本帖最后由 WeSay 于 2009-8-19 22:47 编辑 ; b, Z; \8 c/ h2 t1 N1 T" H! ^7 o. W N3 h4 b% L* H) d" C
A sump pump is part of a building's foundation drainage system and it has been a requirement since 1988. / A4 i' Z: P9 G5 K+ {' F' j" H6 D! i 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。2 y+ D4 Q9 W q D/ f( u
9 i0 r3 E' _- P# J# y ?" n8 qIn 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.