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Recreational Dive Planner - Padi

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Two<br />

Section 27<br />

sure group R (at the end of your first dive) to pressure<br />

group J (at the beginning of your second dive). Find<br />

pressure group R along the diagonal slope of Table 2<br />

and pressure group J along the bottom. Move in from<br />

pressure group R and up from pressure group J until<br />

you find the box where they intersect. There you find<br />

0:35 - 0:40 (Figure 13). Since you’re looking for the<br />

minimum surface interval, your answer is 0:35. You<br />

:<br />

PG SI PG<br />

PG<br />

15ft/5 m stop<br />

15ft/5 m stop<br />

Figure 12<br />

Your dive profile<br />

should now look<br />

like this.<br />

DEPTH<br />

BOTTOM TIME<br />

DEPTH<br />

BOTTOM TIME<br />

RNT<br />

+ ABT<br />

TBT<br />

must wait at least 35 minutes between the two dives<br />

that you planned in this example.<br />

Note that you’ve found the answer for dives planned<br />

to the limits. For conservation, in actually making the<br />

dives, dive for shorter times and/or allow a longer surface<br />

interval so you remain well within RDP limits.

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