本帖最后由 WeSay 于 2009-8-19 22:47 编辑 & G9 e- d+ {/ G 7 T# Y! F! G$ v H/ f5 \A sump pump is part of a building's foundation drainage system and it has been a requirement since 1988. v2 q' i( v. d
9 n; f7 G( \0 C7 a* d http://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。5 f$ `/ i( R9 H6 t3 B2 R
- C' ^8 Y$ i/ \) \! [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.