The reef will be engineered to remain stable in all sea conditions, with the reef crest level fixed in relation to mean sea level.
Steel is a material widely used in offshore/marine construction and can be prefabricated to any shape and structurally engineered for any purpose.
![OSReng01-700](http://offshoresurfreefs.com/wp-content/uploads/2014/11/OSReng01-700.jpg)
![OSReng02-700](http://offshoresurfreefs.com/wp-content/uploads/2014/11/OSReng02-700.jpg)