MARPOL ANNEX 1
(revised from MARPOL Edition 2011)
International Regulation for the
Prevention of Pollution by OIL
Enforcement:
2 Oct 1983
Revision:
1 Jan 2007
Regulations: 38
Chapter 1 - General
Regulation 1: Definitions
- Oil: Petroleum in
any form including crude oil, fuel oil, sludge, oil refuse and refined
products
- Crude
oil:
Any liquid hydrocarbon mixture occurring naturally in the earth
- Oil
tanker:
A ship constructed or adapted primarily to carry oil in bulk
- Crude
oil tanker:
An oil tanker engaged in the trade of carrying crude oil
- Product
carrier: An oil tanker engaged in the trade of
carrying oil other than crude oil
- Combination
carrier:
A ship designed to carry either oil or solid cargoes in bulk
- Nearest
land:
The term "from the nearest land" means from the baseline from
which the territorial sea of the territory is established
- Special
area:
A sea area where for recognized technical reasons in relation to its
oceanographical and ecological condition and to the particular
character of its traffic the adoption of special mandatory methods
for the prevention of sea pollution by oil is required
- Special Areas
List (for this annex):
- the
Mediterranean Sea
- the Baltic Sea
area
- the Black Sea
- the Red Sea
- the Gulf of Aden
- the Antarctic
area
- the North West
European waters (includes North Sea, Celtic Sea, English Channel)
- the Oman area of
the Arabian Sea
- the Southern
South African waters
·
Instantaneous rate: Rate of discharge of oil content means the rate
of discharge of oil in L/hr at any instant divided by the speed of the
ship in knots at the same instant
·
Slop tank:
A tank specifically designated for the collection of tank draining,
tank washing and other oily mixtures
·
Clean ballast:
The ballast in a tank which, since oil was last carried therein, has been so
cleaned that effluent therefrom if it were discharged from a
ship would not produce visible traces of oil on the surface of the water
·
Segregated
ballast means the ballast water introduced into a tank which is completely separated
from the cargo oil and oil fuel system
·
Anniversary date: The day and the month of each year, which will correspond
to the date of expiry of the IOPPC
·
IOPPC:
International Oil Pollution Prevention Certificate
·
Oil Residue (sludge): The residual waste oil products generated during the
normal operation of a ship such as fuel oil purification, waste oil from
drip trays etc
·
Oil residue (sludge) tank: Tank which holds oil residue (sludge)
from which sludge may be disposed directly through the standard discharge
connection
·
Oily bilge water: Water which may be contaminated by oil resulting from
things such as leakage or maintenance work in machinery spaces. Any liquid
entering the bilge system including bilge wells, bilge piping, tank top or
bilge holding tanks is considered oily bilge water
Regulation 2: Application
- Unless expressly
provided otherwise, the provisions of this Annex shall apply to all ships.
Regulation 3: Exemptions
- Any ship such as
hydrofoil, air-cushion vehicle, near-surface craft and submarine craft
etc.
-
- The Admin may
waive the requirements of regulations 29, 31 and 32 of this Annex, for any
oil tanker which engages exclusively on voyages both of 72 h or less in
duration and within 50 nautical miles from the nearest land
Regulation 4: Exceptions
- Regulations 15
and 34 of this Annex shall not apply to:
- The discharge
into the sea of oil or oily mixture necessary for the purpose of securing
the safety of a ship or saving life at sea
- the discharge
into the sea of oil or oily mixture resulting from damage to a ship or its
equipment, only when all the precaution are taken to avoid such a
situation
Regulation 5: Equivalents
-
- The
Administration may allow any fitting, material, appliance or apparatus to
be fitted in a ship as an alternative to that required by this Annex if
such fitting, material, appliance or apparatus is at least as effective as
that required by this Annex.
