Claremorris 40m by 20m Filtration layer has finished being installed. Silica sand is to be installed today. Technorati Tags: claremorris,40m by 20m,arena Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Posted in ARENA CONSTRUCTIONS and tagged 40m by 20m, arena -construction, claremorris.