It can be installed under a basement floor or on a concrete slab. During a power outage, your sump pump will continue to move water around your basement. They can last for several years if properly maintained. Having a sump pump installed can cost hundreds or even thousands of dollars, depending on your location. Alternatively, you can install a battery-powered unit. This is the part you'll attach to the PVC pipe. Usually, your sewage pump has a discharge line that's attached to the sewer or outside of your property. But if your pump fails, you could end up with significant flooding. There are a few different ways to go about it.