NKK contracted with Ichinomiya City Office for refuse incinerationplant on full-turnkey basis in Aichi- Prefecture. Pneumatic caissonmethod is adopted for the construction of refuse bunker of thisplant. This is the first challenge of NKK adopt this method to therefuse bunker construction, and there are only two other cases inJapan. This case is the largest scale of construction using pneumaticcaisson method which is adopted for refuse bunker in Japan (thedimension of the bunker; l49.2 x w27.7 x h15.0m).
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