NIF Seminar Presentation

8/11/2019 NIF Seminar Presentation

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CLEAN and CLEAN DESIGN

Environmental Class

Eivind Haugen, Det Norske Veritas

Norske Sivilingenirers Foreningkonomisk og Miljvennlig drift av skip

25. - 26. Januar 2000


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Voluntary Class Notations for Ships which are Designed, Built and

Operated in a way that Gives Additional Protection to the Environment


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CLEAN: Voluntary Class Notation for Deep Sea Transport Vessels which areDesigned, Built and Operated in a way that Gives Additional Protection to theEnvironment


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CLEAN DESIGN: Voluntary Class Notation for Coastal and PassengerVessels which are Designed, Built and Operated in a way that Gives

Additional Protection to the Environment


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Typically CLEAN and CLEAN DESIGN cover:

CLEAN - Marpol Compliance with limited number ofadditional requirements

CLEAN DESIGN - As forCLEAN, but with additionalrequirements, including designrequirements for avoiding andlimiting consequence ofaccidents


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Common requirements

CLEAN and CLEAN DESIGN ISM - To be implementedERS - Vessel included in ERS scheme by IACS member

Ballast water management plan - To be implementedFuel oil management plan - To be implementedGarbage management plan - To be implemented


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Common requirements

CLEAN and CLEAN DESIGN E0/ECO - Technical requirements to be fulfilled Fuel oil - Added substances or chemical waste notpermitted

Antifouling - Limitation in use of TBTDouble skin tankers - All tankers for oil to be arrangedacc. to MARPOL 73/78, Annex I, reg. 13F


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Covers 3 main areas of

environmental concern

Air , operational emissions

Sea , operational discharges

Defensive Design , accident

prevention and

consequence limitation

(Clean Design only)


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Emissions to AIR c over the following systems andpollutants:

Incinerators

PropulsionSystemsNOx and SOx

PowerGeneration

NOx and SOx

CargoEvaporation

Fire Fighting

Refrigerants


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Emissions to AIR:


Propulsion andPowerGenerationSystems

SO x (Diesel engines and boilers):General: CLEAN and CLEAN DESIGN: Max. sulphur in fuel oil onboard 3% (or 12.0 g SO x/kWh)

In port and special areas :CLEAN:Max. sulphur in fuel oil 1.5% (or 6.0 g SO x/kWh) CLEAN DESIGN:

Max. sulphur in fuel oil 0.5% (or 2.0 g SO x/kWh)

NO x (Diesel engines):CLEAN: Acc. to IMO NO x curveCLEAN DESIGN: Acc. to IMO NO x curve, less 40%


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Emissions to AIR:

Incinerators

Refrigerants

All incinerators to be type approved inacc. with IMO MEPC.76(40).CLEAN DESIGN: Incinerator shall beinstalled

CLEAN: Ozone depleting not permitted, e.g.:CFC. (HCFC permitted until 2020.01.01)HFC and Natural refrigerants

CLEAN DESIGN: Natural refrigerants, only


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Emissions to AIR:

Fire Fighting

CargoEvaporation

Vapour Emission Control (Tankers)according to IMO Standards for VapourEmission Control Systems (MSC/Circ.585)

Limit on Global Warming Potential(GWP), more strict requirements forCLEAN DESIGN


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Discharges to SEA c over the following systemsand pollutants:

Sewage System Antifouling Waste and GarbageManagement

Ballast Water

Bilge Water

Cargo andCargo Residues

Fuel / Bunker

Oil


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General: CLEAN and CLEAN DESIGN: Drip/spill trays to be arranged witharrangements for draining. Requirement forspill tray applies also at vent. heads, etc.

Minimum dimensions specified.

CLEAN DESIGN: Drain from spill tray to beof closed type


Discharges to SEA

Fuel/Bunker OilCargo Oil


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Discharges to SEA

Bilge Water CLEAN:15 ppm alarm and automatic stopping deviceaccording to MARPOL 73/78, Annex I, reg.16(2)(5)

CLEAN DESIGN: As for CLEAN . In addition holding tank withfacilities for delivery to shore.


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Discharges to SEA

Sewage System

Waste and GarbageManagement

General: CLEAN and CLEAN DESIGN:Sewage treatment by comminuting/grinding and holdingtank (MARPOL 73/78 Annex IV).CLEAN DESIGN: Grey water holding tank also for greywater on passengerships and ferries.

General: CLEAN and CLEAN DESIGN:Garbage management plan to be prepared and implemented.CLEAN DESIGN: Shall be equipped and arranged for sorting, minimising and

storing garbage prior to incineration or delivery to shore.


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Discharges to SEA

Antifouling

Ballast Water Ballast water management to be implemented according toIMO res. A.868(20), Guidelines for the Control andManagement of Ships Ballast Water to Minimise the Transferof Harmful Organisms and Pathogens.

CLEAN: Non- TBT antifouling on ships flat bottom. Max. TBTleaching rate from antifouling on ships side : 4 gTBT/cm 2/day. No TBT after Jan. 1, 2003.CLEAN DESIGN:

No TBT


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Discharges to SEA

Cargo residues CLEAN:Tanker for Oil: COW requirementsTanker for Chemicals:Max. remaining pollution cat. B: 0.1 m 3Max. remaining pollution cat. C: 0.3 m 3

CLEAN DESIGN: Tanker for Oil: Stricter COW requirementsTanker for Chemicals:Max. remaining pollution cat. B and C:0.05 m 3


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CLEAN DESIGN c overs systems for accident

prevention and consequence limitation such as:

Fuel Tank Arrgt.Hull Subdivision

Redundancy Level

Nautical Equipment


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Alternate means for emergency propulsiontake me home device


CLEAN DESIGN

Nautical Equipment

Redundancy Level

Hull Subdivision

Bridge design and layout complying toDNV Class Notation W1

Double skin giving protective location of all

tanks with liquid cargo and fuel oil.

NIF Seminar Presentation

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