Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2014-11-25 — TN
Operator
Memphis Light Gas & Water Division
Cause
Incorrect Operation
Commodity
Natural Gas
Program
GD
Damage and Injuries
1 fatality
2 injuries
Property damage (nominal)
$9,000
Incident datetime
2014-11-25 10:35
Report number
Location
TN, SHELBY
Narrative
11/21/2014 4:28 pm customer calls in gas leak due to odor outside 4:29 pm employee a002244 in call center receives and creates a leak maintenance 4:31 pm gas leak call was dispatched to customer service tech 65252 4:36 pm customer service tech 65252 en-route 4:53 pm on site and evaluates the leak, gives grade 1 leak maintenance for repairs to be made by distribution 6:05 pm gas distribution receives grade 1 leak maintenance work request, give to crew 6370 6:50 pm gas dist. Arrives and makes temporary repair by placing a bolt on fitting over a leaking pe butt fuse and makes a note that the job is incomplete, 6370 10:45 pm crew 6370 departed 11/24/2014 supervisor stated crew was on site at winter park to prep/enlarge excavation for planned outage (permanent repair) on 11/25,. Access to clearance order 6894 was given. 11/25/2014 8:00 am crew 3710 continued work request to make permanent repairs at 4624 winter park 9:24 am the clearance order 6894 was activated to close valves and squeeze off main to replace leaking inline tees. Narrative of maintenance events: customers to be affected by the maintenance were turned off. Valve was closed and squeeze off tool was installed. Evidence indicates a three (3) foot section with two inline tees were cut from main and removed from excavation. Evidence also indicates that new inline tees were eletrofused above ground. Employee statements indicate, prior to installing new tees, an employee was opening the squeeze off tool and rotating its position on the pipe when an ignition occurred. Statements indicate that 2 employees were in the excavation at the time of ignition and 3 were in close vacinity of the excavation. 10:35 am crew 3710 crew leader radios into the control room and tell dispatch he needs the ambulance, he has got two people down and burned 11:45am crews 3890 & 3810 received and activated clearence order #6898 to make the permanent repairs after all previous crew members had been transported to the hospital. 11:49 am crews 3890 & 3910 request for customer service tech to come and lock off gas meters to 22 homes in a gas fire has caused for a 2inch main to be valved off. 5:25 pm both crews had completed the maintenance operated valves to open position, and requested customer service for relights.
Detailed record list
Occurred At
2014-11-25 10:35:00
Year
2014
Report Received Date
2014-12-18 00:00:00
Iyear
2014.0
Report Number
20140116.0
Supplemental Number
16738.0
Report Type
Supplemental
Operator Id
12342
Name
Memphis Light Gas & Water Division
Operator Street Address
P.o. Box 430
Operator City Name
Memphis
Operator State Abbreviation
TN
Operator Postal Code
38101
Local Datetime
2014-11-25 10:35:00
Location Street Address
4624 Winter Park
Location City Name
Memphis
Location County Name
Shelby
Location State Abbreviation
TN
Location Postal Code
38141
Location Latitude
35.02201
Location Longitude
-89.84539
Nrc Rpt Datetime
2014-11-25 12:10:00
Nrc Rpt Num
1101962
Commodity Released Type
Natural Gas
Unintentional Release
60.0
Fatality Ind
Yes
Num Emp Fatalities
1
Num Contr Fatalities
0
Num Er Fatalities
0
Num Worker Fatalities
0
Num Gp Fatalities
0
Fatal
1
Injury Ind
Yes
Num Emp Injuries
2
Num Contr Injuries
0
Num Er Injuries
0
Num Worker Injuries
0
Num Gp Injuries
0
Injure
2
Ignite Ind
Yes
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2014-11-25 10:35:00
On Site Datetime
2014-11-25 10:50:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
48.0
Crossing
Yes
Road Crossing Ind
Yes
Road Type
Uncased
Pipe Facility Type
Municipally Owned
System Part Involved
Main
Installation Year
1983.0
Pipe Diameter
2.375
Pipe Specification
Astm D2513
Pipe Manufacturer
Phillips
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11
Material Pe Pipe Code
3408
Release Type
Other
Release Type Details
Employee Released Gas Through A Squeeze Off Tool.
