The Facts about Water Tank Diving Evaluations Jennifer Coon, CSP, CHMM, CET Safety Director Tank Industry Consultants
The Facts about Water Tank Diving Evaluations
Jennifer Coon, CSP, CHMM, CETSafety Director
Tank Industry Consultants
OSHA Regulation
Tank Industry Consultants
2
Contributing FactorsDiver Fatalities - 2008 to 2013
1. Insufficient Number of Dive Team Members 2008 to 2013 - 54 Diver Fatalities 24 Due to Insufficient Number of Dive Team
Members2. Physical Condition of Diver
Office of Maritime EnforcementSteve Butler
February 2014
Ranked in Order of Frequency
Tank Industry Consultants
3
Contributing FactorsDiver Fatalities - 2008 to 2013
3. Equipment Malfunction Leading Cause of Malfunction – Improper
Maintenance4. Training Deficiencies Failure to Recognize and Avoid Underwater
Hazards Poor Response when Hazards Encountered
5. Differential PressureOffice of Maritime Enforcement
Steve ButlerFebruary 2014
Ranked in Order of Frequency
Tank Industry Consultants
4
Contributing FactorsDiver Fatalities - 2008 to 2013
6. Entanglement7. Entrapment8. Explosion9. AGE (arterial gas embolism) /
Decompression Sickness
Office of Maritime EnforcementSteve Butler
February 2014
Ranked in Order of Frequency
Tank Industry Consultants
5
Qualifications – What to Ask
Divers’ qualified to perform water tank and coating evaluations
Divers’ properly certified Divers’ training records Copies of Company and Personal Dive Logs Divers’ retain current CPR/1st Aid/O2 administration
training Divers’ have current Accident Management Training Examples of previous site-specific dive plans available
Tank Industry Consultants
6
Qualifications – Know Water Tanks?
Tank Industry Consultants
7
Selecting a Storage Tank Engineer/Inspector
AWWA M42 Registered Professional Engineer with
♦extensive experience in water storage tank engineering and inspection
♦experienced personnel
Tank Industry Consultants
8
Selecting a Storage Tank Engineer/Inspector
Extensive knowledge of ♦industry standards♦traditional engineering disciplines♦specialized training♦tank construction practices♦surface cleaning and cleanliness standards
Tank Industry Consultants
9
Selecting a Storage Tank Engineer/Inspector
Effective communications skills to♦interpret specifications♦resolve potential issues
Climbing abilities and knowledge of ♦proper rigging♦safety practices♦respect for heights
Tank Industry Consultants
10
Ask Prospective Consultants…
Number of Years Inspecting Tanks Registered Professional Engineer on Staff? Water Industry Involvement Number of Tanks Inspected Annually
Tank Industry Consultants
11
OSHA RequiresVerification of Competency
12
Qualifications Diver Properly Certified?