Chapter 2 - Surveys and certification
Regulation 6: Surveys
- Every oil
tanker >= 100 GT & other ships >= 400 GT,
are subject to following surveys to ensure that the structure, equipment,
systems, fittings, arrangements and material fully comply with the applicable
requirements of this Annex:
- Initial Survey: Before the
ship is put in service or before the Certificate (IOPPC) is issued for the
first time.
- Renewal Survey: <= 5 years.
- Intermediate
Survey:
Within 3 months before/after 2nd/3rd Anniversary Date of the Certificate.
- Annual Survey: Within
3 months before/after each anniversary date.
- Additional
Survey: Either
general or partial, according to the circumstances such as major repair,
replacement of the approved items/machinery as per this Annex.
- The
Administration must appoint a competent surveyor officer to carry out
various surveys. Such an officer holds the power to dismiss a vessel until
its defects are rectified.
Regulation 7: Issue or endorsement of certificate
- An International Oil Pollution Prevention Certificate
(IOPPC) shall be issued upon successful initial/renewal survey
to an oil tanker >= 150GT or another ship >= 400 GT.
Regulation 8: Issue/Endorsement of certificate by another
Government
- A Govt of a
party to this convention, upon request by the Admin, shall do a survey of
their vessel and upon satisfaction, issue IOPPC.
- A copy of such
certificate must be submitted to th Admin as soon as possible.
Regulation 9: Form of certificate
- The International
Oil Pollution Prevention Certificate shall be at least English,
French or Spanish. If an official language of the issuing country is also
used then its advised to keep a translation copy in above said languages.
Regulation 10: Duration and validity of certificate
- IOPPC must be
issued for <= 5 years.
- If renewal of
cert not done within 3 months of anniversary date, then new cert shall be
valid from the date of completion of the renewal survey to a date not
exceeding five years from the date of expiry of the existing certificate.
- If at the time
of the survey, ship is not in port, then a max extension of 3 months shall
be allowed, only to allow it to reach the survey port.
- If the flag of
the ship is changed then existing cert becomes invalid and new cert is
issued by the new govt within 3 months of transfer to that flag.
Regulation 11: Port State control on operational requirements
-
- A ship when in a
port of another Party is subject to inspection by officers duly
authorized, where there are clear grounds for believing that the master or
crew are not familiar with essential shipboard procedures relating to the
prevention of pollution by oil, in such a case the Party shall take
such steps as will ensure that the ship shall not sail until the situation
has been brought to order in accordance with the requirement of this
Annex.
Chapter 3 - Requirements for machinery spaces of all ships
Regulation 12:
Tanks for oil residues
- Each ship >=
400 GT, shall be provided with tanks of appropriate capacity to collect
sludge based upon the length of voyage, condition of machinery etc.
- Shall
have no discharge connections to the bilge system, oily bilge water
holding tank(s), tank top or oily water separators except that the tank(s)
may be fitted with drains, with manually operated self-closing valves
and arrangements for subsequent visual monitoring of the settled water,
that lead to an oily water holding tank or bilge well, or an
alternative arrangement, provided such arrangement does not connect
directly to the bilge piping system.
- Oil residue
(sludge) may be disposed of directly from the oil residue (sludge) tank(s)
through the standard discharge connection.
- Piping to and
from oil residue (sludge) tanks shall have no direct connection overboard.
Regulation 12A: Oil fuel tank protection
Regulation 13: Standard discharge connection
- To enable pipes
of reception facilities to be connected with the ship's discharge pipeline
for residues from machinery bilges and from oil residue (sludge) tanks,
both lines shall be fitted with a standard discharge connection in
accordance with the following table:
Regulation 14: Oil filtering equipment
- Any Ship 400
<= GT < 10000, shall be fitted with Oil Filtering Equipment
which has to be of a design approved by the Administration and shall be
such as will ensure that any oily mixture discharged into the sea after
passing through the system has an oil content not exceeding 15 ppm.
- Any Ship
GT >= 10000 shall be equipped as per above paragraph.
