MARPOL annex 1

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The International Convention for the Prevention of Pollution from Ships (MARPOL) is the main international convention covering prevention of pollution of the marine environment by ships from operational or accidental causes.

Chapters:

It has 7 chapters:

SPECIAL AREAS UNDER MARPOL ANNEX 1

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1. ANTARCTIC SEA
2. THE BLACK SEA
3. BALTIC SEA
4. “GULFS” AREA.
5. THE GULF OF ADEN
6. OMAN AREA OF THE ARABIAN SEA
7. THE RED SEA
8. THE MEDITERRANEAN SEA
9. NORTHWEST EUROPEAN WATERS
10. SOUTHERN SOUTH AFRICAN WATERS

Chapter 01: General

Regulation 1 – Definitions

Regulation 2 – Application

Regulation 3 – Exemptions and waivers

Regulation 4 – Exceptions

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; or

This annex shall not apply to the discharge into the sea of oil or oily mixture resulting from damage to a ship or its equipment but reasonable precautions need to be taken after the damage or discovery of the discharge to minimize the discharge

But if the owner or the master willingly and recklessly caused the damage knowing that damage would probably cause the discharge of oil this will not be exempted and necessary actions need to be taken.

This annex shall not apply to the discharge into the sea of substances containing oil, approved by the Administration, to combat specific pollution incidents in order to minimize the damage from pollution.

Chapter 02: Survey and Certifications

Regulation 6 – Surveys

Every oil tanker of 150 gross tonnages and above, and every other ship of 400 gross tonnages and above shall be subject to the surveys specified below

1. An initial survey

 before the ship is put in service or

before the Certificate required (An International Oil Pollution Prevention Certificate) is issued for the first time. It shall include a complete survey of its structure, equipment, systems, fittings, arrangements and material. This survey shall ensure that the structure, equipment, systems, fittings, arrangements and material fully comply with the applicable requirements of this Annex.

2. A renewal survey

at intervals specified by the Administration, but not exceeding 5 years. The renewal survey shall be such as to ensure that the structure, equipment, systems, fittings, arrangements and material fully comply with applicable requirements of this Annex.

3. An intermediate survey

Conducted within 3 months before or after the second anniversary date or within 3 months before or after the third anniversary date of the Certificate.

The intermediate survey shall ensure that the equipment and associated pump and piping systems, including oil discharge monitoring and control systems, crude oil washing systems, oily water separating equipment and oil filtering systems, fully comply with the applicable requirements of this Annex

and are in good working order. Intermediate surveys shall be endorsed on the International Oil Pollution Prevention Certificate.

4. An annual survey

Conducted within 3 months before or after each anniversary date of the Certificate, It includes a general inspection of the structure, equipment, systems, fittings, arrangements and material to ensure that they have been maintained in accordance with this regulation and that they remain satisfactory. Such annual surveys shall be endorsed on the International Oil Pollution Prevention Certificate.

5. An additional survey

Either general or partial, according to the circumstances, shall be made after a repair or whenever any important repairs or renewals are made. The survey shall be such as to ensure that the necessary repairs or renewals have been effectively made. Ensure that material and workmanship of such repairs or renewals are satisfactory. Also ensure the ship complies in all respects with the requirements of this Annex.

Regulation 7 – Issue or endorsement of certificate

An International Oil Pollution Prevention Certificate shall be issued, after an initial or renewal survey to any oil tanker of 150 gross tonnages and above and any other ships of 400 gross tonnages according to provisions of this annex.

The certificate is supplemented by a Record of Construction and Equipment for Ships Other Than Oil Tankers (Form A) or

 Record of Construction and Equipment for Oil Tankers (Form B), as appropriate.

This certificate shall be issued or endorsed by the Administration or any other organization authorized by it.

Regulation 10 – Duration and validity of certificate

An International Oil Pollution Prevention Certificate shall be issued for a period specified by the Administration, which shall not exceed five years.

