/ w) Y; O3 R8 P- T; l2 m" ?- I3 b1 eA sump pump is part of a building's foundation drainage system and it has been a requirement since 1988. X5 A- N0 K( p# J h
- v: I# |* z/ i5 @* f 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。 * M% I/ Z1 {7 J" i4 V& M# U. R( |6 a
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.