本帖最后由 WeSay 于 2009-8-19 22:47 编辑 " G$ ^6 J2 }* s; ^5 x0 a" j. d- j( I1 N# u" B e
A sump pump is part of a building's foundation drainage system and it has been a requirement since 1988.& c7 _+ |+ x" r4 ]5 q
. b3 S3 |+ _, g7 d2 X0 h 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。 7 B8 O2 V& a/ k( d" e . ^" e9 M, }0 f1 R* W% dIn 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.