But in addition, it shall be provided with alarm arrangements
to indicate when this level cannot be maintained. The system shall also be
provided with arrangements to ensure that any discharge of oily mixtures
are automatically stopped when the oil content of the
effluent exceeds 15 ppm.
- Ships GT <
400 GT,
to retain on board oil or oily mixtures for
subsequent discharge to reception facilities if vessel en-route, OWS
operated @ 15 ppm restriction, oily mixture does not originate from
cargo pump-room bilges on oil tankers
Regulation 15: Control of discharge of oil
- Discharges
Outside Special Areas
Ships GT
>= 400 prohibited to discharge oil unless,
- Ship En-Route
- Oily mixture is
processed through OWS @ ppm <= 15
- Oily mixture
does not originate from cargo pump-room bilges on oil tankers
- Oily mixture, in
case of oil tankers, is not mixed with oil cargo residues
- Discharges
in Special Areas
Ships GT
>= 400 prohibited to discharge oil unless,
- Ship En-Route
- Oily mixture is
processed through OWS @ ppm <= 15
- OWS to be
equipped with 15 ppm Alarm and automatic stopping arrangement
- Oily mixture
does not originate from cargo pump-room bilges on oil tankers
- Oily mixture, in
case of oil tankers, is not mixed with oil cargo residues
-
- In respect of
the Antarctic area, any discharge into the sea of oil or oily mixtures
from any ship shall be prohibited
- If there are
visible oil traces on surface of sea water, then Govt of parties to this
convention must inspect the cause & contentment of such cause.
- No chemical to
be discharged in any way in any concentration (hazard to marine ecology)
-
- The oil residues
which cannot be discharged into the sea in compliance with this regulation
shall be retained on board for subsequent discharge to reception
facilities
Regulation 16: Segregation of oil and water ballast and carriage of
oil in forepeak tanks
- Ship GT >=
4000 (delivery 31 Dec 79), Oil Tanker >= 150 (delivery after 31 Dec
79), no ballast water shall be carried in any oil fuel tank.
- Contaminated
Ballast Water to discharge to Shore Facility and entry made in ORB-1.
- After 1 July
1982, oil shall not be carried in a forepeak tank or a tank forward of the
collision bulkhead
Regulation 17:
Oil Record Book Part I - Machinery space operations
- Oil Tanker GT
>= 150, Other Ship GT >= 400, shall be provided with an Oil Record Book Part
I (Machinery space operations).
-
- The Oil Record
Book Part I shall be completed on each occasion, on a tank-to-tank basis
if appropriate, whenever any of the following machinery space operations
takes place in the ship:
- ballasting or
cleaning of oil fuel tanks
- discharge of
dirty ballast (cleaning water) from oil fuel tanks
- collection and
disposal of oil residues (sludge)
- discharge of
bilge water to sea/shore facility
- bunkering of
fuel or bulk lubricating oil
- internal
tank-tank transfers
- In case of
accidental discharge of oil, and report must be attached in ORB-1 stating
the reasons for such discharge.
-
- Each completed
operation shall be signed by the officer or officers in charge of the
operations concerned and each completed page shall be signed by the master
of ship.
- Any failure of
the oil filtering equipment shall be recorded in the Oil Record Book Part
I.
Chapter 4 - Requirements for the cargo area of oil tankers
Regulation 18:
Segregated
ballast tanks
Regulation 19: Double hull and double bottom requirements for
oil tankers
Regulation 20: Double hull and double bottom requirements for oil tankers
-
- The
Administration may allow continued operation of a Category 2 or 3 oil
tanker of 15 years and over after the date of its delivery, if
satisfactory results of the Condition Assessment Scheme warrant
that, in the opinion of the Administration, the ship is fit to continue
such operation, provided that the operation shall not go beyond the
anniversary of the date of delivery of the ship in 2015 or the date on
which the ship reaches 25 years after the date of its delivery, whichever
is the earlier date.
