Fabric Maintenance on FPSO

Overview

iasgroup was engaged to undertake fabric maintenance of the main deck, process decks and support structures on an FPSO in the north west of Australia. These areas required remediation where it had been established that the existing coating system had broken down.

Scope

The project had the following specifications:

Structure	FPSO - Decks & Supports
Application Type	Blast and coating application
Operating Environment	Offshore
Remediation Area	800m2 (initial scope)
Surface Preparation	Sa2.5 & WJ-2
Method	UHP Water Jetting Low Dust Dry Abrasive Blasting - SpongeJetTM Protective Coatings

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Solution

• IAS UHP Water Jet Mower to achieve high rates of existing damaged deck coating removal
• SpongeJet low dust abrasive blasting to remove existing damaged coating system, rust, contaminants and to create the surface cleanliness of Sa2.5 and profile of 80microns
• Airless spray application of protective coating
• Two rotating teams of experienced offshore specialist UHP water jetting, SpongeJet low dust blasting and coating technicians

Benefits

• UHP mower water jetting operations increased productivity rate by 2.5 times per square meter
• SpongeJet provided environmentally friendly and lower cost option when compared with traditional garnet blasting
• SpongeJet allowed for other operations to take place nearby if required
• Customised ITP developed with client and 3rd party representatives ensured highest standards of QA and QC were maintained
• Experienced NACE qualified project coordinators with the ability to provide feedback regarding ongoing coating inspection and recommend changes in scope
• iasgroup technicians received 7 client Safety Awards for contributions to operational safety on-board