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Archive for Sump Pits

Always Check Your Sump Pump

Always check your sump pump for proper function. Especially when snow starts to melt and the spring rains come. This is why we install clear lids.

Here are some very important reminders when it comes to sump pumps. 1, always remove your small extension hose in the late fall. If you do not any water in the hose can quickly freeze and block any more water that may need to be pumped out. Even though we may have a thaw period or some rain. Many pumps will activate in the winter and if the hose is froze you will get water in your basement. The rubber coupler, or check valve can come off because of the back pressure created with the frozen hose. Just leave the hose off or put on a minimum 3 inch solid pipe for winter months.  2, make sure you have a way of checking the water level in your pit. We use clear lids so you can see in the pit. I don’t mean lift up the float and activate the pump, but just be able to check the water level in the pump. Especially when there is rain, or a winter thaw.  If the water rose enough to activate the pump and it is running without water being taken out you probably have a frozen pipe outside.

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Sealing Sump Pit is Very Important

Sealing a sump pit? The Radon venting standards require a sump pit, if it is drafting air (the only reason to really seal a pit) to be air tight. If the pit is the suction point it of course has to be sealed and of course the pit would have to be air tight. But what if the suction point is through the slab, on the other side of the basement? With homes that have interior drain tile and or gravel it is likely that communication will be quite good (which is what you want). When this happens the sump pit needs to be sealed. Otherwise the system can pull air from the basement which can combat your own system and possibly raise Heating and Cooling bills. Only submersible pumps can be used when sealing a sump pit. Doing a smoke test to determine air drafting after a system is operational is the best way to know if a pit has to be sealed if the pit is not the suction point and there are no interior drain tiles. So, sealing sump pit is very important. While draft testing you need to check cracks, open holes through the slab and cold joints for leaks. Cold joints are where the slab and foundation wall meet. If drafting caulk with a polyurethane caulk. Clear silicone on the pit lid.

The video shows the suction/drafting of a pit. The Radon system is on the other side of the basement, routed through the slab and then up through garage and roof. Imagine if the pit was not sealed or this was a cold joint leaking. This is why smoke tests must be performed with every system.

Sealed Sump Pit

 

 

 

 

 

 

 

 

 

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