Ok ive been into playing some chevelle and they in some wierd tuning...I wanna learn how to play Send the pain below

Tuning is (low to high) B-F#-B-E-G#-C#

i just tuned my guitar a half step down and then put it into drop d....is that right? If not how do i do it?
MY gear:
Ibanez Jetking II
Ibanez Acustic
Kustom lead III 2x12
Big muff Pi
Dunlop Original Crybaby