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Homeowner Forum / Construction / November 2005Sump pump question
Hello, Got alot of water in the basement last month during the floods. The water came up from below the floor. It was recommended I install a couple of sump pumps. How do I know this is going to work? In other words, how can i be sure the water is going to travel under the basement floor (sideways)? also, any reviews on the Flotec pumps and/or Ridgid pumps (both have lifetime warranties) thanks. > Hello, > Got alot of water in the basement last month during the floods. The water [quoted text clipped - 5 lines] > lifetime warranties) > thanks. There are a few issues to take into consideration. Whether you slab was poured over a gravel base or not. The gravel will help to allow the water to flow to the sump pit(s) before it reaches the slab, or above. You are limited however by the percolation rate of the gravel or soils under your slab. This is perhaps why you were told you would have to install "a couple pumps". If the slab is large, or was poured with no gravel base the percolation rate would be very slow. In a situation where whater is rising quickly the rate of rise will exceed the percolation rate of the soil and flooding will still occur. As a side note, if the flooding is due to a gradual rise of the water table an excavated sump hole lined with gravel can help to lower the watertable locally around your home. This doesnt sound like its the case as you speak directly about floods. A quick glance in the yellow pages will probably find you countless companies who deal with this very issue. Its far from an easy problem to remedy. If you are looking for a failsafe system you might be better off contacting a couple for a quote/consult. Mark You can't be absolutely sure until you know what's under the floor. When installing the pumps, take notice as to wether there is at least a couple of inches of gravel under the slab. If so, it should work fine. >> Hello, >> Got alot of water in the basement last month during the floods. The [quoted text clipped - 30 lines] > > Mark |
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