Sample SDI Pre- Dive Briefing

Dive Briefing

(Note - delete/shorten Briefing as necessary based on

Training and Conditions!!, to well - make it Brief!!)

Perform Accountability Check!!

Introduce Staff on Boat

Facilities at the Site
Boat Facilities
o Fire Extinguisher
o Remain seated while traveling & mooring
o Marine Radio
o GPS
o Fire Extinguisher
o First Aid Kit
o DAN Oxygen on-board – certified to use

Area in which the diving will occur
Mooring Line Location
History of Site & UW features
Silty Bottom conditions?
Describe the dive site
o Depth to bottom
o Visibility
o Temperature

Profile
Computer dive!!
_____ Max Depth (stay above Instructor/DM)
_____ Bottom Time

Monitor your gas supply – depletes fast at depth – at 99’, use 4x as much
Remember “Rule of Thirds”
First Diver to hit 1,000 PSI indicate to Instructor or DM by signaling
Back on Boat with 500 psi!
NO DECOMPRESSION DIVING – do not exceed NDL!!
Ascent Procedure – max safe rate is 30 feet/second
3-minute safety stop at 15 feet (10 – 20) mandatory - avoid crowding the line

_____ Surface Interval
_____ 2nd Dive Depth
_____ 2nd Dive Bottom Time

Entry and Exit Procedures
Exiting the Boat
o Carry fins to rear of boat, put on before exit
o Wait for DM OK to exit
o Hand on Mask and Regulator
o Hand on Gauges
o Giant Stride
o OK Sign to DM – clear from Boat
o Buddy Teams
o Swim to mooring line & descend when ready
o Wait at Mooring on Bottom for Instructor before proceeding
o Safety Check
Boarding the Boat
o Do not surface under ladder
o OK to DM after surfacing
o Leave Regulator in Mouth, and Mask on until on Boat
o Positive Buoyancy
o Ensure ladder is clear of divers
o Fins on/Fins Off
o DM will help you to your seat
o Bungee Tank
o (Begin prep for next dive & changeover tanks)

Buddy Team Assignments
Buddy Team Assignments – any diver without Buddy?
Buddy Check - Head to Toe
o Mask
o Air On
o Regulator & Alternate Air supply breathe freely
o All Buckles snapped
o Proper weighting.
o BC - Partially Inflated
o Gauges – Air Pressure
o Computer on – and set for proper Gas Mixture

Hazards
Nitrogen Narcosis - impairment
Caution surfacing
Boats in area
Propeller
Current
Surge

Emergency Procedures
If you feel stressed or tired during the dive, notify the Instructor, and turn the dive.
Surface signal – turn dive immediately
Lost Buddy procedures –1 minute search, then surface
While in water - Recall signal – banging on ladder
Problems on surface – get attention of DMAbandon ship