Tank Industry Consultants
13
QualificationsCompany and Personal Training Records
Tank Industry Consultants
14
QualificationsCompany & Personal Dive Logs
Tank Industry Consultants
15
Dive Logs
Should be 2 types “COMPANY” and “PERSONAL”
Must be current List at least last 12 months of dive activity Ensure dive experience is realVerify that personnel are not subject to
unsafe dive practices
Tank Industry Consultants
16
QualificationsAccident Management Training
Divers Alert NetworkTank Industry Consultants
17
QualificationsCPR/1st-Aid/O2
Tank Industry Consultants
18
QualificationsDive Plans
Tank Industry Consultants
19
Site-Specific Dive Plan
Anticipated High-Risk ActivitiesCrew Roles and ResponsibilitiesRequired Equipment Emergency Planning Locations of Nearest Hospitals and
Monoplace Hyperbaric Chambers Safety Data Sheets (SDS)Address other safety hazards
Tank Industry Consultants
20
High-Risk Activities
Tank Industry Consultants
21
Crew Roles and Responsibilities
Tank Industry Consultants
22
Team Size
Tank Industry Consultants
23
Dive Team Size
Minimum of 4 Certified Commercial Divers Enough Equipment On Site to Suit Up 3
Divers 2 Divers in Water 2 Tenders Dive Supervisor or Designated Person in
Charge
Tank Industry Consultants
24
Required Equipment
Tank Industry Consultants
25
Equipment Check List Two-Way Communication Radios w/ Tether Line Buoyancy Compensators (BCD) Personal Fall Arrest Equipment Full Face Masks Dry Suits Main Air Tanks, Emergency Air Tanks, BCD Air Tanks Dive Tables Weights Bag-Type Manual Resuscitate w/ Mask and Tubing Emergency O2 Tank Tarps Raft Disinfectant Safety Goggles Chemical Gloves Tank Industry Consultants
26
Emergency Planning
Tank Industry Consultants
27
Nearest Hospital and Monoplace Hyperbaric Chamber
Tank Industry Consultants
28
Safety Data Sheet (SDS)
Tank Industry Consultants
29
Additional Hazards to Address in Dive Plan
Permit-Required Confined Space Lockout-TagoutDisinfection LaddersWalking/Working Surfaces Physical Hazards
Tank Industry Consultants
30
Permit-Required Confined Space
Written program Employee trainingDesignated crew roles/responsibilities Emergency response PermitsContinuous air monitoring
Tank Industry Consultants
31
Logout/Tagout
Tank Industry Consultants
32
Logout/Tagout
Tank Industry Consultants
33
Disinfection
Applicable standards:♦AWWA C652 ♦OSHA Hazard Communication 29 CFR 1910.1200
Tank Industry Consultants
34
Disinfection
Tank Industry Consultants
35
Disinfection
Tank Industry Consultants
36
Exterior Ladders
Tank Industry Consultants
37
Condition of Interior Ladders
Tank Industry Consultants
38
Working at Heights
Tank Industry Consultants
39
Physical Hazards
IlluminationHeat StressCold StressMaterial Hoisting and Lifting ProcedureHandling Air Cylinders
Tank Industry Consultants
40
Decompression/Time and Air
Tank Industry Consultants
41
Over 100 Ft of Water Depth
Decompression Chamber On-SiteTank Industry Consultants
42
What to Know Prior to Hire
Are divers qualified to perform water tank and coating evaluations?
Are divers properly certified? Verify divers’ training records. Review copies of Company and Personal Dive Logs. Do divers have current CPR/1st Aid/O2 administration
training? Do divers’ have current Accident Management
Training? Review examples of previous site-specific dive plans
available.
Tank Industry Consultants
43
Facilitating a Safer Dive
Provide Keys to All of the Roof ManholesKeep Water Levels High Isolate the Tank Early Let Inspectors Know if the Tank Has an Interior
Ladder
Tank Industry Consultants
44
Dive Safety ChecklistOSHA
Up-to-Date Company & Diver Dive Logs CPR/First-Aid & Oxygen Administration Training 4-Member Dive Team Comply with OSHA Hazard Communication Requirements Lockout & Tag All Valves Previous Dive Plans Commercial Diver Certification Sufficient Equipment to Suit-Up 3 Divers Comply with OSHA Confined Space Compliance with New OSHA Subpart D – Walking Surfaces
(effective January 17, 2017)
Tank Industry ConsultantsTank Industry Consultants
45
AdditionalRecommendations
Extensive Experience in Water Tank Engineering & Inspection
Diver is Employee of Registered Professional Engineer
Tank Isolated System while Diver in Tank
Potential for 5-Member Dive Team
Tank Industry Consultants
46
Critical Components of SafeWater Tank Dive Inspection
Crew Size – Minimum of 4 Certified Divers Prior to Mobilization - Site-Specific
Emergency Plan Lock-Out/Tag-Out Procedure & Verification Qualifications & Tank Expertise
Tank Industry Consultants
47
Questions?
Tank Industry Consultants
49