Select Maritime points out EU red tape makes the Suez Canal de facto ne plus ultra for single hulls. Heightened safety standards that will mean an end to single hulls in Europe from 2018 has left shipowners with little to no choice but to upgrade or reinvest in a fleet with double hulls.

Beyond Vision Aerial notes single hulls are now destined to a life below the Suez Canal. The swift uptake of double hulls, gearing up toward the 2018 deadline, has been an effort led by the oil majors that have ruled out single hulls altogether when trading in and around the Amsterdam-Rotterdam-Antwerp market.

Restrictions on single hulls calling at certain major refiners’ ports and terminals have also played a role in pressuring a market-wide shift to double hulls in advance of the official deadline.

Select Maritime notes single hulls in the market make around 28% of the market share, with double hulls accounting for the remainder. The majors have a lot of power. By the oil majors not accepting single hulls a lot of new double hulls were built. Capacity grew a lot.

Exceptions remain as certain market conditions may limit operations with double hulls and favor those with single hulls. Charterers will also exercise their freedoms to charter single hulls up until 2018, where freight rates are more favorable.

Beyond Vision Aerial points out the reality of switching to the double hull standard is widely accepted, but there are certain waterways where stricter restrictive drafts and low-level bridges makes the use of double hull barges a little more cumbersome. Single hulls predominantly fall under the smaller draft category, making them more convenient for tougher barging conditions. 64% of single hulls have a Length Overall (LOA) measure of less than 86 meters, while only 36% of double hulls fall within this small vessel size grouping. LOA is a key measure that helps to express the overall size of the ship.

The use of a smaller vessel, in particular single hulls, may be warranted when water levels reach extreme levels, as they are better suited to operating under these conditions and could carry a larger load, thus being more cost effective.

Problem will be low water situations, like we have seen in the last two years. Then, with only double hull barges in 2018, the point where you cannot ship anymore, will be there much more often due to draft issues.

With Kaub water levels at 40 cm, like we have seen in the last two years a handful of single hull barges were still in operation to supply the Swiss market whereas double hull barges were not running anymore. Operations were better with single hulls.

The issue isn’t subject to the single and double hulls when Rhine levels are low, it’s more about the size of the vessel. As part of the double hull standardization, the likely fate of the leftover single hull fleet will depend on certain factors.

Certain charterers have strict age restrictions, and since the average age of single hulls is higher, with most built in the 1970s, this limits the benefits of upgrading these single hulls to double hulls. Therefore in many cases, it would warrant scrapping single hull barges instead, and building double hulls from scratch.

Select Maritime says it does not make sense to upgrade the old barges to double hull because of the financial input. Double hulls, in comparison, were mostly built in the last two decades. Furthermore, they are better built and more compact than the older single hulls.

Fully replacing single hulls with double hulls will take time, and many expect a slight shortfall in operational barges come 2018. Since the transition to double hulls is already underway, any supply pressures will be evident during period of stronger demand.

It depends on the market situation. In the middle of the year 2017 with higher demand, we see a first indication for next year regarding the usable numbers of barges. Some shipowners already see some shortages on barges for next year. Gasoline already trades selectively on double hulls in the ARA region, but distillates will be the one to follow once the regulations are enforced.

While traders force some market tightness initially due to the lack of available double hulls, the general consensus is that barge operators have received fair warning and the timeline has been sufficient for the shipping industry to respond in time.

Select Maritime is the leader in canal transits. For more information,  please refer to

Beyond Vision Aerial leads the digitalization of shipping, innovation of droneships, and drone aerial videography. For more information, please refer to


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