The Beryl Alpha Gravity Base Platform has operated satisfactorily for the past 11 years and is expected to stay in operation until the year 2017.

The Ballast Water System is a vital part of the platform's oil storage and export equipment. In 1986, during routine pipe inspections in the lower part of the utility shaft, significant defects were discovered which resulted in major refurbishment work.

Innovative designs and working procedures were employed for replacement and reinforced grout encasement of line pipe sections. This paper details the important aspects of this refurbishment work.

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