GD incident on 2016-01-09 — NE

Operator
Metropolitan Utilities District
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$1,500
Incident datetime
2016-01-09 14:52
Report number
Location
NE, DOUGLAS
Narrative
On 01/09/16 at approximately 14:45 the gas service that provided natural gas to 422 south 11th street in omaha ne was damaged by a private boring contractor, north central services inc., as the contractor was installing fiber optics in and around the area of this service address. As a result of the damaged gas service there was an explosion and a fire at this location that resulted in a loss. Our investigation revealed that although the gas service had been properly located, north central services inc. Did not attempt to verify or pothole the exact depth/location of this gas service and other utilities that were located in the same area as the gas service. By not verifying or potholing the location and depth of the gas service north central service inc. Damaged the gas service and initiated the loss.
Detailed record list
Occurred At
2016-01-09 14:52:00
Year
2016
Report Received Date
2016-02-08 00:00:00
Iyear
2016.0
Report Number
20160010.0
Supplemental Number
16455.0
Report Type
Supplemental Final
Operator Id
Name
Metropolitan Utilities District
Operator Street Address
7350 World Communications Dr
Operator City Name
Omaha
Operator State Abbreviation
NE
Operator Postal Code
68122
Local Datetime
2016-01-09 14:45:00
Location Street Address
422 South 11th Street
Location City Name
Omaha
Location County Name
Douglas
Location State Abbreviation
NE
Location Postal Code
68102
Location Latitude
Location Longitude
Nrc Rpt Datetime
2016-01-09 17:00:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
50.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
Yes
Explode Ind
Yes
Num Pub Evacuated
100.0
Incident Identified Datetime
2016-01-09 14:52:00
On Site Datetime
2016-01-09 15:16:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Under Pavement
Depth Of Cover
42.0
Crossing
No
Pipe Facility Type
Municipally Owned
System Part Involved
Service
Installation Year
2009.0
Pipe Diameter
2.0
Pipe Specification
Astm D2513
Pipe Manufacturer
Performance
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Wt Plastic
0.229
Material Pe Pipe Code
2406
Release Type
Mechanical Puncture
Puncture Axial
2.0
Puncture Circum
1.0
Class Location Type
Class 3 Location
Est Cost Oper Paid
5000000.0
Est Cost Prop Damage
1500.0
Est Cost Emergency
6000.0
Est Cost Other
0.0
Est Cost Unintentional Release
127.0
Prpty
5007627.0
Commercial Affected
2.0
Industrial Affected
0.0
Residences Affected
18.0
Accident Psig
8.7
Normal Psig
8.7
Mop Psig
10.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Notification From Emergency Responder
Investigation Status
No, the facility was not monitored by a controller(s) at the time of the incident
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Excavation Damage
Cause Details
Excavation Damage By Third Party
Ex Party Type
Excavation Damage By Third Party
Prior Notification Ind
Yes
One Call System Ind
Yes
Notify Cga Dirt
No
Private Row Ind
Yes
Private Subtype
Private Business
Excavator Type
Contractor
Excavator Equipment
Boring
Work Performed
Telecommunications
One Call Notified Ind
Yes
One Call Ticket Num
160090027
Locator Type
Utility Owner
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
528.0
Root Cause Category
Excavation Issue
Root Cause Type
Improper Excavation Practice Not Listed Above
Preparer Name
M****** C*****
Preparer Title
Claims Representative And Investigator
Preparer Email
M**********@m******.com
Preparer Telephone
402-504-7165
Preparer Fax
402-504-5165
Authorizer Name
M****** C*****
Authorizer Title
Claims Representative And Investigator
Authorizer Telephone
402-504-7165
Authorizer Email
M**********@m******.com
Narrative
On 01/09/16 at approximately 14:45 the gas service that provided natural gas to 422 south 11th street in omaha ne was damaged by a private boring contractor, north central services inc., as the contractor was installing fiber optics in and around the area of this service address. As a result of the damaged gas service there was an explosion and a fire at this location that resulted in a loss. Our investigation revealed that although the gas service had been properly located, north central services inc. Did not attempt to verify or pothole the exact depth/location of this gas service and other utilities that were located in the same area as the gas service. By not verifying or potholing the location and depth of the gas service north central service inc. Damaged the gas service and initiated the loss.
