More radical union rejects 8% wage rise offer accepted by rival NUM.
Brig. Gen. Xolani Mabanga says there are currently no "offensives" by either side.
Tens of thousands striking for higher wages in latest blow to industry.
Anti-apartheid icon's health remains critical and sometimes unstable.
Zuma admits that the former leader requires medical intervention.
President's office said the $40 million deployment will end March 31, 2014.
Could indicate an out-of-court settlement for the shooting death.
Representatives of the two families were in contact, possibly over an out-of-court settlement.
Oscar Pistorius was indicted on a charge of murdering his girlfriend, and prosecutors said witnesses heard a woman screaming before the sound of fatal gunshots fired by the double-amputee Olympian.
Olympian's trial begins March 3 in shooting death of his girlfriend.