machu in situ preservation

MACHU In Situ Preservation

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In Situ Preservation

In many international agreements on (underwater) archaeology, “in situ protection” is the first option to consider. This is the case with the ICOMOS-charter of 1996, the Malta or Valletta Treaty of 1992 and the UNESCO-Convention on UCH 2001. With the in situ preservation we create an archive underwater that can be used for future research, but that also can be used to draw the attention from the (general) public on the rich source of information that is still buried under the seabed.

During the MACHU project we will present more information on in situ preservation on this page.
The BZN 10 wreck (just like other wrecks in the Burgzand Area) has been physically protected to ensure its value for maritime history for the coming years. The whole site (and more), approximately 4000 square metres, is covered with polypropylene nets (50% density).
These nets are placed loosely on the wreck site to capture the sand that is moved up and down the seabed by the tidal currents and create an artificial mount in which the wreck is kept in an anaerobic environment.
This mount stops abrasion, under scouring and the attack by woodborers. Because the mount is sloping, fishing nets are not caught in wreck parts.

In situ preservation after one week

In situ preservation after one year