A volumetric mixer pours backfill for a concrete manhole on a construction site in Texas.

Concrete Manholes & Manhole Covers

Pouring Concrete Manholes With Volumetric Mixers Ubiquitous yet an afterthought for many people, manholes have played an intricate role in water and sewer infrastructures for centuries. Generally, manholes are found in four situations when: Two or more sewer/stormwater lines intersect; The size of the sewer/stormwater lines change; The sewer/stormwater line alignment changes; and/or The sewer/stormwater…

Cemen Tech Launches DOTCertified

Cemen Tech Launches DOTCERTIFIED.com New website provides resources and information about volumetric concrete mixers and how to meet DOT specifications. Indianola, Iowa. August 1st, 2019: Cemen Tech has announced the launch of DOTCERTIFIED.COM—a new website that aims to help individual state DOTs, municipalities, engineers and contractors learn about volumetric concrete mixers, their advantages and how…