本帖最后由 WeSay 于 2009-8-19 22:47 编辑 $ ]6 S# Z; o8 X& V& ?; t' Y : g3 R3 |% F( e8 I) S& _0 _- m8 BA sump pump is part of a building's foundation drainage system and it has been a requirement since 1988. / H& f- F- M; I, B0 d J+ S2 K E- [0 b& ~ 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。/ [/ D: U4 j' b/ d- b
: ~( n' m3 b: o4 ~% e: j' ]' L% W9 VIn 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.