Date： October – december, 2010Part: Building storm rain waste systemProject details: Building's built up area: 10，500 sq. meters. 23 roof outlets at PVC membrane for the main pipeline system. and 8 roof outlets pieces for the emergency one.
Part: Building storm rain waste system
Project details:
Building's built up area: 10，500 sq. meters.
23 roof outlets at PVC membrane for the main pipeline system.
and 8 roof outlets pieces for the emergency one.
chosen rainfall intensity 354 l/s/h.