Occurred At 2016-01-09 14:52:00
Year 2016
Report Received Date 2016-02-08 00:00:00
Iyear 2016.0
Report Number 20160010.0
Supplemental Number 16455.0
Report Type Supplemental Final
Operator Id 12390 PHMSA Enforcement
Name Metropolitan Utilities District
Operator Street Address 7350 World Communications Dr
Operator City Name Omaha
Operator State Abbreviation NE
Operator Postal Code 68122
Local Datetime 2016-01-09 14:45:00
Location Street Address 422 South 11th Street
Location City Name Omaha
Location County Name Douglas
Location State Abbreviation NE
Location Postal Code 68102
Location Latitude 41.255766 Google Maps OpenStreetMap
Location Longitude -95.930814 Google Maps OpenStreetMap
Nrc Rpt Datetime 2016-01-09 17:00:00
Nrc Rpt Num 1137694 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 50.0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind Yes
Explode Ind Yes
Num Pub Evacuated 100.0
Incident Identified Datetime 2016-01-09 14:52:00
On Site Datetime 2016-01-09 15:16:00
Federal No
Location Type Utility Right-Of-Way / Easement
Incident Area Type Underground
Incident Area Subtype Under Pavement
Depth Of Cover 42.0
Crossing No
Pipe Facility Type Municipally Owned
System Part Involved Service
Installation Year 2009.0
Pipe Diameter 2.0
Pipe Specification Astm D2513
Pipe Manufacturer Performance
Material Involved Plastic
Plastic Type Polyethylene (Pe)
Wt Plastic 0.229
Material Pe Pipe Code 2406
Release Type Mechanical Puncture
Puncture Axial 2.0
Puncture Circum 1.0
Class Location Type Class 3 Location
Est Cost Oper Paid 5000000.0
Est Cost Prop Damage 1500.0
Est Cost Emergency 6000.0
Est Cost Other 0.0
Est Cost Unintentional Release 127.0
Prpty 5007627.0
Commercial Affected 2.0
Industrial Affected 0.0
Residences Affected 18.0
Accident Psig 8.7
Normal Psig 8.7
Mop Psig 10.0
Accident Pressure Pressure Did Not Exceed Maop
Scada In Place Ind No
Accident Identifier Notification From Emergency Responder
Investigation Status No, the facility was not monitored by a controller(s) at the time of the incident
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Excavation Damage
Cause Details Excavation Damage By Third Party
Ex Party Type Excavation Damage By Third Party
Prior Notification Ind Yes
One Call System Ind Yes
Notify Cga Dirt No
Private Row Ind Yes
Private Subtype Private Business
Excavator Type Contractor
Excavator Equipment Boring
Work Performed Telecommunications
One Call Notified Ind Yes
One Call Ticket Num 160090027
Locator Type Utility Owner
Visible Marks Yes
Service Interruption Yes
Service Interruption Hours 528.0
Root Cause Category Excavation Issue
Root Cause Type Improper Excavation Practice Not Listed Above
Preparer Name M****** C*****
Preparer Title Claims Representative And Investigator
Preparer Email M**********@m******.com
Preparer Telephone 402-504-7165
Preparer Fax 402-504-5165
Authorizer Name M****** C*****
Authorizer Title Claims Representative And Investigator
Authorizer Telephone 402-504-7165
Authorizer Email M**********@m******.com
Narrative On 01/09/16 at approximately 14:45 the gas service that provided natural gas to 422 south 11th street in omaha ne was damaged by a private boring contractor, north central services inc., as the contractor was installing fiber optics in and around the area of this service address. As a result of the damaged gas service there was an explosion and a fire at this location that resulted in a loss. Our investigation revealed that although the gas service had been properly located, north central services inc. Did not attempt to verify or pothole the exact depth/location of this gas service and other utilities that were located in the same area as the gas service. By not verifying or potholing the location and depth of the gas service north central service inc. Damaged the gas service and initiated the loss.

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