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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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CLEAN and CLEAN DESIGN
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 and CLEAN DESIGN
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 and CLEAN DESIGN
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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CLEAN and CLEAN DESIGN
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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CLEAN and CLEAN DESIGN
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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CLEAN and CLEAN DESIGN
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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CLEAN and CLEAN DESIGN
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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CLEAN and CLEAN DESIGN
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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CLEAN and CLEAN DESIGN
Emissions to AIR:
CLEAN and CLEAN DESIGN
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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CLEAN and CLEAN DESIGN
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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CLEAN and CLEAN DESIGN
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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CLEAN and CLEAN DESIGN
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
CLEAN and CLEAN DESIGN
Discharges to SEA
Fuel/Bunker OilCargo Oil
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CLEAN and CLEAN DESIGN
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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CLEAN and CLEAN DESIGN
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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CLEAN and CLEAN DESIGN
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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CLEAN and CLEAN DESIGN
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 and CLEAN DESIGN
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 and CLEAN DESIGN
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.
Recommended