Quote:
Originally Posted by topfiverecords
I'll tack on a few notes to this.
Pump for sewage would be required when the elevation of the line is below the main at the street. Often in new builds where people want 9 or 10' basement ceilings, this could be the result, needing to pump sewage uphill. Good practice is to determine sewer grades before designing a home and setting main floor grade positions to avoid this situation being forced on them later on. It's a functional condition but it's another cost and element that can fail.
Sump is a good idea all around, and will discharge onto the property when the grade allows as opposed to connecting to the storm sewer. Depends a lot on the area and lot condition.
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My sump discharges on to the runoff area beside my house, for example. Scared the #### out of me the first time I saw it happen though! only ever comes on during very heavy storms, so like once or twice a year.