Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2019-02-14 — MN
Operator
Northern States Power Co Of Minnesota
Cause
Other Outside Force Damage
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$25,000
Incident datetime
2019-02-14 23:12
Report number
Location
MN, CLAY
Narrative
On february 14, 2019, a snow plow hit aboveground piping for a pressure recording chart at a regulator station that was installed in a vault. The impact damaged piping in the vault causing the regulator to fail which resulted in the activation of the relief valve. The maop of the system is 25 psig and the highest pressure observed was 30.5 psig. At approximately 12:00 on february 15, 2019 the system was shut-in by closing an emergency valve, causing an outage to 950 customers. Repairs were initialed at approximately 16:00 on february 15, 2019. Repairs were completed by 19:30, the system was started up and leak surveyed. Customer relights started at approximately 23:00 and continued until february 16, 2019 at 16:00. Additional leak surveys were conducted february 16 starting at 19:00. After the second survey no further leaks were discovered. On february 17, starting at 11:00, one more survey was conducted with no further leaks discovered.
Detailed record list
Occurred At
2019-02-14 23:12:00
Year
2019
Report Received Date
2019-03-16 00:00:00
Iyear
2019.0
Report Number
20190027.0
Supplemental Number
32336.0
Report Type
Supplemental Final
Operator Id
31636
Name
Northern States Power Co Of Minnesota
Operator Street Address
414 Nicollet Mall
Operator City Name
Minneapolis
Operator State Abbreviation
MN
Operator Postal Code
55402
Local Datetime
2019-02-14 23:21:00
Location Street Address
8 St S And 16 Ave S
Location City Name
Moorhead
Location County Name
Clay
Location State Abbreviation
MN
Location Postal Code
56560
Location Latitude
46.85863
Location Longitude
-96.76805
Nrc Rpt Datetime
2019-02-15 10:18:00
Nrc Rpt Num
1237757
Commodity Released Type
Natural Gas
Unintentional Release
3852.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2019-02-14 23:12:00
On Site Datetime
2019-02-14 23:40:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance (E.g. Value Or Regulator Station, Outdoor Meter Set)
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
District Regulator/metering Station
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Release Type
Leak
Leak Type
Connection Failure
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
25000.0
Est Cost Emergency
321158.0
Est Cost Other
0.0
Est Cost Unintentional Release
16615.0
Prpty
362773.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
950.0
Accident Psig
30.5
Normal Psig
25.0
Mop Psig
25.0
Accident Pressure
Pressure Exceeded The Applicable Allowance In 192.201
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
Other Outside Force Damage
Cause Details
Damage By Car, Truck, Or Other Motorized Vehicle/equipment Not Engaged In Excavation
Outside Force Type
Damage By Car, Truck, Or Other Motorized Vehicle/equipment Not Engaged In Excavation
Vehicle Subtype
Third Party
Preparer Name
L*** K*******
Preparer Title
Pipeline Compliance Consultant
Preparer Email
E*******************@x*********.com
Preparer Telephone
651-229-2282
Authorizer Name
L***** G********
Authorizer Title
Director Gas Governance
Authorizer Telephone
303-571-3255
Authorizer Email
L***************@x*********.com
Narrative
On february 14, 2019, a snow plow hit aboveground piping for a pressure recording chart at a regulator station that was installed in a vault. The impact damaged piping in the vault causing the regulator to fail which resulted in the activation of the relief valve. The maop of the system is 25 psig and the highest pressure observed was 30.5 psig. At approximately 12:00 on february 15, 2019 the system was shut-in by closing an emergency valve, causing an outage to 950 customers. Repairs were initialed at approximately 16:00 on february 15, 2019. Repairs were completed by 19:30, the system was started up and leak surveyed. Customer relights started at approximately 23:00 and continued until february 16, 2019 at 16:00. Additional leak surveys were conducted february 16 starting at 19:00. After the second survey no further leaks were discovered. On february 17, starting at 11:00, one more survey was conducted with no further leaks discovered.
| Occurred At | 2019-02-14 23:12:00 |
|---|---|
| Year | 2019 |
| Report Received Date | 2019-03-16 00:00:00 |
| Iyear | 2019.0 |
| Report Number | 20190027.0 |
| Supplemental Number | 32336.0 |
| Report Type | Supplemental Final |
| Operator Id | 31636 PHMSA Enforcement |
| Name | Northern States Power Co Of Minnesota |
| Operator Street Address | 414 Nicollet Mall |
| Operator City Name | Minneapolis |
| Operator State Abbreviation | MN |
| Operator Postal Code | 55402 |
| Local Datetime | 2019-02-14 23:21:00 |
| Location Street Address | 8 St S And 16 Ave S |
| Location City Name | Moorhead |
| Location County Name | Clay |
| Location State Abbreviation | MN |
| Location Postal Code | 56560 |
| Location Latitude | 46.85863 Google Maps OpenStreetMap |
| Location Longitude | -96.76805 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2019-02-15 10:18:00 |
| Nrc Rpt Num | 1237757 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 3852.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0.0 |
| Incident Identified Datetime | 2019-02-14 23:12:00 |
| On Site Datetime | 2019-02-14 23:40:00 |
| Federal | No |
| Location Type | Utility Right-Of-Way / Easement |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Typical Aboveground Facility Piping Or Appurtenance (E.g. Value Or Regulator Station, Outdoor Meter Set) |
| Crossing | No |
| Pipe Facility Type | Investor Owned |
| System Part Involved | District Regulator/metering Station |
| Material Involved | Steel |
| Steel Seam Type | Other |
| Steel Seam Type Details | Unknown |
| Release Type | Leak |
| Leak Type | Connection Failure |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 25000.0 |
| Est Cost Emergency | 321158.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 16615.0 |
| Prpty | 362773.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 950.0 |
| Accident Psig | 30.5 |
| Normal Psig | 25.0 |
| Mop Psig | 25.0 |
| Accident Pressure | Pressure Exceeded The Applicable Allowance In 192.201 |
| 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 | Other Outside Force Damage |
| Cause Details | Damage By Car, Truck, Or Other Motorized Vehicle/equipment Not Engaged In Excavation |
| Outside Force Type | Damage By Car, Truck, Or Other Motorized Vehicle/equipment Not Engaged In Excavation |
| Vehicle Subtype | Third Party |
| Preparer Name | L*** K******* |
| Preparer Title | Pipeline Compliance Consultant |
| Preparer Email | E*******************@x*********.com |
| Preparer Telephone | 651-229-2282 |
| Authorizer Name | L***** G******** |
| Authorizer Title | Director Gas Governance |
| Authorizer Telephone | 303-571-3255 |
| Authorizer Email | L***************@x*********.com |
| Narrative | On february 14, 2019, a snow plow hit aboveground piping for a pressure recording chart at a regulator station that was installed in a vault. The impact damaged piping in the vault causing the regulator to fail which resulted in the activation of the relief valve. The maop of the system is 25 psig and the highest pressure observed was 30.5 psig. At approximately 12:00 on february 15, 2019 the system was shut-in by closing an emergency valve, causing an outage to 950 customers. Repairs were initialed at approximately 16:00 on february 15, 2019. Repairs were completed by 19:30, the system was started up and leak surveyed. Customer relights started at approximately 23:00 and continued until february 16, 2019 at 16:00. Additional leak surveys were conducted february 16 starting at 19:00. After the second survey no further leaks were discovered. On february 17, starting at 11:00, one more survey was conducted with no further leaks discovered. |
External Resources
PHMSA pipeline safety insights.
Product
Features
Company
All rights reserved. Copyright © by ClearPHMSA