This 3' x 3' inlet catch basin casting has a 4" rise reversible frame with a flat, ADA-compliant grate. It will fit a 36" x 36" inner dimension drainage box with a flow area of 2.95 sq. ft. This structure is casted in accordance with ASTM A48 Class 35B standards for grey cast iron, with a load rating of H-25/HS-20. 
 
The ADA-compliant grate provides greater accessibility and is best suited for applications where heavy pedestrian foot traffic occurs. Its heel-proof design decreases tripping hazards on walkways. 
 
Freight shipping is required. Current pricing, availability, and submittal information is available upon request.