Sliding gate long span

We want to design 64 meters sliding gate of two doors. the right hand side 32 meters and left side 32 meters. each side shall consist of half or more or less + / - sliding and half swing. once the sliding gate opened full then both leaves should swing in one direction inside or out side. gate to be strong industrial standard.
only those to reply who have expereince and are able to design.
thanks waheed