#ndt Registered Marine Surveyor, Nick Vass MIIMS, conducted a recent survey of a 62′ steel Dutch-style narrowboat “Jan van der HrrM” which was constructed in 2005.

The survey took place in drydock, earlier this year, using a Cygnus 4 General Purpose ultrasonic thickness gauge to measure the thickness of the hull’s steel plating, rudder blade and superstructure.

The outside of the hull was coated with primer, epoxy resin and either a gloss paint or bitumen-based blacking anti-fouling paint. Despite wo
Source: NDT