I. CHAMBER SAFETY
A. Standards
1. various codes, references, manuals
2. Navy Manual, Compressed Gas Association
3. National Fire Protection Association 99, Ch 20
B. Fire Safety
1. three factors (flammable materials, oxygen percentage, ignition source)
2. proper clothing, oil – and grease-free environment
C. Electrical safety
D. Fire fighting
1. sand and blankets
2. water
3. extinguishers
E. Gas levels
1. oxygen, use of analyzers, overboard dumps, difference between partial pressure and
percentage
2. CO2, use of analyzers
3. CO and sources near chamber, use of analyzers
F. Noise and ear protection
G. Injuries
1. lifting patients
2. blood pressure cuffs, vials and ampules, mercury thermometers
H. CO2 absorbents and caustic injury
II. CHAMBERS
A. Different types of chambers
B. Factors common to most chambers
1. gas supply
2. intake and exhaust
3. locks
4. valves and gauges
5. communications, lights
C. Gas supplies
1. supplies required for typical treatment
2. running out of gas
III. SAMPLE PRE-DIVE CHECKLIST
A. Chamber exterior and interior
1. damage or tampering
2. odor
3. hatches and seats
4. gauges
B. Gas supply
1. adequate for proposed treatment
2. reserve or secondary supply
3. regulators properly set
4. positions of supply, exhaust, equalizer valves
5. fuel in compressor
C. Electrical
1. lights
2. analyzers, monitors
3. communications
D. Fire
1. suppression materials in place
2. safe clothing, supplies in chamber
E. Scrubbers
1. absorbent supplies
2. proper operation
F. Outside chamber
1. medical kit
2. record-keeping supplies
3. time keeping equipment
4. charts, tables, reference material
IV. POST-DIVE CHECKLIST
A. Chamber
1. clean and air out interior
2. repair damage
3. clean and replace equipment
B. Gas supply
1. all valves in proper condition
2. record gas supplies, refill or recharge
3. regulators properly set
4. fuel compressor, maintenance
C. Electrical
1. make repairs, turn off power
2. leave all equipment ready for next use
D. Fire
1. safe materials in chamber
2. restock fire fighting items
E. Scrubbers
1. replace used absorbent
F. Outside
1. restock medical kit
2. store time keeping, records, logs, etc
V. CHAMBER OPERATION
A. Pressurizing chamber
1. obtaining seal
2. rate of descent
B. Ventilating
1. requirements on various tables
2. maintaining constant depth
C. Decompressing – obtaining desired rate of ascent
D. BIBS system
1. monitoring supplies to BIBS
2. overboard dump
E. Records
1. time keeping
2. log book
F. Communication
1. proper use
2. backup systems