A bottomless wet vac

This paper reports that HEPA-filtered wet vacuum systems are used at many nuclear stations for decontamination and spill cleanup. One problem with a wet vacuum, however, in that the operator must periodically stop the unit and move it to a floor drain to empty the water that has been collected. Interrupting the job in this manner decreases productivity, increases personnel exposures, and increases the chances for the spread of contamination. Recognizing this, Indian Point Station personnel have modified some wet vacuum systems to allow the continuous direct pump-down of the units to a floor drain