▁officially ▁opened ▁in ▁April ▁ 2 0 1 0 . ▁It ▁is ▁the ▁largest ▁arch ae ological ▁urban ▁development ▁completed ▁in ▁Australia ▁of ▁its ▁time . ▁This ▁carefully ▁incorpor ated ▁ret ention ▁and ▁display ▁of ▁the ▁arch ae ological ▁resource ▁including ▁elev ating ▁the ▁building ▁above ▁ground ▁level , ▁re construct ing ▁the ▁original ▁lan ew ays ▁as ▁thorough f ares ▁through ▁the ▁building ▁and ▁site , ▁open ▁void s ▁in ▁the ▁building ▁to ▁view ▁the ▁arch ae ology , ▁and ▁construction ▁of ▁a ▁Big ▁Dig ▁building ▁for ▁education ▁about ▁the ▁dig ▁site . ▁O ng o ing ▁resources ▁were ▁also ▁committed ▁for ▁fund ing ▁further ▁interpretation ▁of ▁the ▁early ▁history ▁of ▁the ▁site . ▁ ▁Description ▁▁ ▁Arch ae ological ▁site ▁containing ▁rem nant ▁struct ural ▁features ▁and ▁depos its . ▁The ▁arch ae ological ▁site ▁is ▁located ▁on ▁the ▁western ▁side ▁of ▁Sydney ▁C ove ▁between ▁C umber land ▁Street ▁and ▁Gl ouc ester ▁Street , ▁between ▁the ▁Australian ▁Hotel ▁to ▁the ▁north ▁and ▁the ▁Job b ins ▁Build ings ▁( and ▁other ▁structures ) ▁adjacent ▁to ▁the ▁C ah ill ▁Express way ▁to ▁the ▁south . ▁ ▁A ▁Youth ▁Host el ▁( Y HA ) ▁is ▁elev ated ▁over ▁the ▁exc av ated ▁arch ae ological ▁site ▁including ▁an ▁arch ae ology ▁education ▁centre ▁and ▁integrated ▁interpretation . ▁The ▁new ▁light - weight ▁building ▁is ▁susp ended ▁above ▁the ▁arch ae ology , ▁supported ▁by ▁a ▁minimal ▁number ▁of ▁pill ars ▁as ▁the ▁result ▁of ▁an ▁innov ative ▁use ▁of