( K; O2 R: n; V7 n8 \1 f% @0 l. QA sump pump is part of a building's foundation drainage system and it has been a requirement since 1988. ) {- E. y+ j2 x5 ]- z% `, N ( W0 E5 l4 O+ J6 Q) Rhttp://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。 9 p3 u- ^) j7 A. v4 p: A 6 O5 g1 J% y9 G1 `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.