GD incident on 2015-12-14 — MO

Operator
Laclede Gas Co
Cause
Pipe, Weld, Or Joint Failure
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$20,000
Incident datetime
2015-12-14 06:30
Report number
Location
MO, SAINT LOUIS
Narrative
A butt fusion joint on a 3 inch pe plastic main failed resulting in a leak. The natural gas migrated into a nearby residential basement and ignited. The leak was located under a tree which was determined to be placing stress on the pipe and was a contributing factor to the joint failure. The main was permanently repaired.
Detailed record list
Occurred At
2015-12-14 06:30:00
Year
2015
Report Received Date
2016-01-13 00:00:00
Iyear
2015.0
Report Number
20160002.0
Supplemental Number
16221.0
Report Type
Original Final
Operator Id
Name
Laclede Gas Co
Operator Street Address
700 Market Street
Operator City Name
Saint Louis
Operator State Abbreviation
MO
Operator Postal Code
63101
Local Datetime
2015-12-14 06:26:00
Location Street Address
5730 Mango Drive
Location City Name
Mehlville
Location County Name
Saint Louis
Location State Abbreviation
MO
Location Postal Code
63129
Location Latitude
Location Longitude
Nrc Rpt Datetime
2015-12-14 10:16:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
251.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
Yes
Explode Ind
Yes
Num Pub Evacuated
2.0
Incident Identified Datetime
2015-12-14 06:30:00
On Site Datetime
2015-12-14 06:58:00
Federal
No
Location Type
Operator-Controlled Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
50.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1978.0
Pipe Diameter
3.0
Pipe Specification
Astm D2513
Pipe Manufacturer
Unknown
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Wt Plastic
0.304
Material Pe Pipe Code
2406
Release Type
Leak
Leak Type
Connection Failure
Class Location Type
Class 3 Location
Est Cost Oper Paid
300000.0
Est Cost Prop Damage
20000.0
Est Cost Emergency
500.0
Est Cost Other
0.0
Est Cost Unintentional Release
1319.0
Prpty
321819.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
0.0
Accident Psig
18.0
Normal Psig
18.0
Mop Psig
60.0
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
Notification From Emergency Responder
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 maop was not exceeded.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Pipe, Weld, Or Joint Failure
Cause Details
Fusion Joint
Pwjf Failure Type
Fusion Joint
Plastic Joint Subtype
Butt, Heat Fusion
Fpw Installed Year
1978
Fpw First Plastic Type
Polyethylene (Pe)
Fpw Second Plastic Type
Polyethylene (Pe)
Additional Lack Fusion Ind
Yes
Additional Other Ind
Yes
Additional Factor Details
Stress From Tree.
Result Construction Ind
Yes
Result Construction Subtype
Poor Workmanship
Hydrotest Conducted Ind
No
Preparer Name
M*** L*****
Preparer Title
Dir Of Health Safety Environmental And Crisis Mgmt
Preparer Email
M**********@t**************.com
Preparer Telephone
(314) 658-5413
Authorizer Name
C**** R* H********
Authorizer Title
Vice President Of Operations Services
Authorizer Telephone
(314) 349-2972
Authorizer Email
C**************@t**************.com
Narrative
A butt fusion joint on a 3 inch pe plastic main failed resulting in a leak. The natural gas migrated into a nearby residential basement and ignited. The leak was located under a tree which was determined to be placing stress on the pipe and was a contributing factor to the joint failure. The main was permanently repaired.
Occurred At 2015-12-14 06:30:00
Year 2015
Report Received Date 2016-01-13 00:00:00
Iyear 2015.0
Report Number 20160002.0
Supplemental Number 16221.0
Report Type Original Final
Operator Id 11032 PHMSA Enforcement
Name Laclede Gas Co
Operator Street Address 700 Market Street
Operator City Name Saint Louis
Operator State Abbreviation MO
Operator Postal Code 63101
Local Datetime 2015-12-14 06:26:00
Location Street Address 5730 Mango Drive
Location City Name Mehlville
Location County Name Saint Louis
Location State Abbreviation MO
Location Postal Code 63129
Location Latitude 38.469277 Google Maps OpenStreetMap
Location Longitude -90.348257 Google Maps OpenStreetMap
Nrc Rpt Datetime 2015-12-14 10:16:00
Nrc Rpt Num 1135749 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 251.0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind Yes
Explode Ind Yes
Num Pub Evacuated 2.0
Incident Identified Datetime 2015-12-14 06:30:00
On Site Datetime 2015-12-14 06:58:00
Federal No
Location Type Operator-Controlled Property
Incident Area Type Underground
Incident Area Subtype Under Soil
Depth Of Cover 50.0
Crossing No
Pipe Facility Type Privately Owned
System Part Involved Main
Installation Year 1978.0
Pipe Diameter 3.0
Pipe Specification Astm D2513
Pipe Manufacturer Unknown
Material Involved Plastic
Plastic Type Polyethylene (Pe)
Wt Plastic 0.304
Material Pe Pipe Code 2406
Release Type Leak
Leak Type Connection Failure
Class Location Type Class 3 Location
Est Cost Oper Paid 300000.0
Est Cost Prop Damage 20000.0
Est Cost Emergency 500.0
Est Cost Other 0.0
Est Cost Unintentional Release 1319.0
Prpty 321819.0
Commercial Affected 0.0
Industrial Affected 0.0
Residences Affected 0.0
Accident Psig 18.0
Normal Psig 18.0
Mop Psig 60.0
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 Notification From Emergency Responder
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 maop was not exceeded.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Pipe, Weld, Or Joint Failure
Cause Details Fusion Joint
Pwjf Failure Type Fusion Joint
Plastic Joint Subtype Butt, Heat Fusion
Fpw Installed Year 1978
Fpw First Plastic Type Polyethylene (Pe)
Fpw Second Plastic Type Polyethylene (Pe)
Additional Lack Fusion Ind Yes
Additional Other Ind Yes
Additional Factor Details Stress From Tree.
Result Construction Ind Yes
Result Construction Subtype Poor Workmanship
Hydrotest Conducted Ind No
Preparer Name M*** L*****
Preparer Title Dir Of Health Safety Environmental And Crisis Mgmt
Preparer Email M**********@t**************.com
Preparer Telephone (314) 658-5413
Authorizer Name C**** R* H********
Authorizer Title Vice President Of Operations Services
Authorizer Telephone (314) 349-2972
Authorizer Email C**************@t**************.com
Narrative A butt fusion joint on a 3 inch pe plastic main failed resulting in a leak. The natural gas migrated into a nearby residential basement and ignited. The leak was located under a tree which was determined to be placing stress on the pipe and was a contributing factor to the joint failure. The main was permanently repaired.

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