Any tween deck vessel that provides official documents describing it as a Flush or Freedom Mark II type is acceptable for intransit fumigation under the FGIS "Fumigation Handbook" and does not need any special letter from FGIS. Some requests for a letter (citing tender requirement) are still being received.
The following list of acceptable tween deckers is not all-inclusive. It only covers the specific vessels that we have reviewed. For more information regarding this list or if you have any other fumigation related question contact Robert Dorman at 816-659-8411;
The CLEVELAND is an old style tween deck vessel that is approved on a voyage-by voyage basis, provided, the letter of temporary approval is followed completely. Each field office manager has received a copy of this letter.
Bulk Carrier Type Configuration
Flush Tween Type
Atheer Axion I
Xiang An Cheng
Bao An Cheng
Freedom Mark II Type
Adorinda (Ex-Solitaire I)
This new type vessel has movable pontoon/partitions in the holds. It is a cross between a bulk carrier and a tween decker, but is considered a bulk carrier:
Bulker/Tween Type Similar to Multipurpose Type
Modified RO/RO (car carrier)
GLOBAL PATRIOT (ex-Buffalo Soldier) - upper tween deck will need partitions installed if used.
TSGT JOHN A CHAPMAN - providing fumigation tubing, temporary bulkhead timbers, sheeting, and sealing are in place, as needed, prior to loading.
Traditional Tweens No Longer Approved for Special Testing
Not Approved (Pending Modifications/Additional Review)