Manholes

Colorado Precast Concrete supplies Sanitary Sewer, Storm Sewer and Water line manholes for a wide range of large and small residential and commercial developments over all of Colorado, Wyoming and other western states.

The standard inside diameters are 4, 5, 6, 8 and 10 foot. 12 foot diameter manholes can also be provided. Our manholes meet ASTM C-478 Standard Specifications for Precast Reinforced Concrete Manhole Sections.

	Click here for a chart of available sizes
	We have a large inventory of standard manhole sections, or we can cast them with gaskets or blockouts as needed. Invert channels may be added for sanitary sewer lines. Manholes are also available with a variety of coatings to meet your specifications.