Chapter-3 Requirements for machinery spaces of all ships

Annex 1 Chapter 3

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Annex 1 chapter 3 is requirements for the machinery space

It has 3 part. Part A B and C

Part A- Construction

Regulation 12 – Tanks for oil residues (sludge)

Every ship of 400 gross tonnages and above shall be provided with a tank or tanks of adequate capacity to receive the oil residues (sludge) resulting from the purification of fuel and lubricating oils and oil leakages in the machinery spaces.

Piping to and from sludge tanks shall have no direct connection overboard, other than the standard discharge connection

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 sludge tanks, both lines shall be fitted with a standard discharge connection of specified dimensions.

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Standard dimensions of flanges for discharge connections

	ISC	Annex 1	Annex 4
Description
Outside Diameter (OD)	178mm	215mm	210mm
Inside Diameter (ID)	64mm	According to pipe, max 125 mm outer dia	According to pipe dia, max 100mm outer dia
Bolt Circle Diameter (PCD)	132mm	183mm	170mm
Slots in Flange	4 holes	6 holes	4 holes
Bolt Hole dia	19mm	22 mm	18mm
Bolt dia	16mm	20 mm	16mm
Flange Thickness	14.5 mm minimum	20 mm	16mm
Bolts & Nuts	4 bolts, 4 nuts	6 bolts, 6 nuts	4 bolts, 4 nuts
Bolt length	50mm	Suitable length	Suitable length
Washers	8 nos	12 nos	8 nos
Pressure	10 bar	6 bar	6 bar

Part B – Equipment

Regulation 14 – Oil filtering equipment

→Any ship of 400 gross tonnages and above but less than 10,000 gross tonnages shall be fitted with oil filtering equipment of a design approved by the Administration. This equipment will ensure that any oily mixture discharged into the sea after passing through the system has an oil content not exceeding 15 parts per million. 

→Any ship of 10,000 gross tonnages and above shall be fitted with oil filtering equipment, of a design approved by the administration and should ensure that

→any discharge of oily mixtures is automatically stopped when the oil content of the effluent exceeds 15 parts per million.

In addition, it shall be provided with alarm arrangements to indicate when this level cannot be maintained.

Ships, such as hotel ships, storage vessels, etc., which are stationary doesn’t need to be provided with oil filtering equipment.

Such ships shall be provided with a holding tank having a volume adequate for the total retention on board of the oily bilge water.

All oily bilge water shall be retained on board for discharge to reception facilities.

Part C- Control of operational discharge of oil

Regulation 15 – Control of discharge of oil

A Discharges outside special areas

Any discharge into the sea of oil or oily mixtures from ships of 400 gross tonnages and above shall be prohibited except when all the following conditions are satisfied:

1. The ship is proceeding en route.
2. The oily mixture is processed through an oil filtering equipment meeting the requirements of this Annex
3. The oil content of the effluent without dilution does not exceed 15 parts per million
4. The oily mixture does not originate from cargo pump-room bilges on oil tankers
5. The oily mixture, in case of oil tankers, is not mixed with oil cargo residues.

B Discharges in special areas

Any discharge into the sea of oil or oily mixtures from ships of 400 gross tonnage and above shall be prohibited except when all of the following conditions are satisfied:

1 The ship is proceeding en route;

.2 The oily mixture is processed through an oil filtering equipment equipped with auto stopping device with alarm system

.3 The oil content of the effluent without dilution does not exceed 15 parts per million;

.4 The oily mixture does not originate from cargo pump-room bilges on oil tankers; and

.5 The oily mixture, in case of oil tankers, is not mixed with oil cargo residues.

Regulation 16 – Segregation of oil and water ballast and carriage of oil in forepeak tanks

For ships above 400 GT other than oil tankers and oil tankers of 150 GT and above no ballast water shall be carried in any oil fuel tank.

When need to carry large quantities of oil fuel and for this purpose need to carry ballast water in fuel tanks such ballast water shall be discharged to reception facilities and an entry shall be made in the Oil Record Book.

For ships of 400 GT and above built after January 1982, shall not carry oil in fore peak tank or forward of the collision bulkhead.

