The Facts about Water Tank Diving Evaluations€¦ · The Facts about Water Tank Diving Evaluations...

The Facts about Water Tank Diving Evaluations

Jennifer Coon, CSP, CHMM, CETSafety Director

Tank Industry Consultants

OSHA Regulation

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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

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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

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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

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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

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Qualifications – Know Water Tanks?

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Selecting a Storage Tank Engineer/Inspector

AWWA M42 Registered Professional Engineer with

♦extensive experience in water storage tank engineering and inspection

♦experienced personnel

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Selecting a Storage Tank Engineer/Inspector

Extensive knowledge of ♦industry standards♦traditional engineering disciplines♦specialized training♦tank construction practices♦surface cleaning and cleanliness standards

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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

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Ask Prospective Consultants…

Number of Years Inspecting Tanks Registered Professional Engineer on Staff? Water Industry Involvement Number of Tanks Inspected Annually

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OSHA RequiresVerification of Competency

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Qualifications Diver Properly Certified?

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QualificationsCompany and Personal Training Records

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QualificationsCompany & Personal Dive Logs

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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

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QualificationsAccident Management Training

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QualificationsCPR/1st-Aid/O2

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QualificationsDive Plans

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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

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High-Risk Activities

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Crew Roles and Responsibilities

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Team Size

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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

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Required Equipment

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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

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Emergency Planning

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Nearest Hospital and Monoplace Hyperbaric Chamber

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Safety Data Sheet (SDS)

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Additional Hazards to Address in Dive Plan

Permit-Required Confined Space Lockout-TagoutDisinfection LaddersWalking/Working Surfaces Physical Hazards

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Permit-Required Confined Space

Written program Employee trainingDesignated crew roles/responsibilities Emergency response PermitsContinuous air monitoring

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Logout/Tagout

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Logout/Tagout

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Disinfection

Applicable standards:♦AWWA C652 ♦OSHA Hazard Communication 29 CFR 1910.1200

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Disinfection

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Disinfection

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Exterior Ladders

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Condition of Interior Ladders

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Working at Heights

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Physical Hazards

IlluminationHeat StressCold StressMaterial Hoisting and Lifting ProcedureHandling Air Cylinders

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Decompression/Time and Air

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Over 100 Ft of Water Depth

Decompression Chamber On-SiteTank Industry Consultants

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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.

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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

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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)

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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

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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

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Dive Evaluation Sample RFQ

Available

Snodgrass@TankIndustry.comwww.TankIndustry.com

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Questions?

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