This is what sump pit/pump designed for: Collect all underground water around your house foundation and pump it out to the outside drainage system before it ever has a chance to flood your basement.
我一直以为那是把屋里的水排到外面去。如果是排房子周围的水,那一定有个进水管把外面的水引入sump pump了,那外面夹着泥沙的脏水岂不是先进了屋内的排水系统吗。 ' l' o$ J2 H+ j " y9 P% U3 A. M6 {, N再有,与其把外面的水引进来,再排到排水系统,为什么不直接从外面直接排到排水系统啊?Edmonton市政府要求做grading,理论上房子周围的水应该可以流到远离房子的低处,如果在那弄个雨水井,好像更合逻辑。* }/ a4 v8 n' j* x2 z
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不过谢谢两位回复,看来一切正常,我也可以踏实睡觉了。