Water
Colorado Precast Concrete manufactures manholes, inlets and other precast concrete products for water systems. Our customers range from the individual home owner 
to large contractors. We supply precast products for large subdivisions and commercial sites.
We design our products directly from the engineering plans and follow those specifications for the required manhole diameter, gasket type and size, rings and covers, pipe angles, and any necessary waterproofing treatments.
Click on items below for pdf Drawings.
Storm Inlets
Colorado Precast Concrete offers standard CDOT and WYDOT storm inlet boxes built with blockouts to accept storm pipe. …
Standard Size Manholes
The standard inside diameters are 4, 5, 6, 8 and 10 foot. Our manholes meet ASTM C-478 Specifications …
