This 30" x 46" inlet catch basin casting has a 5" rise frame with a flat grate. It will fit a 30" x 46" inner dimension drainage box (commonly used for INDOT B or C inlets) and has a flow area of 3.92 sq ft. This structure is casted in accordance to ASTM A48 Class 35B standards for grey cast iron, with a load rating of H-25/HS-20. 
 
This structure is comparable to a standard USF 4040-6040 casting. 
 
Freight shipping is required. Current pricing, availability, and submittal information is available upon request.