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Structural Steel

OVERVIEW:    Highly corroded carbon steel decks would have taken 12 months to re-surface with riding crew permanently on board. Corrosion would have re-appeared upon completion under high humidity and rain conditions. Chemcote applied wet & surface tolerant coatings with minimal disruption to the everyday activities

INDUSTRY

ENVIRONMENT

Hot and humid, sea mist

SUBSTRATE

Structural Steel

CHALLENGE

Highly corroded carbon steel decks would have taken 12 months to re-surface with riding crew permanently on board. Corrosion would have re-appeared upon completion under high humidity and rain conditions.

SOLUTION

Chemcote’s application of wet & surface tolerant coatings was carried out with minimal disruption to the everyday activities and came with a 10 year warranty, much to the rig manager and asset owner’s satisfaction

SCOPE

15,000 – 19,000 psi water blast with small footprint machine

Wet abrasive blasting to reduce metallic salt content

Perforations were found in accommodation quarters and other critical areas

Applied 1 coat RS 500P and laminated using 600gm/m2 multi-directional matting

Applied 1 coat RA 500M with a nominal thickness of 500μm—700μm

OUTCOME

Application was complete within client’s time frame, and asset owner also saved 12 months of downtime and repetitive painting costs. Chemcote has been awarded continuous work on the rest of the problem areas and other rigs from the same client.

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