Description
Coal ash discharged from coal-fired power stations. Grey-coloured, possibly
ranging from near-white to near-black, and odourless substance collected from the bottom
of boilers, and resembles sand. Moisture content is about 15% to 23%. This cargo can be
classified into wet type, which is discharged using water, and dry type, which is
discharged out under dry condition.
Characteristics
| Physical properties
|
| Size
|
Angle of
repose
|
Bulk density
(kg/m3)
|
Stowage factor
(m3/t)
|
| Up to 90 mm
|
Not applicable
|
600 to 1,700
|
0.59 to 1.67
|
| Hazard classification
|
| Class
|
Subsidiary
hazard(s)
|
MHB
|
Group
|
| Not applicable
|
Not applicable
|
TX
|
A and B
|
Hazard
The material may liquefy if shipped at a moisture content in excess of its
transportable moisture limit (TML). See sections 7 and 8 of this Code. May cause
long-term health effects.
This cargo is non-combustible or has a low fire risk.
Stowage and segregation
No special requirements.
Hold cleanliness
No special requirements.
Weather precautions
This cargo shall be kept as dry as practicable before loading, during
loading and while on the voyage. When a cargo is carried in a ship other than a ship
complying with the requirements in 7.3.2 or a ship complying with the requirements in
7.3.3 of this Code, the following provisions shall be complied with:
-
.1 the moisture content of the cargo shall be kept less than its TML
during loading operations and the voyage;
-
.2 unless expressly provided otherwise in this individual schedule,
the cargo shall not be handled during precipitation;
-
.3 unless expressly provided otherwise in this individual schedule,
during handling of the cargo, all non-working hatches of the cargo spaces into
which the cargo is loaded, or to be loaded, shall be closed;
-
.4 the cargo may be handled during precipitation under the conditions
stated in the procedures required in 4.3.3 of this Code; and
-
.5 the cargo in a cargo space may be discharged during precipitation
provided that the total amount of the cargo in the cargo space is to be discharged
in the port.
Loading
Trim in accordance with the relevant provisions required under sections 4
and 5 of this Code.
Precautions
Persons who may be exposed to the dust of the cargo shall wear gloves,
goggles or other equivalent dust eye-protection and dust filter masks.
Ventilation
No special requirements.
Carriage
No special requirements.
Discharge
No special requirements.
Clean-up
No special requirements.
Emergency procedures
| Special emergency equipment to
be carried
|
| Protective clothing (goggles, dust
filter masks, gloves and coveralls).
|
| Emergency
procedures
|
| Wear protective clothing.
|
| Emergency action in the event
of fire
|
| Nil (non-combustible).
|
| Medical first aid
|
| Refer to the Medical First Aid
Guide (MFAG), as amended.
|