You don't specify what is being borne ( one story, two stories, tributary area, loading conditions, seismic zone, etc, so there's no way to evaluate adequacy ( nor should we be giving specific engineering advice here anyway ).
12.
The River Foyle and tributaries Area of Special Scientific Interest ( ASSI ) includes the River Foyle and its tributaries i . e . that part of the River Finn which is within Northern Ireland, the River Mourne and its tributary the River Strule ( up to its confluence with the Owenkillew River ) and the River Derg, along with two of its sub-tributaries, the Mourne Beg River and the Glendergan River.
