4th MASHCON 2016 (Hamburg)


The 4th MASHCON “Ship Bottom Interaction” will be held from May 23rd to 25th, 2016 in Hamburg, Germany. The conference offers researchers and experts the possibility to discuss the latest developments in research and practice related to ship manoeuvring in shallow and confined water.

Wiertsema & Partners (Semaso bv) will be presenting a publication at the conference based on the field trials performed in Delfzijl; “Manoeuvring with negative underkeel clearance: 2nd full scale field test in the port of Delfzijl”.


New policy related to maximum draft in the outer harbour of Delfzijl

As of 1st May 2016 a new policy will be into force in the outer harbour of Delfzijl for vessels with a maximum length overall of 150 meters.

Over the past few years a study has been performed on the subject of sailing above and in silty water in the Zeehavenkanaal of Delfzijl. This study has been performed by the Waterbouwkundig Laboratorium and Universiteit of Gent and Wiertsema and Partners, on behalf of Groningen Seaports with the assistance of the Regional Pilot Association RLCN. After extensive simulations and full scale field tests in the harbour, it has been established that under certain conditions, it is safe to navigate above and even in the floating silt layer with an under keel clearance (UKC) of less than 10% of the draft to this layer.


First part of ‘Markerwadden’ above water

The first part of the Markerwadden is above water, a new group of island in the Markermeer. Since the end of April Natuurmonumenten en Rijkswaterstaat started with the reclamation of the islands.