Ronald Six Senior Utility Consultant Loss Control Division AEGIS Insurance Services, Inc. 201

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An E G I S. Related Electric Gas Insurance Services. . Utility Mutual Insurance Company(member owned)Formed in 1975 by 22 gas utilitiesElectric Utilities started joining in 1977490 individuals

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IOWA TSI Pipeline Safety Conference Incident Investigation & Other Safety Related Issues Ronald Six Senior Utility Consultant Loss Control Division AEGIS Insurance Services, Inc. 201/417-2487

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An E G I S A ssociated E lectric G as I nsurance S ervices

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AEGIS Background Information Utility Mutual Insurance Company (member claimed) Formed in 1975 by 22 gas utilities Electric Utilities started participating in 1977 490 individuals – 95% utilities and related vitality

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#682 #686 4" Plastic Main 45 PSI ASH ST Water Main Dead Cast Iron Gas Main

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Our fundamental occupation is not discovering & settling releases Our principle employment is open wellbeing

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Ignition Source Air (Oxygen) Gas Concentrations between 5.0% – 15.0% Gas/Air The Explosion Triangle

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The Ultimate Objective of the Investigation is to Determine: High request versus low request Type of blast Nature of blast Type of fuel/hazardous included Source of start Cause of blast Reason for the nearness of the fuel Responsibility

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Recommendations The motivation behind the examination must be to discover the cause – not simply to discover who is to blame and Take remedial activities

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#8 BRADY ST. #894 #902 2" Steel Gas Main 45 psi SLOCUM ROAD Excavation Sewer Manhole

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Tip Cards Designed to help First Responders in the means important to assess a circumstance Focus is on helping the First Responder in distinguishing a danger and the means important to make the territory safe i.e., MAKESAFE

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Tip Cards There are 5 distinctive "Tip Cards": Gas Explosion Outside Damage or "Dive In" Inside Gas Leak Investigation Outside Gas Leak Investigation (appeared) Carbon Monoxide Investigation

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Tip Cards/Visor Direct Link to request Tip Cards/Visor: email for more data.

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Atmospheric Ignition of Natural Gas Inside a Building There ought to be some proof of an overpressure: The rooftop establishing on the framework A divider smothered or bowed Possibly just some roof tiles lifted It all relies on upon: The measure of gas Point of start Type of structure

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Types of Natural Gas Explosions High Order Explosion - a fast weight ascend or high-constrain blast described by shattering impact of the restricting structure or compartment and long rocket remove i.e. tearing & destroying. (Explosion) Low Order Explosion - a moderate rate of weight rise or low compel blast portrayed by pushing or dislodging impact on the restricting structure and short rocket remove i.e. pushing & pushing. (More run of the mill of normal gas episodes)

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Dry Explosion – No Fire Note "pushing and pushing" impact 2 x 4's in place, not tore/destroyed as would happen in "high request" blast or from strong explosives, for example, explosive

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Dry Explosion – No Fire Foundation harmed, yet upper bit of house in place Overall auxiliary harm straightforwardly identified with building's outline Pressure wave takes easy way out

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Dry Explosion – No Fire Notice the auto on the privilege The building was totally lifted and arrived on the auto, yet dividers are in place Exemplifies the "pushing and pushing" impact regular to common gas blasts

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Fire after the blast; very little left; point by point examination still justified Reviewing floor arranges; recouping funneling Car in carport may show gas is conceivable quickening agent

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Be mindful of the pictures caught in your photographs Notice the old meter and range connector in the base left of the photo

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Determining When to Conduct An Incident Investigation Company approach General work on Reporting prerequisites to state/government organizations Some states require notice when harms surpass $5,000.00

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Incident Investigation Flow Chart Response Fact-Finding Analysis Recommendation

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Basic Equipment Needed to Conduct an Investigation Safety adapt, ID card Combustible gas marker Probe bar Hydrogen fire ionization unit Odorator/odorant testing gadget SLR camera & film (sort of camera to be resolved ahead of time i.e. advanced photography) Calibration test units Detailed investigative structures Trained work force to utilize the gear

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Additional Equipment for Conducting the Investigation Latex gloves Ruler/measuring Tape recorder Maps of territory Marking banners paint NFPA 921 guide Drawing apparatuses

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The Ultimate Objective of the Investigation is to Determine: High request versus low request Type of blast Nature of blast Type of fuel/hazardous included Source of start Cause of blast Reason for the nearness of the fuel Responsibility

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Supervisory Responsibility Review of moves made Initiate extra measures Establish contact with crisis reaction work force Establish gas spread Makesafe operations

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Fire Service Personnel The fundamental concentration of the fire division ought to secure the territory The gas organization's principle center ought to secure the gas The normal concentration of both ought to be Public Safety!

