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inlet stone capacity
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dicksewerrat
Civil/Environmental
Are you talking about the hole in the casting that is up in the curb? What country are you in?
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No, It is not the practice to use frames that have these a part of them. In the New England area we place a granite stone with a notched out 24" wide throat directly behind the frame. The inlet stone is 6'long and 18" high and 6 to 8" thick. Storm water will flow in the top of the grate and also behind it were it drops directly into the structure.
There are basically three types of inlets. Throat, grate and combination which has a throat & a grate.
Just treat the design as a normal combination inlet. There is a lot of info available for design of combination inlets.
Here is one source
Just treat the design as a normal combination inlet. There is a lot of info available for design of combination inlets.
Here is one source
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dicksewerrat
Civil/Environmental
Neenah foundry has this 'inlet stone' in cast iron. That is the common item in the Midwest. they have the design info on their web site.
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