|
ADDENDUM A
FLOW DIAGRAMS -- CLEANING OF CARGO TANKS AND DISPOSAL OF TANK WASHINGS/BALLAST CONTAINING RESIDUES OF CATEGORY X,Y, AND Z SUBSTANCES
Note 1: This flow diagram shows the basic requirements applicable to all age groups of ships and is for guidance only.
Note 2: All discharges into the sea are regulated by Annex II.
Note 3: Within the Antarctic area, any discharge into the sea of Noxious Liquid Substances or mixtures containing such substances is prohibited.
|
（拡大画面：29KB）
|
 |
| Ship details |
Stripping requirements (in litres) |
| Category X |
Category Y |
Category Z |
| New Ships: keel laid after 01/01/2007 |
75 |
75 |
75 |
| IBC ships until 01/01/2007 |
100 + 50
tolerance |
100 + 50
tolerance |
300 + 50 tolerance |
| BCH ships |
300 + 50
tolerance |
300 + 50
tolerance |
900 + 50 tolerance |
| Other ships: keel-laid before 01/01/2007 |
N/A |
N/A |
Empty to the most possible extent |
|
Cleaning and disposal procedures (CDP)
(Start at the top of the column under the CDP number specified and complete each item procedure in the sequence where marked)
| No. |
Operation |
Procedure Number |
| 1(a) |
1(b) |
2(a) |
2(b) |
3 |
| 1 |
Strip tank and piping to maximum extent, at least in compliance with the procedures in section 3 of this Manual |
X |
X |
X |
X |
X |
| 2 |
Apply prewash in accordance with Addendum B of this Manual and discharge residue to reception facility |
X |
X |
|
|
|
| 3 |
Apply subsequent wash, additional to the prewash, with:
a complete cycle of the cleaning machine(s)
for ships built before 1 July 1994
a water quantity not less than calculated with "k"=1.0
for ships built on or after 1 July 1994 |
|
X |
|
|
|
| 4 |
Apply ventilation procedure in accordance with Addendum C of this Manual |
|
|
|
|
X |
| 5 |
Ballast tanks or wash tank to commercial standards |
X |
|
X |
X |
X |
| 6 |
Ballast added to tank |
|
X |
|
|
|
| 7 |
Conditions for discharge of ballast/residue/water mixtures other than prewash: |
|
|
|
|
|
|
.1 distance from land > 12 nautical miles |
X |
|
X |
X |
|
|
.2 ship's speed > 7 knots |
X |
|
X |
X |
|
|
.3 water depth > 25 metres |
X |
|
X |
X |
|
|
.4 Using underwater discharge (not exceeding permissible discharge rate) |
X |
|
X |
|
|
| 8 |
Conditions for discharge of ballast: |
|
|
|
|
|
|
.1 distance from land > 12 nautical miles |
|
X |
|
|
|
|
.2 water depth > 25 metres |
|
X |
|
|
|
| 9 |
Any water subsequently introduced into a tank may be discharged into the sea without restrictions |
X |
X |
X |
X |
X |
|
ADDENDUM B
PREWASH PROCEDURES
This addendum to the Manual shall contain prewash procedures based on appendix 6 of Annex II. These procedures shall contain specific requirements for the use of the tank washing arrangements and equipment provided on the particular ship and include the following:
.1 cleaning machine positions to be used;
.2 slops pumping out procedure;
.3 requirements for hot washing;
.4 number of cycles of cleaning machine (or time); and
.5 minimum operating pressures.
ADDENDUM C
VENTILATION PROCEDURES
This addendum to the Manual shall contain ventilation procedures based on appendix 7 of Annex II. The procedures shall contain specific requirements for the use of the cargo tank ventilation system, or equipment, fitted on the particular ship and shall include the following:
.1 ventilation positions to be used;
.2 minimum flow or speed of fans;
.3 procedures for ventilating cargo pipeline, pumps, filters, etc.; and
.4 procedures for ensuring that tanks are dry on completion.
ADDENDUM D - ADDITIONAL INFORMATION AND OPERATIONAL INSTRUCTIONS REQUIRED OR ACCEPTED BY THE ADMINISTRATION
|
