Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2018-09-06 — NE
Operator
Northern Natural Gas Co
Cause
Equipment Failure
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$300
Incident datetime
2018-09-06 05:30
Report number
Location
NE
Narrative
On september 6, 2018 at 0657 - operations at beatrice reported blowing gas at the beatrice station. Operations discovered a broken valve nipple on the 1-inch diameter m590 c to d discharge line. The line connects the 24-inch diameter manifold to the 590c mainline. The segment was isolated and nipple, valve and plug were installed at 0930 on september 6, 2018. Fisher valve stated the noise and vibration exceeded the recommended levels on the control valve at the cross-over. Fisher valve will make recommendations to rectify the problem.
Detailed record list
Report Received Date
2018-09-17 00:00:00
Iyear
2018
Report Number
20180094
Supplemental Number
31814
Report Type
Supplemental Final
Operator Id
13750
Name
Northern Natural Gas Co
Operator Street Address
1111 South 103rd Street
Operator City Name
Omaha
Operator State Abbreviation
NE
Operator Postal Code
68124
Local Datetime
2018-09-06 05:30:00
Location Latitude
40.2205
Location Longitude
-96.7408
Nrc Rpt Num
1223813
Nrc Rpt Datetime
2018-09-06 13:05:00
Commodity Released Type
Natural Gas
Unintentional Release
3685
Intentional Release
0
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
No
Shutdown Explain
Pressure Reduced Between Two Cross-Over Valves
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2018-09-06 05:30:00
On Site Datetime
2018-09-06 06:00:00
On Off Shore
Onshore
Onshore State Abbreviation
Ne
Onshore Postal Code
68310
Onshore City Name
Not Within A Municipality
Onshore County Name
Gage Count
Designated Location
Survey Station No.
Designated Name
Beatrice
Pipe Fac Name
Beatrice Station
Segment Name
179m590d
Federal
No
Location Type
Operator-Controlled Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Interstate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Other
Item Involved Details
1-Inch Nipple Broke From A Cross-Over Lo
Installation Year
Unknown
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
1-Inch Nipple To A Cross-Over Valve With Regulator Broke. The Cross-Over Valve Is Between Two Pipelines. The Regulator Remained Functional.
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
607
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
8055
Est Cost Intentional Release
0
Est Cost Prop Damage
300
Est Cost Emergency
2500
Est Cost Other
0
Prpty
10855
Accident Psig
800
Mop Psig
860
Mop Cfr Section
192.619(A)(1)
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Internal Inspection Ind
No
Tight Mitered Ind
Yes
Operation Complications Ind
Yes
Other Complications Ind
Yes
Inspect Comp Details
Cross-0ver Section
Pipeline Function
Transmission System
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 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
Equipment Failure
Cause Details
Other Equipment Failure
Eq Failure Type
Other Equipment Failure
Eq Failure Details
1-Inch Nipple Broke Between Cross-Over Valves With Regulator On Cross-Over.
Additional Vibration Ind
Yes
Preparer Name
K** A*******
Preparer Title
Senior Internal Corrosion Engineer
Preparer Email
K***********@n****.com
Preparer Telephone
402-398-7617
Authorizer Name
K** A*******
Authorizer Title
Senior Internal Corrosion Engineer
Authorizer Telephone
402-398-7617
Authorizer Email
K************@n****.com
Narrative
On september 6, 2018 at 0657 - operations at beatrice reported blowing gas at the beatrice station. Operations discovered a broken valve nipple on the 1-inch diameter m590 c to d discharge line. The line connects the 24-inch diameter manifold to the 590c mainline. The segment was isolated and nipple, valve and plug were installed at 0930 on september 6, 2018. Fisher valve stated the noise and vibration exceeded the recommended levels on the control valve at the cross-over. Fisher valve will make recommendations to rectify the problem.
| Report Received Date | 2018-09-17 00:00:00 |
|---|---|
| Iyear | 2018 |
| Report Number | 20180094 |
| Supplemental Number | 31814 |
| Report Type | Supplemental Final |
| Operator Id | 13750 PHMSA Enforcement |
| Name | Northern Natural Gas Co |
| Operator Street Address | 1111 South 103rd Street |
| Operator City Name | Omaha |
| Operator State Abbreviation | NE |
| Operator Postal Code | 68124 |
| Local Datetime | 2018-09-06 05:30:00 |
| Location Latitude | 40.2205 Google Maps OpenStreetMap |
| Location Longitude | -96.7408 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1223813 NRC Report How to search |
| Nrc Rpt Datetime | 2018-09-06 13:05:00 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 3685 |
| Intentional Release | 0 |
| Accompanying Liquid | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | Pressure Reduced Between Two Cross-Over Valves |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Incident Identified Datetime | 2018-09-06 05:30:00 |
| On Site Datetime | 2018-09-06 06:00:00 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | Ne |
| Onshore Postal Code | 68310 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Gage Count |
| Designated Location | Survey Station No. |
| Designated Name | Beatrice |
| Pipe Fac Name | Beatrice Station |
| Segment Name | 179m590d |
| Federal | No |
| Location Type | Operator-Controlled Property |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Typical Aboveground Facility Piping Or Appurtenance |
| Crossing | No |
| Pipe Facility Type | Interstate |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| Item Involved | Other |
| Item Involved Details | 1-Inch Nipple Broke From A Cross-Over Lo |
| Installation Year | Unknown |
| Material Involved | Carbon Steel |
| Release Type | Other |
| Release Type Details | 1-Inch Nipple To A Cross-Over Valve With Regulator Broke. The Cross-Over Valve Is Between Two Pipelines. The Regulator Remained Functional. |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 607 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Hca Fatalities Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 8055 |
| Est Cost Intentional Release | 0 |
| Est Cost Prop Damage | 300 |
| Est Cost Emergency | 2500 |
| Est Cost Other | 0 |
| Prpty | 10855 |
| Accident Psig | 800 |
| Mop Psig | 860 |
| Mop Cfr Section | 192.619(A)(1) View CFR 49 §192 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Pressure Restriction Ind | No |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Manual |
| Internal Inspection Ind | No |
| Tight Mitered Ind | Yes |
| Operation Complications Ind | Yes |
| Other Complications Ind | Yes |
| Inspect Comp Details | Cross-0ver Section |
| Pipeline Function | Transmission System |
| 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 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 | Equipment Failure |
| Cause Details | Other Equipment Failure |
| Eq Failure Type | Other Equipment Failure |
| Eq Failure Details | 1-Inch Nipple Broke Between Cross-Over Valves With Regulator On Cross-Over. |
| Additional Vibration Ind | Yes |
| Preparer Name | K** A******* |
| Preparer Title | Senior Internal Corrosion Engineer |
| Preparer Email | K***********@n****.com |
| Preparer Telephone | 402-398-7617 |
| Authorizer Name | K** A******* |
| Authorizer Title | Senior Internal Corrosion Engineer |
| Authorizer Telephone | 402-398-7617 |
| Authorizer Email | K************@n****.com |
| Narrative | On september 6, 2018 at 0657 - operations at beatrice reported blowing gas at the beatrice station. Operations discovered a broken valve nipple on the 1-inch diameter m590 c to d discharge line. The line connects the 24-inch diameter manifold to the 590c mainline. The segment was isolated and nipple, valve and plug were installed at 0930 on september 6, 2018. Fisher valve stated the noise and vibration exceeded the recommended levels on the control valve at the cross-over. Fisher valve will make recommendations to rectify the problem. |
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