Everything you need to know about outside sump pump drainage systems
Backyard sump pumps collect excess rainwater in one area and pump into a storm sewer, or allow it to percolate naturally in a safe area of your yard.
Outside sump pump drainage systems are good at relocating water quickly during emergency situations, such as storms or flooding, but do not address your drainage problem at its source. As such, sump pumps should be used in conjunction with other, long-term yard drainage solutions, such as perimeter drain pipes, dry wells, and French Drains.
Since backyard sump pumps are effective at directing water in emergency situations—many residential sump pumps can transport 20 gallons per minute—you might think about installing an outside sump pump drainage system if you notice pooling water after heavy storms or flooding.
If you’re thinking about installing a backyard sump pump, though, it’s important that you choose the right pump for your home’s drainage needs and know where to pump the water. Most importantly, though, you need to have it installed correctly.
At Helitech Waterproofing & Foundation Repair, we offer free consultations to homeowners just like you. At that time, we’ll make external sump pump recommendations that will ensure you choose the right outdoor drainage system for your home.We’ll even give you a free estimate for how much the necessary installation and maintenance work might cost.
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Pedestal vs. submersible backyard sump pumps
There are many factors to consider when choosing your backyard sump pump, but perhaps the biggest one is choosing between submersible and pedestal pumps. Both are effective at collecting water through a filter and discharging it via a hose or pipe to be conveyed to your desired location. The difference lies in how the pump draws the water and the size of the sump pit.
In a pedestal sump pump system, the pump sits above the underground sump pit—the collection basin, which is comprised of a liner, gravel, and a discharge pipe. Your pump will usually sit idle until a pressure sensor or float activator within the sump pit indicates to the pump that the tank is full. When the pump kicks on, it draws the water out through a pipe and toward your desired location.
Submersible sump pump systems, as the name implies, lie within the sump basin. This requires you to dig a bigger sump pit during installation, as the pump will lie right above a filter within the pit. When the pump kicks on—usually when triggered by a sensor—a centrifugal pump configuration will draw water up through the filter and out the discharge pipe.
Submersible sump pumps are slightly more expensive than pedestal systems, but are quieter and often last longer.
External sump pump recommendations for installation: Safety, effectiveness and drainage precautions
There are very specific guidelines for outdoor sump pump installation that promote the safety and effectiveness of the finished system.
For example, while outside sump pump drainage systems can be connected to a storm sewer, they should never be connected to a sanitary sewer for obvious health reasons. Asan additional health and safety precaution, itis typically recommended that you choose a system with an anti-siphon device that will prevent backflow from the storm sewer.
Electric shock is another concern, as sump pump systems operate on electricity but transport water, a known electrical conductor. To reduce the risk of electrical shock, your pump should never be plugged into an ordinary outlet or an extension cord, but rather a GFCI outlet. GFCI (ground fault circuit interrupter) outlets are specifically defined to prevent electrical shock.
And, to prevent water from pooling around your foundation and causing water damage to your home, it is recommended that you direct the water at least 10 ft. away from the exterior of your home. You should also direct it toward a low part of your yard, or a storm drain.
Since there are so many things to consider when it comes to sump pump installation, it’s important to have a qualified team—like the waterproofing experts at Helitech—perform the work rather than attempting a DIY job.
We’ll give you, the homeowner, a free quote for your backyard sump pump installation or repair.
We’ll get back to you with a cost-effective solution.