本帖最后由 WeSay 于 2009-8-19 22:47 编辑 8 {5 e% W- T! L& j$ S' Y2 M6 @& H5 g% }6 L/ t4 \6 R! f; Q
A sump pump is part of a building's foundation drainage system and it has been a requirement since 1988. - r7 O! _' Z. R( f& Z: g( G" Y* ?" N9 A 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。0 j* m$ ?% z3 n: Q8 @% N
+ ?3 \2 w- V$ T! L# U. OIn 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.