本帖最后由 WeSay 于 2009-8-19 22:47 编辑 6 I V8 R- ^* W C' l U# t8 D' z6 v! \, a) S; ~5 ]
A sump pump is part of a building's foundation drainage system and it has been a requirement since 1988.. y7 Q& {- a( M @( x9 z3 M: Z
; f( y6 S; P7 Y" `9 A0 h4 u1 v0 P 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。6 {; p6 ^9 F+ b3 K
6 w9 e1 y, a3 B6 ?! W( uIn 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.