Questions and Answers for U.S. TRENCH DRAIN 18 in. Storm Water Pit and Catch Basin for Modular Trench and Channel Drain Systems with Galvanized Steel Grate

A:  no

A:  no pre drilled outlets

A:  you have to drill the holes.

A:  no, sold separately sku 84042

A:  Yes, The galvanized grate is included. It also comes with 2 ports which must be drilled out and screwed on.

A:  No. it includes the metal top grate, but the plastic leaf catcher for inside is sold separately.

A:  10.6 g

A:  The inside dimension averages 12" x 12" and it is 16.75" deep to the bottom of the grate, so it will hold 10.4 gallons.

A:  yes. Providing they don't exceed 17in h

A:  yes, sku 84221 for 6"

A:  no

A:  Not if you want it to have any type of mounting flange. I think you could drill a hole that big, run the pipe in an inch or two, then pour concrete around the outside to seal it. But for pipe 12". you should have a bigger box anyway: this is too small

A:  no

A:  The metal will hold up to light traffic but definatly not heavy use. Also, if you concrestr it in you will have to support the structure as the concreate will push it in some.

A:  grate is 13.75 x 13.75

A:  The Dimensions: 14" L x 14" W x 18" H.

A:  At base, internal 11" x 11"

A:  11" x 11"