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Avoid Flood Damages in Cedar Hill Homes with Sump Pumps

Posted on: May 30, 2012

Sump pumps in Cedar Hill are a necessity when trying to keep homes dry. Sump pumps are placed in pits or “sumps” in the basement or garage floor. When a garage, basement or backyard starts to flood, it starts at the lowest point, which is the sump. As the sump fills with water, the pump is automatically activated and begins to suck the water out of the sump and discharge it to a drain or a line leading away from the house before it can flood any segment of the home.

How Sump Pumps Work

The pump’s base has openings to allow water to flow into it. When water fills the sump it also fills the interior of the pump. When the water reaches a certain level it triggers a floating switch that activates an electric motor. The motor spins a metal shaft immersed in the water at the bottom of the pump. The shaft is attached to an impeller, which resembles a small, sideways water wheel.

As the impeller spins at high speed it whirls the water away from the center of the pump, forcing it into a discharge pipe that rises up out of the sump. The discharge pipe connects to a length of hose or pipe that empties the water into a sink or outside the foundation of the house. As the water is forced out of the pump it creates a vacuum that pulls more water into the pump and out of the sump. The impeller keeps spinning and pumping water into the collecting pipe until the water level inside the pump – and the sump – allows the float switch to drop low enough to shut the motor off.

Types of Sump Pumps

There are pedestal sump pumps and submersible sump pumps. In pedestal pumps, the motor assembly is above the base of the pump and the impeller, and doesn’t contact the water. The activation switch for the motor is attached to a long shaft with the float on the other end that drops into the water. As the water rises, it pushes the shaft up and activates the switch. Submersible pumps are smaller units with the motor, activation switch, and impeller all on one level. The motor compartment is waterproof. For either of these plumbing installations style pump is usually connected to the house electric circuit. But some homeowners connect them to backup battery power supplies so the pump will work in the event of a severe storm and power outage.

Which Cedar Hill Homes Need Sump Pumps

Every homeowner in Cedar Hill should understand the concept of the water table. Simply put, the water table is the permanently saturated layer of soil, sand, or rock below most of the surface of the Earth. In some places it’s hundreds of feet below the ground, but in most areas it’s much closer to the surface. In temperate or seasonal areas, the depth of the water table can rise and fall.

The foundations of homes in the Cedar Hill area are built above the water table. But seasonal fluctuations and heavy precipitation can cause the water table to expand upwards. If a basement isn’t completely waterproof, and few basements in the Cedar Hill area are, the water will seep in. Land near rivers, streams, and wetlands tends to have a very high water table, so homes built in those areas are particularly susceptible to flooding.

Although most homes are not waterproof, they should be able to withstand an occasional increase in the saturation of the soil around and beneath the house. A permanently damp foundation could indicate that the home is close enough to the water table to prevent the lowest point of a home from ever completely drying out. Rather than installing a dehumidifier, a sump pump may provide a better solution.

For more information about this solution please contact Dial One Johnson Plumbing, Heating & Air Conditioning.

 

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