It is elliptical in plan and is NUMBER@1 meters -LRB- NUMBER@2 ft / NUMBER@3 MISC@1 feet -RRB- long , and NUMBER@4 meters -LRB- NUMBER@5 ft / NUMBER@6 MISC@1 feet -RRB- wide , with a base area of .

It is oval shaped , NUMBER@1 meters -LRB- NUMBER@2 ft / NUMBER@3 MISC@1 feet -RRB- long , and NUMBER@4 meters -LRB- NUMBER@5 ft / NUMBER@6 MISC@1 feet -RRB- wide .
