Taken from
CASA webiste
10.4.8 Simultaneous Opposite Direction Parallel Runway Operations
10.4.8.1 Simultaneous Opposite Direction Parallel Runway Operations (SODPROPS) may be conducted subject to the following conditions:
(a) runway centrelines are separated by a minimum of 860 M;
(b) operations are conducted in meteorological conditions equal to, or
better than, the minimum radar vectoring level, or the lowest minimum
commencement level for instrument approaches to the arrival runway,
whichever is lower. (without prior approval, the minima shall not be less
than cloud base 2,500 FT and visibility 8 KM, in the arrival and departure sector concerned);
(c) traffic information is passed to conflicting aircraft;
(d) the departure runway course
diverges by 15 degrees from the approach
course to the other runway.