Better make sure he dusts off his couplers and colloid mill then.It can be done without all of the couplers and colloid mill, but is going to require the unique processing chemistry.
To quote Vin Diesel in the movie xXx "I live for this sh!t". (Well, not me, but him - ah stuffit, you know what I mean)And the design stages of the film are very intensive to get things right.
That dye is not that difficult to acquire, but to quote the builder... "There are more methods of skinning cats".you need a very particular dye for the cyan layer that will not wash out until the silver is bleached away.
I will see if I can get some photos of his preparation gear today or tomorrow.