Grain

Question 1

What document needed to load grain

Answer 1

Document of Authorization

Question 2

What is on DOA

Answer 2

Name of ship
Distinctive numbers or letters
Port of Registry
IMO Number
Statement that the ship is capable of complying with the requirements of the IGC in accordance with the approved grain loading stability information booklet

Question 3

Grain stability requirements

Answer 3

Initial GM not less than 0.3m
Residual area between heeling arm curve and righting arm curve up to angle of max difference between two curves, or 40° or angle of flooding, whichever is least, not less than .075mr
Max angle of heel due to cargo shift 12°

Question 4

When can a ship load without a document of authorization?

Answer 4

The total weight of the bulk grain shall not exceed one third of the deadweight of the ship
All filled compartments, trimmed, shall be fitted with centreline divisions extending, for the full length of such compartments, downwards from the underside of the deck or hatch covers to a distance below the deck line of at least one eighth of the maximum breadth of the compartment or 2.4 m, whichever is the greater, except that saucers may be accepted in lieu of a centreline division in and beneath a hatchway except in the case of linseed and other seeds having similar properties;
All hatches to filled compartments, trimmed, shall be closed and covers secured in place
All free grain surfaces in partly filled cargo space shall be trimmed level and secured
Throughout the voyage the metacentric height after correction for the free surface effects of liquids in tanks shall be 0.3 m or that given by a formula given in the grain code