stacked, inclined-plate system delivers the most square footage of sedimentation area in the smallest footprint, resulting in the lowest cost-per-square-foot for sedimentation area in the market.
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Precast concrete design and inline installation dramatically reduce installation time, thus reducing material handling and compaction requirements.
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Eliminates the possibility of incorrect or incomplete stone compaction.
Low-Cost Maintenance and Disposal
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Terre Kleen™ has fewest gallons-per-square-foot of sedimentation area.
Clean-out from surface, no confined space entry, with standard vacuum truck expected once every 2 years.
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Terre Microbes™ permanently remove hydrocarbons, converting them to water and Carbon Dioxide.
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Terre Arch™ and Terre Box™ require no maintenance after installation.
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Terre Filter™ requires little maintenance; disposal access is from surface, and the full bag, weighing approximately 5,000 pounds, is removed in one piece.
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Terre Maintenance™: full range of professional services offer permit compliance assistance and documentation of:
o Repairs, renovations, upgrades.
o Captured pollutants.
o Disposal of pollutants.
o Sediment and Nutrient Reduction Credits.
Continuous Performance
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Effective from “first flush” through entire storm event; no loss of captured pollutants, including litter, oil, grease and sediment from re-suspension or by-pass.
Underground Detention or Retention-Recharge
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