Regulation 21: Prevention of oil pollution from oil tankers carrying
heavy grade oil as cargo
- For the purpose
of this regulation heavy grade oil means any of the following:
- Crude oils
having a density at 15°C higher than 900 kg/m3
- Oils, other than
crude oils, having either a density at 15°C higher than 900 kg/m3 or a
kinematic viscosity at 50°C higher than 180 mm2/s
- If an oil tanker
of 600<= GT < 5000, GT >= 5000 has satisfactory CAS, then it shall
be allowed to carry heavy grade oil of 900 <= density <= 945 (kg/m3)
until it reaches the age of 25 years from the date of its delivery.
- Admin has right
to void the above said statement at any time if not satisfied.
- Govt of any
Party to the Convention, shall prohibit the entry of a vessel as said in
the above para, on the grounds of safety of their property.
Regulation 22: Pump-room bottom protection
-
- This regulation
applies to oil tankers of 5,000 tonnes deadweight and above constructed on
or after 1 January 2007.
-
- The pump-room
shall be provided with a double bottom such that at any cross-section the
depth of each double bottom tank or space shall be such that the
distance h between the bottom of the pump-room and the
ship's baseline measured at right angles to the ship's baseline is not
less than h = 1 m (min).
Regulation 23: Accidental oil outflow performance
Regulation 24: Damage assumptions
Regulation 25:
Hypothetical outflow of oil
Regulation 26:
Limitations of size and arrangement of cargo tanks
Regulation 27:
Intact stability
Regulation 28:
Subdivision and damage stability
Regulation 29: Slop tanks
- Oil
Tankers GT >= 150, slop tanks must be provided.
- The total
capacity of the slop tank(s) shall be minimum 3% of the
oil-carrying capacity of the ship.
- Adequate means
shall be provided for cleaning the cargo tanks and transferring the dirty
ballast residue and tank washings from the cargo tanks into a slop tank.
- Slop tanks shall
be so designed, particularly in respect of the position of inlets,
outlets, baffles or weirs, so as to avoid excessive turbulence and
entrainment of oil or emulsion with the water.
- Oil tankers GT
>= 70000 (delivery 31 Dec 79) must have at least 2 slop tanks.
Regulation 30: Pumping, piping and discharge arrangement
- In every oil
tanker, a discharge manifold for connection to reception facilities shall
be located on the open deck on both sides of the ship.
- Oil Tanker GT
>= 150, pipelines for the discharge to the sea of ballast water or
oil-contaminated water from cargo tank areas shall be led to the open
deck or to the ship's side above the waterline in the deepest ballast
condition. Means shall be provided for stopping the discharge into
the sea.
- Every oil tanker
delivered after 1 June 1982, required to be provided with segregated
ballast tanks or fitted with a crude oil washing system.
- On every oil
tanker at sea, dirty ballast water or oil-contaminated water from tanks in
the cargo area, other than slop tanks, may be discharged by gravity below
the waterline, provided that sufficient time elapsed in order to allow
oil/water separation to have taken place and the ballast water been
examined immediately before the discharge with an oil/water interface
detector.
- Every oil tanker
of 150 gross tonnage and above delivered on or after 1 January 2010, which
has installed a sea chest that is permanently connected to the cargo
pipeline system,shall be equipped with both a sea chest valve and an
inboard isolation valve. In addition to these valves, sea chest shall be
capable of isolation from the cargo piping system,while the tanker is
loading, transporting,or discharging cargo by use of a positive means.
Regulation 31:Oil discharge monitoring and control
system
- Oil tankers of
150 gross tonnage and above shall be equipped with an oil discharge
monitoring and control system.
- The
system shall be fitted with a recording device to provide a continuous
record of the discharge in litres per nautical mile and total quantity discharged,
or the oil content and rate of discharge. This record shall be
identifiable as to time and date and shall be kept for at least three
years.
