UTD Journal Volume 1, Issue 3, May 2013 - Page 4

– UTD TECHNIQUES –

ROCK BOTTOM ... ENOUGH GAS TO BRING TWO DIVERS SAFELY TO THE SURFACE .

1 . ALLOW ONE MINUTE AT MAX DEPTH TO HANDLE THE EMERGENCY .
2 . plan ascent AT 30 ’/ 9M PER MINUTE MAKing ALL NORMAL STOPS .
3 . ESTABLISH AVERAGE DEPTH FOR THE TOTAL ASCENT .
4 . ESTABLISH EMERGENCY SAC RATE : 1 CFT / MIN OR 30 L / MIN .
5 . MULTIPLY : ASCENT TIME X AVERAGE DEPTH X SAC RATE X 2 DIVERS =
ROCK BOTTOM VOLUME