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Fire Department Relationships Understand that once the fire office is on the scene, they are in control It is vital to build up an association with them preceding a crisis AEGIS video programs "Normal Gas Recognizing and Avoiding the Hazards" Volumes I & II are intended to help with building up this relationship

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Initial Assessment Scene Has range been made safe? Do extra structures should be checked or emptied? Who is the contact for flame division? Gas organization manager in control? What has been done up to this point? Are extra work force as well as hardware required? Have the fitting individuals/offices been informed?

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Initial Assessment of Scene Have the encompassing homes been checked? Have the accessible openings been checked? Has bar testing been performed? Are pictures being taken of the episode scene/examination by gas organization faculty? Are gas organization workers wearing the fitting wellbeing gear? Has somebody been reached to play out an odorant test in the region?

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Initial Assessment of the Incident Scene Who will report the exercises of the examination? Is Form 11 (Pipeline Failure Investigation Report) being utilized as a guide in the examination? Does it create the impression that the utilization of outside specialists will be vital and who will tell them to be readied? Will a vapor test or weight test be required and is the correct gear to play out these errand on location or enroute?

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Personnel status Personnel preparing Communication Emergency arrange Coordination with flame benefit Availability of exceptional hardware System records Involvement of cases & lawful depts. Advertising - media reaction Emergency Response Pre-arranging Can Be Extremely Helpful

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Typical Evidential Documents Reports of approaching calls Service requests and reports "One call" records Repair requests and reports Employee preparing records Engineering records Leakage study records and reports Pressure testing records of line being referred to Maps and valve area records Employee/temporary worker capability Odorant tests and infusion records Instrument alignment records

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108 114 116 Water Meter Pit ASH STREET Sewer Manhole 6" GAS MAIN 45 PSI Electric Manhole 113 109 You are the first on the scene of a clear gas blast at #112 Ash Street. The fire office is battling the fire and there is an exceptionally solid smell of gas. What might you do? 112

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Time Is Critical Makesafe Actions to Consider Implement crisis arrange Call for extra help Notify police/fire divisions Evacuate premises Block off the territory Stop the stream of gas Eliminate start sources Vent region Remember Public Safety !

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After An Incident Actions to Consider Prevention of related episodes Calling for extra help Coordination of endeavors with common specialists Preliminary scan for gas by testing nearby structures, barhole testing accessible openings… utilize practical insight Record consequences of tests positive or negative Focus just on the quick zone of concern "It is not over until it's over… don't be a piece of history"

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After An Incident Other Actions to Consider After the region is secured Have a talented picture taker on the scene ASAP, photographic documentation Sniff tests, odorant tests, witness and archive Names and addresses of witnesses Verify gear adjustment/report Pressure testing - just when gifted workers and legitimate hardware are at the scene and just as per your gauges Develop an occasion course of events

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Incident (1996) Company Retention $1M A blast and terminate annihilated a manufactured home seriously blazing its inhabitants a man and his significant other. The spouse burned through 44 days in the doctor's facility experiencing 6 surgical medicines and his better half burned through 77 days and experienced 12 surgeries.

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Incident (1996) Company Retention $1M Cont'd. The reason for the hole was ascribed to normal gas spilling from an open fuel line beneath the manufactured home. The open fuel line was the work of a handyman employed to move the gas line. Not being "suitable"  having adequate resources or protection scope  he was not named as a respondent for the situation. That left the neighborhood gas organization as the sole respondent with the offended party just affirming that the gas was despicably odorized (no promptly distinguishable smell).

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Incident (1996) Cont'd. Organization Retention $1M Cont'd. Since the gas organization performed and archived a scent level test promptly after the episode, which showed that the gas was promptly noticeable at