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
9000.0
Est Cost Emergency
4000.0
Est Cost Other
0.0
Est Cost Unintentional Release
118.0
Prpty
13118.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
22.0
Accident Psig
90.0
Normal Psig
90.0
Mop Psig
99.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
No
Scada Conf Ind
No
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Investigation Status
No, the operator did not find that an investigation of the controller(s) actions or control room issues was necessary due to: (provide an explanation for why the operator did not investigate)
Investigation Status Details
The incident did not happen at or near a pressure regulator station, which is where is where our scada monitoring is located. The release of gas was not great enought ot affect our scada.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Incorrect Operation
Cause Details
Other Incorrect Operation
Operation Type
Other Incorrect Operation
Operation Details
Employees Failed To Follow Proceedures By Not Taking Appropiate Steps To Minimize The Escape Of Gas To Prevent Personnel From A Potiental Hazard.
Related Failure Follow Ind
Yes
Category Type
Routine Maintenance
Operator Qualification Ind
Yes
Qualified Individuals
Yes, They Were Qualified For The Task(S)
Preparer Name
C****** P*******
Preparer Title
Lead Gas System Integrity Engineer
Preparer Email
C********@m***.org
Preparer Telephone
901.320.1061
Authorizer Name
V***** L D***** J*
Authorizer Title
Manager Gas Engineering And Operations
Authorizer Telephone
901.320.1401
Authorizer Email
V******@m***.org
Narrative
11/21/2014 4:28 pm customer calls in gas leak due to odor outside 4:29 pm employee a002244 in call center receives and creates a leak maintenance 4:31 pm gas leak call was dispatched to customer service tech 65252 4:36 pm customer service tech 65252 en-route 4:53 pm on site and evaluates the leak, gives grade 1 leak maintenance for repairs to be made by distribution 6:05 pm gas distribution receives grade 1 leak maintenance work request, give to crew 6370 6:50 pm gas dist. Arrives and makes temporary repair by placing a bolt on fitting over a leaking pe butt fuse and makes a note that the job is incomplete, 6370 10:45 pm crew 6370 departed 11/24/2014 supervisor stated crew was on site at winter park to prep/enlarge excavation for planned outage (permanent repair) on 11/25,. Access to clearance order 6894 was given. 11/25/2014 8:00 am crew 3710 continued work request to make permanent repairs at 4624 winter park 9:24 am the clearance order 6894 was activated to close valves and squeeze off main to replace leaking inline tees. Narrative of maintenance events: customers to be affected by the maintenance were turned off. Valve was closed and squeeze off tool was installed. Evidence indicates a three (3) foot section with two inline tees were cut from main and removed from excavation. Evidence also indicates that new inline tees were eletrofused above ground. Employee statements indicate, prior to installing new tees, an employee was opening the squeeze off tool and rotating its position on the pipe when an ignition occurred. Statements indicate that 2 employees were in the excavation at the time of ignition and 3 were in close vacinity of the excavation. 10:35 am crew 3710 crew leader radios into the control room and tell dispatch he needs the ambulance, he has got two people down and burned 11:45am crews 3890 & 3810 received and activated clearence order #6898 to make the permanent repairs after all previous crew members had been transported to the hospital. 11:49 am crews 3890 & 3910 request for customer service tech to come and lock off gas meters to 22 homes in a gas fire has caused for a 2inch main to be valved off. 5:25 pm both crews had completed the maintenance operated valves to open position, and requested customer service for relights.
| Occurred At | 2014-11-25 10:35:00 |
|---|---|
| Year | 2014 |
| Report Received Date | 2014-12-18 00:00:00 |
| Iyear | 2014.0 |
| Report Number | 20140116.0 |
| Supplemental Number | 16738.0 |
| Report Type | Supplemental |
| Operator Id | 12342 PHMSA Enforcement |
| Name | Memphis Light Gas & Water Division |
| Operator Street Address | P.o. Box 430 |
| Operator City Name | Memphis |
| Operator State Abbreviation | TN |
| Operator Postal Code | 38101 |
| Local Datetime | 2014-11-25 10:35:00 |
| Location Street Address | 4624 Winter Park |
| Location City Name | Memphis |
| Location County Name | Shelby |
| Location State Abbreviation | TN |
| Location Postal Code | 38141 |
| Location Latitude | 35.02201 Google Maps OpenStreetMap |
| Location Longitude | -89.84539 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2014-11-25 12:10:00 |
| Nrc Rpt Num | 1101962 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 60.0 |
| Fatality Ind | Yes |
| Num Emp Fatalities | 1 |
| Num Contr Fatalities | 0 |
| Num Er Fatalities | 0 |
| Num Worker Fatalities | 0 |
| Num Gp Fatalities | 0 |
| Fatal | 1 |
| Injury Ind | Yes |
| Num Emp Injuries | 2 |
| Num Contr Injuries | 0 |
