本帖最后由 WeSay 于 2009-8-19 22:47 编辑 ) T) W- m) c6 t3 x* {* c 8 R; ]; I; P# b7 x! |, X* HA sump pump is part of a building's foundation drainage system and it has been a requirement since 1988. % n$ B+ F ^8 K7 A4 o5 y+ p% x2 Z9 i- F; ^2 w; s n- E 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 P* G/ Y d0 X( C) ` A. O+ ` 3 C* U0 f7 I2 h uIn 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.