Importance

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Abstract

A hydraulic separation and collection system applicable to linear street curb-inlet type drainage-chambers, independent or connected to a storm drainage network. The FIRST FLUSH COLLECTOR™ is a pollutant separation and collection apparatus that can be integrated into an existing storm drain network, or be retrofitted as a component into a new or existing curb-inlet type drainage-chamber. The outfall from the FIRST FLUSH COLLECTOR™ can be redirected to a conventional stormwater pollutant BMP, or be diverted to a sanitary sewer, storm drain, or combined collection system for treatment downstream. The apparatus is envisaged as a simple, easy to install prefabricated-kit utilizing a basic build-in-place separation and collection apparatus. The apparatus can be readily adapted to the needs of a given curb-inlet type drainage-chamber with minor alterations to the chambers, or to the connected existing storm drainage network. The uniquely adaptative capability of the apparatus enables selective structuring based on the retrofitting requirements of a curb-inlet type drainage-chamber. The system is designed to handle a variety of ecosystem-contaminants, ranging from basic street-refuse and floatable objects, to coarse sediment, finer silt, and comparatively minute environmentally-hazardous petrochemicals, heavy-metals, phosphates, and nitrates. The system is design to refuse floatables and debris which will continue to the existing curb-inlet type drainage-chamber. Other pollutants contained in the first flush are readily collected from the apparatus and transferred to a selected outfall facility. The system has no moving or mechanical components and is designed to function on fluid hydraulic principles.

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First Claim