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