Meer info
     

02/11/1973 Marpol-verdrag
Internationaal Verdrag van 2 november 1973 ter voorkoming van verontreiniging door schepen

Chapter 3 Equipment and control of discharge

Regulation 9 Sewage System

1

Every ship which, in accordance with regulation 2, is required to comply with the provisions of this Annex shall be equipped with one of the following sewage systems:
1
a sewage treatment plant which shall be of a type approved by the Administration, taking into account the standards and test methods developed by the Organization (181) , or
2
a sewage comminuting and disinfecting system approved by the Administration. Such system shall be fitted with facilities to the satisfaction of the Administration, for the temporary storage of sewage when the ship is less than 3 nautical miles from the nearest land, or
3
a holding tank of the capacity to the satisfaction of the Administration for the retention of all sewage, having regard to the operation of the ship, the number of persons on board and other relevant factors. The holding tank shall be constructed to the satisfaction of the Administration and shall have a means to indicate visually the amount of its contents.

[2

By derogation from paragraph 1, every passenger ship which, in accordance with regulation 2, is required to comply with the provisions of this Annex, and for which regulation 11.3 applies while in a special area, shall be equipped with one of the following sewage systems:
1
a sewage treatment plant which shall be of a type approved by the Administration, taking into account the standards and test methods developed by the Organization, or
2
a holding tank of the capacity to the satisfaction of the Administration for the retention of all sewage, having regard to the operation of the ship, the number of persons on board and other relevant factors. The holding tank shall be constructed to the satisfaction of the Administration and shall have a means to indicate visually the amount of its contents.]
(181)
Refer to the Recommendation on International effluent standards and guidelines for performance tests for sewage treatment plants adopted by the Organization by resolution MEPC.2(VI). For existing ships national specifications are acceptable.
Wetshistoriek
2 ingevoegd bij Res. MEPC.200(62), met ingang van 1 januari 2013.

Regulation 10 Standard Discharge Connections

1

To enable pipes of reception facilities to be connected with the ship's discharge pipeline, both lines shall be fitted with a standard discharge connection in accordance with the following table:
STANDARD DIMENSIONS OF FLANGES FOR DISCHARGE CONNECTIONS
Description
Dimension
Outside diameter
210 mm
Inner diameter
According to pipe outside diameter
Bolt circle diameter
170 mm
Slots in flange
4 holes 18 mm in diameter equidistantly placed on a bolt circle of the above diameter, slotted to the flange periphery. The slot width to be 18 mm
Flange thickness
16 mm
Bolts and nuts: quantity and diameter
4, each of 16 mm in diameter and of suitable length
The flange is designed to accept pipes up to a maximum internal diameter of 100 mm and shall be of steel or other equivalent material having a flat face. This flange, together with a suitable gasket, shall be suitable for a service pressure of 600 kPa.
For ships having a moulded depth of 5 metres and less, the inner diameter of the discharge connection may be 38 millimetres.

2

For ships in dedicated trades, i.e. passenger ferries, alternatively the ship's discharge pipeline may be fitted with a discharge connection which can be accepted by the Administration, such as quick connection couplings.

Regulation 11 Discharge of sewage


A Discharge of sewage from ships other than passenger ships in all areas and discharge of sewage from passenger ships outside special areas

1

Subject to the provisions of regulation 3 of this Annex, the discharge of sewage into the sea is prohibited, except when:
1
the ship is discharging comminuted and disinfected sewage using a system approved by the Administration in accordance with regulation 9.1.2 of this Annex at a distance of more than 3 nautical miles from the nearest land, or sewage which is not comminuted or disinfected at a distance of more than 12 nautical miles from the nearest land, provided that, in any case, the sewage that has been stored in holding tanks, or sewage originating from spaces containing living animals, shall not be discharged instantaneously but at a moderate rate when the ship is en route and proceeding at not less than 4 knots; the rate of discharge shall be approved by the Administration based upon standards developed by the Organization; or
2
the ship has in operation an approved sewage treatment plant which has been certified by the Administration to meet the operational requirements referred to in regulation 9.1.1 of this Annex, and the effluent shall not produce visible floating solids nor cause discoloration of the surrounding water.

2

The provisions of paragraph 1 shall not apply to ships operating in the waters under the jurisdiction of a State and visiting ships from other States while they are in these waters and are discharging sewage in accordance with such less stringent requirements as may be imposed by such State.

[
B Discharge of sewage from passenger ships within a special area

3

Subject to the provisions of regulation 3 of this Annex, the discharge of sewage from a passenger ship within a special area shall be prohibited:
1
for new passenger ships, on a date determined by the Organization pursuant to regulation 13.2 of this Annex, but in no event prior to 1 June 2019; and
2
for existing passenger ships, on a date determined by the Organization pursuant to regulation 13.2 of this Annex, but in no event prior to 1 June 2021,
except when the following conditions are satisfied:
the ship has in operation an approved sewage treatment plant which has been certified by the Administration to meet the operational requirements referred to in regulation 9.2.1 of this Annex, and the effluent shall not produce visible floating solids nor cause discoloration of the surrounding water.
]
C General requirements

4

When the sewage is mixed with wastes or waste water covered by other Annexes of MARPOL, the requirements of those Annexes shall be complied with in addition to the requirements of this Annex.]
Wetshistoriek
Vervangen bij Res. MEPC.200(62), corr., 26 september 2011, met ingang van 1 januari 2013 en gewijzigd bij Res. MEPC.274(69), corr., 4 juli 2016, met ingang van 1 september 2017.