- The oil discharge
monitoring and control system shall come into operation when there is any
discharge of effluent into the sea and shall be such as will ensure that
any discharge of oily
- mixture is
automatically stopped when the instantaneous rate of discharge of oil
exceeds that permitted by Admin
- Instructions
as to the operation of the system shall be in accordance with an
operational manual approved by the Administration. They shall cover manual
as well as automatic operations and shall be intended to ensure that at no
time shall oil be discharged
Regulation 32: Oil/water
interface detector
·
Oil
tankers of 150 gross tonnage and above shall be provided with effective
oil/water interface detectors approved by the Administration for a rapid and
accurate determination of the oil/water interface in slop tanks and shall be
available for use in other tanks where the separation of oil and water is
effected and from which it is intended to discharge effluent direct to the sea.
Regulation 33: Crude oil washing requirements
·
Every crude oil tanker, DWT
> 20000 (delivery 1 June 1982) shall be fitted with a cargo
tank cleaning system using crude oil washing.
Regulation 34: Control of discharge of oil (For Oil Tankers)
Discharges outside special
areas
Any discharge into the
sea of oil or oily mixtures from the cargo area of an oil tanker shall be
prohibited except when all the following conditions are satisfied:
· the
tanker is not within a special area;
· the
tanker is more than 50 nautical miles from the nearest land;
· the
tanker is proceeding en route;
· the
instantaneous rate of discharge of oil content does not exceed 30 litres per
nautical mile;
· the
total quantity of oil discharged into the sea does not exceed for:
1.
Old
Tankers (delivery on/before 31 Dec 79), 1/15000 of total particular cargo
2.
New
Tankers (delivery post 31 Dec 79), 1/30000 of total particular cargo
·
the
tanker has in operation an oil discharge monitoring and control system and a
slop tank arrangement
Discharges in special areas.
Any discharge into the
sea of oil or oily mixture from the cargo area of an oil tanker shall be
prohibited while in a special area
The provisions of above
para shall not apply to the discharge of clean or segregated ballast.
Regulation 35: Crude oil washing operations
· Every
oil tanker operating with crude oil washing systems shall be provided with an
Operations and Equipment Manual detailing the system and equipment and
specifying operational procedures. If an alteration affecting the crude oil washing
system is made, the Operations and Equipment Manual shall be revised
accordingly.
Regulation 36: Oil Record Book
Part II - Cargo/ballast operations
· Every
oil tanker of 150 gross tonnage and above shall be provided with an Oil Record
Book Part II (Cargo/Ballast Operations).
·
The
Oil Record Book Part II shall be completed on each occasion, on a tank-to-tank
basis if appropriate,whenever any of the following cargo/ballast operations
take place in the ship:
.1 loading
of oil cargo;
.2 internal
transfer of oil cargo during voyage;
.3 unloading of oil
cargo;
.4 ballasting of cargo
tanks and dedicated clean ballast tanks;
.5 cleaning of cargo
tanks including crude oil washing;
.6 discharge
of ballast except from segregated ballast tanks;
.7 discharge of water
from slop tanks;
.8 closing
of all applicable valves or similar devices after slop tank discharge
operations;
.9 closing of valves
necessary for isolation of dedicated clean ballast tanks from cargo and
stripping
lines after slop tank
discharge operations; and
.10 disposal
of residues.
· The
total quantity of oil and water used for washing and returned to a storage tank
shall be recorded in the Oil Record Book Part II.
· In the event
of accidental or other exceptional discharge of oil not excepted by that
regulation, a statement shall be made in the Oil Record Book Part II of the
circumstances of, and the reasons for, the discharge.
· Each Ops
recorded and signed by Duty Engineer and each completed page signed by Master
of the vessel.
· OWS
failure to be recorded in ORB-II
· Readily
available for inspection
Regulation 37: Shipboard oil pollution emergency plan
Every oil tanker of 150
gross tonnage and above and every ship other than an oil tanker of 400 gross
tonnage and above shall carry on board a shipboard oil pollution emergency plan
approved by the Administration.
