This document is the EcoStream Tree Grate NJCAT Standard Detail. EcoStream biofilter details, diagrams and specifications provided.

The EcoStream Biofilter is a biofiltration stormwater treatment technology that relies on physical, chemical and biological mechanisms to remove total suspended solids, total phosphorus, total nitrogen, heavy metals, oil and grease, trash and bacteria.

The plan view with tree grate diagram shows the throat inlet, tree grate, beehive grate and rip-rap.

The profile view diagrams shows the throat inlet, tree grate, beehive grate, rip-rap, growth media, filter media, inlet to outlet, gravel, underdrain and outlet assembly. The 3rd diagram shows the tree grate centered, vault width and length.

An EcoStream biofilter chart has model numbers, media filtration area, minimum inlet to outlet depth, overflow depth, design treatment rate, bypass standpipe and tree grate size values.

Specifications explain internal components, filter media/vegetation and precast concrete vault. Performance specifications state that the stormwater filter system shall be an online or offline design based on local requirements, it shall have no moving parts and is designed to remove 80% of suspended solids.