MARPOL, Revised Annex IVPrevention of Pollution by sewage

Entry into force 27 september 2003

2MARPOL, revised Annex IV – Prevention of oil pollution by sewage

Why a revised Annex IV

► ANNEXES I (OIL POLLUTION) AND II (NLS) MANDATORY

► ANNEXES III (HARMFULL PACKAGED GOODS), IV (SEWAGE) AND V (GARBAGE) OPTIONAL

► ANNEX IV AS INITIALLY DRAFTED CONSIDERED AS BEING TOO SEVERE

3MARPOL, revised Annex IV – Prevention of oil pollution by sewage

What is sewage ?

► DRAINAGE TOILETS AND URINALS,

► DRAINAGE FROM MEDICAL PREMISES,

► DRAINAGE FROM SPACES CONTAINING LIVING ANIMALS,

► OTHER WASTE WATERS WHEN MIXED WITH THE DRAINAGES DEFINED ABOVE.

4MARPOL, revised Annex IV – Prevention of oil pollution by sewage

Which ships are failling under the scope of the revised Annex IV ?

► NEW SHIPS :

400 GT AND ABOVE AND

LESS THAN 400 GT CARRYING MORE THAN 15 PERSONS, AS FROM 27 SEPTEMBER 2003.

► EXISTING SHIPS :

400 GT AND ABOVE AND

LESS THAN 400 GT CARRYING MORE THAN 15 PERSONS, AS FROM 27 SEPTEMBER 2008

5MARPOL, revised Annex IV – Prevention of oil pollution by sewage

Sewage systems and standard discharge connections

► A SHIP SHALL BE EQUIPED WITH ONE OF THOSE SYSTEMS :

SEWAGE TREATMENT PLANT

SEWAGE COMMINUTING AND DISINFECTING SYSTEM

HOLDING TANK

► AND A STANDARD DISCHARGE CONNECTION

6MARPOL, revised Annex IV – Prevention of oil pollution by sewage

Where may sewage be discharged ?

► EFFLUENT FROM SEWAGE TREATMENT PLANT :

EVERYWHERE

► COMMINUTED AND DISINFECTED SEWAGE :

NOT LESS THAN 3 MILES FROM NEAREST LAND

► UNTREATED SEWAGE :

NOT LESS THAN 12 MILES FROM NEAREST LAND, EN ROUTE, SUBJECT TO RATE OF DISCHARGE APPROVAL

7MARPOL, revised Annex IV – Prevention of oil pollution by sewage

Certificate scheme

► APPROVAL OF DRAWINGS

► SURVEY REGIME :

INITIAL AND RENEWAL SURVEYS

► CERTIFICATE (ISPPC):

5 YEARS VALIDITY, IN LINE WITH CLASSIFICATION AND OTHER STATUTORY CERTIFICATES (HSC)

8MARPOL, revised Annex IV – Prevention of oil pollution by sewage

ASMS Items and Certificate editor

► SURVEY CODES : SEWS, SEWO

► ITEMS COTE : SEW

► INTERNATIONAL SEWAGE POLLUTION PREVENTION CERTIFICATE (1973)

► INTERNATIONAL SEWAGE POLLUTION PREVENTION CERTIFICATE (FULL AND SHORT TERM)

► DOCUMENT OF COMPLIANCE