本帖最后由 WeSay 于 2009-8-19 22:47 编辑 ( C0 e2 O. r9 s/ y7 d' Q; b( [/ \$ X 3 B- _! e, x/ ~" Q6 d5 b# [A sump pump is part of a building's foundation drainage system and it has been a requirement since 1988. : w7 i$ t- y5 v; j% j) U" k + E; {- K i6 x U4 Y! _ w, ?5 Xhttp://www.edmonton.ca/for_resid ... ps-residential.aspx
你看看下面这段话。我看得一个房子也没有,不过我觉得应该不是大问题。95年的房子,如果地下室没有进过水,说明房子没问题。再者说了,好像是需要专家决定要不要修建。' S8 r. ?1 [1 S% H3 N5 a$ I
9 L4 V- d+ D* K8 f2 U4 u/ ^1 x; \In newer areas the sump pump discharges onto the ground, with the exception of areas that have a very high ground water table, or those adjacent to a lake, ravine or river. In those areas, sump pumps must connect to a storm service pipe to minimize soil erosion. A geotechnical engineer determines if this is necessary before the area is developed.