It also includes a quick-connect float switch for a fast and easy connection to your sewage system. Cost To Install Sump Pump And French Drain: If you're looking for a quick and cost-effective way to prevent standing water in your basement, a sump pump and French drain may be just what you need. Plus, you'll want to make sure you choose a company with a reputation for excellence and a great customer service record. If you are looking to install a new sump pump, check with your local sump pump company for recommendations. If you have a sump pit, it's a good idea to use coarse gravel for the bottom of the pit. Submersible pumps are more powerful and can fully submerge in water. The Pro380-SD series of sewage pumps from Liberty Pumps features a heavy schedule 80 PVC discharge pipe. First, you'll need to dig a hole in the ground that is big enough for the sump pump. It includes digging a shallow hole and a discharge line. Liberty Sewage Pump Installation: When it comes to installing a sewage pump in your home, you'll need to be sure to choose the right product for your needs. Your pit should be at least 22 inches deep.