Oldcastle Precast manhole bases can now be produced with factory-cast channels and boot connectors. We stock most angles. This provides an economic advantage to field poured channels. Oldcastle Precast sewer manholes are manufactured to ASTM C 478 standards.
Provide us with a copy of the plan showing elevations and a sales representative using our state of the art Stack-It estimating system can provide you a job submittal along with the most cost effective stacking configuration.
Manholes are available with:
We can design and produce a water retention/detention structure of any size and configuration to meet your project’s space and water holding capacity requirements.