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Grate Inlet on Catch Basin - Type 2 (DS-2)

This plan may be used when flows dictate a larger pipe than a normal grate inlet structure can handle.  It also works well if there are a number of pipes converging at a location, or when pipes are entering at odd angles.  The Unit H of a Grate Inlet Type 2 is grouted directly into a Flat Slab on top for a Catch Basin Type 2.  The photo shows this application on a 48" catch basin.

Due to this item being a hybrid of different precast units, frame and grate, a special provision is required.  Description should include the diameter of the catch basin, measurement and payment shall be per each.

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