This month we are pleased to feature StructureCast as part of our Meet a Precaster blog series. The […]
Have you ever found yourself on a project where local codes or requirements specify that vacuum testing of manholes must be done after backfill? We’ve received many calls from producers and contractors or installers faced with this same situation. Can’t really blame the owners. Testing after backfilling provides them with a degree of certainty that a watertight system has been installed. There are three major disadvantages when proceeding with this test:
New technologies and mix design options are available now for sanitary precast concrete manholes.