Colorado Precast Concrete provides sewer manholes, sand oil/grease interceptors and custom vaults for waste water treatment facilities large and small.



Standard Size Manholes

The standard inside diameters are 4, 5, 6, 8, 10 and 12 foot. Our manholes meet ASTM C-478

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Sand and Oil Interceptors

Sand and Oil Interceptors have a variety of applications, such as car washes and commercial garages. Sand and …

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Grease Interceptors

Grease Interceptors are used in the restaurant industry and for institutional kitchens, among other applications. The interior baffle …