It includes digging a shallow hole and a discharge line. They also include a durable polyethylene cover and an integrally molded torque stop. Next, find your electrical outlet. The system should be installed at the same time as the drain. Crawl Space Sump Pump Installation Cost: Installing a sump pump in a crawl space can be a tricky undertaking. First, you'll need to dig a hole in the ground that is big enough for the sump pump. Sump pumps are necessary in many homes to prevent water damage. If you're using the aforementioned battery-backup version, be sure the outlet is above your water line. Outdoor Sump Pump Installation: A sump pump is a great home appliance that is used to collect water from around the foundation and pump it away from the house. Finally, it's time to plug in the pump.