NEWS
Chemco Complete Major Refurbishment Project

The ballast tanks (over 35,000m²) on board a crude oil tanker were suffering from severe corrosion damage. The vessel went to dry-dock in September 2016 to undergo major refurbishment works.

Due to other ongoing refurbishment works going on throughout the vessel, there could be no disruption to these services. Grit blasting was therefore not allowed to be utilised and a solvent-free coating solution had to be used.

The corroded and damaged areas which were to be coated were High Pressure Water Jetted (HPWJ) to prepare the surface for application. Hard to reach and inaccessible areas were mechanically prepared.

Prior to coating application, the substrate was fresh water washed to remove any surface contamination.

Two spray coats of solvent-free, wet & rust tolerant epoxy Epo-chem™ RS 500P were applied. Between these coats, a stripe coat of Epo-chem™ RS 500P was applied to all bar edges, welds, scallops and inaccessible areas.

By using this unique combination of water jetting and a solvent-free coating system, substantial time and cost savings were achieved. As no other ongoing trades were affected during the ballast tank refurbishment process, further time and cost savings were also obtained by the ship’s owner.

The following benefits can be achieved by utilising this revolutionary coating technology:

  • Solvent-free
  • Wet & rust tolerant
  • No grit blasting requirements
  • Quick return to service (coating systems can ‘continue to cure’ underwater)
  • Tanks can begin to ballast after only a few hours
  • No disruption to other ongoing maintenance work (including hot work)
  • No re-coating limitations
heavily rusted tank internals

Before Surface Preparation

freshly painted grey tank internals

Completed Application

2019-04-30T16:51:30+01:00

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