CMA CGM Benjamin Franklin

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CMA CGM Benjamin Franklin.jpeg
CMA CGM Benjamin Franklin at Port of Los Angeles
History
NameBenjamin Franklin
Namesake Benjamin Franklin
OwnerCHC Second Shipping SA
Operator CMA CGM
Port of registry London, Civil Ensign of the United Kingdom.svg  United Kingdom [1]
BuilderShanghai Jiangnan Changxing Heavy Industry, China [1]
Yard numberH6003
Completed4 December 2015 [1]
In service2015
Identification
StatusIn service
General characteristics [1]
Type Container ship
Tonnage
  • 178,228  GT
  • 116,356  NT
  • 185,000  DWT
Length399.2 m (1,310 ft)
Beam54 m (177 ft)
Height60 m (197 ft), 70 m (230 ft) over antennae. [2]
Draft16 m (52 ft)
Depth30.2 m (99 ft)
Installed power MAN B&W diesel engine, (63,910 kW)
PropulsionSingle shaft; screw propeller Solid
Speed22.9 knots (42.4 km/h; 26.4 mph)
Capacity18,000  TEU, Refrigerated connections 1,500 [2]
Crew27 [3]
The CMA CGM Benjamin Franklin leaves the port of Hamburg in July 2016 Container ship CMA CGM Benjamin Franklin starting port of Hamburg in July 2016.jpg
The CMA CGM Benjamin Franklin leaves the port of Hamburg in July 2016

CMA CGM Benjamin Franklin is an Explorer class containership built for CMA CGM. Delivered in November 2015, [3] she is named after Benjamin Franklin, one of the Founding Fathers of the United States. She is one of the largest container cargo vessels, capable of carrying 18,000 TEU.

Contents

Routes

The December 26, 2015 arrival at the Port of Los Angeles [3] marked the first time a ship of this size had been used in North America - previous routes for a ship this large were only from Asia to Northern Europe. Benjamin Franklin is about a third larger than the biggest container ships that typically visit the deep water ports of southern California. [4] After departing Long Beach, she traveled north along the West Coast of the United States, arriving at the Port of Oakland near San Francisco on December 31, [5] and at the Port of Seattle on February 29, 2016. [6] The U.S. tour was short-lived, however, as CMA CGM postponed deployment of megaships to the West Coast in May 2016, citing a lack of demand. [7]

In regard to U.S. port infrastructure, Marc Bourdon, president of CMA CGM American operations, states that while some ports are ready, most ports would have difficulty with such a large ship, and that ports would need to be modified before permanent large-scale implementation could commence. One such necessary modification is for the terminal cranes to be able to reach containers stacked to the full capacity of 10 high. [3]

Engine

The Benjamin Franklin is propelled by a MAN B&W 11S90ME-C9.2, a low speed, two-stroke diesel engine. The MAN B&W 11S90ME-C9.2 was designed in house by MAN B&W with the goals of the lowest possible operational costs and fuel consumption at any load and any prevailing condition. MAN B&W ME engines have design and performance characteristics in order to comply with International Maritime Organization Tier II emission regulations.

Concept of engine control system

This engine has electronic hydraulic activation in order to increase flexibility with regard to fuel injection and exhaust valve activation. These two factors are adjusted in order to match operating conditions that a ship may be under. This electronic control of the start to finish of the combustion process is known as the Engine Control System. Fuel injection controls the speed in which the engine will be operating at, while the exhaust valves control the exit of combustion gases from the cylinder. The actuators for fuel injection and the exhaust valves are electronically controlled by the Engine Control System. For fuel injection, a plunger powered by a hydraulic piston is started with oil pressure. Oil pressure is regulated by a valve that is electronically controlled through the Engine Control System. Exhaust valves are opened by a two-stage exhaust valve actuator which is activated by oil delivered from an electronically controlled valve. By controlling these valves electronically, the combustion process is fully controlled by the Engine Control System. [8]

