Finally, it's time to plug in the pump. 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. New Sump Pump Installation Cost: The cost of a new sump pump installation can be high. They are also easier to maintain. The Pro380-SD series of sewage pumps from Liberty Pumps features a heavy schedule 80 PVC discharge pipe. It should sit flush with the floor, but not overly close to it. It is important to keep in mind that the sump basin should be at least 10 feet away from the walls. Most sump pumps run on corded electric power, but some have GFCI outlets.