本帖最后由 WeSay 于 2009-8-19 22:47 编辑 , A- ]6 `! K7 R8 ^7 P, ?8 u; q0 ^- U' {# q1 H* D( k3 a, h
A sump pump is part of a building's foundation drainage system and it has been a requirement since 1988.. @. d! l* R% Y! w6 H/ s* L
6 d+ x+ G. C2 V 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。, S9 a. u. j0 _- S8 e' b2 C' K' U: S
! e5 e" _) Z! {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.