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*Catch basin, manhole, or other inlet structure sump: Consider using shield, baffle, trap or filter insert device to increase removal of sediment and debris. Used with overland or underground concentrated inflows.
*Catch basin, manhole, or other inlet structure sump: Consider using shield, baffle, trap or filter insert device to increase removal of sediment and debris. Used with overland or underground concentrated inflows.
*[[Forebays |Forebay]]: Constructed with 2:1 length to width ratio and sized to accommodate ponding volume of 25% of the surface ponding storage requirement. Used with concentrated overland flow inlets.
*[[Forebays |Forebay]]: Constructed with 2:1 length to width ratio and sized to accommodate ponding volume of 25% of the surface ponding storage requirement. Used with concentrated overland flow inlets.
*[[Oil and grit separators |Oil and grit (hydrodynamic) separator]]. Used with concentrated underground flow inlets (inlet pipes).
*Oil and grit (hydrodynamic) separator. Used with concentrated underground flow inlets (inlet pipes).
See [[Pretreatment]] for further guidance.
See [[Pretreatment]] for further guidance.