Regulation 17 – Oil Record Book, Part I (Machinery space operations)

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• Every oil tanker of 150 gross tonnage and above and every ship of 400 gross tonnage and above other than an oil tanker 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 whenever any of the following machinery space operations takes place in the ship:
• Ballasting or cleaning of oil fuel tanks;
• Discharge of dirty ballast or cleaning water from oil fuel tanks;
• Collection and disposal of oil residues (sludge and other oil residues);
• Discharge overboard or disposal otherwise of bilge water which has accumulated in machinery spaces; and
• Bunkering of fuel or bulk lubricating oil.
• Accidental discharge and reason for that
• Each operation shall be fully recorded without delay
• Each entry 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.
• Entries should have made in English, French or Spanish
•  Any failure of the oil filtering equipment shall be recorded in the Oil Record Book Part I.
•  The Oil Record Book Part I shall be kept in such a place as to be readily available for inspection at all reasonable times and shall be preserved for a period of three years after the last entry has been made.

Chapter 4: Requirements for cargo areas of oil tankers

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Annex 1 chapter 4 is Requirements for the cargo areas of oil tankers

Part A – Construction

Regulation 30 – Pumping, piping and discharge arrangement

In every oil tanker of 150 gross tonnage and above, a discharge manifold for connection to reception facilities for the discharge of dirty ballast water or oil-contaminated water shall be located on the open deck on both sides of the ship.

And the 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

Part B- Equipment

Regulation 31 – Oil discharge monitoring and control system

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• Oil tankers of 150 gross tonnage and above shall be equipped with an oil discharge monitoring and control system approved by the Administration.
• The system shall be fitted with a recording device to provide a continuous record of the discharge in liters per nautical mile and total quantity discharged, or the oil content and rate of discharge.
• The record shall be identifiable by time and date and shall be kept for at least three years.
• discharge of oily mixture is automatically stopped when the instantaneous rate of discharge of oil exceeds approved level.
• Any failure of this monitoring and control system shall stop the discharge.
• In the event of failure of the oil discharge monitoring and control system a manually operated alternative method may be used, but the defective unit shall be made operable as soon as possible. A tanker with a defective oil discharge monitoring and control system can undertake one ballast voyage but after that must go to a repair port.
•  The system shall be provided with an operational manual approved by the Administration.

Regulation 33 – Crude oil washing requirements

Every crude oil tanker of 20,000 tonnes deadweight and above delivered after 1 June 1982  shall be fitted with a cargo tank cleaning system using crude oil washing. 

Part C – Control of discharge of oil

Regulation 34 – Control of discharge of oil

Any discharge into the sea of oil or oily mixtures from the cargo area of an oil tanker of 150 gross tonnage and above shall be prohibited except when all the following conditions are satisfied: 

1. The tanker is not within a special area.
2. The tanker is more than 50 nautical miles from the nearest land.
3. The tanker is proceeding en route.
4. The instantaneous rate of discharge of oil content does not exceed 30 liters per nautical mile.
5. The total oil discharged into the sea does not exceed 1/30000 of the total quantity of the particular cargo from which the residue formed.
6. The tanker has in operation an oil discharge monitoring and control system.

Regulation 35 – Crude oil washing operations

Every oil tanker operating with crude oil washing systems shall be provided with an Operations and Equipment Manual. This manual shall have details the system and equipment. Also shall have operational procedures. This  manual need be to the satisfaction of the Administration.

Regulation 36 – Oil Record Book, Part II – Cargo/ballast operations

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Every oil tanker of 150 gross tonnage and above shall be provided with an Oil Record Book Part II for Cargo/Ballast Operations.

The Oil Record Book Part II shall be completed on each occasion, on a tank-to-tank basis, 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 after slop tank discharge operations;
.9	Closing of all valves necessary for isolation of dedicated clean ballast tanks from cargo and stripping lines after slop tank discharge operations; and

  .10     Disposal of cargo cleaning residues.  

Chapter 5: Prevention of Pollution Arising from an Oil Pollution Incident

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.