Please see this video that elaborates on the 3rd Temple preparation:
Please see the following link for vast information regarding the amazing discoveries and the manufacture of the Third Temple artifacts as well as an embedded video regarding the priests'school:
They have not announced that they have a pure red heifer, but this may possibly for protection of the animal.
The mere fact that they were planning the resumption of sacrifices this past Spring appears as though they would have to have a pure red heifer, as its ashes are needed for purification for service in the Temple. If this is indeed the case, the 3rd Temple is completely ready to go!