Intake and exhaust air

Cylinder

The frame of the cylinder is cast and fitted with access covers for the routine cleaning of the scavenge ports on the cylinder liner, a unique characteristic of two-stroke engines. The cylinder liner is produced with alloyed cast iron and contains scavenge ports as well as drilled holes for lubrication. [8]

Scavenge air system

Air intake takes directly from the engine room to the turbocharger fitted to the engines. From the turbocharger, air is sent to be cooled through a sea water cooler then stored in a scavenge air receiver. This air is then sent to the scavenge ports on the cylinder liners. [8]

Exhaust gas system

Exhaust from the exhaust valves are sent to a receiver to equalize the different pressures produced from each cylinder. The exhaust gases are then sent through turbochargers. [8]

Environmental initiatives

The CMA CGM Benjamin Franklin was designed to meet CMA CGM's goals of a sustainable policy that aims to reduce greenhouse gas emissions and the protection of biodiversity. CMA CGM was able to improve its Carbon dioxide emissions by 50% since 2005. [9]

Limited greenhouse gas emissions

Biodiversity preservation

Issues of vessel size

Vessel size transformation

The initial deployment of large container ships was seen in the Asia-Europe trade. In the second half of 2010, the vessels in service with Maersk Line's Asia-Europe trade were 8,500 TEU. By 2013, the vessels in service for the Maersk Line's Asia-Europe trade increased to 18,000 TEU vessels. Until the CMA CGM Benjamin Franklin berthed in the Port of Los Angeles in late 2015, nearly all of the world's largest container ship (18,000+ TEU) were deployed in the Asia-Europe trade. However, 10,000+ TEU vessels represent only 10% of the total global fleet. In comparison, Maersk's Asia-Pacific trade vessels increased from 8,600 TEU to 9,400 TEU in August 2013. [10]

U.S. ports

The average vessel size for U.S. port calls as of 2015 is less than 6000 TEU. However recently in 2016, container ships sizing from 12,000-14,000 TEU have been calling to U.S. ports in California. Notably, the CMA CGM Benjamin Franklin is the largest vessel to ever call to a U.S port. The Federal Maritime Commission has recognized the trend in increasing vessels size and U.S. ports have begun preparation in anticipation of the increased arrival of larger vessels. Major ports in the United States have begun dredging for 50 ft berth/channel depths and heightening their crane fleets in order to accommodate the arrival of larger vessels [10]

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References

  1. 1 2 3 4 "CMA CGM Benjamin Franklin (25629K)". Veristar Info. Bureau Veritas . Retrieved 2015-12-28.
  2. 1 2 CMA-CGM , December 29, 2015
  3. 1 2 3 4 Cox, Martin. Benjamin Franklin gets Hollywood Welcome,Maritime Matters, December 27, 2015
  4. ↑ CBC News Benjamin Franklin's L.A. arrival makes her the biggest ship to come to North America, December 28, 2015
  5. ↑ Nolte, Carl (December 31, 2015). "Biggest cargo ship to ever grace S.F. Bay is here". San Francisco Chronicle . Retrieved February 6, 2017.
  6. ↑ Tu, Janet I. (February 29, 2016). "Massive cargo ship arrives in Seattle's Elliott Bay". The Seattle Times . Retrieved February 6, 2017.
  7. ↑ Phillips, Erica E. (May 9, 2016). "Record-Breaking Container Ship Ends Brief U.S. Service". The Wall Street Journal . Retrieved February 6, 2017.
  8. 1 2 3 4 MAN (2012). "MAN B&W S90ME-C9.2-TII Project Guide Electronically Controlled Two stroke Engines" (PDF).
  9. 1 2 3 4 5 6 7 "CMA CGM Benjamin Franklin". 2015.
  10. 1 2 World Shipping Council (2015). "Some Observations on Port Congestion, Vessel Size and Vessel Sharing Agreements" (PDF).
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