Sewer Manhole, Drain Manhole, & Catch BasinManholes Are Designed To Contain, Or Divert, A Liquid Product To A Specific Location.

All Of Our Manholes Are Designed As H-20, ( Drive Onto ), Rated Precast Concrete Structures. Precast Concrete Manholes Are Readily Available In 4’ or 5’ Diameter Units.

Our Company Also Offer’s A 6’ Diameter Unit As Well, However Additional Time Is Needed To Get Them From Our Suppliers.

All Manhole Units Are Assembled With Various Combinations Of The Following Options. ( From Top To Bottom )

When Ordering These Structures Please Consider Each Category As An Option.

Frame & Grates

Many Types Available Both American Made & Non American( Please Call For The Specific Style You Require )

Grade Rings:

4” High With 24” Diameter Center Open or 4” High With 30” Center Open

6” High With 24” Diameter Center Open or 6” High With 30” Center Open

12” High With 24” Diameter Center Open or 12” High With 30” Center Open

Cone Top or Flat Top Cover

( Cone Top Cover = 2’ High With 24” or 30” Opening Available On 4’ Diameter Only )

( Flat Top Cover = 1’ High With 24” or 30” Opening Available On 4’ or 5’ Diameter )

Riser sections

Base Section / Dog House Style

( Riser & Base Sections Available 4’ Diameter x 1’, 2’, 3’ & 4’ High )

( Riser & Base Sections Available 5’ Diameter x 1’, 2’, 3’, 4’ ,5’, & 6’ High )

Cored Holes With or Without “Kor-N-Seal” Boots

Damp Proofing Structures

Manhole Steps:

Custom Precast Inverts:

In addition we offer H-20 Drop Inlets, A smaller application of the same for cost savings when applicable.

( Riser Sections Available { Inside Measurement } 1’, 2’, 3’, & 4’ High )

( Base Sections Available { Inside Measurement } 2’6”, 3’, & 4’ High )

Drop Inlets Measure 36” x 36” Outside, 24” x 24” Inside( Most Options Mentioned Above Are Applicable To Our Drop Inlets )