Searefico Sleeve section currently under construction through the floor to the 2nd floor drain system (Zone 2), but currently there is one position DN 100 drainage pipe drainage requirements for the toilet in the A8-A9 shaft position / B6-B7 (the PD2-12 ground plan), under sanitary A9 / B7 (PD3-26 drawings), floor beams coincides 2. Therefore Searefico cross beam pipe goes proposed location for this drainage pipe
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