Until the other recent thread, I'd never heard of such a procedure. A safe altitude i
For a shutdown should always be 400'. If we can't fly the SID or contingency procedure after EFSD recall, then the chances are the same coud be said for a EFATO (Engine Failure After Take-Off).
I can only speak for my airline. No altitude was specified. As to 400 feet, if memory serves me correctly on the 767: if an engine fire is detected on takeoff after 100 knots, it is not displayed to the crew until passing through 400 feet. At least that is they way it was way back when.