本帖最后由 WeSay 于 2009-8-19 22:47 编辑 6 G" \* w" n( S$ c6 \3 l3 ?; i ) ]' b" ~$ S7 G7 h) [4 T- J KA sump pump is part of a building's foundation drainage system and it has been a requirement since 1988. - n- S( F5 j0 _ W6 w* a) { B) A. X; o: W6 x: G0 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。 2 O- q$ m8 X. s8 V1 X U 9 p) F8 g! R* R2 K0 N( p$ rIn 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.