 The tank displays considerable technical innovation and achievement, with the sand and gravel being crushed from rock on site.It is amongst the earliest substantial uses of reinforced concrete in the Northern Territory; it is one of the largest above ground concrete tanks built before the end of World War I, and is of a distinctive rectangular shape

A section of the workforce was also involved at this time in making bricks for the mess and canteen.The clay for the bricks came from an area between the Fannie Bay Gaol and the former Golf Links.