28.Bulk carrier midship section

TOP SIDE TANK

-    Used mainly for ballasting. Connected with the ships main ballasting system Has triangular frames , the top portion supports deck beams,  the side portion supports the side plating of hull the bottom portion supports the top side of the cargo hold

-       
      As per BHU ( regulation regarding safe loading and unloading for bulk carriers) states that during discharge of top side tk, the amount discharged should be matched with the amount of cargo loaded

HOPPER TANK

-    Enable s easy removal of cargo – by placing cargo in the centre for easy dispatch

-    Also used as extra ballast tanks

-    If in the aft, can be used for f.o tanks along with DB tanks

DB TANKS

-    These tanks extend b/w fwd collision bh to aft peak bh

-    The DB tanks are constructed  
      if L > 120 – then these tanks are longitudinally framed
(ie , floor spacing – 3.8 m apart- except pounding region, under m/e , boiler)
 if L < 120 – then these tanks are transversely framed

 (ie floor spacing – 3 m apart – except pounding region , under m/e , boiler)