· The plan
shall consist at least of the
procedure to be followed by the master or other persons having charge of the
ship to report anoil pollution incident
· the list
of authorities or persons to be contacted in the event of an oil pollution
incident
· a detailed
description of the action to be taken immediately by persons on board
· the
procedures and point of contact on the ship for coordinating shipboard action
with national and local authorities in combating the pollution.
· In the
case of ships to which regulation 17 of Annex II of the present Convention also
applies, such a plan may be combined with the shipboard marine pollution
emergency plan for noxious liquid substances required under regulation 17 of
Annex II of the present Convention.
· All oil
tankers of 5,000 tonnes deadweight or more shall have prompt access to
computerized shore based damage stability and residual structural strength
calculation programs.
Chapter 6 -
Reception facilities
Regulation 38: Reception facilities
· The
Government of each Party to the present Convention undertakes to ensure the
provision at oil loading terminals, repair ports, and in other ports in which
ships have oily residues to discharge, of facilities for the reception of such
residues and oily mixtures as remain from oil tankers and other ships adequate
to meet the needs of the ships using them without causing undue delay to ships.
· For special areas, the
Government of each Party to the present Convention having under its
jurisdiction entrances to seawater courses with low depth contour which might
require a reduction of draught by the discharge of ballast shall ensure the
provision of the facilities referred to in paragraph 4 of this regulation but
with the proviso that ships required to discharge slops or dirty ballast could
be subject to some delay.
Regulation 39: Special
requirements for fixed or floating platforms
Chapter
8 - Prevention of pollution during transfer of oil cargo between oil tankers at
sea (new)
Regulation 40: Scope of application
·
Applicable to Oil Tankers, GT >= 150
·
For
tankers engaged in the transfer of oil cargo between oil tankers at sea (STS operations)
·
Not
apply to oil transfer operations associated with fixed or floating platforms
including drilling rigs
·
The
regulations contained in this chapter shall
not apply to bunkering operations
·
Does
not apply, if done to save life at sea or safety of ship
·
Does
not apply to Naval Ship
Regulation 41: General rules on safety and environmental protection
·
Every vessel must
carry a STS Ops plan. This must be in working language of the ship.
·
It must be
presented before first, annual or intermediate survey when held >= 1 Jan 11
·
The STS Plan may
be incorporated in the SMS of the vessel as per SOLAS Ch IX
·
The
person in overall advisory control of STS operations shall be qualified to
perform all relevant duties, taking into account the qualifications contained
in the best practice guidelines for STS operations
Regulation 42: Notification
·
Each
oil tanker subject to this chapter that plans STS operations within the territorial
sea, or the exclusive economic zone of a
Party to the present Convention shall notify that Party not less than 48 h in
advance of the scheduled STS operations.
·
The
notification must include the following info:
1. Name, flag, call sign,
IMO Number and estimated time of arrival of the oil tankers involved in the STS
operations
2. Date and Time of Ops
including the geographical location
3. Whether STS Ops to be
done at anchor/underway
4. Type of oil to be
transferred
Chapter 9 - Special
requirements for the use
or carriage of oils in
the Antarctic area
Regulation 43: Special requirements for the use or carriage of oils in the Antarctic
area
1 With the exception of
vessels engaged in securing the safety of ships or in a search and rescue
operation,
the carriage in bulk as cargo or
carriage and use as fuel of the following:
.1 crude oils having a
density at 15°C higher than 900 kg/m3;
.2 oils, other than crude
oils, having a density at 15°C higher than 900 kg/m3 or a kinematic viscosity
at 50°C higher than 180 mm2/s; or
.3 bitumen, tar and their emulsions,
shall be prohibited in the Antarctic
area, as defined in Annex I, regulation 1.11.7.
2 When prior operations
have included the carriage or use of oils listed in paragraphs 1.1 to 1.3 of
this
regulation, the cleaning or flushing of
tanks or pipelines is not required.
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