GD incident on 2010-02-23 — MN

Operator
Centerpoint Energy Resources Corp., Dba Centerpoint Energy Minnesota Gas
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$13,734
Incident datetime
2010-02-23 12:35
Report number
Location
MN, HENNEPIN
Narrative
Gas traveled from a damaged 3" poly main to 5000 arden ave in edina minnesota where an explosion and fire occurred. A third party damaged the centerpoint energy main during a directional boring process to install telecommunications.
Detailed record list
Occurred At
2010-02-23 12:35:00
Year
2010
Report Received Date
2010-04-08 00:00:00
Iyear
2010.0
Report Number
20100017.0
Supplemental Number
15017.0
Report Type
Original Final
Operator Id
Name
Centerpoint Energy Resources Corp., Dba Centerpoint Energy Minnesota Gas
Operator Street Address
800 Lasalle Avenue
Operator City Name
Minneapolis
Operator State Abbreviation
MN
Operator Postal Code
55402
Local Datetime
2010-02-23 12:35:00
Location Street Address
West 50th & Arden Av
Location City Name
Edina
Location County Name
Hennepin
Location State Abbreviation
MN
Location Postal Code
55425
Location Latitude
Location Longitude
Nrc Rpt Datetime
2010-02-23 16:29:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
1395.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
Yes
Explode Ind
Yes
Num Pub Evacuated
60.0
Incident Identified Datetime
2010-02-23 12:35:00
On Site Datetime
2010-02-23 12:52:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Under Pavement
Depth Of Cover
48.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1986.0
Pipe Diameter
3.5
Pipe Specification
Astm02513
Pipe Manufacturer
Plexco
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11.5
Material Pe Pipe Code
2406
Release Type
Mechanical Puncture
Puncture Axial
6.0
Puncture Circum
7.3
Class Location Type
Class 3 Location
Est Cost Oper Paid
218900.0
Est Cost Prop Damage
13734.0
Est Cost Emergency
67658.0
Est Cost Other
25350.0
Est Cost Other Details
Oversight, Support, Regulatory Response
Est Cost Unintentional Release
8215.0
Prpty
333857.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
10.0
Accident Psig
7.0
Normal Psig
10.0
Mop Psig
15.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Notification From Third Party That Caused The Incident
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
Yes
Public Row Ind
Yes
Public Subtype
City Street
Excavator Type
Contractor
Excavator Equipment
Boring
Work Performed
Telecommunications
One Call Notified Ind
Yes
One Call Ticket Num
10001968
One Call Center Name
Not Applicable
Locator Type
Contract Locator
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
9.0
Root Cause Category
Excavation Issue
Root Cause Type
Improper Backfilling Practices
Preparer Name
K*** T****
Preparer Title
Damage Prevention Supervisor
Preparer Email
K*************@c****************.com
Preparer Telephone
6128618692
Preparer Fax
6128618565
Authorizer Name
K*** T****
Authorizer Title
Damage Prevention Supervisor
Authorizer Telephone
6128618692
Authorizer Email
K*************@c****************.com
Narrative
Gas traveled from a damaged 3" poly main to 5000 arden ave in edina minnesota where an explosion and fire occurred. A third party damaged the centerpoint energy main during a directional boring process to install telecommunications.
Occurred At 2010-02-23 12:35:00
Year 2010
Report Received Date 2010-04-08 00:00:00
Iyear 2010.0
Report Number 20100017.0
Supplemental Number 15017.0
Report Type Original Final
Operator Id 12350 PHMSA Enforcement
Name Centerpoint Energy Resources Corp., Dba Centerpoint Energy Minnesota Gas
Operator Street Address 800 Lasalle Avenue
Operator City Name Minneapolis
Operator State Abbreviation MN
Operator Postal Code 55402
Local Datetime 2010-02-23 12:35:00
Location Street Address West 50th & Arden Av
Location City Name Edina
Location County Name Hennepin
Location State Abbreviation MN
Location Postal Code 55425
Location Latitude 44.91285 Google Maps OpenStreetMap
Location Longitude -93.33624 Google Maps OpenStreetMap
Nrc Rpt Datetime 2010-02-23 16:29:00
Nrc Rpt Num 932124 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 1395.0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind Yes
Explode Ind Yes
Num Pub Evacuated 60.0
Incident Identified Datetime 2010-02-23 12:35:00
On Site Datetime 2010-02-23 12:52:00
Federal No
Location Type Utility Right-Of-Way / Easement
Incident Area Type Underground
Incident Area Subtype Under Pavement
Depth Of Cover 48.0
Crossing No
Pipe Facility Type Privately Owned
System Part Involved Main
Installation Year 1986.0
Pipe Diameter 3.5
Pipe Specification Astm02513
Pipe Manufacturer Plexco
Material Involved Plastic
Plastic Type Polyethylene (Pe)
Plastic Sdr 11.5
Material Pe Pipe Code 2406
Release Type Mechanical Puncture
Puncture Axial 6.0
Puncture Circum 7.3
Class Location Type Class 3 Location
Est Cost Oper Paid 218900.0
Est Cost Prop Damage 13734.0
Est Cost Emergency 67658.0
Est Cost Other 25350.0
Est Cost Other Details Oversight, Support, Regulatory Response
Est Cost Unintentional Release 8215.0
Prpty 333857.0
Commercial Affected 0.0
Industrial Affected 0.0
Residences Affected 10.0
Accident Psig 7.0
Normal Psig 10.0
Mop Psig 15.0
Accident Pressure Pressure Did Not Exceed Maop
Scada In Place Ind No
Accident Identifier Notification From Third Party That Caused The Incident
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 Yes
Public Row Ind Yes
Public Subtype City Street
Excavator Type Contractor
Excavator Equipment Boring
Work Performed Telecommunications
One Call Notified Ind Yes
One Call Ticket Num 10001968
One Call Center Name Not Applicable
Locator Type Contract Locator
Visible Marks Yes
Service Interruption Yes
Service Interruption Hours 9.0
Root Cause Category Excavation Issue
Root Cause Type Improper Backfilling Practices
Preparer Name K*** T****
Preparer Title Damage Prevention Supervisor
Preparer Email K*************@c****************.com
Preparer Telephone 6128618692
Preparer Fax 6128618565
Authorizer Name K*** T****
Authorizer Title Damage Prevention Supervisor
Authorizer Telephone 6128618692
Authorizer Email K*************@c****************.com
Narrative Gas traveled from a damaged 3" poly main to 5000 arden ave in edina minnesota where an explosion and fire occurred. A third party damaged the centerpoint energy main during a directional boring process to install telecommunications.

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