| Num Er Injuries | 0 |
| Num Worker Injuries | 0 |
| Num Gp Injuries | 0 |
| Injure | 2 |
| Ignite Ind | Yes |
| Explode Ind | No |
| Num Pub Evacuated | 0.0 |
| Incident Identified Datetime | 2014-11-25 10:35:00 |
| On Site Datetime | 2014-11-25 10:50:00 |
| Federal | No |
| Location Type | Public Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Depth Of Cover | 48.0 |
| Crossing | Yes |
| Road Crossing Ind | Yes |
| Road Type | Uncased |
| Pipe Facility Type | Municipally Owned |
| System Part Involved | Main |
| Installation Year | 1983.0 |
| Pipe Diameter | 2.375 |
| Pipe Specification | Astm D2513 |
| Pipe Manufacturer | Phillips |
| Material Involved | Plastic |
| Plastic Type | Polyethylene (Pe) |
| Plastic Sdr | 11 |
| Material Pe Pipe Code | 3408 |
| Release Type | Other |
| Release Type Details | Employee Released Gas Through A Squeeze Off Tool. |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 9000.0 |
| Est Cost Emergency | 4000.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 118.0 |
| Prpty | 13118.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 22.0 |
| Accident Psig | 90.0 |
| Normal Psig | 90.0 |
| Mop Psig | 99.0 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Scada In Place Ind | Yes |
| Scada Operating Ind | Yes |
| Scada Functional Ind | Yes |
| Scada Detection Ind | No |
| Scada Conf Ind | No |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| Investigation Status | No, the operator did not find that an investigation of the controller(s) actions or control room issues was necessary due to: (provide an explanation for why the operator did not investigate) |
| Investigation Status Details | The incident did not happen at or near a pressure regulator station, which is where is where our scada monitoring is located. The release of gas was not great enought ot affect our scada. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Incorrect Operation |
| Cause Details | Other Incorrect Operation |
| Operation Type | Other Incorrect Operation |
| Operation Details | Employees Failed To Follow Proceedures By Not Taking Appropiate Steps To Minimize The Escape Of Gas To Prevent Personnel From A Potiental Hazard. |
| Related Failure Follow Ind | Yes |
| Category Type | Routine Maintenance |
| Operator Qualification Ind | Yes |
| Qualified Individuals | Yes, They Were Qualified For The Task(S) |
| Preparer Name | C****** P******* |
| Preparer Title | Lead Gas System Integrity Engineer |
| Preparer Email | C********@m***.org |
| Preparer Telephone | 901.320.1061 |
| Authorizer Name | V***** L D***** J* |
| Authorizer Title | Manager Gas Engineering And Operations |
| Authorizer Telephone | 901.320.1401 |
| Authorizer Email | V******@m***.org |
| Narrative | 11/21/2014 4:28 pm customer calls in gas leak due to odor outside 4:29 pm employee a002244 in call center receives and creates a leak maintenance 4:31 pm gas leak call was dispatched to customer service tech 65252 4:36 pm customer service tech 65252 en-route 4:53 pm on site and evaluates the leak, gives grade 1 leak maintenance for repairs to be made by distribution 6:05 pm gas distribution receives grade 1 leak maintenance work request, give to crew 6370 6:50 pm gas dist. Arrives and makes temporary repair by placing a bolt on fitting over a leaking pe butt fuse and makes a note that the job is incomplete, 6370 10:45 pm crew 6370 departed 11/24/2014 supervisor stated crew was on site at winter park to prep/enlarge excavation for planned outage (permanent repair) on 11/25,. Access to clearance order 6894 was given. 11/25/2014 8:00 am crew 3710 continued work request to make permanent repairs at 4624 winter park 9:24 am the clearance order 6894 was activated to close valves and squeeze off main to replace leaking inline tees. Narrative of maintenance events: customers to be affected by the maintenance were turned off. Valve was closed and squeeze off tool was installed. Evidence indicates a three (3) foot section with two inline tees were cut from main and removed from excavation. Evidence also indicates that new inline tees were eletrofused above ground. Employee statements indicate, prior to installing new tees, an employee was opening the squeeze off tool and rotating its position on the pipe when an ignition occurred. Statements indicate that 2 employees were in the excavation at the time of ignition and 3 were in close vacinity of the excavation. 10:35 am crew 3710 crew leader radios into the control room and tell dispatch he needs the ambulance, he has got two people down and burned 11:45am crews 3890 & 3810 received and activated clearence order #6898 to make the permanent repairs after all previous crew members had been transported to the hospital. 11:49 am crews 3890 & 3910 request for customer service tech to come and lock off gas meters to 22 homes in a gas fire has caused for a 2inch main to be valved off. 5:25 pm both crews had completed the maintenance operated valves to open position, and requested customer service for relights. |
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